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 "vmwgfx_validation.h" 32 #include "vmwgfx_reg.h" 33 #include <drm/drmP.h> 34 #include <drm/vmwgfx_drm.h> 35 #include <drm/drm_hashtab.h> 36 #include <drm/drm_auth.h> 37 #include <linux/suspend.h> 38 #include <drm/ttm/ttm_bo_driver.h> 39 #include <drm/ttm/ttm_execbuf_util.h> 40 #include <drm/ttm/ttm_module.h> 41 #include "vmwgfx_fence.h" 42 #include "ttm_object.h" 43 #include "ttm_lock.h" 44 #include <linux/sync_file.h> 45 46 #define VMWGFX_DRIVER_NAME "vmwgfx" 47 #define VMWGFX_DRIVER_DATE "20180704" 48 #define VMWGFX_DRIVER_MAJOR 2 49 #define VMWGFX_DRIVER_MINOR 15 50 #define VMWGFX_DRIVER_PATCHLEVEL 0 51 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 52 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 53 #define VMWGFX_MAX_RELOCATIONS 2048 54 #define VMWGFX_MAX_VALIDATIONS 2048 55 #define VMWGFX_MAX_DISPLAYS 16 56 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 57 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 58 59 /* 60 * Perhaps we should have sysfs entries for these. 61 */ 62 #define VMWGFX_NUM_GB_CONTEXT 256 63 #define VMWGFX_NUM_GB_SHADER 20000 64 #define VMWGFX_NUM_GB_SURFACE 32768 65 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 66 #define VMWGFX_NUM_DXCONTEXT 256 67 #define VMWGFX_NUM_DXQUERY 512 68 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 69 VMWGFX_NUM_GB_SHADER +\ 70 VMWGFX_NUM_GB_SURFACE +\ 71 VMWGFX_NUM_GB_SCREEN_TARGET) 72 73 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 74 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 75 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 76 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 77 78 #define VMW_RES_CONTEXT ttm_driver_type0 79 #define VMW_RES_SURFACE ttm_driver_type1 80 #define VMW_RES_STREAM ttm_driver_type2 81 #define VMW_RES_FENCE ttm_driver_type3 82 #define VMW_RES_SHADER ttm_driver_type4 83 84 struct vmw_fpriv { 85 struct drm_master *locked_master; 86 struct ttm_object_file *tfile; 87 bool gb_aware; /* user-space is guest-backed aware */ 88 }; 89 90 struct vmw_buffer_object { 91 struct ttm_buffer_object base; 92 struct list_head res_list; 93 s32 pin_count; 94 /* Not ref-counted. Protected by binding_mutex */ 95 struct vmw_resource *dx_query_ctx; 96 /* Protected by reservation */ 97 struct ttm_bo_kmap_obj map; 98 }; 99 100 /** 101 * struct vmw_validate_buffer - Carries validation info about buffers. 102 * 103 * @base: Validation info for TTM. 104 * @hash: Hash entry for quick lookup of the TTM buffer object. 105 * 106 * This structure contains also driver private validation info 107 * on top of the info needed by TTM. 108 */ 109 struct vmw_validate_buffer { 110 struct ttm_validate_buffer base; 111 struct drm_hash_item hash; 112 bool validate_as_mob; 113 }; 114 115 struct vmw_res_func; 116 117 118 /** 119 * struct vmw-resource - base class for hardware resources 120 * 121 * @kref: For refcounting. 122 * @dev_priv: Pointer to the device private for this resource. Immutable. 123 * @id: Device id. Protected by @dev_priv::resource_lock. 124 * @backup_size: Backup buffer size. Immutable. 125 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 126 * by resource reserved. 127 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 128 * Protecte by resource reserved. 129 * @backup: The backup buffer if any. Protected by resource reserved. 130 * @backup_offset: Offset into the backup buffer if any. Protected by resource 131 * reserved. Note that only a few resource types can have a @backup_offset 132 * different from zero. 133 * @pin_count: The pin count for this resource. A pinned resource has a 134 * pin-count greater than zero. It is not on the resource LRU lists and its 135 * backup buffer is pinned. Hence it can't be evicted. 136 * @func: Method vtable for this resource. Immutable. 137 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 138 * @mob_head: List head for the MOB backup list. Protected by @backup reserved. 139 * @binding_head: List head for the context binding list. Protected by 140 * the @dev_priv::binding_mutex 141 * @res_free: The resource destructor. 142 * @hw_destroy: Callback to destroy the resource on the device, as part of 143 * resource destruction. 144 */ 145 struct vmw_resource { 146 struct kref kref; 147 struct vmw_private *dev_priv; 148 int id; 149 unsigned long backup_size; 150 bool res_dirty; 151 bool backup_dirty; 152 struct vmw_buffer_object *backup; 153 unsigned long backup_offset; 154 unsigned long pin_count; 155 const struct vmw_res_func *func; 156 struct list_head lru_head; 157 struct list_head mob_head; 158 struct list_head binding_head; 159 void (*res_free) (struct vmw_resource *res); 160 void (*hw_destroy) (struct vmw_resource *res); 161 }; 162 163 164 /* 165 * Resources that are managed using ioctls. 166 */ 167 enum vmw_res_type { 168 vmw_res_context, 169 vmw_res_surface, 170 vmw_res_stream, 171 vmw_res_shader, 172 vmw_res_dx_context, 173 vmw_res_cotable, 174 vmw_res_view, 175 vmw_res_max 176 }; 177 178 /* 179 * Resources that are managed using command streams. 180 */ 181 enum vmw_cmdbuf_res_type { 182 vmw_cmdbuf_res_shader, 183 vmw_cmdbuf_res_view 184 }; 185 186 struct vmw_cmdbuf_res_manager; 187 188 struct vmw_cursor_snooper { 189 size_t age; 190 uint32_t *image; 191 }; 192 193 struct vmw_framebuffer; 194 struct vmw_surface_offset; 195 196 struct vmw_surface { 197 struct vmw_resource res; 198 SVGA3dSurfaceAllFlags flags; 199 uint32_t format; 200 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 201 struct drm_vmw_size base_size; 202 struct drm_vmw_size *sizes; 203 uint32_t num_sizes; 204 bool scanout; 205 uint32_t array_size; 206 /* TODO so far just a extra pointer */ 207 struct vmw_cursor_snooper snooper; 208 struct vmw_surface_offset *offsets; 209 SVGA3dTextureFilter autogen_filter; 210 uint32_t multisample_count; 211 struct list_head view_list; 212 SVGA3dMSPattern multisample_pattern; 213 SVGA3dMSQualityLevel quality_level; 214 }; 215 216 struct vmw_marker_queue { 217 struct list_head head; 218 u64 lag; 219 u64 lag_time; 220 spinlock_t lock; 221 }; 222 223 struct vmw_fifo_state { 224 unsigned long reserved_size; 225 u32 *dynamic_buffer; 226 u32 *static_buffer; 227 unsigned long static_buffer_size; 228 bool using_bounce_buffer; 229 uint32_t capabilities; 230 struct mutex fifo_mutex; 231 struct rw_semaphore rwsem; 232 struct vmw_marker_queue marker_queue; 233 bool dx; 234 }; 235 236 /** 237 * struct vmw_res_cache_entry - resource information cache entry 238 * @handle: User-space handle of a resource. 239 * @res: Non-ref-counted pointer to the resource. 240 * @valid_handle: Whether the @handle member is valid. 241 * @valid: Whether the entry is valid, which also implies that the execbuf 242 * code holds a reference to the resource, and it's placed on the 243 * validation list. 244 * 245 * Used to avoid frequent repeated user-space handle lookups of the 246 * same resource. 247 */ 248 struct vmw_res_cache_entry { 249 uint32_t handle; 250 struct vmw_resource *res; 251 void *private; 252 unsigned short valid_handle; 253 unsigned short valid; 254 }; 255 256 /** 257 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 258 */ 259 enum vmw_dma_map_mode { 260 vmw_dma_phys, /* Use physical page addresses */ 261 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 262 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 263 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 264 vmw_dma_map_max 265 }; 266 267 /** 268 * struct vmw_sg_table - Scatter/gather table for binding, with additional 269 * device-specific information. 270 * 271 * @sgt: Pointer to a struct sg_table with binding information 272 * @num_regions: Number of regions with device-address contiguous pages 273 */ 274 struct vmw_sg_table { 275 enum vmw_dma_map_mode mode; 276 struct page **pages; 277 const dma_addr_t *addrs; 278 struct sg_table *sgt; 279 unsigned long num_regions; 280 unsigned long num_pages; 281 }; 282 283 /** 284 * struct vmw_piter - Page iterator that iterates over a list of pages 285 * and DMA addresses that could be either a scatter-gather list or 286 * arrays 287 * 288 * @pages: Array of page pointers to the pages. 289 * @addrs: DMA addresses to the pages if coherent pages are used. 290 * @iter: Scatter-gather page iterator. Current position in SG list. 291 * @i: Current position in arrays. 292 * @num_pages: Number of pages total. 293 * @next: Function to advance the iterator. Returns false if past the list 294 * of pages, true otherwise. 295 * @dma_address: Function to return the DMA address of the current page. 296 */ 297 struct vmw_piter { 298 struct page **pages; 299 const dma_addr_t *addrs; 300 struct sg_page_iter iter; 301 unsigned long i; 302 unsigned long num_pages; 303 bool (*next)(struct vmw_piter *); 304 dma_addr_t (*dma_address)(struct vmw_piter *); 305 struct page *(*page)(struct vmw_piter *); 306 }; 307 308 /* 309 * enum vmw_display_unit_type - Describes the display unit 310 */ 311 enum vmw_display_unit_type { 312 vmw_du_invalid = 0, 313 vmw_du_legacy, 314 vmw_du_screen_object, 315 vmw_du_screen_target 316 }; 317 318 struct vmw_validation_context; 319 struct vmw_ctx_validation_info; 320 321 /** 322 * struct vmw_sw_context - Command submission context 323 * @res_ht: Pointer hash table used to find validation duplicates 324 * @kernel: Whether the command buffer originates from kernel code rather 325 * than from user-space 326 * @fp: If @kernel is false, points to the file of the client. Otherwise 327 * NULL 328 * @cmd_bounce: Command bounce buffer used for command validation before 329 * copying to fifo space 330 * @cmd_bounce_size: Current command bounce buffer size 331 * @cur_query_bo: Current buffer object used as query result buffer 332 * @bo_relocations: List of buffer object relocations 333 * @res_relocations: List of resource relocations 334 * @buf_start: Pointer to start of memory where command validation takes 335 * place 336 * @res_cache: Cache of recently looked up resources 337 * @last_query_ctx: Last context that submitted a query 338 * @needs_post_query_barrier: Whether a query barrier is needed after 339 * command submission 340 * @staged_bindings: Cached per-context binding tracker 341 * @staged_bindings_inuse: Whether the cached per-context binding tracker 342 * is in use 343 * @staged_cmd_res: List of staged command buffer managed resources in this 344 * command buffer 345 * @ctx_list: List of context resources referenced in this command buffer 346 * @dx_ctx_node: Validation metadata of the current DX context 347 * @dx_query_mob: The MOB used for DX queries 348 * @dx_query_ctx: The DX context used for the last DX query 349 * @man: Pointer to the command buffer managed resource manager 350 * @ctx: The validation context 351 */ 352 struct vmw_sw_context{ 353 struct drm_open_hash res_ht; 354 bool res_ht_initialized; 355 bool kernel; 356 struct vmw_fpriv *fp; 357 uint32_t *cmd_bounce; 358 uint32_t cmd_bounce_size; 359 struct vmw_buffer_object *cur_query_bo; 360 struct list_head bo_relocations; 361 struct list_head res_relocations; 362 uint32_t *buf_start; 363 struct vmw_res_cache_entry res_cache[vmw_res_max]; 364 struct vmw_resource *last_query_ctx; 365 bool needs_post_query_barrier; 366 struct vmw_ctx_binding_state *staged_bindings; 367 bool staged_bindings_inuse; 368 struct list_head staged_cmd_res; 369 struct list_head ctx_list; 370 struct vmw_ctx_validation_info *dx_ctx_node; 371 struct vmw_buffer_object *dx_query_mob; 372 struct vmw_resource *dx_query_ctx; 373 struct vmw_cmdbuf_res_manager *man; 374 struct vmw_validation_context *ctx; 375 }; 376 377 struct vmw_legacy_display; 378 struct vmw_overlay; 379 380 struct vmw_master { 381 struct ttm_lock lock; 382 }; 383 384 struct vmw_vga_topology_state { 385 uint32_t width; 386 uint32_t height; 387 uint32_t primary; 388 uint32_t pos_x; 389 uint32_t pos_y; 390 }; 391 392 393 /* 394 * struct vmw_otable - Guest Memory OBject table metadata 395 * 396 * @size: Size of the table (page-aligned). 397 * @page_table: Pointer to a struct vmw_mob holding the page table. 398 */ 399 struct vmw_otable { 400 unsigned long size; 401 struct vmw_mob *page_table; 402 bool enabled; 403 }; 404 405 struct vmw_otable_batch { 406 unsigned num_otables; 407 struct vmw_otable *otables; 408 struct vmw_resource *context; 409 struct ttm_buffer_object *otable_bo; 410 }; 411 412 enum { 413 VMW_IRQTHREAD_FENCE, 414 VMW_IRQTHREAD_CMDBUF, 415 VMW_IRQTHREAD_MAX 416 }; 417 418 struct vmw_private { 419 struct ttm_bo_device bdev; 420 421 struct vmw_fifo_state fifo; 422 423 struct drm_device *dev; 424 unsigned long vmw_chipset; 425 unsigned int io_start; 426 uint32_t vram_start; 427 uint32_t vram_size; 428 uint32_t prim_bb_mem; 429 uint32_t mmio_start; 430 uint32_t mmio_size; 431 uint32_t fb_max_width; 432 uint32_t fb_max_height; 433 uint32_t texture_max_width; 434 uint32_t texture_max_height; 435 uint32_t stdu_max_width; 436 uint32_t stdu_max_height; 437 uint32_t initial_width; 438 uint32_t initial_height; 439 u32 *mmio_virt; 440 uint32_t capabilities; 441 uint32_t capabilities2; 442 uint32_t max_gmr_ids; 443 uint32_t max_gmr_pages; 444 uint32_t max_mob_pages; 445 uint32_t max_mob_size; 446 uint32_t memory_size; 447 bool has_gmr; 448 bool has_mob; 449 spinlock_t hw_lock; 450 spinlock_t cap_lock; 451 bool has_dx; 452 bool assume_16bpp; 453 bool has_sm4_1; 454 455 /* 456 * VGA registers. 457 */ 458 459 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 460 uint32_t vga_width; 461 uint32_t vga_height; 462 uint32_t vga_bpp; 463 uint32_t vga_bpl; 464 uint32_t vga_pitchlock; 465 466 uint32_t num_displays; 467 468 /* 469 * Currently requested_layout_mutex is used to protect the gui 470 * positionig state in display unit. With that use case currently this 471 * mutex is only taken during layout ioctl and atomic check_modeset. 472 * Other display unit state can be protected with this mutex but that 473 * needs careful consideration. 474 */ 475 struct mutex requested_layout_mutex; 476 477 /* 478 * Framebuffer info. 479 */ 480 481 void *fb_info; 482 enum vmw_display_unit_type active_display_unit; 483 struct vmw_legacy_display *ldu_priv; 484 struct vmw_overlay *overlay_priv; 485 struct drm_property *hotplug_mode_update_property; 486 struct drm_property *implicit_placement_property; 487 unsigned num_implicit; 488 struct vmw_framebuffer *implicit_fb; 489 struct mutex global_kms_state_mutex; 490 spinlock_t cursor_lock; 491 struct drm_atomic_state *suspend_state; 492 493 /* 494 * Context and surface management. 495 */ 496 497 spinlock_t resource_lock; 498 struct idr res_idr[vmw_res_max]; 499 /* 500 * Block lastclose from racing with firstopen. 501 */ 502 503 struct mutex init_mutex; 504 505 /* 506 * A resource manager for kernel-only surfaces and 507 * contexts. 508 */ 509 510 struct ttm_object_device *tdev; 511 512 /* 513 * Fencing and IRQs. 514 */ 515 516 atomic_t marker_seq; 517 wait_queue_head_t fence_queue; 518 wait_queue_head_t fifo_queue; 519 spinlock_t waiter_lock; 520 int fence_queue_waiters; /* Protected by waiter_lock */ 521 int goal_queue_waiters; /* Protected by waiter_lock */ 522 int cmdbuf_waiters; /* Protected by waiter_lock */ 523 int error_waiters; /* Protected by waiter_lock */ 524 int fifo_queue_waiters; /* Protected by waiter_lock */ 525 uint32_t last_read_seqno; 526 struct vmw_fence_manager *fman; 527 uint32_t irq_mask; /* Updates protected by waiter_lock */ 528 529 /* 530 * Device state 531 */ 532 533 uint32_t traces_state; 534 uint32_t enable_state; 535 uint32_t config_done_state; 536 537 /** 538 * Execbuf 539 */ 540 /** 541 * Protected by the cmdbuf mutex. 542 */ 543 544 struct vmw_sw_context ctx; 545 struct mutex cmdbuf_mutex; 546 struct mutex binding_mutex; 547 548 /** 549 * Operating mode. 550 */ 551 552 bool stealth; 553 bool enable_fb; 554 spinlock_t svga_lock; 555 556 /** 557 * Master management. 558 */ 559 560 struct vmw_master *active_master; 561 struct vmw_master fbdev_master; 562 struct notifier_block pm_nb; 563 bool refuse_hibernation; 564 bool suspend_locked; 565 566 struct mutex release_mutex; 567 atomic_t num_fifo_resources; 568 569 /* 570 * Replace this with an rwsem as soon as we have down_xx_interruptible() 571 */ 572 struct ttm_lock reservation_sem; 573 574 /* 575 * Query processing. These members 576 * are protected by the cmdbuf mutex. 577 */ 578 579 struct vmw_buffer_object *dummy_query_bo; 580 struct vmw_buffer_object *pinned_bo; 581 uint32_t query_cid; 582 uint32_t query_cid_valid; 583 bool dummy_query_bo_pinned; 584 585 /* 586 * Surface swapping. The "surface_lru" list is protected by the 587 * resource lock in order to be able to destroy a surface and take 588 * it off the lru atomically. "used_memory_size" is currently 589 * protected by the cmdbuf mutex for simplicity. 590 */ 591 592 struct list_head res_lru[vmw_res_max]; 593 uint32_t used_memory_size; 594 595 /* 596 * DMA mapping stuff. 597 */ 598 enum vmw_dma_map_mode map_mode; 599 600 /* 601 * Guest Backed stuff 602 */ 603 struct vmw_otable_batch otable_batch; 604 605 struct vmw_cmdbuf_man *cman; 606 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 607 }; 608 609 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 610 { 611 return container_of(res, struct vmw_surface, res); 612 } 613 614 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 615 { 616 return (struct vmw_private *)dev->dev_private; 617 } 618 619 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 620 { 621 return (struct vmw_fpriv *)file_priv->driver_priv; 622 } 623 624 static inline struct vmw_master *vmw_master(struct drm_master *master) 625 { 626 return (struct vmw_master *) master->driver_priv; 627 } 628 629 /* 630 * The locking here is fine-grained, so that it is performed once 631 * for every read- and write operation. This is of course costly, but we 632 * don't perform much register access in the timing critical paths anyway. 633 * Instead we have the extra benefit of being sure that we don't forget 634 * the hw lock around register accesses. 635 */ 636 static inline void vmw_write(struct vmw_private *dev_priv, 637 unsigned int offset, uint32_t value) 638 { 639 spin_lock(&dev_priv->hw_lock); 640 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 641 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 642 spin_unlock(&dev_priv->hw_lock); 643 } 644 645 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 646 unsigned int offset) 647 { 648 u32 val; 649 650 spin_lock(&dev_priv->hw_lock); 651 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 652 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 653 spin_unlock(&dev_priv->hw_lock); 654 655 return val; 656 } 657 658 extern void vmw_svga_enable(struct vmw_private *dev_priv); 659 extern void vmw_svga_disable(struct vmw_private *dev_priv); 660 661 662 /** 663 * GMR utilities - vmwgfx_gmr.c 664 */ 665 666 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 667 const struct vmw_sg_table *vsgt, 668 unsigned long num_pages, 669 int gmr_id); 670 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 671 672 /** 673 * Resource utilities - vmwgfx_resource.c 674 */ 675 struct vmw_user_resource_conv; 676 677 extern void vmw_resource_unreference(struct vmw_resource **p_res); 678 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 679 extern struct vmw_resource * 680 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 681 extern int vmw_resource_validate(struct vmw_resource *res, bool intr); 682 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 683 bool no_backup); 684 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 685 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 686 struct ttm_object_file *tfile, 687 uint32_t handle, 688 struct vmw_surface **out_surf, 689 struct vmw_buffer_object **out_buf); 690 extern int vmw_user_resource_lookup_handle( 691 struct vmw_private *dev_priv, 692 struct ttm_object_file *tfile, 693 uint32_t handle, 694 const struct vmw_user_resource_conv *converter, 695 struct vmw_resource **p_res); 696 extern struct vmw_resource * 697 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 698 struct ttm_object_file *tfile, 699 uint32_t handle, 700 const struct vmw_user_resource_conv * 701 converter); 702 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 703 struct drm_file *file_priv); 704 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 705 struct drm_file *file_priv); 706 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 707 struct ttm_object_file *tfile, 708 uint32_t *inout_id, 709 struct vmw_resource **out); 710 extern void vmw_resource_unreserve(struct vmw_resource *res, 711 bool switch_backup, 712 struct vmw_buffer_object *new_backup, 713 unsigned long new_backup_offset); 714 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 715 struct ttm_mem_reg *mem); 716 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 717 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 718 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 719 720 /** 721 * vmw_user_resource_noref_release - release a user resource pointer looked up 722 * without reference 723 */ 724 static inline void vmw_user_resource_noref_release(void) 725 { 726 ttm_base_object_noref_release(); 727 } 728 729 /** 730 * Buffer object helper functions - vmwgfx_bo.c 731 */ 732 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 733 struct vmw_buffer_object *bo, 734 struct ttm_placement *placement, 735 bool interruptible); 736 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 737 struct vmw_buffer_object *buf, 738 bool interruptible); 739 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 740 struct vmw_buffer_object *buf, 741 bool interruptible); 742 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 743 struct vmw_buffer_object *bo, 744 bool interruptible); 745 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 746 struct vmw_buffer_object *bo, 747 bool interruptible); 748 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 749 SVGAGuestPtr *ptr); 750 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 751 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 752 extern int vmw_bo_init(struct vmw_private *dev_priv, 753 struct vmw_buffer_object *vmw_bo, 754 size_t size, struct ttm_placement *placement, 755 bool interuptable, 756 void (*bo_free)(struct ttm_buffer_object *bo)); 757 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 758 struct ttm_object_file *tfile); 759 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 760 struct ttm_object_file *tfile, 761 uint32_t size, 762 bool shareable, 763 uint32_t *handle, 764 struct vmw_buffer_object **p_dma_buf, 765 struct ttm_base_object **p_base); 766 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 767 struct vmw_buffer_object *dma_buf, 768 uint32_t *handle); 769 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 770 struct drm_file *file_priv); 771 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 772 struct drm_file *file_priv); 773 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 774 struct drm_file *file_priv); 775 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 776 uint32_t id, struct vmw_buffer_object **out, 777 struct ttm_base_object **base); 778 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 779 struct vmw_fence_obj *fence); 780 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 781 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 782 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 783 struct ttm_mem_reg *mem); 784 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 785 extern struct vmw_buffer_object * 786 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 787 788 /** 789 * vmw_user_bo_noref_release - release a buffer object pointer looked up 790 * without reference 791 */ 792 static inline void vmw_user_bo_noref_release(void) 793 { 794 ttm_base_object_noref_release(); 795 } 796 797 798 /** 799 * Misc Ioctl functionality - vmwgfx_ioctl.c 800 */ 801 802 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 803 struct drm_file *file_priv); 804 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 805 struct drm_file *file_priv); 806 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 807 struct drm_file *file_priv); 808 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 809 struct drm_file *file_priv); 810 extern __poll_t vmw_fops_poll(struct file *filp, 811 struct poll_table_struct *wait); 812 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 813 size_t count, loff_t *offset); 814 815 /** 816 * Fifo utilities - vmwgfx_fifo.c 817 */ 818 819 extern int vmw_fifo_init(struct vmw_private *dev_priv, 820 struct vmw_fifo_state *fifo); 821 extern void vmw_fifo_release(struct vmw_private *dev_priv, 822 struct vmw_fifo_state *fifo); 823 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 824 extern void * 825 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 826 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 827 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 828 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 829 uint32_t *seqno); 830 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 831 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 832 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 833 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 834 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 835 uint32_t cid); 836 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 837 bool interruptible); 838 839 /** 840 * TTM glue - vmwgfx_ttm_glue.c 841 */ 842 843 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 844 845 /** 846 * TTM buffer object driver - vmwgfx_ttm_buffer.c 847 */ 848 849 extern const size_t vmw_tt_size; 850 extern struct ttm_placement vmw_vram_placement; 851 extern struct ttm_placement vmw_vram_ne_placement; 852 extern struct ttm_placement vmw_vram_sys_placement; 853 extern struct ttm_placement vmw_vram_gmr_placement; 854 extern struct ttm_placement vmw_vram_gmr_ne_placement; 855 extern struct ttm_placement vmw_sys_placement; 856 extern struct ttm_placement vmw_sys_ne_placement; 857 extern struct ttm_placement vmw_evictable_placement; 858 extern struct ttm_placement vmw_srf_placement; 859 extern struct ttm_placement vmw_mob_placement; 860 extern struct ttm_placement vmw_mob_ne_placement; 861 extern struct ttm_placement vmw_nonfixed_placement; 862 extern struct ttm_bo_driver vmw_bo_driver; 863 extern int vmw_dma_quiescent(struct drm_device *dev); 864 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 865 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 866 extern const struct vmw_sg_table * 867 vmw_bo_sg_table(struct ttm_buffer_object *bo); 868 extern void vmw_piter_start(struct vmw_piter *viter, 869 const struct vmw_sg_table *vsgt, 870 unsigned long p_offs); 871 872 /** 873 * vmw_piter_next - Advance the iterator one page. 874 * 875 * @viter: Pointer to the iterator to advance. 876 * 877 * Returns false if past the list of pages, true otherwise. 878 */ 879 static inline bool vmw_piter_next(struct vmw_piter *viter) 880 { 881 return viter->next(viter); 882 } 883 884 /** 885 * vmw_piter_dma_addr - Return the DMA address of the current page. 886 * 887 * @viter: Pointer to the iterator 888 * 889 * Returns the DMA address of the page pointed to by @viter. 890 */ 891 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 892 { 893 return viter->dma_address(viter); 894 } 895 896 /** 897 * vmw_piter_page - Return a pointer to the current page. 898 * 899 * @viter: Pointer to the iterator 900 * 901 * Returns the DMA address of the page pointed to by @viter. 902 */ 903 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 904 { 905 return viter->page(viter); 906 } 907 908 /** 909 * Command submission - vmwgfx_execbuf.c 910 */ 911 912 extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data, 913 struct drm_file *file_priv, size_t size); 914 extern int vmw_execbuf_process(struct drm_file *file_priv, 915 struct vmw_private *dev_priv, 916 void __user *user_commands, 917 void *kernel_commands, 918 uint32_t command_size, 919 uint64_t throttle_us, 920 uint32_t dx_context_handle, 921 struct drm_vmw_fence_rep __user 922 *user_fence_rep, 923 struct vmw_fence_obj **out_fence, 924 uint32_t flags); 925 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 926 struct vmw_fence_obj *fence); 927 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 928 929 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 930 struct vmw_private *dev_priv, 931 struct vmw_fence_obj **p_fence, 932 uint32_t *p_handle); 933 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 934 struct vmw_fpriv *vmw_fp, 935 int ret, 936 struct drm_vmw_fence_rep __user 937 *user_fence_rep, 938 struct vmw_fence_obj *fence, 939 uint32_t fence_handle, 940 int32_t out_fence_fd, 941 struct sync_file *sync_file); 942 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 943 944 /** 945 * IRQs and wating - vmwgfx_irq.c 946 */ 947 948 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 949 uint32_t seqno, bool interruptible, 950 unsigned long timeout); 951 extern int vmw_irq_install(struct drm_device *dev, int irq); 952 extern void vmw_irq_uninstall(struct drm_device *dev); 953 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 954 uint32_t seqno); 955 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 956 bool lazy, 957 bool fifo_idle, 958 uint32_t seqno, 959 bool interruptible, 960 unsigned long timeout); 961 extern void vmw_update_seqno(struct vmw_private *dev_priv, 962 struct vmw_fifo_state *fifo_state); 963 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 964 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 965 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 966 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 967 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 968 int *waiter_count); 969 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 970 u32 flag, int *waiter_count); 971 972 /** 973 * Rudimentary fence-like objects currently used only for throttling - 974 * vmwgfx_marker.c 975 */ 976 977 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 978 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 979 extern int vmw_marker_push(struct vmw_marker_queue *queue, 980 uint32_t seqno); 981 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 982 uint32_t signaled_seqno); 983 extern int vmw_wait_lag(struct vmw_private *dev_priv, 984 struct vmw_marker_queue *queue, uint32_t us); 985 986 /** 987 * Kernel framebuffer - vmwgfx_fb.c 988 */ 989 990 int vmw_fb_init(struct vmw_private *vmw_priv); 991 int vmw_fb_close(struct vmw_private *dev_priv); 992 int vmw_fb_off(struct vmw_private *vmw_priv); 993 int vmw_fb_on(struct vmw_private *vmw_priv); 994 995 /** 996 * Kernel modesetting - vmwgfx_kms.c 997 */ 998 999 int vmw_kms_init(struct vmw_private *dev_priv); 1000 int vmw_kms_close(struct vmw_private *dev_priv); 1001 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 1002 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 1003 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1004 struct drm_file *file_priv); 1005 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1006 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1007 struct ttm_object_file *tfile, 1008 struct ttm_buffer_object *bo, 1009 SVGA3dCmdHeader *header); 1010 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1011 unsigned width, unsigned height, unsigned pitch, 1012 unsigned bpp, unsigned depth); 1013 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 1014 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1015 uint32_t pitch, 1016 uint32_t height); 1017 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 1018 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 1019 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 1020 int vmw_kms_present(struct vmw_private *dev_priv, 1021 struct drm_file *file_priv, 1022 struct vmw_framebuffer *vfb, 1023 struct vmw_surface *surface, 1024 uint32_t sid, int32_t destX, int32_t destY, 1025 struct drm_vmw_rect *clips, 1026 uint32_t num_clips); 1027 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1028 struct drm_file *file_priv); 1029 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1030 int vmw_kms_suspend(struct drm_device *dev); 1031 int vmw_kms_resume(struct drm_device *dev); 1032 void vmw_kms_lost_device(struct drm_device *dev); 1033 1034 int vmw_dumb_create(struct drm_file *file_priv, 1035 struct drm_device *dev, 1036 struct drm_mode_create_dumb *args); 1037 1038 int vmw_dumb_map_offset(struct drm_file *file_priv, 1039 struct drm_device *dev, uint32_t handle, 1040 uint64_t *offset); 1041 int vmw_dumb_destroy(struct drm_file *file_priv, 1042 struct drm_device *dev, 1043 uint32_t handle); 1044 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1045 extern void vmw_resource_unpin(struct vmw_resource *res); 1046 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1047 1048 /** 1049 * Overlay control - vmwgfx_overlay.c 1050 */ 1051 1052 int vmw_overlay_init(struct vmw_private *dev_priv); 1053 int vmw_overlay_close(struct vmw_private *dev_priv); 1054 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1055 struct drm_file *file_priv); 1056 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 1057 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1058 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1059 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1060 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1061 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1062 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1063 1064 /** 1065 * GMR Id manager 1066 */ 1067 1068 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1069 1070 /** 1071 * Prime - vmwgfx_prime.c 1072 */ 1073 1074 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1075 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1076 struct drm_file *file_priv, 1077 int fd, u32 *handle); 1078 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1079 struct drm_file *file_priv, 1080 uint32_t handle, uint32_t flags, 1081 int *prime_fd); 1082 1083 /* 1084 * MemoryOBject management - vmwgfx_mob.c 1085 */ 1086 struct vmw_mob; 1087 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1088 const struct vmw_sg_table *vsgt, 1089 unsigned long num_data_pages, int32_t mob_id); 1090 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1091 struct vmw_mob *mob); 1092 extern void vmw_mob_destroy(struct vmw_mob *mob); 1093 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1094 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1095 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1096 1097 /* 1098 * Context management - vmwgfx_context.c 1099 */ 1100 1101 extern const struct vmw_user_resource_conv *user_context_converter; 1102 1103 extern int vmw_context_check(struct vmw_private *dev_priv, 1104 struct ttm_object_file *tfile, 1105 int id, 1106 struct vmw_resource **p_res); 1107 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1108 struct drm_file *file_priv); 1109 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1110 struct drm_file *file_priv); 1111 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1112 struct drm_file *file_priv); 1113 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1114 extern struct vmw_cmdbuf_res_manager * 1115 vmw_context_res_man(struct vmw_resource *ctx); 1116 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1117 SVGACOTableType cotable_type); 1118 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1119 struct vmw_ctx_binding_state; 1120 extern struct vmw_ctx_binding_state * 1121 vmw_context_binding_state(struct vmw_resource *ctx); 1122 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1123 bool readback); 1124 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1125 struct vmw_buffer_object *mob); 1126 extern struct vmw_buffer_object * 1127 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1128 1129 1130 /* 1131 * Surface management - vmwgfx_surface.c 1132 */ 1133 1134 extern const struct vmw_user_resource_conv *user_surface_converter; 1135 1136 extern void vmw_surface_res_free(struct vmw_resource *res); 1137 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1138 struct drm_file *file_priv); 1139 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1140 struct drm_file *file_priv); 1141 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1142 struct drm_file *file_priv); 1143 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147 extern int vmw_surface_check(struct vmw_private *dev_priv, 1148 struct ttm_object_file *tfile, 1149 uint32_t handle, int *id); 1150 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1151 struct vmw_surface *srf); 1152 int vmw_surface_gb_priv_define(struct drm_device *dev, 1153 uint32_t user_accounting_size, 1154 SVGA3dSurfaceAllFlags svga3d_flags, 1155 SVGA3dSurfaceFormat format, 1156 bool for_scanout, 1157 uint32_t num_mip_levels, 1158 uint32_t multisample_count, 1159 uint32_t array_size, 1160 struct drm_vmw_size size, 1161 SVGA3dMSPattern multisample_pattern, 1162 SVGA3dMSQualityLevel quality_level, 1163 struct vmw_surface **srf_out); 1164 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1165 void *data, 1166 struct drm_file *file_priv); 1167 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1168 void *data, 1169 struct drm_file *file_priv); 1170 1171 /* 1172 * Shader management - vmwgfx_shader.c 1173 */ 1174 1175 extern const struct vmw_user_resource_conv *user_shader_converter; 1176 1177 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1182 struct vmw_cmdbuf_res_manager *man, 1183 u32 user_key, const void *bytecode, 1184 SVGA3dShaderType shader_type, 1185 size_t size, 1186 struct list_head *list); 1187 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1188 u32 user_key, SVGA3dShaderType shader_type, 1189 struct list_head *list); 1190 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1191 struct vmw_resource *ctx, 1192 u32 user_key, 1193 SVGA3dShaderType shader_type, 1194 struct list_head *list); 1195 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1196 struct list_head *list, 1197 bool readback); 1198 1199 extern struct vmw_resource * 1200 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1201 u32 user_key, SVGA3dShaderType shader_type); 1202 1203 /* 1204 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1205 */ 1206 1207 extern struct vmw_cmdbuf_res_manager * 1208 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1209 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1210 extern size_t vmw_cmdbuf_res_man_size(void); 1211 extern struct vmw_resource * 1212 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1213 enum vmw_cmdbuf_res_type res_type, 1214 u32 user_key); 1215 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1216 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1217 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1218 enum vmw_cmdbuf_res_type res_type, 1219 u32 user_key, 1220 struct vmw_resource *res, 1221 struct list_head *list); 1222 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1223 enum vmw_cmdbuf_res_type res_type, 1224 u32 user_key, 1225 struct list_head *list, 1226 struct vmw_resource **res); 1227 1228 /* 1229 * COTable management - vmwgfx_cotable.c 1230 */ 1231 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1232 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1233 struct vmw_resource *ctx, 1234 u32 type); 1235 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1236 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1237 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1238 struct list_head *head); 1239 1240 /* 1241 * Command buffer managerment vmwgfx_cmdbuf.c 1242 */ 1243 struct vmw_cmdbuf_man; 1244 struct vmw_cmdbuf_header; 1245 1246 extern struct vmw_cmdbuf_man * 1247 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1248 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1249 size_t size, size_t default_size); 1250 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1251 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1252 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1253 unsigned long timeout); 1254 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1255 int ctx_id, bool interruptible, 1256 struct vmw_cmdbuf_header *header); 1257 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1258 struct vmw_cmdbuf_header *header, 1259 bool flush); 1260 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1261 size_t size, bool interruptible, 1262 struct vmw_cmdbuf_header **p_header); 1263 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1264 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1265 bool interruptible); 1266 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1267 1268 /* CPU blit utilities - vmwgfx_blit.c */ 1269 1270 /** 1271 * struct vmw_diff_cpy - CPU blit information structure 1272 * 1273 * @rect: The output bounding box rectangle. 1274 * @line: The current line of the blit. 1275 * @line_offset: Offset of the current line segment. 1276 * @cpp: Bytes per pixel (granularity information). 1277 * @memcpy: Which memcpy function to use. 1278 */ 1279 struct vmw_diff_cpy { 1280 struct drm_rect rect; 1281 size_t line; 1282 size_t line_offset; 1283 int cpp; 1284 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1285 size_t n); 1286 }; 1287 1288 #define VMW_CPU_BLIT_INITIALIZER { \ 1289 .do_cpy = vmw_memcpy, \ 1290 } 1291 1292 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1293 .line = 0, \ 1294 .line_offset = 0, \ 1295 .rect = { .x1 = INT_MAX/2, \ 1296 .y1 = INT_MAX/2, \ 1297 .x2 = INT_MIN/2, \ 1298 .y2 = INT_MIN/2 \ 1299 }, \ 1300 .cpp = _cpp, \ 1301 .do_cpy = vmw_diff_memcpy, \ 1302 } 1303 1304 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1305 size_t n); 1306 1307 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1308 1309 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1310 u32 dst_offset, u32 dst_stride, 1311 struct ttm_buffer_object *src, 1312 u32 src_offset, u32 src_stride, 1313 u32 w, u32 h, 1314 struct vmw_diff_cpy *diff); 1315 1316 /* Host messaging -vmwgfx_msg.c: */ 1317 int vmw_host_get_guestinfo(const char *guest_info_param, 1318 char *buffer, size_t *length); 1319 int vmw_host_log(const char *log); 1320 1321 /** 1322 * Inline helper functions 1323 */ 1324 1325 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1326 { 1327 struct vmw_surface *tmp_srf = *srf; 1328 struct vmw_resource *res = &tmp_srf->res; 1329 *srf = NULL; 1330 1331 vmw_resource_unreference(&res); 1332 } 1333 1334 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1335 { 1336 (void) vmw_resource_reference(&srf->res); 1337 return srf; 1338 } 1339 1340 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1341 { 1342 struct vmw_buffer_object *tmp_buf = *buf; 1343 1344 *buf = NULL; 1345 if (tmp_buf != NULL) { 1346 struct ttm_buffer_object *bo = &tmp_buf->base; 1347 1348 ttm_bo_unref(&bo); 1349 } 1350 } 1351 1352 static inline struct vmw_buffer_object * 1353 vmw_bo_reference(struct vmw_buffer_object *buf) 1354 { 1355 if (ttm_bo_reference(&buf->base)) 1356 return buf; 1357 return NULL; 1358 } 1359 1360 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1361 { 1362 return &ttm_mem_glob; 1363 } 1364 1365 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1366 { 1367 atomic_inc(&dev_priv->num_fifo_resources); 1368 } 1369 1370 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1371 { 1372 atomic_dec(&dev_priv->num_fifo_resources); 1373 } 1374 1375 /** 1376 * vmw_mmio_read - Perform a MMIO read from volatile memory 1377 * 1378 * @addr: The address to read from 1379 * 1380 * This function is intended to be equivalent to ioread32() on 1381 * memremap'd memory, but without byteswapping. 1382 */ 1383 static inline u32 vmw_mmio_read(u32 *addr) 1384 { 1385 return READ_ONCE(*addr); 1386 } 1387 1388 /** 1389 * vmw_mmio_write - Perform a MMIO write to volatile memory 1390 * 1391 * @addr: The address to write to 1392 * 1393 * This function is intended to be equivalent to iowrite32 on 1394 * memremap'd memory, but without byteswapping. 1395 */ 1396 static inline void vmw_mmio_write(u32 value, u32 *addr) 1397 { 1398 WRITE_ONCE(*addr, value); 1399 } 1400 #endif 1401