1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sub license, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial portions 17 * of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 22 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 23 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 24 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 25 * USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 **************************************************************************/ 28 29 #ifndef _VMWGFX_DRV_H_ 30 #define _VMWGFX_DRV_H_ 31 32 #include <linux/suspend.h> 33 #include <linux/sync_file.h> 34 #include <linux/hashtable.h> 35 36 #include <drm/drm_auth.h> 37 #include <drm/drm_device.h> 38 #include <drm/drm_file.h> 39 #include <drm/drm_rect.h> 40 41 #include <drm/ttm/ttm_execbuf_util.h> 42 #include <drm/ttm/ttm_tt.h> 43 #include <drm/ttm/ttm_placement.h> 44 #include <drm/ttm/ttm_bo.h> 45 46 #include "ttm_object.h" 47 48 #include "vmwgfx_fence.h" 49 #include "vmwgfx_reg.h" 50 #include "vmwgfx_validation.h" 51 52 /* 53 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 54 * uapi headers should not depend on header files outside uapi/. 55 */ 56 #include <drm/vmwgfx_drm.h> 57 58 59 #define VMWGFX_DRIVER_NAME "vmwgfx" 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 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 container_of(dev, struct vmw_private, drm); 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 * User handles 767 */ 768 struct vmw_user_object { 769 struct vmw_surface *surface; 770 struct vmw_bo *buffer; 771 }; 772 773 int vmw_user_object_lookup(struct vmw_private *dev_priv, struct drm_file *filp, 774 u32 handle, struct vmw_user_object *uo); 775 struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo); 776 void vmw_user_object_unref(struct vmw_user_object *uo); 777 bool vmw_user_object_is_null(struct vmw_user_object *uo); 778 struct vmw_surface *vmw_user_object_surface(struct vmw_user_object *uo); 779 struct vmw_bo *vmw_user_object_buffer(struct vmw_user_object *uo); 780 void *vmw_user_object_map(struct vmw_user_object *uo); 781 void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size); 782 void vmw_user_object_unmap(struct vmw_user_object *uo); 783 bool vmw_user_object_is_mapped(struct vmw_user_object *uo); 784 785 /** 786 * Resource utilities - vmwgfx_resource.c 787 */ 788 struct vmw_user_resource_conv; 789 790 extern void vmw_resource_unreference(struct vmw_resource **p_res); 791 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 792 extern struct vmw_resource * 793 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 794 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 795 bool dirtying); 796 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 797 bool no_backup); 798 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 799 extern int vmw_user_resource_lookup_handle( 800 struct vmw_private *dev_priv, 801 struct ttm_object_file *tfile, 802 uint32_t handle, 803 const struct vmw_user_resource_conv *converter, 804 struct vmw_resource **p_res); 805 806 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 807 struct drm_file *file_priv); 808 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 809 struct drm_file *file_priv); 810 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 811 struct ttm_object_file *tfile, 812 uint32_t *inout_id, 813 struct vmw_resource **out); 814 extern void vmw_resource_unreserve(struct vmw_resource *res, 815 bool dirty_set, 816 bool dirty, 817 bool switch_guest_memory, 818 struct vmw_bo *new_guest_memory, 819 unsigned long new_guest_memory_offset); 820 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 821 struct ttm_resource *old_mem, 822 struct ttm_resource *new_mem); 823 int vmw_query_readback_all(struct vmw_bo *dx_query_mob); 824 void vmw_resource_evict_all(struct vmw_private *dev_priv); 825 void vmw_resource_unbind_list(struct vmw_bo *vbo); 826 void vmw_resource_mob_attach(struct vmw_resource *res); 827 void vmw_resource_mob_detach(struct vmw_resource *res); 828 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 829 pgoff_t end); 830 int vmw_resource_clean(struct vmw_resource *res); 831 int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start, 832 pgoff_t end, pgoff_t *num_prefault); 833 834 /** 835 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 836 * @res: The resource 837 * 838 * Return: true if the resource has a mob attached, false otherwise. 839 */ 840 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 841 { 842 return !RB_EMPTY_NODE(&res->mob_node); 843 } 844 845 /** 846 * GEM related functionality - vmwgfx_gem.c 847 */ 848 struct vmw_bo_params; 849 int vmw_gem_object_create(struct vmw_private *vmw, 850 struct vmw_bo_params *params, 851 struct vmw_bo **p_vbo); 852 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 853 struct drm_file *filp, 854 uint32_t size, 855 uint32_t *handle, 856 struct vmw_bo **p_vbo); 857 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 858 struct drm_file *filp); 859 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 860 861 /** 862 * Misc Ioctl functionality - vmwgfx_ioctl.c 863 */ 864 865 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 872 struct drm_file *file_priv); 873 874 /** 875 * Fifo utilities - vmwgfx_fifo.c 876 */ 877 878 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 879 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 880 extern bool vmw_cmd_supported(struct vmw_private *vmw); 881 extern void * 882 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 883 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 884 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 885 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 886 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 887 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 888 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 889 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 890 uint32_t cid); 891 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 892 bool interruptible); 893 894 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 895 ({ \ 896 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 897 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 898 __func__, (unsigned int) __bytes); \ 899 NULL; \ 900 }); \ 901 }) 902 903 #define VMW_CMD_RESERVE(__priv, __bytes) \ 904 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 905 906 907 /** 908 * vmw_fifo_caps - Returns the capabilities of the FIFO command 909 * queue or 0 if fifo memory isn't present. 910 * @dev_priv: The device private context 911 */ 912 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 913 { 914 if (!dev_priv->fifo_mem || !dev_priv->fifo) 915 return 0; 916 return dev_priv->fifo->capabilities; 917 } 918 919 920 /** 921 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 922 * is enabled in the FIFO. 923 * @dev_priv: The device private context 924 */ 925 static inline bool 926 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 927 { 928 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 929 } 930 931 /** 932 * TTM buffer object driver - vmwgfx_ttm_buffer.c 933 */ 934 935 extern const size_t vmw_tt_size; 936 extern struct ttm_placement vmw_vram_placement; 937 extern struct ttm_placement vmw_sys_placement; 938 extern struct ttm_device_funcs vmw_bo_driver; 939 extern const struct vmw_sg_table * 940 vmw_bo_sg_table(struct ttm_buffer_object *bo); 941 int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 942 size_t bo_size, 943 u32 domain, 944 struct vmw_bo **bo_p); 945 946 extern void vmw_piter_start(struct vmw_piter *viter, 947 const struct vmw_sg_table *vsgt, 948 unsigned long p_offs); 949 950 /** 951 * vmw_piter_next - Advance the iterator one page. 952 * 953 * @viter: Pointer to the iterator to advance. 954 * 955 * Returns false if past the list of pages, true otherwise. 956 */ 957 static inline bool vmw_piter_next(struct vmw_piter *viter) 958 { 959 return viter->next(viter); 960 } 961 962 /** 963 * vmw_piter_dma_addr - Return the DMA address of the current page. 964 * 965 * @viter: Pointer to the iterator 966 * 967 * Returns the DMA address of the page pointed to by @viter. 968 */ 969 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 970 { 971 return viter->dma_address(viter); 972 } 973 974 /** 975 * vmw_piter_page - Return a pointer to the current page. 976 * 977 * @viter: Pointer to the iterator 978 * 979 * Returns the DMA address of the page pointed to by @viter. 980 */ 981 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 982 { 983 return viter->pages[viter->i]; 984 } 985 986 /** 987 * Command submission - vmwgfx_execbuf.c 988 */ 989 990 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 991 struct drm_file *file_priv); 992 extern int vmw_execbuf_process(struct drm_file *file_priv, 993 struct vmw_private *dev_priv, 994 void __user *user_commands, 995 void *kernel_commands, 996 uint32_t command_size, 997 uint64_t throttle_us, 998 uint32_t dx_context_handle, 999 struct drm_vmw_fence_rep __user 1000 *user_fence_rep, 1001 struct vmw_fence_obj **out_fence, 1002 uint32_t flags); 1003 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1004 struct vmw_fence_obj *fence); 1005 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1006 1007 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1008 struct vmw_private *dev_priv, 1009 struct vmw_fence_obj **p_fence, 1010 uint32_t *p_handle); 1011 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1012 struct vmw_fpriv *vmw_fp, 1013 int ret, 1014 struct drm_vmw_fence_rep __user 1015 *user_fence_rep, 1016 struct vmw_fence_obj *fence, 1017 uint32_t fence_handle, 1018 int32_t out_fence_fd); 1019 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1020 1021 /** 1022 * IRQs and wating - vmwgfx_irq.c 1023 */ 1024 1025 extern int vmw_irq_install(struct vmw_private *dev_priv); 1026 extern void vmw_irq_uninstall(struct drm_device *dev); 1027 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1028 uint32_t seqno); 1029 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1030 bool lazy, 1031 bool fifo_idle, 1032 uint32_t seqno, 1033 bool interruptible, 1034 unsigned long timeout); 1035 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1036 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1037 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1038 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1039 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1040 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1041 int *waiter_count); 1042 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1043 u32 flag, int *waiter_count); 1044 1045 /** 1046 * Kernel modesetting - vmwgfx_kms.c 1047 */ 1048 1049 int vmw_kms_init(struct vmw_private *dev_priv); 1050 int vmw_kms_close(struct vmw_private *dev_priv); 1051 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1052 struct drm_file *file_priv); 1053 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1054 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1055 struct ttm_object_file *tfile, 1056 struct ttm_buffer_object *bo, 1057 SVGA3dCmdHeader *header); 1058 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1059 unsigned width, unsigned height, unsigned pitch, 1060 unsigned bpp, unsigned depth); 1061 int vmw_kms_present(struct vmw_private *dev_priv, 1062 struct drm_file *file_priv, 1063 struct vmw_framebuffer *vfb, 1064 struct vmw_surface *surface, 1065 uint32_t sid, int32_t destX, int32_t destY, 1066 struct drm_vmw_rect *clips, 1067 uint32_t num_clips); 1068 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1069 struct drm_file *file_priv); 1070 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1071 int vmw_kms_suspend(struct drm_device *dev); 1072 int vmw_kms_resume(struct drm_device *dev); 1073 void vmw_kms_lost_device(struct drm_device *dev); 1074 1075 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1076 extern void vmw_resource_unpin(struct vmw_resource *res); 1077 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1078 1079 /** 1080 * Overlay control - vmwgfx_overlay.c 1081 */ 1082 1083 int vmw_overlay_init(struct vmw_private *dev_priv); 1084 int vmw_overlay_close(struct vmw_private *dev_priv); 1085 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1086 struct drm_file *file_priv); 1087 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1088 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1089 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1090 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1091 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1092 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1093 1094 /** 1095 * GMR Id manager 1096 */ 1097 1098 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1099 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1100 1101 /** 1102 * System memory manager 1103 */ 1104 int vmw_sys_man_init(struct vmw_private *dev_priv); 1105 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1106 1107 /** 1108 * Prime - vmwgfx_prime.c 1109 */ 1110 1111 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1112 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1113 struct drm_file *file_priv, 1114 int fd, u32 *handle); 1115 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1116 struct drm_file *file_priv, 1117 uint32_t handle, uint32_t flags, 1118 int *prime_fd); 1119 struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev, 1120 struct dma_buf_attachment *attach, 1121 struct sg_table *table); 1122 1123 /* 1124 * MemoryOBject management - vmwgfx_mob.c 1125 */ 1126 struct vmw_mob; 1127 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1128 const struct vmw_sg_table *vsgt, 1129 unsigned long num_data_pages, int32_t mob_id); 1130 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1131 struct vmw_mob *mob); 1132 extern void vmw_mob_destroy(struct vmw_mob *mob); 1133 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1134 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1135 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1136 1137 /* 1138 * Context management - vmwgfx_context.c 1139 */ 1140 1141 extern const struct vmw_user_resource_conv *user_context_converter; 1142 1143 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1148 struct drm_file *file_priv); 1149 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1150 extern struct vmw_cmdbuf_res_manager * 1151 vmw_context_res_man(struct vmw_resource *ctx); 1152 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1153 SVGACOTableType cotable_type); 1154 struct vmw_ctx_binding_state; 1155 extern struct vmw_ctx_binding_state * 1156 vmw_context_binding_state(struct vmw_resource *ctx); 1157 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1158 bool readback); 1159 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1160 struct vmw_bo *mob); 1161 extern struct vmw_bo * 1162 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1163 1164 1165 /* 1166 * Surface management - vmwgfx_surface.c 1167 */ 1168 1169 extern const struct vmw_user_resource_conv *user_surface_converter; 1170 1171 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1172 struct drm_file *file_priv); 1173 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1174 struct drm_file *file_priv); 1175 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1182 void *data, 1183 struct drm_file *file_priv); 1184 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1185 void *data, 1186 struct drm_file *file_priv); 1187 1188 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1189 const struct vmw_surface_metadata *req, 1190 struct vmw_surface **srf_out); 1191 struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw, 1192 struct vmw_bo *bo, 1193 u32 handle); 1194 u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw, 1195 struct vmw_bo *bo, 1196 u32 handle); 1197 int vmw_dumb_create(struct drm_file *file_priv, 1198 struct drm_device *dev, 1199 struct drm_mode_create_dumb *args); 1200 1201 /* 1202 * Shader management - vmwgfx_shader.c 1203 */ 1204 1205 extern const struct vmw_user_resource_conv *user_shader_converter; 1206 1207 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1208 struct drm_file *file_priv); 1209 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1210 struct drm_file *file_priv); 1211 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1212 struct vmw_cmdbuf_res_manager *man, 1213 u32 user_key, const void *bytecode, 1214 SVGA3dShaderType shader_type, 1215 size_t size, 1216 struct list_head *list); 1217 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1218 u32 user_key, SVGA3dShaderType shader_type, 1219 struct list_head *list); 1220 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1221 struct vmw_resource *ctx, 1222 u32 user_key, 1223 SVGA3dShaderType shader_type, 1224 struct list_head *list); 1225 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1226 struct list_head *list, 1227 bool readback); 1228 1229 extern struct vmw_resource * 1230 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1231 u32 user_key, SVGA3dShaderType shader_type); 1232 1233 /* 1234 * Streamoutput management 1235 */ 1236 struct vmw_resource * 1237 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1238 u32 user_key); 1239 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1240 struct vmw_resource *ctx, 1241 SVGA3dStreamOutputId user_key, 1242 struct list_head *list); 1243 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1244 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1245 SVGA3dStreamOutputId user_key, 1246 struct list_head *list); 1247 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1248 struct list_head *list, 1249 bool readback); 1250 1251 /* 1252 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1253 */ 1254 1255 extern struct vmw_cmdbuf_res_manager * 1256 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1257 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1258 extern struct vmw_resource * 1259 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1260 enum vmw_cmdbuf_res_type res_type, 1261 u32 user_key); 1262 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1263 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1264 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1265 enum vmw_cmdbuf_res_type res_type, 1266 u32 user_key, 1267 struct vmw_resource *res, 1268 struct list_head *list); 1269 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1270 enum vmw_cmdbuf_res_type res_type, 1271 u32 user_key, 1272 struct list_head *list, 1273 struct vmw_resource **res); 1274 1275 /* 1276 * COTable management - vmwgfx_cotable.c 1277 */ 1278 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1279 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1280 struct vmw_resource *ctx, 1281 u32 type); 1282 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1283 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1284 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1285 struct list_head *head); 1286 1287 /* 1288 * Command buffer managerment vmwgfx_cmdbuf.c 1289 */ 1290 struct vmw_cmdbuf_man; 1291 struct vmw_cmdbuf_header; 1292 1293 extern struct vmw_cmdbuf_man * 1294 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1295 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1296 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1297 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1298 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1299 unsigned long timeout); 1300 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1301 int ctx_id, bool interruptible, 1302 struct vmw_cmdbuf_header *header); 1303 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1304 struct vmw_cmdbuf_header *header, 1305 bool flush); 1306 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1307 size_t size, bool interruptible, 1308 struct vmw_cmdbuf_header **p_header); 1309 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1310 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1311 bool interruptible); 1312 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1313 1314 /* CPU blit utilities - vmwgfx_blit.c */ 1315 1316 /** 1317 * struct vmw_diff_cpy - CPU blit information structure 1318 * 1319 * @rect: The output bounding box rectangle. 1320 * @line: The current line of the blit. 1321 * @line_offset: Offset of the current line segment. 1322 * @cpp: Bytes per pixel (granularity information). 1323 * @memcpy: Which memcpy function to use. 1324 */ 1325 struct vmw_diff_cpy { 1326 struct drm_rect rect; 1327 size_t line; 1328 size_t line_offset; 1329 int cpp; 1330 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1331 size_t n); 1332 }; 1333 1334 #define VMW_CPU_BLIT_INITIALIZER { \ 1335 .do_cpy = vmw_memcpy, \ 1336 } 1337 1338 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1339 .line = 0, \ 1340 .line_offset = 0, \ 1341 .rect = { .x1 = INT_MAX/2, \ 1342 .y1 = INT_MAX/2, \ 1343 .x2 = INT_MIN/2, \ 1344 .y2 = INT_MIN/2 \ 1345 }, \ 1346 .cpp = _cpp, \ 1347 .do_cpy = vmw_diff_memcpy, \ 1348 } 1349 1350 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1351 size_t n); 1352 1353 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1354 1355 int vmw_bo_cpu_blit(struct vmw_bo *dst, 1356 u32 dst_offset, u32 dst_stride, 1357 struct vmw_bo *src, 1358 u32 src_offset, u32 src_stride, 1359 u32 w, u32 h, 1360 struct vmw_diff_cpy *diff); 1361 1362 /* Host messaging -vmwgfx_msg.c: */ 1363 void vmw_disable_backdoor(void); 1364 int vmw_host_get_guestinfo(const char *guest_info_param, 1365 char *buffer, size_t *length); 1366 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1367 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1368 struct drm_file *file_priv); 1369 1370 /* Host mksGuestStats -vmwgfx_msg.c: */ 1371 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1372 1373 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1374 struct drm_file *file_priv); 1375 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1376 struct drm_file *file_priv); 1377 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1378 struct drm_file *file_priv); 1379 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1380 1381 /* VMW logging */ 1382 1383 /** 1384 * VMW_DEBUG_USER - Debug output for user-space debugging. 1385 * 1386 * @fmt: printf() like format string. 1387 * 1388 * This macro is for logging user-space error and debugging messages for e.g. 1389 * command buffer execution errors due to malformed commands, invalid context, 1390 * etc. 1391 */ 1392 #define VMW_DEBUG_USER(fmt, ...) \ 1393 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1394 1395 /* Resource dirtying - vmwgfx_page_dirty.c */ 1396 void vmw_bo_dirty_scan(struct vmw_bo *vbo); 1397 int vmw_bo_dirty_add(struct vmw_bo *vbo); 1398 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1399 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1400 void vmw_bo_dirty_release(struct vmw_bo *vbo); 1401 void vmw_bo_dirty_unmap(struct vmw_bo *vbo, 1402 pgoff_t start, pgoff_t end); 1403 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1404 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1405 1406 1407 /** 1408 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1409 * 1410 * This macro is for debugging vmwgfx mode-setting code. 1411 */ 1412 #define VMW_DEBUG_KMS(fmt, ...) \ 1413 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1414 1415 /** 1416 * Inline helper functions 1417 */ 1418 1419 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1420 { 1421 struct vmw_surface *tmp_srf = *srf; 1422 struct vmw_resource *res = &tmp_srf->res; 1423 *srf = NULL; 1424 1425 vmw_resource_unreference(&res); 1426 } 1427 1428 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1429 { 1430 (void) vmw_resource_reference(&srf->res); 1431 return srf; 1432 } 1433 1434 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1435 { 1436 atomic_inc(&dev_priv->num_fifo_resources); 1437 } 1438 1439 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1440 { 1441 atomic_dec(&dev_priv->num_fifo_resources); 1442 } 1443 1444 /** 1445 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1446 * 1447 * @fifo_reg: The fifo register to read from 1448 * 1449 * This function is intended to be equivalent to ioread32() on 1450 * memremap'd memory, but without byteswapping. 1451 */ 1452 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1453 { 1454 BUG_ON(vmw_is_svga_v3(vmw)); 1455 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1456 } 1457 1458 /** 1459 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1460 * 1461 * @addr: The fifo register to write to 1462 * 1463 * This function is intended to be equivalent to iowrite32 on 1464 * memremap'd memory, but without byteswapping. 1465 */ 1466 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1467 u32 value) 1468 { 1469 BUG_ON(vmw_is_svga_v3(vmw)); 1470 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1471 } 1472 1473 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1474 { 1475 u32 fence; 1476 if (vmw_is_svga_v3(dev_priv)) 1477 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1478 else 1479 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1480 return fence; 1481 } 1482 1483 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1484 u32 fence) 1485 { 1486 BUG_ON(vmw_is_svga_v3(dev_priv)); 1487 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1488 } 1489 1490 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1491 { 1492 u32 status; 1493 if (vmw_is_svga_v3(vmw)) 1494 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1495 else 1496 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1497 return status; 1498 } 1499 1500 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1501 uint32 status) 1502 { 1503 if (vmw_is_svga_v3(vmw)) 1504 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1505 else 1506 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1507 } 1508 1509 static inline bool vmw_has_fences(struct vmw_private *vmw) 1510 { 1511 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1512 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1513 return true; 1514 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1515 } 1516 1517 static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, 1518 u32 shader_type) 1519 { 1520 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; 1521 1522 if (shader_model >= VMW_SM_5) 1523 max_allowed = SVGA3D_SHADERTYPE_MAX; 1524 else if (shader_model >= VMW_SM_4) 1525 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; 1526 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; 1527 } 1528 1529 #endif 1530