1 /* $NetBSD: vmwgfx_drv.h,v 1.9 2022/10/25 23:36:21 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 4 /************************************************************************** 5 * 6 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the 10 * "Software"), to deal in the Software without restriction, including 11 * without limitation the rights to use, copy, modify, merge, publish, 12 * distribute, sub license, and/or sell copies of the Software, and to 13 * permit persons to whom the Software is furnished to do so, subject to 14 * the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the 17 * next paragraph) shall be included in all copies or substantial portions 18 * of the Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 23 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 24 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 25 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 26 * USE OR OTHER DEALINGS IN THE SOFTWARE. 27 * 28 **************************************************************************/ 29 30 #ifndef _VMWGFX_DRV_H_ 31 #define _VMWGFX_DRV_H_ 32 33 #ifdef __NetBSD__ 34 #include <sys/workqueue.h> 35 #endif 36 37 #include <linux/notifier.h> 38 #include <linux/suspend.h> 39 #include <linux/sync_file.h> 40 #include <linux/uaccess.h> 41 42 #include <drm/drm_auth.h> 43 #include <drm/drm_device.h> 44 #include <drm/drm_file.h> 45 #include <drm/drm_hashtab.h> 46 #include <drm/drm_rect.h> 47 48 #include <drm/ttm/ttm_bo_driver.h> 49 #include <drm/ttm/ttm_execbuf_util.h> 50 #include <drm/ttm/ttm_module.h> 51 52 #include "ttm_lock.h" 53 #include "ttm_object.h" 54 55 #include "vmwgfx_fence.h" 56 #include "vmwgfx_reg.h" 57 #include "vmwgfx_validation.h" 58 59 /* 60 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 61 * uapi headers should not depend on header files outside uapi/. 62 */ 63 #include <drm/vmwgfx_drm.h> 64 65 66 #define VMWGFX_DRIVER_NAME "vmwgfx" 67 #define VMWGFX_DRIVER_DATE "20200114" 68 #define VMWGFX_DRIVER_MAJOR 2 69 #define VMWGFX_DRIVER_MINOR 17 70 #define VMWGFX_DRIVER_PATCHLEVEL 0 71 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 72 #define VMWGFX_MAX_RELOCATIONS 2048 73 #define VMWGFX_MAX_VALIDATIONS 2048 74 #define VMWGFX_MAX_DISPLAYS 16 75 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 76 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 77 78 /* 79 * Perhaps we should have sysfs entries for these. 80 */ 81 #define VMWGFX_NUM_GB_CONTEXT 256 82 #define VMWGFX_NUM_GB_SHADER 20000 83 #define VMWGFX_NUM_GB_SURFACE 32768 84 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 85 #define VMWGFX_NUM_DXCONTEXT 256 86 #define VMWGFX_NUM_DXQUERY 512 87 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 88 VMWGFX_NUM_GB_SHADER +\ 89 VMWGFX_NUM_GB_SURFACE +\ 90 VMWGFX_NUM_GB_SCREEN_TARGET) 91 92 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 93 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 94 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 95 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 96 97 #define VMW_RES_CONTEXT ttm_driver_type0 98 #define VMW_RES_SURFACE ttm_driver_type1 99 #define VMW_RES_STREAM ttm_driver_type2 100 #define VMW_RES_FENCE ttm_driver_type3 101 #define VMW_RES_SHADER ttm_driver_type4 102 103 struct vmw_fpriv { 104 struct ttm_object_file *tfile; 105 bool gb_aware; /* user-space is guest-backed aware */ 106 }; 107 108 /** 109 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 110 * @base: The TTM buffer object 111 * @res_tree: RB tree of resources using this buffer object as a backing MOB 112 * @pin_count: pin depth 113 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 114 * increased. May be decreased without reservation. 115 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 116 * @map: Kmap object for semi-persistent mappings 117 * @res_prios: Eviction priority counts for attached resources 118 * @dirty: structure for user-space dirty-tracking 119 */ 120 struct vmw_buffer_object { 121 struct ttm_buffer_object base; 122 struct rb_root res_tree; 123 s32 pin_count; 124 atomic_t cpu_writers; 125 /* Not ref-counted. Protected by binding_mutex */ 126 struct vmw_resource *dx_query_ctx; 127 /* Protected by reservation */ 128 struct ttm_bo_kmap_obj map; 129 u32 res_prios[TTM_MAX_BO_PRIORITY]; 130 struct vmw_bo_dirty *dirty; 131 }; 132 133 /** 134 * struct vmw_validate_buffer - Carries validation info about buffers. 135 * 136 * @base: Validation info for TTM. 137 * @hash: Hash entry for quick lookup of the TTM buffer object. 138 * 139 * This structure contains also driver private validation info 140 * on top of the info needed by TTM. 141 */ 142 struct vmw_validate_buffer { 143 struct ttm_validate_buffer base; 144 struct drm_hash_item hash; 145 bool validate_as_mob; 146 }; 147 148 struct vmw_res_func; 149 150 151 /** 152 * struct vmw-resource - base class for hardware resources 153 * 154 * @kref: For refcounting. 155 * @dev_priv: Pointer to the device private for this resource. Immutable. 156 * @id: Device id. Protected by @dev_priv::resource_lock. 157 * @backup_size: Backup buffer size. Immutable. 158 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 159 * by resource reserved. 160 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 161 * Protected by resource reserved. 162 * @coherent: Emulate coherency by tracking vm accesses. 163 * @backup: The backup buffer if any. Protected by resource reserved. 164 * @backup_offset: Offset into the backup buffer if any. Protected by resource 165 * reserved. Note that only a few resource types can have a @backup_offset 166 * different from zero. 167 * @pin_count: The pin count for this resource. A pinned resource has a 168 * pin-count greater than zero. It is not on the resource LRU lists and its 169 * backup buffer is pinned. Hence it can't be evicted. 170 * @func: Method vtable for this resource. Immutable. 171 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 172 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 173 * @binding_head: List head for the context binding list. Protected by 174 * the @dev_priv::binding_mutex 175 * @res_free: The resource destructor. 176 * @hw_destroy: Callback to destroy the resource on the device, as part of 177 * resource destruction. 178 */ 179 struct vmw_resource_dirty; 180 struct vmw_resource { 181 struct kref kref; 182 struct vmw_private *dev_priv; 183 int id; 184 u32 used_prio; 185 unsigned long backup_size; 186 u32 res_dirty : 1; 187 u32 backup_dirty : 1; 188 u32 coherent : 1; 189 struct vmw_buffer_object *backup; 190 unsigned long backup_offset; 191 unsigned long pin_count; 192 const struct vmw_res_func *func; 193 struct rb_node mob_node; 194 bool mob_attached; 195 struct list_head lru_head; 196 struct list_head binding_head; 197 struct vmw_resource_dirty *dirty; 198 void (*res_free) (struct vmw_resource *res); 199 void (*hw_destroy) (struct vmw_resource *res); 200 }; 201 202 203 /* 204 * Resources that are managed using ioctls. 205 */ 206 enum vmw_res_type { 207 vmw_res_context, 208 vmw_res_surface, 209 vmw_res_stream, 210 vmw_res_shader, 211 vmw_res_dx_context, 212 vmw_res_cotable, 213 vmw_res_view, 214 vmw_res_max 215 }; 216 217 /* 218 * Resources that are managed using command streams. 219 */ 220 enum vmw_cmdbuf_res_type { 221 vmw_cmdbuf_res_shader, 222 vmw_cmdbuf_res_view 223 }; 224 225 struct vmw_cmdbuf_res_manager; 226 227 struct vmw_cursor_snooper { 228 size_t age; 229 uint32_t *image; 230 }; 231 232 struct vmw_framebuffer; 233 struct vmw_surface_offset; 234 235 struct vmw_surface { 236 struct vmw_resource res; 237 SVGA3dSurfaceAllFlags flags; 238 uint32_t format; 239 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 240 struct drm_vmw_size base_size; 241 struct drm_vmw_size *sizes; 242 uint32_t num_sizes; 243 bool scanout; 244 uint32_t array_size; 245 /* TODO so far just a extra pointer */ 246 struct vmw_cursor_snooper snooper; 247 struct vmw_surface_offset *offsets; 248 SVGA3dTextureFilter autogen_filter; 249 uint32_t multisample_count; 250 struct list_head view_list; 251 SVGA3dMSPattern multisample_pattern; 252 SVGA3dMSQualityLevel quality_level; 253 }; 254 255 struct vmw_marker_queue { 256 struct list_head head; 257 u64 lag; 258 u64 lag_time; 259 spinlock_t lock; 260 }; 261 262 struct vmw_fifo_state { 263 unsigned long reserved_size; 264 u32 *dynamic_buffer; 265 u32 *static_buffer; 266 unsigned long static_buffer_size; 267 bool using_bounce_buffer; 268 uint32_t capabilities; 269 struct mutex fifo_mutex; 270 struct rw_semaphore rwsem; 271 struct vmw_marker_queue marker_queue; 272 bool dx; 273 }; 274 275 /** 276 * struct vmw_res_cache_entry - resource information cache entry 277 * @handle: User-space handle of a resource. 278 * @res: Non-ref-counted pointer to the resource. 279 * @valid_handle: Whether the @handle member is valid. 280 * @valid: Whether the entry is valid, which also implies that the execbuf 281 * code holds a reference to the resource, and it's placed on the 282 * validation list. 283 * 284 * Used to avoid frequent repeated user-space handle lookups of the 285 * same resource. 286 */ 287 struct vmw_res_cache_entry { 288 uint32_t handle; 289 struct vmw_resource *res; 290 void *private; 291 unsigned short valid_handle; 292 unsigned short valid; 293 }; 294 295 /** 296 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 297 */ 298 enum vmw_dma_map_mode { 299 vmw_dma_phys, /* Use physical page addresses */ 300 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 301 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 302 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 303 vmw_dma_map_max 304 }; 305 306 /** 307 * struct vmw_sg_table - Scatter/gather table for binding, with additional 308 * device-specific information. 309 * 310 * @sgt: Pointer to a struct sg_table with binding information 311 * @num_regions: Number of regions with device-address contiguous pages 312 */ 313 struct vmw_sg_table { 314 enum vmw_dma_map_mode mode; 315 struct page **pages; 316 const dma_addr_t *addrs; 317 struct sg_table *sgt; 318 unsigned long num_regions; 319 unsigned long num_pages; 320 }; 321 322 /** 323 * struct vmw_piter - Page iterator that iterates over a list of pages 324 * and DMA addresses that could be either a scatter-gather list or 325 * arrays 326 * 327 * @pages: Array of page pointers to the pages. 328 * @addrs: DMA addresses to the pages if coherent pages are used. 329 * @iter: Scatter-gather page iterator. Current position in SG list. 330 * @i: Current position in arrays. 331 * @num_pages: Number of pages total. 332 * @next: Function to advance the iterator. Returns false if past the list 333 * of pages, true otherwise. 334 * @dma_address: Function to return the DMA address of the current page. 335 */ 336 struct vmw_piter { 337 struct page **pages; 338 const dma_addr_t *addrs; 339 #ifndef __NetBSD__ /* XXX */ 340 struct sg_dma_page_iter iter; 341 #endif 342 unsigned long i; 343 unsigned long num_pages; 344 bool (*next)(struct vmw_piter *); 345 dma_addr_t (*dma_address)(struct vmw_piter *); 346 struct page *(*page)(struct vmw_piter *); 347 }; 348 349 /* 350 * enum vmw_display_unit_type - Describes the display unit 351 */ 352 enum vmw_display_unit_type { 353 vmw_du_invalid = 0, 354 vmw_du_legacy, 355 vmw_du_screen_object, 356 vmw_du_screen_target 357 }; 358 359 struct vmw_validation_context; 360 struct vmw_ctx_validation_info; 361 362 /** 363 * struct vmw_sw_context - Command submission context 364 * @res_ht: Pointer hash table used to find validation duplicates 365 * @kernel: Whether the command buffer originates from kernel code rather 366 * than from user-space 367 * @fp: If @kernel is false, points to the file of the client. Otherwise 368 * NULL 369 * @cmd_bounce: Command bounce buffer used for command validation before 370 * copying to fifo space 371 * @cmd_bounce_size: Current command bounce buffer size 372 * @cur_query_bo: Current buffer object used as query result buffer 373 * @bo_relocations: List of buffer object relocations 374 * @res_relocations: List of resource relocations 375 * @buf_start: Pointer to start of memory where command validation takes 376 * place 377 * @res_cache: Cache of recently looked up resources 378 * @last_query_ctx: Last context that submitted a query 379 * @needs_post_query_barrier: Whether a query barrier is needed after 380 * command submission 381 * @staged_bindings: Cached per-context binding tracker 382 * @staged_bindings_inuse: Whether the cached per-context binding tracker 383 * is in use 384 * @staged_cmd_res: List of staged command buffer managed resources in this 385 * command buffer 386 * @ctx_list: List of context resources referenced in this command buffer 387 * @dx_ctx_node: Validation metadata of the current DX context 388 * @dx_query_mob: The MOB used for DX queries 389 * @dx_query_ctx: The DX context used for the last DX query 390 * @man: Pointer to the command buffer managed resource manager 391 * @ctx: The validation context 392 */ 393 struct vmw_sw_context{ 394 struct drm_open_hash res_ht; 395 bool res_ht_initialized; 396 bool kernel; 397 struct vmw_fpriv *fp; 398 uint32_t *cmd_bounce; 399 uint32_t cmd_bounce_size; 400 struct vmw_buffer_object *cur_query_bo; 401 struct list_head bo_relocations; 402 struct list_head res_relocations; 403 uint32_t *buf_start; 404 struct vmw_res_cache_entry res_cache[vmw_res_max]; 405 struct vmw_resource *last_query_ctx; 406 bool needs_post_query_barrier; 407 struct vmw_ctx_binding_state *staged_bindings; 408 bool staged_bindings_inuse; 409 struct list_head staged_cmd_res; 410 struct list_head ctx_list; 411 struct vmw_ctx_validation_info *dx_ctx_node; 412 struct vmw_buffer_object *dx_query_mob; 413 struct vmw_resource *dx_query_ctx; 414 struct vmw_cmdbuf_res_manager *man; 415 struct vmw_validation_context *ctx; 416 }; 417 418 struct vmw_legacy_display; 419 struct vmw_overlay; 420 421 struct vmw_vga_topology_state { 422 uint32_t width; 423 uint32_t height; 424 uint32_t primary; 425 uint32_t pos_x; 426 uint32_t pos_y; 427 }; 428 429 430 /* 431 * struct vmw_otable - Guest Memory OBject table metadata 432 * 433 * @size: Size of the table (page-aligned). 434 * @page_table: Pointer to a struct vmw_mob holding the page table. 435 */ 436 struct vmw_otable { 437 unsigned long size; 438 struct vmw_mob *page_table; 439 bool enabled; 440 }; 441 442 struct vmw_otable_batch { 443 unsigned num_otables; 444 struct vmw_otable *otables; 445 struct vmw_resource *context; 446 struct ttm_buffer_object *otable_bo; 447 }; 448 449 enum { 450 VMW_IRQTHREAD_FENCE, 451 VMW_IRQTHREAD_CMDBUF, 452 VMW_IRQTHREAD_MAX 453 }; 454 455 struct vmw_private { 456 struct ttm_bo_device bdev; 457 458 struct vmw_fifo_state fifo; 459 460 struct drm_device *dev; 461 struct drm_vma_offset_manager vma_manager; 462 unsigned long vmw_chipset; 463 #ifdef __NetBSD__ 464 bus_space_tag_t iot; 465 bus_space_handle_t ioh; 466 #endif 467 unsigned int io_start; 468 uint32_t vram_start; 469 uint32_t vram_size; 470 uint32_t prim_bb_mem; 471 uint32_t mmio_start; 472 uint32_t mmio_size; 473 uint32_t fb_max_width; 474 uint32_t fb_max_height; 475 uint32_t texture_max_width; 476 uint32_t texture_max_height; 477 uint32_t stdu_max_width; 478 uint32_t stdu_max_height; 479 uint32_t initial_width; 480 uint32_t initial_height; 481 #ifdef __NetBSD__ 482 bus_space_tag_t mmio_bst; 483 bus_space_handle_t mmio_bsh; 484 #endif 485 u32 *mmio_virt; 486 uint32_t capabilities; 487 uint32_t capabilities2; 488 uint32_t max_gmr_ids; 489 uint32_t max_gmr_pages; 490 uint32_t max_mob_pages; 491 uint32_t max_mob_size; 492 uint32_t memory_size; 493 bool has_gmr; 494 bool has_mob; 495 spinlock_t hw_lock; 496 spinlock_t cap_lock; 497 bool has_dx; 498 bool assume_16bpp; 499 bool has_sm4_1; 500 501 /* 502 * VGA registers. 503 */ 504 505 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 506 uint32_t vga_width; 507 uint32_t vga_height; 508 uint32_t vga_bpp; 509 uint32_t vga_bpl; 510 uint32_t vga_pitchlock; 511 512 uint32_t num_displays; 513 514 /* 515 * Framebuffer info. 516 */ 517 518 void *fb_info; 519 enum vmw_display_unit_type active_display_unit; 520 struct vmw_legacy_display *ldu_priv; 521 struct vmw_overlay *overlay_priv; 522 struct drm_property *hotplug_mode_update_property; 523 struct drm_property *implicit_placement_property; 524 struct mutex global_kms_state_mutex; 525 spinlock_t cursor_lock; 526 struct drm_atomic_state *suspend_state; 527 528 /* 529 * Context and surface management. 530 */ 531 532 spinlock_t resource_lock; 533 struct idr res_idr[vmw_res_max]; 534 535 /* 536 * A resource manager for kernel-only surfaces and 537 * contexts. 538 */ 539 540 struct ttm_object_device *tdev; 541 542 /* 543 * Fencing and IRQs. 544 */ 545 546 atomic_t marker_seq; 547 drm_waitqueue_t fence_queue; 548 spinlock_t fence_lock; 549 drm_waitqueue_t fifo_queue; 550 spinlock_t fifo_lock; 551 spinlock_t waiter_lock; 552 int fence_queue_waiters; /* Protected by waiter_lock */ 553 int goal_queue_waiters; /* Protected by waiter_lock */ 554 int cmdbuf_waiters; /* Protected by waiter_lock */ 555 int error_waiters; /* Protected by waiter_lock */ 556 int fifo_queue_waiters; /* Protected by waiter_lock */ 557 uint32_t last_read_seqno; 558 struct vmw_fence_manager *fman; 559 uint32_t irq_mask; /* Updates protected by waiter_lock */ 560 561 /* 562 * Device state 563 */ 564 565 uint32_t traces_state; 566 uint32_t enable_state; 567 uint32_t config_done_state; 568 569 /** 570 * Execbuf 571 */ 572 /** 573 * Protected by the cmdbuf mutex. 574 */ 575 576 struct vmw_sw_context ctx; 577 struct mutex cmdbuf_mutex; 578 struct mutex binding_mutex; 579 580 /** 581 * Operating mode. 582 */ 583 584 bool stealth; 585 bool enable_fb; 586 spinlock_t svga_lock; 587 588 /** 589 * PM management. 590 */ 591 struct notifier_block pm_nb; 592 bool refuse_hibernation; 593 bool suspend_locked; 594 595 struct mutex release_mutex; 596 atomic_t num_fifo_resources; 597 598 /* 599 * Replace this with an rwsem as soon as we have down_xx_interruptible() 600 */ 601 struct ttm_lock reservation_sem; 602 603 /* 604 * Query processing. These members 605 * are protected by the cmdbuf mutex. 606 */ 607 608 struct vmw_buffer_object *dummy_query_bo; 609 struct vmw_buffer_object *pinned_bo; 610 uint32_t query_cid; 611 uint32_t query_cid_valid; 612 bool dummy_query_bo_pinned; 613 614 /* 615 * Surface swapping. The "surface_lru" list is protected by the 616 * resource lock in order to be able to destroy a surface and take 617 * it off the lru atomically. "used_memory_size" is currently 618 * protected by the cmdbuf mutex for simplicity. 619 */ 620 621 struct list_head res_lru[vmw_res_max]; 622 uint32_t used_memory_size; 623 624 /* 625 * DMA mapping stuff. 626 */ 627 enum vmw_dma_map_mode map_mode; 628 629 /* 630 * Guest Backed stuff 631 */ 632 struct vmw_otable_batch otable_batch; 633 634 struct vmw_cmdbuf_man *cman; 635 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 636 #ifdef __NetBSD__ 637 struct workqueue *irqthread_wq; 638 struct work irqthread_work; 639 volatile unsigned irqthread_scheduled; 640 #endif 641 642 /* Validation memory reservation */ 643 struct vmw_validation_mem vvm; 644 }; 645 646 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 647 { 648 return container_of(res, struct vmw_surface, res); 649 } 650 651 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 652 { 653 return (struct vmw_private *)dev->dev_private; 654 } 655 656 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 657 { 658 return (struct vmw_fpriv *)file_priv->driver_priv; 659 } 660 661 /* 662 * The locking here is fine-grained, so that it is performed once 663 * for every read- and write operation. This is of course costly, but we 664 * don't perform much register access in the timing critical paths anyway. 665 * Instead we have the extra benefit of being sure that we don't forget 666 * the hw lock around register accesses. 667 */ 668 static inline void vmw_write(struct vmw_private *dev_priv, 669 unsigned int offset, uint32_t value) 670 { 671 spin_lock(&dev_priv->hw_lock); 672 #ifdef __NetBSD__ 673 bus_space_write_4(dev_priv->iot, dev_priv->ioh, VMWGFX_INDEX_PORT, 674 offset); 675 bus_space_write_4(dev_priv->iot, dev_priv->ioh, VMWGFX_VALUE_PORT, 676 value); 677 #else 678 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 679 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 680 #endif 681 spin_unlock(&dev_priv->hw_lock); 682 } 683 684 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 685 unsigned int offset) 686 { 687 u32 val; 688 689 spin_lock(&dev_priv->hw_lock); 690 #ifdef __NetBSD__ 691 bus_space_write_4(dev_priv->iot, dev_priv->ioh, VMWGFX_INDEX_PORT, 692 offset); 693 val = bus_space_read_4(dev_priv->iot, dev_priv->ioh, 694 VMWGFX_VALUE_PORT); 695 #else 696 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 697 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 698 #endif 699 spin_unlock(&dev_priv->hw_lock); 700 701 return val; 702 } 703 704 extern void vmw_svga_enable(struct vmw_private *dev_priv); 705 extern void vmw_svga_disable(struct vmw_private *dev_priv); 706 707 708 /** 709 * GMR utilities - vmwgfx_gmr.c 710 */ 711 712 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 713 const struct vmw_sg_table *vsgt, 714 unsigned long num_pages, 715 int gmr_id); 716 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 717 718 /** 719 * Resource utilities - vmwgfx_resource.c 720 */ 721 struct vmw_user_resource_conv; 722 723 extern void vmw_resource_unreference(struct vmw_resource **p_res); 724 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 725 extern struct vmw_resource * 726 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 727 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 728 bool dirtying); 729 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 730 bool no_backup); 731 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 732 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 733 struct ttm_object_file *tfile, 734 uint32_t handle, 735 struct vmw_surface **out_surf, 736 struct vmw_buffer_object **out_buf); 737 extern int vmw_user_resource_lookup_handle( 738 struct vmw_private *dev_priv, 739 struct ttm_object_file *tfile, 740 uint32_t handle, 741 const struct vmw_user_resource_conv *converter, 742 struct vmw_resource **p_res); 743 extern struct vmw_resource * 744 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 745 struct ttm_object_file *tfile, 746 uint32_t handle, 747 const struct vmw_user_resource_conv * 748 converter); 749 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 750 struct drm_file *file_priv); 751 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 752 struct drm_file *file_priv); 753 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 754 struct ttm_object_file *tfile, 755 uint32_t *inout_id, 756 struct vmw_resource **out); 757 extern void vmw_resource_unreserve(struct vmw_resource *res, 758 bool dirty_set, 759 bool dirty, 760 bool switch_backup, 761 struct vmw_buffer_object *new_backup, 762 unsigned long new_backup_offset); 763 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 764 struct ttm_mem_reg *mem); 765 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 766 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 767 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 768 void vmw_resource_mob_attach(struct vmw_resource *res); 769 void vmw_resource_mob_detach(struct vmw_resource *res); 770 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 771 pgoff_t end); 772 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 773 pgoff_t end, pgoff_t *num_prefault); 774 775 /** 776 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 777 * @res: The resource 778 * 779 * Return: true if the resource has a mob attached, false otherwise. 780 */ 781 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 782 { 783 return res->mob_attached; 784 } 785 786 /** 787 * vmw_user_resource_noref_release - release a user resource pointer looked up 788 * without reference 789 */ 790 static inline void vmw_user_resource_noref_release(void) 791 { 792 ttm_base_object_noref_release(); 793 } 794 795 /** 796 * Buffer object helper functions - vmwgfx_bo.c 797 */ 798 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 799 struct vmw_buffer_object *bo, 800 struct ttm_placement *placement, 801 bool interruptible); 802 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 803 struct vmw_buffer_object *buf, 804 bool interruptible); 805 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 806 struct vmw_buffer_object *buf, 807 bool interruptible); 808 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 809 struct vmw_buffer_object *bo, 810 bool interruptible); 811 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 812 struct vmw_buffer_object *bo, 813 bool interruptible); 814 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 815 SVGAGuestPtr *ptr); 816 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 817 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 818 extern int vmw_bo_init(struct vmw_private *dev_priv, 819 struct vmw_buffer_object *vmw_bo, 820 size_t size, struct ttm_placement *placement, 821 bool interuptable, 822 void (*bo_free)(struct ttm_buffer_object *bo)); 823 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 824 struct ttm_object_file *tfile); 825 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 826 struct ttm_object_file *tfile, 827 uint32_t size, 828 bool shareable, 829 uint32_t *handle, 830 struct vmw_buffer_object **p_dma_buf, 831 struct ttm_base_object **p_base); 832 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 833 struct vmw_buffer_object *dma_buf, 834 uint32_t *handle); 835 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 836 struct drm_file *file_priv); 837 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 838 struct drm_file *file_priv); 839 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 840 struct drm_file *file_priv); 841 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 842 uint32_t id, struct vmw_buffer_object **out, 843 struct ttm_base_object **base); 844 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 845 struct vmw_fence_obj *fence); 846 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 847 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 848 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 849 struct ttm_mem_reg *mem); 850 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 851 extern struct vmw_buffer_object * 852 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 853 854 /** 855 * vmw_user_bo_noref_release - release a buffer object pointer looked up 856 * without reference 857 */ 858 static inline void vmw_user_bo_noref_release(void) 859 { 860 ttm_base_object_noref_release(); 861 } 862 863 /** 864 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 865 * according to attached resources 866 * @vbo: The struct vmw_buffer_object 867 */ 868 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 869 { 870 int i = ARRAY_SIZE(vbo->res_prios); 871 872 while (i--) { 873 if (vbo->res_prios[i]) { 874 vbo->base.priority = i; 875 return; 876 } 877 } 878 879 vbo->base.priority = 3; 880 } 881 882 /** 883 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 884 * eviction priority 885 * @vbo: The struct vmw_buffer_object 886 * @prio: The resource priority 887 * 888 * After being notified, the code assigns the highest resource eviction priority 889 * to the backing buffer object (mob). 890 */ 891 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 892 { 893 if (vbo->res_prios[prio]++ == 0) 894 vmw_bo_prio_adjust(vbo); 895 } 896 897 /** 898 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 899 * priority being removed 900 * @vbo: The struct vmw_buffer_object 901 * @prio: The resource priority 902 * 903 * After being notified, the code assigns the highest resource eviction priority 904 * to the backing buffer object (mob). 905 */ 906 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 907 { 908 if (--vbo->res_prios[prio] == 0) 909 vmw_bo_prio_adjust(vbo); 910 } 911 912 /** 913 * Misc Ioctl functionality - vmwgfx_ioctl.c 914 */ 915 916 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 917 struct drm_file *file_priv); 918 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 919 struct drm_file *file_priv); 920 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 921 struct drm_file *file_priv); 922 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 923 struct drm_file *file_priv); 924 #ifdef __NetBSD__ 925 #else 926 extern __poll_t vmw_fops_poll(struct file *filp, 927 struct poll_table_struct *wait); 928 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 929 size_t count, loff_t *offset); 930 #endif 931 932 /** 933 * Fifo utilities - vmwgfx_fifo.c 934 */ 935 936 extern int vmw_fifo_init(struct vmw_private *dev_priv, 937 struct vmw_fifo_state *fifo); 938 extern void vmw_fifo_release(struct vmw_private *dev_priv, 939 struct vmw_fifo_state *fifo); 940 extern void * 941 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 942 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 943 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 944 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 945 uint32_t *seqno); 946 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 947 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 948 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 949 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 950 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 951 uint32_t cid); 952 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 953 bool interruptible); 954 955 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 956 ({ \ 957 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 958 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 959 __func__, (unsigned int) __bytes); \ 960 NULL; \ 961 }); \ 962 }) 963 964 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 965 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 966 967 /** 968 * TTM glue - vmwgfx_ttm_glue.c 969 */ 970 971 #ifdef __NetBSD__ 972 struct uvm_object; 973 extern int vmw_mmap_object(struct drm_device *, off_t, size_t, vm_prot_t, 974 struct uvm_object **, voff_t, struct file *); 975 #else 976 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 977 #endif 978 979 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 980 size_t gran); 981 /** 982 * TTM buffer object driver - vmwgfx_ttm_buffer.c 983 */ 984 985 extern const size_t vmw_tt_size; 986 extern struct ttm_placement vmw_vram_placement; 987 extern struct ttm_placement vmw_vram_ne_placement; 988 extern struct ttm_placement vmw_vram_sys_placement; 989 extern struct ttm_placement vmw_vram_gmr_placement; 990 extern struct ttm_placement vmw_vram_gmr_ne_placement; 991 extern struct ttm_placement vmw_sys_placement; 992 extern struct ttm_placement vmw_sys_ne_placement; 993 extern struct ttm_placement vmw_evictable_placement; 994 extern struct ttm_placement vmw_srf_placement; 995 extern struct ttm_placement vmw_mob_placement; 996 extern struct ttm_placement vmw_mob_ne_placement; 997 extern struct ttm_placement vmw_nonfixed_placement; 998 extern struct ttm_bo_driver vmw_bo_driver; 999 extern int vmw_dma_quiescent(struct drm_device *dev); 1000 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 1001 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 1002 extern const struct vmw_sg_table * 1003 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1004 extern void vmw_piter_start(struct vmw_piter *viter, 1005 const struct vmw_sg_table *vsgt, 1006 unsigned long p_offs); 1007 1008 /** 1009 * vmw_piter_next - Advance the iterator one page. 1010 * 1011 * @viter: Pointer to the iterator to advance. 1012 * 1013 * Returns false if past the list of pages, true otherwise. 1014 */ 1015 static inline bool vmw_piter_next(struct vmw_piter *viter) 1016 { 1017 return viter->next(viter); 1018 } 1019 1020 /** 1021 * vmw_piter_dma_addr - Return the DMA address of the current page. 1022 * 1023 * @viter: Pointer to the iterator 1024 * 1025 * Returns the DMA address of the page pointed to by @viter. 1026 */ 1027 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1028 { 1029 return viter->dma_address(viter); 1030 } 1031 1032 /** 1033 * vmw_piter_page - Return a pointer to the current page. 1034 * 1035 * @viter: Pointer to the iterator 1036 * 1037 * Returns the DMA address of the page pointed to by @viter. 1038 */ 1039 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1040 { 1041 return viter->page(viter); 1042 } 1043 1044 /** 1045 * Command submission - vmwgfx_execbuf.c 1046 */ 1047 1048 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1049 struct drm_file *file_priv); 1050 extern int vmw_execbuf_process(struct drm_file *file_priv, 1051 struct vmw_private *dev_priv, 1052 void __user *user_commands, 1053 void *kernel_commands, 1054 uint32_t command_size, 1055 uint64_t throttle_us, 1056 uint32_t dx_context_handle, 1057 struct drm_vmw_fence_rep __user 1058 *user_fence_rep, 1059 struct vmw_fence_obj **out_fence, 1060 uint32_t flags); 1061 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1062 struct vmw_fence_obj *fence); 1063 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1064 1065 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1066 struct vmw_private *dev_priv, 1067 struct vmw_fence_obj **p_fence, 1068 uint32_t *p_handle); 1069 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1070 struct vmw_fpriv *vmw_fp, 1071 int ret, 1072 struct drm_vmw_fence_rep __user 1073 *user_fence_rep, 1074 struct vmw_fence_obj *fence, 1075 uint32_t fence_handle, 1076 int32_t out_fence_fd, 1077 struct sync_file *sync_file); 1078 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1079 1080 /** 1081 * IRQs and wating - vmwgfx_irq.c 1082 */ 1083 1084 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1085 uint32_t seqno, bool interruptible, 1086 unsigned long timeout); 1087 extern int vmw_irq_install(struct drm_device *dev, int irq); 1088 extern void vmw_irq_uninstall(struct drm_device *dev); 1089 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1090 uint32_t seqno); 1091 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1092 bool lazy, 1093 bool fifo_idle, 1094 uint32_t seqno, 1095 bool interruptible, 1096 unsigned long timeout); 1097 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1098 struct vmw_fifo_state *fifo_state); 1099 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1100 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1101 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1102 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1103 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1104 int *waiter_count); 1105 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1106 u32 flag, int *waiter_count); 1107 1108 /** 1109 * Rudimentary fence-like objects currently used only for throttling - 1110 * vmwgfx_marker.c 1111 */ 1112 1113 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1114 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1115 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1116 uint32_t seqno); 1117 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1118 uint32_t signaled_seqno); 1119 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1120 struct vmw_marker_queue *queue, uint32_t us); 1121 1122 /** 1123 * Kernel framebuffer - vmwgfx_fb.c 1124 */ 1125 1126 int vmw_fb_init(struct vmw_private *vmw_priv); 1127 int vmw_fb_close(struct vmw_private *dev_priv); 1128 int vmw_fb_off(struct vmw_private *vmw_priv); 1129 int vmw_fb_on(struct vmw_private *vmw_priv); 1130 1131 /** 1132 * Kernel modesetting - vmwgfx_kms.c 1133 */ 1134 1135 int vmw_kms_init(struct vmw_private *dev_priv); 1136 int vmw_kms_close(struct vmw_private *dev_priv); 1137 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 1138 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 1139 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1140 struct drm_file *file_priv); 1141 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1142 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1143 struct ttm_object_file *tfile, 1144 struct ttm_buffer_object *bo, 1145 SVGA3dCmdHeader *header); 1146 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1147 unsigned width, unsigned height, unsigned pitch, 1148 unsigned bpp, unsigned depth); 1149 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1150 uint32_t pitch, 1151 uint32_t height); 1152 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 1153 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 1154 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 1155 int vmw_kms_present(struct vmw_private *dev_priv, 1156 struct drm_file *file_priv, 1157 struct vmw_framebuffer *vfb, 1158 struct vmw_surface *surface, 1159 uint32_t sid, int32_t destX, int32_t destY, 1160 struct drm_vmw_rect *clips, 1161 uint32_t num_clips); 1162 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1163 struct drm_file *file_priv); 1164 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1165 int vmw_kms_suspend(struct drm_device *dev); 1166 int vmw_kms_resume(struct drm_device *dev); 1167 void vmw_kms_lost_device(struct drm_device *dev); 1168 1169 int vmw_dumb_create(struct drm_file *file_priv, 1170 struct drm_device *dev, 1171 struct drm_mode_create_dumb *args); 1172 1173 int vmw_dumb_map_offset(struct drm_file *file_priv, 1174 struct drm_device *dev, uint32_t handle, 1175 uint64_t *offset); 1176 int vmw_dumb_destroy(struct drm_file *file_priv, 1177 struct drm_device *dev, 1178 uint32_t handle); 1179 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1180 extern void vmw_resource_unpin(struct vmw_resource *res); 1181 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1182 1183 /** 1184 * Overlay control - vmwgfx_overlay.c 1185 */ 1186 1187 int vmw_overlay_init(struct vmw_private *dev_priv); 1188 int vmw_overlay_close(struct vmw_private *dev_priv); 1189 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 1192 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1193 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1194 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1195 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1196 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1197 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1198 1199 /** 1200 * GMR Id manager 1201 */ 1202 1203 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1204 1205 /** 1206 * Prime - vmwgfx_prime.c 1207 */ 1208 1209 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1210 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1211 struct drm_file *file_priv, 1212 int fd, u32 *handle); 1213 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1214 struct drm_file *file_priv, 1215 uint32_t handle, uint32_t flags, 1216 int *prime_fd); 1217 1218 /* 1219 * MemoryOBject management - vmwgfx_mob.c 1220 */ 1221 struct vmw_mob; 1222 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1223 const struct vmw_sg_table *vsgt, 1224 unsigned long num_data_pages, int32_t mob_id); 1225 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1226 struct vmw_mob *mob); 1227 extern void vmw_mob_destroy(struct vmw_mob *mob); 1228 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1229 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1230 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1231 1232 /* 1233 * Context management - vmwgfx_context.c 1234 */ 1235 1236 extern const struct vmw_user_resource_conv *user_context_converter; 1237 1238 extern int vmw_context_check(struct vmw_private *dev_priv, 1239 struct ttm_object_file *tfile, 1240 int id, 1241 struct vmw_resource **p_res); 1242 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1243 struct drm_file *file_priv); 1244 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1245 struct drm_file *file_priv); 1246 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1247 struct drm_file *file_priv); 1248 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1249 extern struct vmw_cmdbuf_res_manager * 1250 vmw_context_res_man(struct vmw_resource *ctx); 1251 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1252 SVGACOTableType cotable_type); 1253 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1254 struct vmw_ctx_binding_state; 1255 extern struct vmw_ctx_binding_state * 1256 vmw_context_binding_state(struct vmw_resource *ctx); 1257 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1258 bool readback); 1259 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1260 struct vmw_buffer_object *mob); 1261 extern struct vmw_buffer_object * 1262 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1263 1264 1265 /* 1266 * Surface management - vmwgfx_surface.c 1267 */ 1268 1269 extern const struct vmw_user_resource_conv *user_surface_converter; 1270 1271 extern void vmw_surface_res_free(struct vmw_resource *res); 1272 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1273 struct drm_file *file_priv); 1274 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1275 struct drm_file *file_priv); 1276 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1277 struct drm_file *file_priv); 1278 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1279 struct drm_file *file_priv); 1280 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1281 struct drm_file *file_priv); 1282 extern int vmw_surface_check(struct vmw_private *dev_priv, 1283 struct ttm_object_file *tfile, 1284 uint32_t handle, int *id); 1285 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1286 struct vmw_surface *srf); 1287 int vmw_surface_gb_priv_define(struct drm_device *dev, 1288 uint32_t user_accounting_size, 1289 SVGA3dSurfaceAllFlags svga3d_flags, 1290 SVGA3dSurfaceFormat format, 1291 bool for_scanout, 1292 uint32_t num_mip_levels, 1293 uint32_t multisample_count, 1294 uint32_t array_size, 1295 struct drm_vmw_size size, 1296 SVGA3dMSPattern multisample_pattern, 1297 SVGA3dMSQualityLevel quality_level, 1298 struct vmw_surface **srf_out); 1299 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1300 void *data, 1301 struct drm_file *file_priv); 1302 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1303 void *data, 1304 struct drm_file *file_priv); 1305 1306 /* 1307 * Shader management - vmwgfx_shader.c 1308 */ 1309 1310 extern const struct vmw_user_resource_conv *user_shader_converter; 1311 1312 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1313 struct drm_file *file_priv); 1314 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1315 struct drm_file *file_priv); 1316 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1317 struct vmw_cmdbuf_res_manager *man, 1318 u32 user_key, const void *bytecode, 1319 SVGA3dShaderType shader_type, 1320 size_t size, 1321 struct list_head *list); 1322 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1323 u32 user_key, SVGA3dShaderType shader_type, 1324 struct list_head *list); 1325 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1326 struct vmw_resource *ctx, 1327 u32 user_key, 1328 SVGA3dShaderType shader_type, 1329 struct list_head *list); 1330 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1331 struct list_head *list, 1332 bool readback); 1333 1334 extern struct vmw_resource * 1335 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1336 u32 user_key, SVGA3dShaderType shader_type); 1337 1338 /* 1339 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1340 */ 1341 1342 extern struct vmw_cmdbuf_res_manager * 1343 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1344 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1345 extern size_t vmw_cmdbuf_res_man_size(void); 1346 extern struct vmw_resource * 1347 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1348 enum vmw_cmdbuf_res_type res_type, 1349 u32 user_key); 1350 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1351 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1352 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1353 enum vmw_cmdbuf_res_type res_type, 1354 u32 user_key, 1355 struct vmw_resource *res, 1356 struct list_head *list); 1357 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1358 enum vmw_cmdbuf_res_type res_type, 1359 u32 user_key, 1360 struct list_head *list, 1361 struct vmw_resource **res); 1362 1363 /* 1364 * COTable management - vmwgfx_cotable.c 1365 */ 1366 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1367 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1368 struct vmw_resource *ctx, 1369 u32 type); 1370 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1371 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1372 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1373 struct list_head *head); 1374 1375 /* 1376 * Command buffer managerment vmwgfx_cmdbuf.c 1377 */ 1378 struct vmw_cmdbuf_man; 1379 struct vmw_cmdbuf_header; 1380 1381 extern struct vmw_cmdbuf_man * 1382 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1383 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1384 size_t size, size_t default_size); 1385 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1386 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1387 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1388 unsigned long timeout); 1389 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1390 int ctx_id, bool interruptible, 1391 struct vmw_cmdbuf_header *header); 1392 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1393 struct vmw_cmdbuf_header *header, 1394 bool flush); 1395 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1396 size_t size, bool interruptible, 1397 struct vmw_cmdbuf_header **p_header); 1398 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1399 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1400 bool interruptible); 1401 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1402 1403 /* CPU blit utilities - vmwgfx_blit.c */ 1404 1405 /** 1406 * struct vmw_diff_cpy - CPU blit information structure 1407 * 1408 * @rect: The output bounding box rectangle. 1409 * @line: The current line of the blit. 1410 * @line_offset: Offset of the current line segment. 1411 * @cpp: Bytes per pixel (granularity information). 1412 * @memcpy: Which memcpy function to use. 1413 */ 1414 struct vmw_diff_cpy { 1415 struct drm_rect rect; 1416 size_t line; 1417 size_t line_offset; 1418 int cpp; 1419 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1420 size_t n); 1421 }; 1422 1423 #define VMW_CPU_BLIT_INITIALIZER { \ 1424 .do_cpy = vmw_memcpy, \ 1425 } 1426 1427 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1428 .line = 0, \ 1429 .line_offset = 0, \ 1430 .rect = { .x1 = INT_MAX/2, \ 1431 .y1 = INT_MAX/2, \ 1432 .x2 = INT_MIN/2, \ 1433 .y2 = INT_MIN/2 \ 1434 }, \ 1435 .cpp = _cpp, \ 1436 .do_cpy = vmw_diff_memcpy, \ 1437 } 1438 1439 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1440 size_t n); 1441 1442 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1443 1444 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1445 u32 dst_offset, u32 dst_stride, 1446 struct ttm_buffer_object *src, 1447 u32 src_offset, u32 src_stride, 1448 u32 w, u32 h, 1449 struct vmw_diff_cpy *diff); 1450 1451 /* Host messaging -vmwgfx_msg.c: */ 1452 int vmw_host_get_guestinfo(const char *guest_info_param, 1453 char *buffer, size_t *length); 1454 int vmw_host_log(const char *log); 1455 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1456 struct drm_file *file_priv); 1457 1458 /* VMW logging */ 1459 1460 /** 1461 * VMW_DEBUG_USER - Debug output for user-space debugging. 1462 * 1463 * @fmt: printf() like format string. 1464 * 1465 * This macro is for logging user-space error and debugging messages for e.g. 1466 * command buffer execution errors due to malformed commands, invalid context, 1467 * etc. 1468 */ 1469 #define VMW_DEBUG_USER(fmt, ...) \ 1470 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1471 1472 /* Resource dirtying - vmwgfx_page_dirty.c */ 1473 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1474 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1475 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1476 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1477 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1478 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1479 pgoff_t start, pgoff_t end); 1480 #ifdef __NetBSD__ 1481 struct uvm_fault_info; 1482 struct vm_page; 1483 int vmw_bo_vm_fault(struct uvm_fault_info *, vaddr_t, struct vm_page **, 1484 int, int, vm_prot_t, int); 1485 int vmw_bo_vm_mkwrite(struct uvm_fault_info *, vaddr_t, struct vm_page **, 1486 int, int, vm_prot_t, int); 1487 #else 1488 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1489 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1490 #endif 1491 1492 /** 1493 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1494 * 1495 * This macro is for debugging vmwgfx mode-setting code. 1496 */ 1497 #define VMW_DEBUG_KMS(fmt, ...) \ 1498 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1499 1500 /** 1501 * Inline helper functions 1502 */ 1503 1504 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1505 { 1506 struct vmw_surface *tmp_srf = *srf; 1507 struct vmw_resource *res = &tmp_srf->res; 1508 *srf = NULL; 1509 1510 vmw_resource_unreference(&res); 1511 } 1512 1513 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1514 { 1515 (void) vmw_resource_reference(&srf->res); 1516 return srf; 1517 } 1518 1519 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1520 { 1521 struct vmw_buffer_object *tmp_buf = *buf; 1522 1523 *buf = NULL; 1524 if (tmp_buf != NULL) { 1525 ttm_bo_put(&tmp_buf->base); 1526 } 1527 } 1528 1529 static inline struct vmw_buffer_object * 1530 vmw_bo_reference(struct vmw_buffer_object *buf) 1531 { 1532 ttm_bo_get(&buf->base); 1533 return buf; 1534 } 1535 1536 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1537 { 1538 return &ttm_mem_glob; 1539 } 1540 1541 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1542 { 1543 atomic_inc(&dev_priv->num_fifo_resources); 1544 } 1545 1546 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1547 { 1548 atomic_dec(&dev_priv->num_fifo_resources); 1549 } 1550 1551 /** 1552 * vmw_mmio_read - Perform a MMIO read from volatile memory 1553 * 1554 * @addr: The address to read from 1555 * 1556 * This function is intended to be equivalent to ioread32() on 1557 * memremap'd memory, but without byteswapping. 1558 */ 1559 static inline u32 vmw_mmio_read(u32 *addr) 1560 { 1561 return READ_ONCE(*addr); 1562 } 1563 1564 /** 1565 * vmw_mmio_write - Perform a MMIO write to volatile memory 1566 * 1567 * @addr: The address to write to 1568 * 1569 * This function is intended to be equivalent to iowrite32 on 1570 * memremap'd memory, but without byteswapping. 1571 */ 1572 static inline void vmw_mmio_write(u32 value, u32 *addr) 1573 { 1574 WRITE_ONCE(*addr, value); 1575 } 1576 #endif 1577
Indexes created Sun Sep 21 19:09:51 GMT 2025