1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef _VMWGFX_DRV_H_ 29 #define _VMWGFX_DRV_H_ 30 31 #include <linux/suspend.h> 32 #include <linux/sync_file.h> 33 #include <linux/hashtable.h> 34 35 #include <drm/drm_auth.h> 36 #include <drm/drm_device.h> 37 #include <drm/drm_file.h> 38 #include <drm/drm_rect.h> 39 40 #include <drm/ttm/ttm_execbuf_util.h> 41 #include <drm/ttm/ttm_tt.h> 42 #include <drm/ttm/ttm_placement.h> 43 #include <drm/ttm/ttm_bo.h> 44 45 #include "ttm_object.h" 46 47 #include "vmwgfx_fence.h" 48 #include "vmwgfx_reg.h" 49 #include "vmwgfx_validation.h" 50 51 /* 52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 53 * uapi headers should not depend on header files outside uapi/. 54 */ 55 #include <drm/vmwgfx_drm.h> 56 57 58 #define VMWGFX_DRIVER_NAME "vmwgfx" 59 #define VMWGFX_DRIVER_DATE "20211206" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 20 62 #define VMWGFX_DRIVER_PATCHLEVEL 0 63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 64 #define VMWGFX_NUM_DISPLAY_UNITS 8 65 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 66 67 #define VMWGFX_MIN_INITIAL_WIDTH 1280 68 #define VMWGFX_MIN_INITIAL_HEIGHT 800 69 70 #define VMWGFX_PCI_ID_SVGA2 0x0405 71 #define VMWGFX_PCI_ID_SVGA3 0x0406 72 73 /* 74 * This has to match get_count_order(SVGA_IRQFLAG_MAX) 75 */ 76 #define VMWGFX_MAX_NUM_IRQS 6 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_NUM_DISPLAY_UNITS 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_MOB (TTM_PL_PRIV + 1) 94 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 95 96 #define VMW_RES_CONTEXT ttm_driver_type0 97 #define VMW_RES_SURFACE ttm_driver_type1 98 #define VMW_RES_STREAM ttm_driver_type2 99 #define VMW_RES_FENCE ttm_driver_type3 100 #define VMW_RES_SHADER ttm_driver_type4 101 #define VMW_RES_HT_ORDER 12 102 103 #define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8 104 #define VMW_CURSOR_SNOOP_WIDTH 64 105 #define VMW_CURSOR_SNOOP_HEIGHT 64 106 107 #define MKSSTAT_CAPACITY_LOG2 5U 108 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 109 110 struct vmw_fpriv { 111 struct ttm_object_file *tfile; 112 bool gb_aware; /* user-space is guest-backed aware */ 113 }; 114 115 struct vmwgfx_hash_item { 116 struct hlist_node head; 117 unsigned long key; 118 }; 119 120 121 /** 122 * struct vmw_validate_buffer - Carries validation info about buffers. 123 * 124 * @base: Validation info for TTM. 125 * @hash: Hash entry for quick lookup of the TTM buffer object. 126 * 127 * This structure contains also driver private validation info 128 * on top of the info needed by TTM. 129 */ 130 struct vmw_validate_buffer { 131 struct ttm_validate_buffer base; 132 struct vmwgfx_hash_item hash; 133 bool validate_as_mob; 134 }; 135 136 struct vmw_res_func; 137 138 139 /** 140 * struct vmw-resource - base class for hardware resources 141 * 142 * @kref: For refcounting. 143 * @dev_priv: Pointer to the device private for this resource. Immutable. 144 * @id: Device id. Protected by @dev_priv::resource_lock. 145 * @guest_memory_size: Guest memory buffer size. Immutable. 146 * @res_dirty: Resource contains data not yet in the guest memory buffer. 147 * Protected by resource reserved. 148 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW 149 * resource. Protected by resource reserved. 150 * @coherent: Emulate coherency by tracking vm accesses. 151 * @guest_memory_bo: The guest memory buffer if any. Protected by resource 152 * reserved. 153 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected 154 * by resource reserved. Note that only a few resource types can have a 155 * @guest_memory_offset different from zero. 156 * @pin_count: The pin count for this resource. A pinned resource has a 157 * pin-count greater than zero. It is not on the resource LRU lists and its 158 * guest memory buffer is pinned. Hence it can't be evicted. 159 * @func: Method vtable for this resource. Immutable. 160 * @mob_node; Node for the MOB guest memory rbtree. Protected by 161 * @guest_memory_bo reserved. 162 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 163 * @binding_head: List head for the context binding list. Protected by 164 * the @dev_priv::binding_mutex 165 * @res_free: The resource destructor. 166 * @hw_destroy: Callback to destroy the resource on the device, as part of 167 * resource destruction. 168 */ 169 struct vmw_bo; 170 struct vmw_bo; 171 struct vmw_resource_dirty; 172 struct vmw_resource { 173 struct kref kref; 174 struct vmw_private *dev_priv; 175 int id; 176 u32 used_prio; 177 unsigned long guest_memory_size; 178 u32 res_dirty : 1; 179 u32 guest_memory_dirty : 1; 180 u32 coherent : 1; 181 struct vmw_bo *guest_memory_bo; 182 unsigned long guest_memory_offset; 183 unsigned long pin_count; 184 const struct vmw_res_func *func; 185 struct rb_node mob_node; 186 struct list_head lru_head; 187 struct list_head binding_head; 188 struct vmw_resource_dirty *dirty; 189 void (*res_free) (struct vmw_resource *res); 190 void (*hw_destroy) (struct vmw_resource *res); 191 }; 192 193 194 /* 195 * Resources that are managed using ioctls. 196 */ 197 enum vmw_res_type { 198 vmw_res_context, 199 vmw_res_surface, 200 vmw_res_stream, 201 vmw_res_shader, 202 vmw_res_dx_context, 203 vmw_res_cotable, 204 vmw_res_view, 205 vmw_res_streamoutput, 206 vmw_res_max 207 }; 208 209 /* 210 * Resources that are managed using command streams. 211 */ 212 enum vmw_cmdbuf_res_type { 213 vmw_cmdbuf_res_shader, 214 vmw_cmdbuf_res_view, 215 vmw_cmdbuf_res_streamoutput 216 }; 217 218 struct vmw_cmdbuf_res_manager; 219 220 struct vmw_cursor_snooper { 221 size_t age; 222 uint32_t *image; 223 }; 224 225 struct vmw_framebuffer; 226 struct vmw_surface_offset; 227 228 /** 229 * struct vmw_surface_metadata - Metadata describing a surface. 230 * 231 * @flags: Device flags. 232 * @format: Surface SVGA3D_x format. 233 * @mip_levels: Mip level for each face. For GB first index is used only. 234 * @multisample_count: Sample count. 235 * @multisample_pattern: Sample patterns. 236 * @quality_level: Quality level. 237 * @autogen_filter: Filter for automatically generated mipmaps. 238 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 239 texture number of faces * array_size. This should be 0 for pre 240 SM4 device. 241 * @buffer_byte_stride: Buffer byte stride. 242 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 243 * @base_size: Surface dimension. 244 * @sizes: Array representing mip sizes. Legacy only. 245 * @scanout: Whether this surface will be used for scanout. 246 * 247 * This tracks metadata for both legacy and guest backed surface. 248 */ 249 struct vmw_surface_metadata { 250 u64 flags; 251 u32 format; 252 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 253 u32 multisample_count; 254 u32 multisample_pattern; 255 u32 quality_level; 256 u32 autogen_filter; 257 u32 array_size; 258 u32 num_sizes; 259 u32 buffer_byte_stride; 260 struct drm_vmw_size base_size; 261 struct drm_vmw_size *sizes; 262 bool scanout; 263 }; 264 265 /** 266 * struct vmw_surface: Resource structure for a surface. 267 * 268 * @res: The base resource for this surface. 269 * @metadata: Metadata for this surface resource. 270 * @snooper: Cursor data. Legacy surface only. 271 * @offsets: Legacy surface only. 272 * @view_list: List of views bound to this surface. 273 */ 274 struct vmw_surface { 275 struct vmw_resource res; 276 struct vmw_surface_metadata metadata; 277 struct vmw_cursor_snooper snooper; 278 struct vmw_surface_offset *offsets; 279 struct list_head view_list; 280 }; 281 282 struct vmw_fifo_state { 283 unsigned long reserved_size; 284 u32 *dynamic_buffer; 285 u32 *static_buffer; 286 unsigned long static_buffer_size; 287 bool using_bounce_buffer; 288 uint32_t capabilities; 289 struct mutex fifo_mutex; 290 struct rw_semaphore rwsem; 291 }; 292 293 /** 294 * struct vmw_res_cache_entry - resource information cache entry 295 * @handle: User-space handle of a resource. 296 * @res: Non-ref-counted pointer to the resource. 297 * @valid_handle: Whether the @handle member is valid. 298 * @valid: Whether the entry is valid, which also implies that the execbuf 299 * code holds a reference to the resource, and it's placed on the 300 * validation list. 301 * 302 * Used to avoid frequent repeated user-space handle lookups of the 303 * same resource. 304 */ 305 struct vmw_res_cache_entry { 306 uint32_t handle; 307 struct vmw_resource *res; 308 void *private; 309 unsigned short valid_handle; 310 unsigned short valid; 311 }; 312 313 /** 314 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 315 */ 316 enum vmw_dma_map_mode { 317 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 318 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 319 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 320 vmw_dma_map_max 321 }; 322 323 /** 324 * struct vmw_sg_table - Scatter/gather table for binding, with additional 325 * device-specific information. 326 * 327 * @sgt: Pointer to a struct sg_table with binding information 328 * @num_regions: Number of regions with device-address contiguous pages 329 */ 330 struct vmw_sg_table { 331 enum vmw_dma_map_mode mode; 332 struct page **pages; 333 const dma_addr_t *addrs; 334 struct sg_table *sgt; 335 unsigned long num_pages; 336 }; 337 338 /** 339 * struct vmw_piter - Page iterator that iterates over a list of pages 340 * and DMA addresses that could be either a scatter-gather list or 341 * arrays 342 * 343 * @pages: Array of page pointers to the pages. 344 * @addrs: DMA addresses to the pages if coherent pages are used. 345 * @iter: Scatter-gather page iterator. Current position in SG list. 346 * @i: Current position in arrays. 347 * @num_pages: Number of pages total. 348 * @next: Function to advance the iterator. Returns false if past the list 349 * of pages, true otherwise. 350 * @dma_address: Function to return the DMA address of the current page. 351 */ 352 struct vmw_piter { 353 struct page **pages; 354 const dma_addr_t *addrs; 355 struct sg_dma_page_iter iter; 356 unsigned long i; 357 unsigned long num_pages; 358 bool (*next)(struct vmw_piter *); 359 dma_addr_t (*dma_address)(struct vmw_piter *); 360 }; 361 362 363 struct vmw_ttm_tt { 364 struct ttm_tt dma_ttm; 365 struct vmw_private *dev_priv; 366 int gmr_id; 367 struct vmw_mob *mob; 368 int mem_type; 369 struct sg_table sgt; 370 struct vmw_sg_table vsgt; 371 bool mapped; 372 bool bound; 373 }; 374 375 /* 376 * enum vmw_display_unit_type - Describes the display unit 377 */ 378 enum vmw_display_unit_type { 379 vmw_du_invalid = 0, 380 vmw_du_legacy, 381 vmw_du_screen_object, 382 vmw_du_screen_target, 383 vmw_du_max 384 }; 385 386 struct vmw_validation_context; 387 struct vmw_ctx_validation_info; 388 389 /** 390 * struct vmw_sw_context - Command submission context 391 * @res_ht: Pointer hash table used to find validation duplicates 392 * @kernel: Whether the command buffer originates from kernel code rather 393 * than from user-space 394 * @fp: If @kernel is false, points to the file of the client. Otherwise 395 * NULL 396 * @cmd_bounce: Command bounce buffer used for command validation before 397 * copying to fifo space 398 * @cmd_bounce_size: Current command bounce buffer size 399 * @cur_query_bo: Current buffer object used as query result buffer 400 * @bo_relocations: List of buffer object relocations 401 * @res_relocations: List of resource relocations 402 * @buf_start: Pointer to start of memory where command validation takes 403 * place 404 * @res_cache: Cache of recently looked up resources 405 * @last_query_ctx: Last context that submitted a query 406 * @needs_post_query_barrier: Whether a query barrier is needed after 407 * command submission 408 * @staged_bindings: Cached per-context binding tracker 409 * @staged_bindings_inuse: Whether the cached per-context binding tracker 410 * is in use 411 * @staged_cmd_res: List of staged command buffer managed resources in this 412 * command buffer 413 * @ctx_list: List of context resources referenced in this command buffer 414 * @dx_ctx_node: Validation metadata of the current DX context 415 * @dx_query_mob: The MOB used for DX queries 416 * @dx_query_ctx: The DX context used for the last DX query 417 * @man: Pointer to the command buffer managed resource manager 418 * @ctx: The validation context 419 */ 420 struct vmw_sw_context{ 421 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); 422 bool kernel; 423 struct vmw_fpriv *fp; 424 struct drm_file *filp; 425 uint32_t *cmd_bounce; 426 uint32_t cmd_bounce_size; 427 struct vmw_bo *cur_query_bo; 428 struct list_head bo_relocations; 429 struct list_head res_relocations; 430 uint32_t *buf_start; 431 struct vmw_res_cache_entry res_cache[vmw_res_max]; 432 struct vmw_resource *last_query_ctx; 433 bool needs_post_query_barrier; 434 struct vmw_ctx_binding_state *staged_bindings; 435 bool staged_bindings_inuse; 436 struct list_head staged_cmd_res; 437 struct list_head ctx_list; 438 struct vmw_ctx_validation_info *dx_ctx_node; 439 struct vmw_bo *dx_query_mob; 440 struct vmw_resource *dx_query_ctx; 441 struct vmw_cmdbuf_res_manager *man; 442 struct vmw_validation_context *ctx; 443 }; 444 445 struct vmw_legacy_display; 446 struct vmw_overlay; 447 448 struct vmw_vga_topology_state { 449 uint32_t width; 450 uint32_t height; 451 uint32_t primary; 452 uint32_t pos_x; 453 uint32_t pos_y; 454 }; 455 456 457 /* 458 * struct vmw_otable - Guest Memory OBject table metadata 459 * 460 * @size: Size of the table (page-aligned). 461 * @page_table: Pointer to a struct vmw_mob holding the page table. 462 */ 463 struct vmw_otable { 464 unsigned long size; 465 struct vmw_mob *page_table; 466 bool enabled; 467 }; 468 469 struct vmw_otable_batch { 470 unsigned num_otables; 471 struct vmw_otable *otables; 472 struct vmw_resource *context; 473 struct vmw_bo *otable_bo; 474 }; 475 476 enum { 477 VMW_IRQTHREAD_FENCE, 478 VMW_IRQTHREAD_CMDBUF, 479 VMW_IRQTHREAD_MAX 480 }; 481 482 /** 483 * enum vmw_sm_type - Graphics context capability supported by device. 484 * @VMW_SM_LEGACY: Pre DX context. 485 * @VMW_SM_4: Context support upto SM4. 486 * @VMW_SM_4_1: Context support upto SM4_1. 487 * @VMW_SM_5: Context support up to SM5. 488 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 489 * @VMW_SM_MAX: Should be the last. 490 */ 491 enum vmw_sm_type { 492 VMW_SM_LEGACY = 0, 493 VMW_SM_4, 494 VMW_SM_4_1, 495 VMW_SM_5, 496 VMW_SM_5_1X, 497 VMW_SM_MAX 498 }; 499 500 struct vmw_private { 501 struct drm_device drm; 502 struct ttm_device bdev; 503 504 struct drm_vma_offset_manager vma_manager; 505 u32 pci_id; 506 resource_size_t io_start; 507 resource_size_t vram_start; 508 resource_size_t vram_size; 509 resource_size_t max_primary_mem; 510 u32 __iomem *rmmio; 511 u32 *fifo_mem; 512 resource_size_t fifo_mem_size; 513 uint32_t fb_max_width; 514 uint32_t fb_max_height; 515 uint32_t texture_max_width; 516 uint32_t texture_max_height; 517 uint32_t stdu_max_width; 518 uint32_t stdu_max_height; 519 uint32_t initial_width; 520 uint32_t initial_height; 521 uint32_t capabilities; 522 uint32_t capabilities2; 523 uint32_t max_gmr_ids; 524 uint32_t max_gmr_pages; 525 uint32_t max_mob_pages; 526 uint32_t max_mob_size; 527 uint32_t memory_size; 528 bool has_gmr; 529 bool has_mob; 530 spinlock_t hw_lock; 531 bool assume_16bpp; 532 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 533 u32 num_irq_vectors; 534 535 enum vmw_sm_type sm_type; 536 537 /* 538 * Framebuffer info. 539 */ 540 541 enum vmw_display_unit_type active_display_unit; 542 struct vmw_legacy_display *ldu_priv; 543 struct vmw_overlay *overlay_priv; 544 struct drm_property *hotplug_mode_update_property; 545 struct drm_property *implicit_placement_property; 546 spinlock_t cursor_lock; 547 struct drm_atomic_state *suspend_state; 548 549 /* 550 * Context and surface management. 551 */ 552 553 spinlock_t resource_lock; 554 struct idr res_idr[vmw_res_max]; 555 556 /* 557 * A resource manager for kernel-only surfaces and 558 * contexts. 559 */ 560 561 struct ttm_object_device *tdev; 562 563 /* 564 * Fencing and IRQs. 565 */ 566 567 atomic_t marker_seq; 568 wait_queue_head_t fence_queue; 569 wait_queue_head_t fifo_queue; 570 spinlock_t waiter_lock; 571 int fence_queue_waiters; /* Protected by waiter_lock */ 572 int goal_queue_waiters; /* Protected by waiter_lock */ 573 int cmdbuf_waiters; /* Protected by waiter_lock */ 574 int error_waiters; /* Protected by waiter_lock */ 575 int fifo_queue_waiters; /* Protected by waiter_lock */ 576 uint32_t last_read_seqno; 577 struct vmw_fence_manager *fman; 578 uint32_t irq_mask; /* Updates protected by waiter_lock */ 579 580 /* 581 * Device state 582 */ 583 584 uint32_t traces_state; 585 uint32_t enable_state; 586 uint32_t config_done_state; 587 588 /** 589 * Execbuf 590 */ 591 /** 592 * Protected by the cmdbuf mutex. 593 */ 594 595 struct vmw_sw_context ctx; 596 struct mutex cmdbuf_mutex; 597 struct mutex binding_mutex; 598 599 /** 600 * PM management. 601 */ 602 struct notifier_block pm_nb; 603 bool refuse_hibernation; 604 bool suspend_locked; 605 606 atomic_t num_fifo_resources; 607 608 /* 609 * Query processing. These members 610 * are protected by the cmdbuf mutex. 611 */ 612 613 struct vmw_bo *dummy_query_bo; 614 struct vmw_bo *pinned_bo; 615 uint32_t query_cid; 616 uint32_t query_cid_valid; 617 bool dummy_query_bo_pinned; 618 619 /* 620 * Surface swapping. The "surface_lru" list is protected by the 621 * resource lock in order to be able to destroy a surface and take 622 * it off the lru atomically. "used_memory_size" is currently 623 * protected by the cmdbuf mutex for simplicity. 624 */ 625 626 struct list_head res_lru[vmw_res_max]; 627 uint32_t used_memory_size; 628 629 /* 630 * DMA mapping stuff. 631 */ 632 enum vmw_dma_map_mode map_mode; 633 634 /* 635 * Guest Backed stuff 636 */ 637 struct vmw_otable_batch otable_batch; 638 639 struct vmw_fifo_state *fifo; 640 struct vmw_cmdbuf_man *cman; 641 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 642 643 uint32 *devcaps; 644 645 /* 646 * mksGuestStat instance-descriptor and pid arrays 647 */ 648 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 649 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 650 651 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 652 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 653 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 654 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 655 #endif 656 }; 657 658 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 659 { 660 return container_of(res, struct vmw_surface, res); 661 } 662 663 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 664 { 665 return (struct vmw_private *)dev->dev_private; 666 } 667 668 static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev) 669 { 670 return container_of(bdev, struct vmw_private, bdev); 671 } 672 673 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 674 { 675 return (struct vmw_fpriv *)file_priv->driver_priv; 676 } 677 678 /* 679 * SVGA v3 has mmio register access and lacks fifo cmds 680 */ 681 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 682 { 683 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 684 } 685 686 /* 687 * The locking here is fine-grained, so that it is performed once 688 * for every read- and write operation. This is of course costly, but we 689 * don't perform much register access in the timing critical paths anyway. 690 * Instead we have the extra benefit of being sure that we don't forget 691 * the hw lock around register accesses. 692 */ 693 static inline void vmw_write(struct vmw_private *dev_priv, 694 unsigned int offset, uint32_t value) 695 { 696 if (vmw_is_svga_v3(dev_priv)) { 697 iowrite32(value, dev_priv->rmmio + offset); 698 } else { 699 spin_lock(&dev_priv->hw_lock); 700 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 701 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 702 spin_unlock(&dev_priv->hw_lock); 703 } 704 } 705 706 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 707 unsigned int offset) 708 { 709 u32 val; 710 711 if (vmw_is_svga_v3(dev_priv)) { 712 val = ioread32(dev_priv->rmmio + offset); 713 } else { 714 spin_lock(&dev_priv->hw_lock); 715 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 716 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 717 spin_unlock(&dev_priv->hw_lock); 718 } 719 720 return val; 721 } 722 723 /** 724 * has_sm4_context - Does the device support SM4 context. 725 * @dev_priv: Device private. 726 * 727 * Return: Bool value if device support SM4 context or not. 728 */ 729 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 730 { 731 return (dev_priv->sm_type >= VMW_SM_4); 732 } 733 734 /** 735 * has_sm4_1_context - Does the device support SM4_1 context. 736 * @dev_priv: Device private. 737 * 738 * Return: Bool value if device support SM4_1 context or not. 739 */ 740 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 741 { 742 return (dev_priv->sm_type >= VMW_SM_4_1); 743 } 744 745 /** 746 * has_sm5_context - Does the device support SM5 context. 747 * @dev_priv: Device private. 748 * 749 * Return: Bool value if device support SM5 context or not. 750 */ 751 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 752 { 753 return (dev_priv->sm_type >= VMW_SM_5); 754 } 755 756 /** 757 * has_gl43_context - Does the device support GL43 context. 758 * @dev_priv: Device private. 759 * 760 * Return: Bool value if device support SM5 context or not. 761 */ 762 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 763 { 764 return (dev_priv->sm_type >= VMW_SM_5_1X); 765 } 766 767 768 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 769 { 770 return (has_gl43_context(dev_priv) ? 771 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 772 } 773 774 extern void vmw_svga_enable(struct vmw_private *dev_priv); 775 extern void vmw_svga_disable(struct vmw_private *dev_priv); 776 bool vmwgfx_supported(struct vmw_private *vmw); 777 778 779 /** 780 * GMR utilities - vmwgfx_gmr.c 781 */ 782 783 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 784 const struct vmw_sg_table *vsgt, 785 unsigned long num_pages, 786 int gmr_id); 787 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 788 789 /** 790 * Resource utilities - vmwgfx_resource.c 791 */ 792 struct vmw_user_resource_conv; 793 794 extern void vmw_resource_unreference(struct vmw_resource **p_res); 795 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 796 extern struct vmw_resource * 797 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 798 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 799 bool dirtying); 800 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 801 bool no_backup); 802 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 803 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 804 struct drm_file *filp, 805 uint32_t handle, 806 struct vmw_surface **out_surf, 807 struct vmw_bo **out_buf); 808 extern int vmw_user_resource_lookup_handle( 809 struct vmw_private *dev_priv, 810 struct ttm_object_file *tfile, 811 uint32_t handle, 812 const struct vmw_user_resource_conv *converter, 813 struct vmw_resource **p_res); 814 815 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 816 struct drm_file *file_priv); 817 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 818 struct drm_file *file_priv); 819 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 820 struct ttm_object_file *tfile, 821 uint32_t *inout_id, 822 struct vmw_resource **out); 823 extern void vmw_resource_unreserve(struct vmw_resource *res, 824 bool dirty_set, 825 bool dirty, 826 bool switch_guest_memory, 827 struct vmw_bo *new_guest_memory, 828 unsigned long new_guest_memory_offset); 829 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 830 struct ttm_resource *old_mem, 831 struct ttm_resource *new_mem); 832 int vmw_query_readback_all(struct vmw_bo *dx_query_mob); 833 void vmw_resource_evict_all(struct vmw_private *dev_priv); 834 void vmw_resource_unbind_list(struct vmw_bo *vbo); 835 void vmw_resource_mob_attach(struct vmw_resource *res); 836 void vmw_resource_mob_detach(struct vmw_resource *res); 837 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 838 pgoff_t end); 839 int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start, 840 pgoff_t end, pgoff_t *num_prefault); 841 842 /** 843 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 844 * @res: The resource 845 * 846 * Return: true if the resource has a mob attached, false otherwise. 847 */ 848 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 849 { 850 return !RB_EMPTY_NODE(&res->mob_node); 851 } 852 853 /** 854 * GEM related functionality - vmwgfx_gem.c 855 */ 856 struct vmw_bo_params; 857 int vmw_gem_object_create(struct vmw_private *vmw, 858 struct vmw_bo_params *params, 859 struct vmw_bo **p_vbo); 860 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 861 struct drm_file *filp, 862 uint32_t size, 863 uint32_t *handle, 864 struct vmw_bo **p_vbo); 865 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *filp); 867 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 868 869 /** 870 * Misc Ioctl functionality - vmwgfx_ioctl.c 871 */ 872 873 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 874 struct drm_file *file_priv); 875 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 876 struct drm_file *file_priv); 877 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 878 struct drm_file *file_priv); 879 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 880 struct drm_file *file_priv); 881 882 /** 883 * Fifo utilities - vmwgfx_fifo.c 884 */ 885 886 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 887 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 888 extern bool vmw_cmd_supported(struct vmw_private *vmw); 889 extern void * 890 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 891 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 892 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 893 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 894 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 895 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 896 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 897 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 898 uint32_t cid); 899 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 900 bool interruptible); 901 902 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 903 ({ \ 904 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 905 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 906 __func__, (unsigned int) __bytes); \ 907 NULL; \ 908 }); \ 909 }) 910 911 #define VMW_CMD_RESERVE(__priv, __bytes) \ 912 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 913 914 915 /** 916 * vmw_fifo_caps - Returns the capabilities of the FIFO command 917 * queue or 0 if fifo memory isn't present. 918 * @dev_priv: The device private context 919 */ 920 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 921 { 922 if (!dev_priv->fifo_mem || !dev_priv->fifo) 923 return 0; 924 return dev_priv->fifo->capabilities; 925 } 926 927 928 /** 929 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 930 * is enabled in the FIFO. 931 * @dev_priv: The device private context 932 */ 933 static inline bool 934 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 935 { 936 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 937 } 938 939 /** 940 * TTM buffer object driver - vmwgfx_ttm_buffer.c 941 */ 942 943 extern const size_t vmw_tt_size; 944 extern struct ttm_placement vmw_vram_placement; 945 extern struct ttm_placement vmw_vram_gmr_placement; 946 extern struct ttm_placement vmw_sys_placement; 947 extern struct ttm_device_funcs vmw_bo_driver; 948 extern const struct vmw_sg_table * 949 vmw_bo_sg_table(struct ttm_buffer_object *bo); 950 int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 951 size_t bo_size, 952 u32 domain, 953 struct vmw_bo **bo_p); 954 955 extern void vmw_piter_start(struct vmw_piter *viter, 956 const struct vmw_sg_table *vsgt, 957 unsigned long p_offs); 958 959 /** 960 * vmw_piter_next - Advance the iterator one page. 961 * 962 * @viter: Pointer to the iterator to advance. 963 * 964 * Returns false if past the list of pages, true otherwise. 965 */ 966 static inline bool vmw_piter_next(struct vmw_piter *viter) 967 { 968 return viter->next(viter); 969 } 970 971 /** 972 * vmw_piter_dma_addr - Return the DMA address of the current page. 973 * 974 * @viter: Pointer to the iterator 975 * 976 * Returns the DMA address of the page pointed to by @viter. 977 */ 978 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 979 { 980 return viter->dma_address(viter); 981 } 982 983 /** 984 * vmw_piter_page - Return a pointer to the current page. 985 * 986 * @viter: Pointer to the iterator 987 * 988 * Returns the DMA address of the page pointed to by @viter. 989 */ 990 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 991 { 992 return viter->pages[viter->i]; 993 } 994 995 /** 996 * Command submission - vmwgfx_execbuf.c 997 */ 998 999 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1000 struct drm_file *file_priv); 1001 extern int vmw_execbuf_process(struct drm_file *file_priv, 1002 struct vmw_private *dev_priv, 1003 void __user *user_commands, 1004 void *kernel_commands, 1005 uint32_t command_size, 1006 uint64_t throttle_us, 1007 uint32_t dx_context_handle, 1008 struct drm_vmw_fence_rep __user 1009 *user_fence_rep, 1010 struct vmw_fence_obj **out_fence, 1011 uint32_t flags); 1012 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1013 struct vmw_fence_obj *fence); 1014 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1015 1016 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1017 struct vmw_private *dev_priv, 1018 struct vmw_fence_obj **p_fence, 1019 uint32_t *p_handle); 1020 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1021 struct vmw_fpriv *vmw_fp, 1022 int ret, 1023 struct drm_vmw_fence_rep __user 1024 *user_fence_rep, 1025 struct vmw_fence_obj *fence, 1026 uint32_t fence_handle, 1027 int32_t out_fence_fd); 1028 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1029 1030 /** 1031 * IRQs and wating - vmwgfx_irq.c 1032 */ 1033 1034 extern int vmw_irq_install(struct vmw_private *dev_priv); 1035 extern void vmw_irq_uninstall(struct drm_device *dev); 1036 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1037 uint32_t seqno); 1038 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1039 bool lazy, 1040 bool fifo_idle, 1041 uint32_t seqno, 1042 bool interruptible, 1043 unsigned long timeout); 1044 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1045 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1046 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1047 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1048 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1049 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1050 int *waiter_count); 1051 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1052 u32 flag, int *waiter_count); 1053 1054 /** 1055 * Kernel modesetting - vmwgfx_kms.c 1056 */ 1057 1058 int vmw_kms_init(struct vmw_private *dev_priv); 1059 int vmw_kms_close(struct vmw_private *dev_priv); 1060 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1061 struct drm_file *file_priv); 1062 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1063 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1064 struct ttm_object_file *tfile, 1065 struct ttm_buffer_object *bo, 1066 SVGA3dCmdHeader *header); 1067 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1068 unsigned width, unsigned height, unsigned pitch, 1069 unsigned bpp, unsigned depth); 1070 int vmw_kms_present(struct vmw_private *dev_priv, 1071 struct drm_file *file_priv, 1072 struct vmw_framebuffer *vfb, 1073 struct vmw_surface *surface, 1074 uint32_t sid, int32_t destX, int32_t destY, 1075 struct drm_vmw_rect *clips, 1076 uint32_t num_clips); 1077 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1078 struct drm_file *file_priv); 1079 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1080 int vmw_kms_suspend(struct drm_device *dev); 1081 int vmw_kms_resume(struct drm_device *dev); 1082 void vmw_kms_lost_device(struct drm_device *dev); 1083 1084 int vmw_dumb_create(struct drm_file *file_priv, 1085 struct drm_device *dev, 1086 struct drm_mode_create_dumb *args); 1087 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1088 extern void vmw_resource_unpin(struct vmw_resource *res); 1089 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1090 1091 /** 1092 * Overlay control - vmwgfx_overlay.c 1093 */ 1094 1095 int vmw_overlay_init(struct vmw_private *dev_priv); 1096 int vmw_overlay_close(struct vmw_private *dev_priv); 1097 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1098 struct drm_file *file_priv); 1099 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1100 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1101 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1102 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1103 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1104 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1105 1106 /** 1107 * GMR Id manager 1108 */ 1109 1110 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1111 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1112 1113 /** 1114 * System memory manager 1115 */ 1116 int vmw_sys_man_init(struct vmw_private *dev_priv); 1117 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1118 1119 /** 1120 * Prime - vmwgfx_prime.c 1121 */ 1122 1123 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1124 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1125 struct drm_file *file_priv, 1126 int fd, u32 *handle); 1127 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1128 struct drm_file *file_priv, 1129 uint32_t handle, uint32_t flags, 1130 int *prime_fd); 1131 struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev, 1132 struct dma_buf_attachment *attach, 1133 struct sg_table *table); 1134 1135 /* 1136 * MemoryOBject management - vmwgfx_mob.c 1137 */ 1138 struct vmw_mob; 1139 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1140 const struct vmw_sg_table *vsgt, 1141 unsigned long num_data_pages, int32_t mob_id); 1142 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1143 struct vmw_mob *mob); 1144 extern void vmw_mob_destroy(struct vmw_mob *mob); 1145 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1146 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1147 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1148 1149 /* 1150 * Context management - vmwgfx_context.c 1151 */ 1152 1153 extern const struct vmw_user_resource_conv *user_context_converter; 1154 1155 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1156 struct drm_file *file_priv); 1157 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1162 extern struct vmw_cmdbuf_res_manager * 1163 vmw_context_res_man(struct vmw_resource *ctx); 1164 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1165 SVGACOTableType cotable_type); 1166 struct vmw_ctx_binding_state; 1167 extern struct vmw_ctx_binding_state * 1168 vmw_context_binding_state(struct vmw_resource *ctx); 1169 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1170 bool readback); 1171 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1172 struct vmw_bo *mob); 1173 extern struct vmw_bo * 1174 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1175 1176 1177 /* 1178 * Surface management - vmwgfx_surface.c 1179 */ 1180 1181 extern const struct vmw_user_resource_conv *user_surface_converter; 1182 1183 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1184 struct drm_file *file_priv); 1185 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1188 struct drm_file *file_priv); 1189 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1192 struct drm_file *file_priv); 1193 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1194 void *data, 1195 struct drm_file *file_priv); 1196 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1197 void *data, 1198 struct drm_file *file_priv); 1199 1200 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1201 const struct vmw_surface_metadata *req, 1202 struct vmw_surface **srf_out); 1203 1204 /* 1205 * Shader management - vmwgfx_shader.c 1206 */ 1207 1208 extern const struct vmw_user_resource_conv *user_shader_converter; 1209 1210 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1211 struct drm_file *file_priv); 1212 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1215 struct vmw_cmdbuf_res_manager *man, 1216 u32 user_key, const void *bytecode, 1217 SVGA3dShaderType shader_type, 1218 size_t size, 1219 struct list_head *list); 1220 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1221 u32 user_key, SVGA3dShaderType shader_type, 1222 struct list_head *list); 1223 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1224 struct vmw_resource *ctx, 1225 u32 user_key, 1226 SVGA3dShaderType shader_type, 1227 struct list_head *list); 1228 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1229 struct list_head *list, 1230 bool readback); 1231 1232 extern struct vmw_resource * 1233 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1234 u32 user_key, SVGA3dShaderType shader_type); 1235 1236 /* 1237 * Streamoutput management 1238 */ 1239 struct vmw_resource * 1240 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1241 u32 user_key); 1242 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1243 struct vmw_resource *ctx, 1244 SVGA3dStreamOutputId user_key, 1245 struct list_head *list); 1246 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1247 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1248 SVGA3dStreamOutputId user_key, 1249 struct list_head *list); 1250 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1251 struct list_head *list, 1252 bool readback); 1253 1254 /* 1255 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1256 */ 1257 1258 extern struct vmw_cmdbuf_res_manager * 1259 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1260 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1261 extern struct vmw_resource * 1262 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1263 enum vmw_cmdbuf_res_type res_type, 1264 u32 user_key); 1265 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1266 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1267 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1268 enum vmw_cmdbuf_res_type res_type, 1269 u32 user_key, 1270 struct vmw_resource *res, 1271 struct list_head *list); 1272 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1273 enum vmw_cmdbuf_res_type res_type, 1274 u32 user_key, 1275 struct list_head *list, 1276 struct vmw_resource **res); 1277 1278 /* 1279 * COTable management - vmwgfx_cotable.c 1280 */ 1281 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1282 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1283 struct vmw_resource *ctx, 1284 u32 type); 1285 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1286 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1287 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1288 struct list_head *head); 1289 1290 /* 1291 * Command buffer managerment vmwgfx_cmdbuf.c 1292 */ 1293 struct vmw_cmdbuf_man; 1294 struct vmw_cmdbuf_header; 1295 1296 extern struct vmw_cmdbuf_man * 1297 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1298 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1299 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1300 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1301 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1302 unsigned long timeout); 1303 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1304 int ctx_id, bool interruptible, 1305 struct vmw_cmdbuf_header *header); 1306 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1307 struct vmw_cmdbuf_header *header, 1308 bool flush); 1309 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1310 size_t size, bool interruptible, 1311 struct vmw_cmdbuf_header **p_header); 1312 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1313 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1314 bool interruptible); 1315 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1316 1317 /* CPU blit utilities - vmwgfx_blit.c */ 1318 1319 /** 1320 * struct vmw_diff_cpy - CPU blit information structure 1321 * 1322 * @rect: The output bounding box rectangle. 1323 * @line: The current line of the blit. 1324 * @line_offset: Offset of the current line segment. 1325 * @cpp: Bytes per pixel (granularity information). 1326 * @memcpy: Which memcpy function to use. 1327 */ 1328 struct vmw_diff_cpy { 1329 struct drm_rect rect; 1330 size_t line; 1331 size_t line_offset; 1332 int cpp; 1333 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1334 size_t n); 1335 }; 1336 1337 #define VMW_CPU_BLIT_INITIALIZER { \ 1338 .do_cpy = vmw_memcpy, \ 1339 } 1340 1341 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1342 .line = 0, \ 1343 .line_offset = 0, \ 1344 .rect = { .x1 = INT_MAX/2, \ 1345 .y1 = INT_MAX/2, \ 1346 .x2 = INT_MIN/2, \ 1347 .y2 = INT_MIN/2 \ 1348 }, \ 1349 .cpp = _cpp, \ 1350 .do_cpy = vmw_diff_memcpy, \ 1351 } 1352 1353 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1354 size_t n); 1355 1356 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1357 1358 int vmw_bo_cpu_blit(struct vmw_bo *dst, 1359 u32 dst_offset, u32 dst_stride, 1360 struct vmw_bo *src, 1361 u32 src_offset, u32 src_stride, 1362 u32 w, u32 h, 1363 struct vmw_diff_cpy *diff); 1364 1365 /* Host messaging -vmwgfx_msg.c: */ 1366 void vmw_disable_backdoor(void); 1367 int vmw_host_get_guestinfo(const char *guest_info_param, 1368 char *buffer, size_t *length); 1369 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1370 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1371 struct drm_file *file_priv); 1372 1373 /* Host mksGuestStats -vmwgfx_msg.c: */ 1374 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1375 1376 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1377 struct drm_file *file_priv); 1378 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1379 struct drm_file *file_priv); 1380 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1381 struct drm_file *file_priv); 1382 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1383 1384 /* VMW logging */ 1385 1386 /** 1387 * VMW_DEBUG_USER - Debug output for user-space debugging. 1388 * 1389 * @fmt: printf() like format string. 1390 * 1391 * This macro is for logging user-space error and debugging messages for e.g. 1392 * command buffer execution errors due to malformed commands, invalid context, 1393 * etc. 1394 */ 1395 #define VMW_DEBUG_USER(fmt, ...) \ 1396 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1397 1398 /* Resource dirtying - vmwgfx_page_dirty.c */ 1399 void vmw_bo_dirty_scan(struct vmw_bo *vbo); 1400 int vmw_bo_dirty_add(struct vmw_bo *vbo); 1401 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1402 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1403 void vmw_bo_dirty_release(struct vmw_bo *vbo); 1404 void vmw_bo_dirty_unmap(struct vmw_bo *vbo, 1405 pgoff_t start, pgoff_t end); 1406 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1407 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1408 1409 1410 /** 1411 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1412 * 1413 * This macro is for debugging vmwgfx mode-setting code. 1414 */ 1415 #define VMW_DEBUG_KMS(fmt, ...) \ 1416 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1417 1418 /** 1419 * Inline helper functions 1420 */ 1421 1422 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1423 { 1424 struct vmw_surface *tmp_srf = *srf; 1425 struct vmw_resource *res = &tmp_srf->res; 1426 *srf = NULL; 1427 1428 vmw_resource_unreference(&res); 1429 } 1430 1431 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1432 { 1433 (void) vmw_resource_reference(&srf->res); 1434 return srf; 1435 } 1436 1437 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1438 { 1439 atomic_inc(&dev_priv->num_fifo_resources); 1440 } 1441 1442 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1443 { 1444 atomic_dec(&dev_priv->num_fifo_resources); 1445 } 1446 1447 /** 1448 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1449 * 1450 * @fifo_reg: The fifo register to read from 1451 * 1452 * This function is intended to be equivalent to ioread32() on 1453 * memremap'd memory, but without byteswapping. 1454 */ 1455 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1456 { 1457 BUG_ON(vmw_is_svga_v3(vmw)); 1458 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1459 } 1460 1461 /** 1462 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1463 * 1464 * @addr: The fifo register to write to 1465 * 1466 * This function is intended to be equivalent to iowrite32 on 1467 * memremap'd memory, but without byteswapping. 1468 */ 1469 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1470 u32 value) 1471 { 1472 BUG_ON(vmw_is_svga_v3(vmw)); 1473 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1474 } 1475 1476 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1477 { 1478 u32 fence; 1479 if (vmw_is_svga_v3(dev_priv)) 1480 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1481 else 1482 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1483 return fence; 1484 } 1485 1486 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1487 u32 fence) 1488 { 1489 BUG_ON(vmw_is_svga_v3(dev_priv)); 1490 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1491 } 1492 1493 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1494 { 1495 u32 status; 1496 if (vmw_is_svga_v3(vmw)) 1497 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1498 else 1499 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1500 return status; 1501 } 1502 1503 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1504 uint32 status) 1505 { 1506 if (vmw_is_svga_v3(vmw)) 1507 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1508 else 1509 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1510 } 1511 1512 static inline bool vmw_has_fences(struct vmw_private *vmw) 1513 { 1514 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1515 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1516 return true; 1517 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1518 } 1519 1520 static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, 1521 u32 shader_type) 1522 { 1523 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; 1524 1525 if (shader_model >= VMW_SM_5) 1526 max_allowed = SVGA3D_SHADERTYPE_MAX; 1527 else if (shader_model >= VMW_SM_4) 1528 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; 1529 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; 1530 } 1531 1532 #endif 1533