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 struct ttm_bo_global_ref bo_global_ref; 421 struct drm_global_reference mem_global_ref; 422 423 struct vmw_fifo_state fifo; 424 425 struct drm_device *dev; 426 unsigned long vmw_chipset; 427 unsigned int io_start; 428 uint32_t vram_start; 429 uint32_t vram_size; 430 uint32_t prim_bb_mem; 431 uint32_t mmio_start; 432 uint32_t mmio_size; 433 uint32_t fb_max_width; 434 uint32_t fb_max_height; 435 uint32_t texture_max_width; 436 uint32_t texture_max_height; 437 uint32_t stdu_max_width; 438 uint32_t stdu_max_height; 439 uint32_t initial_width; 440 uint32_t initial_height; 441 u32 *mmio_virt; 442 uint32_t capabilities; 443 uint32_t capabilities2; 444 uint32_t max_gmr_ids; 445 uint32_t max_gmr_pages; 446 uint32_t max_mob_pages; 447 uint32_t max_mob_size; 448 uint32_t memory_size; 449 bool has_gmr; 450 bool has_mob; 451 spinlock_t hw_lock; 452 spinlock_t cap_lock; 453 bool has_dx; 454 bool assume_16bpp; 455 bool has_sm4_1; 456 457 /* 458 * VGA registers. 459 */ 460 461 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 462 uint32_t vga_width; 463 uint32_t vga_height; 464 uint32_t vga_bpp; 465 uint32_t vga_bpl; 466 uint32_t vga_pitchlock; 467 468 uint32_t num_displays; 469 470 /* 471 * Currently requested_layout_mutex is used to protect the gui 472 * positionig state in display unit. With that use case currently this 473 * mutex is only taken during layout ioctl and atomic check_modeset. 474 * Other display unit state can be protected with this mutex but that 475 * needs careful consideration. 476 */ 477 struct mutex requested_layout_mutex; 478 479 /* 480 * Framebuffer info. 481 */ 482 483 void *fb_info; 484 enum vmw_display_unit_type active_display_unit; 485 struct vmw_legacy_display *ldu_priv; 486 struct vmw_overlay *overlay_priv; 487 struct drm_property *hotplug_mode_update_property; 488 struct drm_property *implicit_placement_property; 489 unsigned num_implicit; 490 struct vmw_framebuffer *implicit_fb; 491 struct mutex global_kms_state_mutex; 492 spinlock_t cursor_lock; 493 struct drm_atomic_state *suspend_state; 494 495 /* 496 * Context and surface management. 497 */ 498 499 spinlock_t resource_lock; 500 struct idr res_idr[vmw_res_max]; 501 /* 502 * Block lastclose from racing with firstopen. 503 */ 504 505 struct mutex init_mutex; 506 507 /* 508 * A resource manager for kernel-only surfaces and 509 * contexts. 510 */ 511 512 struct ttm_object_device *tdev; 513 514 /* 515 * Fencing and IRQs. 516 */ 517 518 atomic_t marker_seq; 519 wait_queue_head_t fence_queue; 520 wait_queue_head_t fifo_queue; 521 spinlock_t waiter_lock; 522 int fence_queue_waiters; /* Protected by waiter_lock */ 523 int goal_queue_waiters; /* Protected by waiter_lock */ 524 int cmdbuf_waiters; /* Protected by waiter_lock */ 525 int error_waiters; /* Protected by waiter_lock */ 526 int fifo_queue_waiters; /* Protected by waiter_lock */ 527 uint32_t last_read_seqno; 528 struct vmw_fence_manager *fman; 529 uint32_t irq_mask; /* Updates protected by waiter_lock */ 530 531 /* 532 * Device state 533 */ 534 535 uint32_t traces_state; 536 uint32_t enable_state; 537 uint32_t config_done_state; 538 539 /** 540 * Execbuf 541 */ 542 /** 543 * Protected by the cmdbuf mutex. 544 */ 545 546 struct vmw_sw_context ctx; 547 struct mutex cmdbuf_mutex; 548 struct mutex binding_mutex; 549 550 /** 551 * Operating mode. 552 */ 553 554 bool stealth; 555 bool enable_fb; 556 spinlock_t svga_lock; 557 558 /** 559 * Master management. 560 */ 561 562 struct vmw_master *active_master; 563 struct vmw_master fbdev_master; 564 struct notifier_block pm_nb; 565 bool refuse_hibernation; 566 bool suspend_locked; 567 568 struct mutex release_mutex; 569 atomic_t num_fifo_resources; 570 571 /* 572 * Replace this with an rwsem as soon as we have down_xx_interruptible() 573 */ 574 struct ttm_lock reservation_sem; 575 576 /* 577 * Query processing. These members 578 * are protected by the cmdbuf mutex. 579 */ 580 581 struct vmw_buffer_object *dummy_query_bo; 582 struct vmw_buffer_object *pinned_bo; 583 uint32_t query_cid; 584 uint32_t query_cid_valid; 585 bool dummy_query_bo_pinned; 586 587 /* 588 * Surface swapping. The "surface_lru" list is protected by the 589 * resource lock in order to be able to destroy a surface and take 590 * it off the lru atomically. "used_memory_size" is currently 591 * protected by the cmdbuf mutex for simplicity. 592 */ 593 594 struct list_head res_lru[vmw_res_max]; 595 uint32_t used_memory_size; 596 597 /* 598 * DMA mapping stuff. 599 */ 600 enum vmw_dma_map_mode map_mode; 601 602 /* 603 * Guest Backed stuff 604 */ 605 struct vmw_otable_batch otable_batch; 606 607 struct vmw_cmdbuf_man *cman; 608 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 609 610 /* Validation memory reservation */ 611 struct vmw_validation_mem vvm; 612 }; 613 614 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 615 { 616 return container_of(res, struct vmw_surface, res); 617 } 618 619 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 620 { 621 return (struct vmw_private *)dev->dev_private; 622 } 623 624 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 625 { 626 return (struct vmw_fpriv *)file_priv->driver_priv; 627 } 628 629 static inline struct vmw_master *vmw_master(struct drm_master *master) 630 { 631 return (struct vmw_master *) master->driver_priv; 632 } 633 634 /* 635 * The locking here is fine-grained, so that it is performed once 636 * for every read- and write operation. This is of course costly, but we 637 * don't perform much register access in the timing critical paths anyway. 638 * Instead we have the extra benefit of being sure that we don't forget 639 * the hw lock around register accesses. 640 */ 641 static inline void vmw_write(struct vmw_private *dev_priv, 642 unsigned int offset, uint32_t value) 643 { 644 spin_lock(&dev_priv->hw_lock); 645 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 646 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 647 spin_unlock(&dev_priv->hw_lock); 648 } 649 650 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 651 unsigned int offset) 652 { 653 u32 val; 654 655 spin_lock(&dev_priv->hw_lock); 656 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 657 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 658 spin_unlock(&dev_priv->hw_lock); 659 660 return val; 661 } 662 663 extern void vmw_svga_enable(struct vmw_private *dev_priv); 664 extern void vmw_svga_disable(struct vmw_private *dev_priv); 665 666 667 /** 668 * GMR utilities - vmwgfx_gmr.c 669 */ 670 671 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 672 const struct vmw_sg_table *vsgt, 673 unsigned long num_pages, 674 int gmr_id); 675 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 676 677 /** 678 * Resource utilities - vmwgfx_resource.c 679 */ 680 struct vmw_user_resource_conv; 681 682 extern void vmw_resource_unreference(struct vmw_resource **p_res); 683 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 684 extern struct vmw_resource * 685 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 686 extern int vmw_resource_validate(struct vmw_resource *res, bool intr); 687 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 688 bool no_backup); 689 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 690 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 691 struct ttm_object_file *tfile, 692 uint32_t handle, 693 struct vmw_surface **out_surf, 694 struct vmw_buffer_object **out_buf); 695 extern int vmw_user_resource_lookup_handle( 696 struct vmw_private *dev_priv, 697 struct ttm_object_file *tfile, 698 uint32_t handle, 699 const struct vmw_user_resource_conv *converter, 700 struct vmw_resource **p_res); 701 extern struct vmw_resource * 702 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 703 struct ttm_object_file *tfile, 704 uint32_t handle, 705 const struct vmw_user_resource_conv * 706 converter); 707 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 708 struct drm_file *file_priv); 709 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 710 struct drm_file *file_priv); 711 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 712 struct ttm_object_file *tfile, 713 uint32_t *inout_id, 714 struct vmw_resource **out); 715 extern void vmw_resource_unreserve(struct vmw_resource *res, 716 bool switch_backup, 717 struct vmw_buffer_object *new_backup, 718 unsigned long new_backup_offset); 719 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 720 struct ttm_mem_reg *mem); 721 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 722 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 723 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 724 725 /** 726 * vmw_user_resource_noref_release - release a user resource pointer looked up 727 * without reference 728 */ 729 static inline void vmw_user_resource_noref_release(void) 730 { 731 ttm_base_object_noref_release(); 732 } 733 734 /** 735 * Buffer object helper functions - vmwgfx_bo.c 736 */ 737 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 738 struct vmw_buffer_object *bo, 739 struct ttm_placement *placement, 740 bool interruptible); 741 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 742 struct vmw_buffer_object *buf, 743 bool interruptible); 744 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 745 struct vmw_buffer_object *buf, 746 bool interruptible); 747 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 748 struct vmw_buffer_object *bo, 749 bool interruptible); 750 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 751 struct vmw_buffer_object *bo, 752 bool interruptible); 753 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 754 SVGAGuestPtr *ptr); 755 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 756 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 757 extern int vmw_bo_init(struct vmw_private *dev_priv, 758 struct vmw_buffer_object *vmw_bo, 759 size_t size, struct ttm_placement *placement, 760 bool interuptable, 761 void (*bo_free)(struct ttm_buffer_object *bo)); 762 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 763 struct ttm_object_file *tfile); 764 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 765 struct ttm_object_file *tfile, 766 uint32_t size, 767 bool shareable, 768 uint32_t *handle, 769 struct vmw_buffer_object **p_dma_buf, 770 struct ttm_base_object **p_base); 771 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 772 struct vmw_buffer_object *dma_buf, 773 uint32_t *handle); 774 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 775 struct drm_file *file_priv); 776 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 777 struct drm_file *file_priv); 778 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 779 struct drm_file *file_priv); 780 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 781 uint32_t id, struct vmw_buffer_object **out, 782 struct ttm_base_object **base); 783 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 784 struct vmw_fence_obj *fence); 785 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 786 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 787 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 788 struct ttm_mem_reg *mem); 789 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 790 extern struct vmw_buffer_object * 791 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 792 793 /** 794 * vmw_user_bo_noref_release - release a buffer object pointer looked up 795 * without reference 796 */ 797 static inline void vmw_user_bo_noref_release(void) 798 { 799 ttm_base_object_noref_release(); 800 } 801 802 803 /** 804 * Misc Ioctl functionality - vmwgfx_ioctl.c 805 */ 806 807 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 808 struct drm_file *file_priv); 809 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 810 struct drm_file *file_priv); 811 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 812 struct drm_file *file_priv); 813 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 814 struct drm_file *file_priv); 815 extern __poll_t vmw_fops_poll(struct file *filp, 816 struct poll_table_struct *wait); 817 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 818 size_t count, loff_t *offset); 819 820 /** 821 * Fifo utilities - vmwgfx_fifo.c 822 */ 823 824 extern int vmw_fifo_init(struct vmw_private *dev_priv, 825 struct vmw_fifo_state *fifo); 826 extern void vmw_fifo_release(struct vmw_private *dev_priv, 827 struct vmw_fifo_state *fifo); 828 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 829 extern void * 830 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 831 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 832 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 833 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 834 uint32_t *seqno); 835 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 836 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 837 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 838 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 839 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 840 uint32_t cid); 841 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 842 bool interruptible); 843 844 /** 845 * TTM glue - vmwgfx_ttm_glue.c 846 */ 847 848 extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 849 extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 850 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 851 852 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 853 size_t gran); 854 /** 855 * TTM buffer object driver - vmwgfx_ttm_buffer.c 856 */ 857 858 extern const size_t vmw_tt_size; 859 extern struct ttm_placement vmw_vram_placement; 860 extern struct ttm_placement vmw_vram_ne_placement; 861 extern struct ttm_placement vmw_vram_sys_placement; 862 extern struct ttm_placement vmw_vram_gmr_placement; 863 extern struct ttm_placement vmw_vram_gmr_ne_placement; 864 extern struct ttm_placement vmw_sys_placement; 865 extern struct ttm_placement vmw_sys_ne_placement; 866 extern struct ttm_placement vmw_evictable_placement; 867 extern struct ttm_placement vmw_srf_placement; 868 extern struct ttm_placement vmw_mob_placement; 869 extern struct ttm_placement vmw_mob_ne_placement; 870 extern struct ttm_placement vmw_nonfixed_placement; 871 extern struct ttm_bo_driver vmw_bo_driver; 872 extern int vmw_dma_quiescent(struct drm_device *dev); 873 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 874 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 875 extern const struct vmw_sg_table * 876 vmw_bo_sg_table(struct ttm_buffer_object *bo); 877 extern void vmw_piter_start(struct vmw_piter *viter, 878 const struct vmw_sg_table *vsgt, 879 unsigned long p_offs); 880 881 /** 882 * vmw_piter_next - Advance the iterator one page. 883 * 884 * @viter: Pointer to the iterator to advance. 885 * 886 * Returns false if past the list of pages, true otherwise. 887 */ 888 static inline bool vmw_piter_next(struct vmw_piter *viter) 889 { 890 return viter->next(viter); 891 } 892 893 /** 894 * vmw_piter_dma_addr - Return the DMA address of the current page. 895 * 896 * @viter: Pointer to the iterator 897 * 898 * Returns the DMA address of the page pointed to by @viter. 899 */ 900 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 901 { 902 return viter->dma_address(viter); 903 } 904 905 /** 906 * vmw_piter_page - Return a pointer to the current page. 907 * 908 * @viter: Pointer to the iterator 909 * 910 * Returns the DMA address of the page pointed to by @viter. 911 */ 912 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 913 { 914 return viter->page(viter); 915 } 916 917 /** 918 * Command submission - vmwgfx_execbuf.c 919 */ 920 921 extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data, 922 struct drm_file *file_priv, size_t size); 923 extern int vmw_execbuf_process(struct drm_file *file_priv, 924 struct vmw_private *dev_priv, 925 void __user *user_commands, 926 void *kernel_commands, 927 uint32_t command_size, 928 uint64_t throttle_us, 929 uint32_t dx_context_handle, 930 struct drm_vmw_fence_rep __user 931 *user_fence_rep, 932 struct vmw_fence_obj **out_fence, 933 uint32_t flags); 934 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 935 struct vmw_fence_obj *fence); 936 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 937 938 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 939 struct vmw_private *dev_priv, 940 struct vmw_fence_obj **p_fence, 941 uint32_t *p_handle); 942 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 943 struct vmw_fpriv *vmw_fp, 944 int ret, 945 struct drm_vmw_fence_rep __user 946 *user_fence_rep, 947 struct vmw_fence_obj *fence, 948 uint32_t fence_handle, 949 int32_t out_fence_fd, 950 struct sync_file *sync_file); 951 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 952 953 /** 954 * IRQs and wating - vmwgfx_irq.c 955 */ 956 957 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 958 uint32_t seqno, bool interruptible, 959 unsigned long timeout); 960 extern int vmw_irq_install(struct drm_device *dev, int irq); 961 extern void vmw_irq_uninstall(struct drm_device *dev); 962 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 963 uint32_t seqno); 964 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 965 bool lazy, 966 bool fifo_idle, 967 uint32_t seqno, 968 bool interruptible, 969 unsigned long timeout); 970 extern void vmw_update_seqno(struct vmw_private *dev_priv, 971 struct vmw_fifo_state *fifo_state); 972 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 973 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 974 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 975 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 976 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 977 int *waiter_count); 978 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 979 u32 flag, int *waiter_count); 980 981 /** 982 * Rudimentary fence-like objects currently used only for throttling - 983 * vmwgfx_marker.c 984 */ 985 986 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 987 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 988 extern int vmw_marker_push(struct vmw_marker_queue *queue, 989 uint32_t seqno); 990 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 991 uint32_t signaled_seqno); 992 extern int vmw_wait_lag(struct vmw_private *dev_priv, 993 struct vmw_marker_queue *queue, uint32_t us); 994 995 /** 996 * Kernel framebuffer - vmwgfx_fb.c 997 */ 998 999 int vmw_fb_init(struct vmw_private *vmw_priv); 1000 int vmw_fb_close(struct vmw_private *dev_priv); 1001 int vmw_fb_off(struct vmw_private *vmw_priv); 1002 int vmw_fb_on(struct vmw_private *vmw_priv); 1003 1004 /** 1005 * Kernel modesetting - vmwgfx_kms.c 1006 */ 1007 1008 int vmw_kms_init(struct vmw_private *dev_priv); 1009 int vmw_kms_close(struct vmw_private *dev_priv); 1010 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 1011 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 1012 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1013 struct drm_file *file_priv); 1014 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1015 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1016 struct ttm_object_file *tfile, 1017 struct ttm_buffer_object *bo, 1018 SVGA3dCmdHeader *header); 1019 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1020 unsigned width, unsigned height, unsigned pitch, 1021 unsigned bpp, unsigned depth); 1022 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 1023 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1024 uint32_t pitch, 1025 uint32_t height); 1026 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 1027 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 1028 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 1029 int vmw_kms_present(struct vmw_private *dev_priv, 1030 struct drm_file *file_priv, 1031 struct vmw_framebuffer *vfb, 1032 struct vmw_surface *surface, 1033 uint32_t sid, int32_t destX, int32_t destY, 1034 struct drm_vmw_rect *clips, 1035 uint32_t num_clips); 1036 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1037 struct drm_file *file_priv); 1038 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1039 int vmw_kms_suspend(struct drm_device *dev); 1040 int vmw_kms_resume(struct drm_device *dev); 1041 void vmw_kms_lost_device(struct drm_device *dev); 1042 1043 int vmw_dumb_create(struct drm_file *file_priv, 1044 struct drm_device *dev, 1045 struct drm_mode_create_dumb *args); 1046 1047 int vmw_dumb_map_offset(struct drm_file *file_priv, 1048 struct drm_device *dev, uint32_t handle, 1049 uint64_t *offset); 1050 int vmw_dumb_destroy(struct drm_file *file_priv, 1051 struct drm_device *dev, 1052 uint32_t handle); 1053 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1054 extern void vmw_resource_unpin(struct vmw_resource *res); 1055 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1056 1057 /** 1058 * Overlay control - vmwgfx_overlay.c 1059 */ 1060 1061 int vmw_overlay_init(struct vmw_private *dev_priv); 1062 int vmw_overlay_close(struct vmw_private *dev_priv); 1063 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1064 struct drm_file *file_priv); 1065 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 1066 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1067 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1068 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1069 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1070 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1071 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1072 1073 /** 1074 * GMR Id manager 1075 */ 1076 1077 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1078 1079 /** 1080 * Prime - vmwgfx_prime.c 1081 */ 1082 1083 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1084 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1085 struct drm_file *file_priv, 1086 int fd, u32 *handle); 1087 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1088 struct drm_file *file_priv, 1089 uint32_t handle, uint32_t flags, 1090 int *prime_fd); 1091 1092 /* 1093 * MemoryOBject management - vmwgfx_mob.c 1094 */ 1095 struct vmw_mob; 1096 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1097 const struct vmw_sg_table *vsgt, 1098 unsigned long num_data_pages, int32_t mob_id); 1099 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1100 struct vmw_mob *mob); 1101 extern void vmw_mob_destroy(struct vmw_mob *mob); 1102 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1103 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1104 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1105 1106 /* 1107 * Context management - vmwgfx_context.c 1108 */ 1109 1110 extern const struct vmw_user_resource_conv *user_context_converter; 1111 1112 extern int vmw_context_check(struct vmw_private *dev_priv, 1113 struct ttm_object_file *tfile, 1114 int id, 1115 struct vmw_resource **p_res); 1116 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1117 struct drm_file *file_priv); 1118 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1119 struct drm_file *file_priv); 1120 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1121 struct drm_file *file_priv); 1122 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1123 extern struct vmw_cmdbuf_res_manager * 1124 vmw_context_res_man(struct vmw_resource *ctx); 1125 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1126 SVGACOTableType cotable_type); 1127 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1128 struct vmw_ctx_binding_state; 1129 extern struct vmw_ctx_binding_state * 1130 vmw_context_binding_state(struct vmw_resource *ctx); 1131 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1132 bool readback); 1133 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1134 struct vmw_buffer_object *mob); 1135 extern struct vmw_buffer_object * 1136 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1137 1138 1139 /* 1140 * Surface management - vmwgfx_surface.c 1141 */ 1142 1143 extern const struct vmw_user_resource_conv *user_surface_converter; 1144 1145 extern void vmw_surface_res_free(struct vmw_resource *res); 1146 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1147 struct drm_file *file_priv); 1148 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1149 struct drm_file *file_priv); 1150 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1151 struct drm_file *file_priv); 1152 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1155 struct drm_file *file_priv); 1156 extern int vmw_surface_check(struct vmw_private *dev_priv, 1157 struct ttm_object_file *tfile, 1158 uint32_t handle, int *id); 1159 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1160 struct vmw_surface *srf); 1161 int vmw_surface_gb_priv_define(struct drm_device *dev, 1162 uint32_t user_accounting_size, 1163 SVGA3dSurfaceAllFlags svga3d_flags, 1164 SVGA3dSurfaceFormat format, 1165 bool for_scanout, 1166 uint32_t num_mip_levels, 1167 uint32_t multisample_count, 1168 uint32_t array_size, 1169 struct drm_vmw_size size, 1170 SVGA3dMSPattern multisample_pattern, 1171 SVGA3dMSQualityLevel quality_level, 1172 struct vmw_surface **srf_out); 1173 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1174 void *data, 1175 struct drm_file *file_priv); 1176 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1177 void *data, 1178 struct drm_file *file_priv); 1179 1180 /* 1181 * Shader management - vmwgfx_shader.c 1182 */ 1183 1184 extern const struct vmw_user_resource_conv *user_shader_converter; 1185 1186 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1187 struct drm_file *file_priv); 1188 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1189 struct drm_file *file_priv); 1190 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1191 struct vmw_cmdbuf_res_manager *man, 1192 u32 user_key, const void *bytecode, 1193 SVGA3dShaderType shader_type, 1194 size_t size, 1195 struct list_head *list); 1196 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1197 u32 user_key, SVGA3dShaderType shader_type, 1198 struct list_head *list); 1199 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1200 struct vmw_resource *ctx, 1201 u32 user_key, 1202 SVGA3dShaderType shader_type, 1203 struct list_head *list); 1204 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1205 struct list_head *list, 1206 bool readback); 1207 1208 extern struct vmw_resource * 1209 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1210 u32 user_key, SVGA3dShaderType shader_type); 1211 1212 /* 1213 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1214 */ 1215 1216 extern struct vmw_cmdbuf_res_manager * 1217 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1218 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1219 extern size_t vmw_cmdbuf_res_man_size(void); 1220 extern struct vmw_resource * 1221 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1222 enum vmw_cmdbuf_res_type res_type, 1223 u32 user_key); 1224 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1225 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1226 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1227 enum vmw_cmdbuf_res_type res_type, 1228 u32 user_key, 1229 struct vmw_resource *res, 1230 struct list_head *list); 1231 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1232 enum vmw_cmdbuf_res_type res_type, 1233 u32 user_key, 1234 struct list_head *list, 1235 struct vmw_resource **res); 1236 1237 /* 1238 * COTable management - vmwgfx_cotable.c 1239 */ 1240 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1241 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1242 struct vmw_resource *ctx, 1243 u32 type); 1244 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1245 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1246 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1247 struct list_head *head); 1248 1249 /* 1250 * Command buffer managerment vmwgfx_cmdbuf.c 1251 */ 1252 struct vmw_cmdbuf_man; 1253 struct vmw_cmdbuf_header; 1254 1255 extern struct vmw_cmdbuf_man * 1256 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1257 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1258 size_t size, size_t default_size); 1259 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1260 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1261 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1262 unsigned long timeout); 1263 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1264 int ctx_id, bool interruptible, 1265 struct vmw_cmdbuf_header *header); 1266 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1267 struct vmw_cmdbuf_header *header, 1268 bool flush); 1269 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1270 size_t size, bool interruptible, 1271 struct vmw_cmdbuf_header **p_header); 1272 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1273 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1274 bool interruptible); 1275 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1276 1277 /* CPU blit utilities - vmwgfx_blit.c */ 1278 1279 /** 1280 * struct vmw_diff_cpy - CPU blit information structure 1281 * 1282 * @rect: The output bounding box rectangle. 1283 * @line: The current line of the blit. 1284 * @line_offset: Offset of the current line segment. 1285 * @cpp: Bytes per pixel (granularity information). 1286 * @memcpy: Which memcpy function to use. 1287 */ 1288 struct vmw_diff_cpy { 1289 struct drm_rect rect; 1290 size_t line; 1291 size_t line_offset; 1292 int cpp; 1293 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1294 size_t n); 1295 }; 1296 1297 #define VMW_CPU_BLIT_INITIALIZER { \ 1298 .do_cpy = vmw_memcpy, \ 1299 } 1300 1301 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1302 .line = 0, \ 1303 .line_offset = 0, \ 1304 .rect = { .x1 = INT_MAX/2, \ 1305 .y1 = INT_MAX/2, \ 1306 .x2 = INT_MIN/2, \ 1307 .y2 = INT_MIN/2 \ 1308 }, \ 1309 .cpp = _cpp, \ 1310 .do_cpy = vmw_diff_memcpy, \ 1311 } 1312 1313 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1314 size_t n); 1315 1316 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1317 1318 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1319 u32 dst_offset, u32 dst_stride, 1320 struct ttm_buffer_object *src, 1321 u32 src_offset, u32 src_stride, 1322 u32 w, u32 h, 1323 struct vmw_diff_cpy *diff); 1324 1325 /* Host messaging -vmwgfx_msg.c: */ 1326 int vmw_host_get_guestinfo(const char *guest_info_param, 1327 char *buffer, size_t *length); 1328 int vmw_host_log(const char *log); 1329 1330 /** 1331 * Inline helper functions 1332 */ 1333 1334 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1335 { 1336 struct vmw_surface *tmp_srf = *srf; 1337 struct vmw_resource *res = &tmp_srf->res; 1338 *srf = NULL; 1339 1340 vmw_resource_unreference(&res); 1341 } 1342 1343 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1344 { 1345 (void) vmw_resource_reference(&srf->res); 1346 return srf; 1347 } 1348 1349 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1350 { 1351 struct vmw_buffer_object *tmp_buf = *buf; 1352 1353 *buf = NULL; 1354 if (tmp_buf != NULL) { 1355 struct ttm_buffer_object *bo = &tmp_buf->base; 1356 1357 ttm_bo_unref(&bo); 1358 } 1359 } 1360 1361 static inline struct vmw_buffer_object * 1362 vmw_bo_reference(struct vmw_buffer_object *buf) 1363 { 1364 if (ttm_bo_reference(&buf->base)) 1365 return buf; 1366 return NULL; 1367 } 1368 1369 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1370 { 1371 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1372 } 1373 1374 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1375 { 1376 atomic_inc(&dev_priv->num_fifo_resources); 1377 } 1378 1379 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1380 { 1381 atomic_dec(&dev_priv->num_fifo_resources); 1382 } 1383 1384 /** 1385 * vmw_mmio_read - Perform a MMIO read from volatile memory 1386 * 1387 * @addr: The address to read from 1388 * 1389 * This function is intended to be equivalent to ioread32() on 1390 * memremap'd memory, but without byteswapping. 1391 */ 1392 static inline u32 vmw_mmio_read(u32 *addr) 1393 { 1394 return READ_ONCE(*addr); 1395 } 1396 1397 /** 1398 * vmw_mmio_write - Perform a MMIO write to volatile memory 1399 * 1400 * @addr: The address to write to 1401 * 1402 * This function is intended to be equivalent to iowrite32 on 1403 * memremap'd memory, but without byteswapping. 1404 */ 1405 static inline void vmw_mmio_write(u32 value, u32 *addr) 1406 { 1407 WRITE_ONCE(*addr, value); 1408 } 1409 #endif 1410