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