1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2021 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 34 #include <drm/drm_auth.h> 35 #include <drm/drm_device.h> 36 #include <drm/drm_file.h> 37 #include <drm/drm_rect.h> 38 39 #include <drm/ttm/ttm_bo_driver.h> 40 #include <drm/ttm/ttm_execbuf_util.h> 41 42 #include "ttm_object.h" 43 44 #include "vmwgfx_fence.h" 45 #include "vmwgfx_hashtab.h" 46 #include "vmwgfx_reg.h" 47 #include "vmwgfx_validation.h" 48 49 /* 50 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 51 * uapi headers should not depend on header files outside uapi/. 52 */ 53 #include <drm/vmwgfx_drm.h> 54 55 56 #define VMWGFX_DRIVER_NAME "vmwgfx" 57 #define VMWGFX_DRIVER_DATE "20211206" 58 #define VMWGFX_DRIVER_MAJOR 2 59 #define VMWGFX_DRIVER_MINOR 20 60 #define VMWGFX_DRIVER_PATCHLEVEL 0 61 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 62 #define VMWGFX_MAX_DISPLAYS 16 63 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 64 65 #define VMWGFX_PCI_ID_SVGA2 0x0405 66 #define VMWGFX_PCI_ID_SVGA3 0x0406 67 68 /* 69 * Perhaps we should have sysfs entries for these. 70 */ 71 #define VMWGFX_NUM_GB_CONTEXT 256 72 #define VMWGFX_NUM_GB_SHADER 20000 73 #define VMWGFX_NUM_GB_SURFACE 32768 74 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 75 #define VMWGFX_NUM_DXCONTEXT 256 76 #define VMWGFX_NUM_DXQUERY 512 77 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 78 VMWGFX_NUM_GB_SHADER +\ 79 VMWGFX_NUM_GB_SURFACE +\ 80 VMWGFX_NUM_GB_SCREEN_TARGET) 81 82 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 83 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 84 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 85 86 #define VMW_RES_CONTEXT ttm_driver_type0 87 #define VMW_RES_SURFACE ttm_driver_type1 88 #define VMW_RES_STREAM ttm_driver_type2 89 #define VMW_RES_FENCE ttm_driver_type3 90 #define VMW_RES_SHADER ttm_driver_type4 91 92 #define MKSSTAT_CAPACITY_LOG2 5U 93 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 94 95 struct vmw_fpriv { 96 struct ttm_object_file *tfile; 97 bool gb_aware; /* user-space is guest-backed aware */ 98 }; 99 100 /** 101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 102 * @base: The TTM buffer object 103 * @res_tree: RB tree of resources using this buffer object as a backing MOB 104 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 105 * increased. May be decreased without reservation. 106 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 107 * @map: Kmap object for semi-persistent mappings 108 * @res_prios: Eviction priority counts for attached resources 109 * @dirty: structure for user-space dirty-tracking 110 */ 111 struct vmw_buffer_object { 112 struct ttm_buffer_object base; 113 struct rb_root res_tree; 114 atomic_t cpu_writers; 115 /* Not ref-counted. Protected by binding_mutex */ 116 struct vmw_resource *dx_query_ctx; 117 /* Protected by reservation */ 118 struct ttm_bo_kmap_obj map; 119 u32 res_prios[TTM_MAX_BO_PRIORITY]; 120 struct vmw_bo_dirty *dirty; 121 }; 122 123 /** 124 * struct vmw_validate_buffer - Carries validation info about buffers. 125 * 126 * @base: Validation info for TTM. 127 * @hash: Hash entry for quick lookup of the TTM buffer object. 128 * 129 * This structure contains also driver private validation info 130 * on top of the info needed by TTM. 131 */ 132 struct vmw_validate_buffer { 133 struct ttm_validate_buffer base; 134 struct vmwgfx_hash_item hash; 135 bool validate_as_mob; 136 }; 137 138 struct vmw_res_func; 139 140 141 /** 142 * struct vmw-resource - base class for hardware resources 143 * 144 * @kref: For refcounting. 145 * @dev_priv: Pointer to the device private for this resource. Immutable. 146 * @id: Device id. Protected by @dev_priv::resource_lock. 147 * @backup_size: Backup buffer size. Immutable. 148 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 149 * by resource reserved. 150 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 151 * Protected by resource reserved. 152 * @coherent: Emulate coherency by tracking vm accesses. 153 * @backup: The backup buffer if any. Protected by resource reserved. 154 * @backup_offset: Offset into the backup buffer if any. Protected by resource 155 * reserved. Note that only a few resource types can have a @backup_offset 156 * different from zero. 157 * @pin_count: The pin count for this resource. A pinned resource has a 158 * pin-count greater than zero. It is not on the resource LRU lists and its 159 * backup buffer is pinned. Hence it can't be evicted. 160 * @func: Method vtable for this resource. Immutable. 161 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 162 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 163 * @binding_head: List head for the context binding list. Protected by 164 * the @dev_priv::binding_mutex 165 * @res_free: The resource destructor. 166 * @hw_destroy: Callback to destroy the resource on the device, as part of 167 * resource destruction. 168 */ 169 struct vmw_resource_dirty; 170 struct vmw_resource { 171 struct kref kref; 172 struct vmw_private *dev_priv; 173 int id; 174 u32 used_prio; 175 unsigned long backup_size; 176 u32 res_dirty : 1; 177 u32 backup_dirty : 1; 178 u32 coherent : 1; 179 struct vmw_buffer_object *backup; 180 unsigned long backup_offset; 181 unsigned long pin_count; 182 const struct vmw_res_func *func; 183 struct rb_node mob_node; 184 struct list_head lru_head; 185 struct list_head binding_head; 186 struct vmw_resource_dirty *dirty; 187 void (*res_free) (struct vmw_resource *res); 188 void (*hw_destroy) (struct vmw_resource *res); 189 }; 190 191 192 /* 193 * Resources that are managed using ioctls. 194 */ 195 enum vmw_res_type { 196 vmw_res_context, 197 vmw_res_surface, 198 vmw_res_stream, 199 vmw_res_shader, 200 vmw_res_dx_context, 201 vmw_res_cotable, 202 vmw_res_view, 203 vmw_res_streamoutput, 204 vmw_res_max 205 }; 206 207 /* 208 * Resources that are managed using command streams. 209 */ 210 enum vmw_cmdbuf_res_type { 211 vmw_cmdbuf_res_shader, 212 vmw_cmdbuf_res_view, 213 vmw_cmdbuf_res_streamoutput 214 }; 215 216 struct vmw_cmdbuf_res_manager; 217 218 struct vmw_cursor_snooper { 219 size_t age; 220 uint32_t *image; 221 }; 222 223 struct vmw_framebuffer; 224 struct vmw_surface_offset; 225 226 /** 227 * struct vmw_surface_metadata - Metadata describing a surface. 228 * 229 * @flags: Device flags. 230 * @format: Surface SVGA3D_x format. 231 * @mip_levels: Mip level for each face. For GB first index is used only. 232 * @multisample_count: Sample count. 233 * @multisample_pattern: Sample patterns. 234 * @quality_level: Quality level. 235 * @autogen_filter: Filter for automatically generated mipmaps. 236 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 237 texture number of faces * array_size. This should be 0 for pre 238 SM4 device. 239 * @buffer_byte_stride: Buffer byte stride. 240 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 241 * @base_size: Surface dimension. 242 * @sizes: Array representing mip sizes. Legacy only. 243 * @scanout: Whether this surface will be used for scanout. 244 * 245 * This tracks metadata for both legacy and guest backed surface. 246 */ 247 struct vmw_surface_metadata { 248 u64 flags; 249 u32 format; 250 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 251 u32 multisample_count; 252 u32 multisample_pattern; 253 u32 quality_level; 254 u32 autogen_filter; 255 u32 array_size; 256 u32 num_sizes; 257 u32 buffer_byte_stride; 258 struct drm_vmw_size base_size; 259 struct drm_vmw_size *sizes; 260 bool scanout; 261 }; 262 263 /** 264 * struct vmw_surface: Resource structure for a surface. 265 * 266 * @res: The base resource for this surface. 267 * @metadata: Metadata for this surface resource. 268 * @snooper: Cursor data. Legacy surface only. 269 * @offsets: Legacy surface only. 270 * @view_list: List of views bound to this surface. 271 */ 272 struct vmw_surface { 273 struct vmw_resource res; 274 struct vmw_surface_metadata metadata; 275 struct vmw_cursor_snooper snooper; 276 struct vmw_surface_offset *offsets; 277 struct list_head view_list; 278 }; 279 280 struct vmw_fifo_state { 281 unsigned long reserved_size; 282 u32 *dynamic_buffer; 283 u32 *static_buffer; 284 unsigned long static_buffer_size; 285 bool using_bounce_buffer; 286 uint32_t capabilities; 287 struct mutex fifo_mutex; 288 struct rw_semaphore rwsem; 289 }; 290 291 /** 292 * struct vmw_res_cache_entry - resource information cache entry 293 * @handle: User-space handle of a resource. 294 * @res: Non-ref-counted pointer to the resource. 295 * @valid_handle: Whether the @handle member is valid. 296 * @valid: Whether the entry is valid, which also implies that the execbuf 297 * code holds a reference to the resource, and it's placed on the 298 * validation list. 299 * 300 * Used to avoid frequent repeated user-space handle lookups of the 301 * same resource. 302 */ 303 struct vmw_res_cache_entry { 304 uint32_t handle; 305 struct vmw_resource *res; 306 void *private; 307 unsigned short valid_handle; 308 unsigned short valid; 309 }; 310 311 /** 312 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 313 */ 314 enum vmw_dma_map_mode { 315 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 316 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 317 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 318 vmw_dma_map_max 319 }; 320 321 /** 322 * struct vmw_sg_table - Scatter/gather table for binding, with additional 323 * device-specific information. 324 * 325 * @sgt: Pointer to a struct sg_table with binding information 326 * @num_regions: Number of regions with device-address contiguous pages 327 */ 328 struct vmw_sg_table { 329 enum vmw_dma_map_mode mode; 330 struct page **pages; 331 const dma_addr_t *addrs; 332 struct sg_table *sgt; 333 unsigned long num_pages; 334 }; 335 336 /** 337 * struct vmw_piter - Page iterator that iterates over a list of pages 338 * and DMA addresses that could be either a scatter-gather list or 339 * arrays 340 * 341 * @pages: Array of page pointers to the pages. 342 * @addrs: DMA addresses to the pages if coherent pages are used. 343 * @iter: Scatter-gather page iterator. Current position in SG list. 344 * @i: Current position in arrays. 345 * @num_pages: Number of pages total. 346 * @next: Function to advance the iterator. Returns false if past the list 347 * of pages, true otherwise. 348 * @dma_address: Function to return the DMA address of the current page. 349 */ 350 struct vmw_piter { 351 struct page **pages; 352 const dma_addr_t *addrs; 353 struct sg_dma_page_iter iter; 354 unsigned long i; 355 unsigned long num_pages; 356 bool (*next)(struct vmw_piter *); 357 dma_addr_t (*dma_address)(struct vmw_piter *); 358 }; 359 360 361 struct vmw_ttm_tt { 362 struct ttm_tt dma_ttm; 363 struct vmw_private *dev_priv; 364 int gmr_id; 365 struct vmw_mob *mob; 366 int mem_type; 367 struct sg_table sgt; 368 struct vmw_sg_table vsgt; 369 bool mapped; 370 bool bound; 371 }; 372 373 /* 374 * enum vmw_display_unit_type - Describes the display unit 375 */ 376 enum vmw_display_unit_type { 377 vmw_du_invalid = 0, 378 vmw_du_legacy, 379 vmw_du_screen_object, 380 vmw_du_screen_target, 381 vmw_du_max 382 }; 383 384 struct vmw_validation_context; 385 struct vmw_ctx_validation_info; 386 387 /** 388 * struct vmw_sw_context - Command submission context 389 * @res_ht: Pointer hash table used to find validation duplicates 390 * @kernel: Whether the command buffer originates from kernel code rather 391 * than from user-space 392 * @fp: If @kernel is false, points to the file of the client. Otherwise 393 * NULL 394 * @cmd_bounce: Command bounce buffer used for command validation before 395 * copying to fifo space 396 * @cmd_bounce_size: Current command bounce buffer size 397 * @cur_query_bo: Current buffer object used as query result buffer 398 * @bo_relocations: List of buffer object relocations 399 * @res_relocations: List of resource relocations 400 * @buf_start: Pointer to start of memory where command validation takes 401 * place 402 * @res_cache: Cache of recently looked up resources 403 * @last_query_ctx: Last context that submitted a query 404 * @needs_post_query_barrier: Whether a query barrier is needed after 405 * command submission 406 * @staged_bindings: Cached per-context binding tracker 407 * @staged_bindings_inuse: Whether the cached per-context binding tracker 408 * is in use 409 * @staged_cmd_res: List of staged command buffer managed resources in this 410 * command buffer 411 * @ctx_list: List of context resources referenced in this command buffer 412 * @dx_ctx_node: Validation metadata of the current DX context 413 * @dx_query_mob: The MOB used for DX queries 414 * @dx_query_ctx: The DX context used for the last DX query 415 * @man: Pointer to the command buffer managed resource manager 416 * @ctx: The validation context 417 */ 418 struct vmw_sw_context{ 419 struct vmwgfx_open_hash res_ht; 420 bool res_ht_initialized; 421 bool kernel; 422 struct vmw_fpriv *fp; 423 struct drm_file *filp; 424 uint32_t *cmd_bounce; 425 uint32_t cmd_bounce_size; 426 struct vmw_buffer_object *cur_query_bo; 427 struct list_head bo_relocations; 428 struct list_head res_relocations; 429 uint32_t *buf_start; 430 struct vmw_res_cache_entry res_cache[vmw_res_max]; 431 struct vmw_resource *last_query_ctx; 432 bool needs_post_query_barrier; 433 struct vmw_ctx_binding_state *staged_bindings; 434 bool staged_bindings_inuse; 435 struct list_head staged_cmd_res; 436 struct list_head ctx_list; 437 struct vmw_ctx_validation_info *dx_ctx_node; 438 struct vmw_buffer_object *dx_query_mob; 439 struct vmw_resource *dx_query_ctx; 440 struct vmw_cmdbuf_res_manager *man; 441 struct vmw_validation_context *ctx; 442 }; 443 444 struct vmw_legacy_display; 445 struct vmw_overlay; 446 447 struct vmw_vga_topology_state { 448 uint32_t width; 449 uint32_t height; 450 uint32_t primary; 451 uint32_t pos_x; 452 uint32_t pos_y; 453 }; 454 455 456 /* 457 * struct vmw_otable - Guest Memory OBject table metadata 458 * 459 * @size: Size of the table (page-aligned). 460 * @page_table: Pointer to a struct vmw_mob holding the page table. 461 */ 462 struct vmw_otable { 463 unsigned long size; 464 struct vmw_mob *page_table; 465 bool enabled; 466 }; 467 468 struct vmw_otable_batch { 469 unsigned num_otables; 470 struct vmw_otable *otables; 471 struct vmw_resource *context; 472 struct ttm_buffer_object *otable_bo; 473 }; 474 475 enum { 476 VMW_IRQTHREAD_FENCE, 477 VMW_IRQTHREAD_CMDBUF, 478 VMW_IRQTHREAD_MAX 479 }; 480 481 /** 482 * enum vmw_sm_type - Graphics context capability supported by device. 483 * @VMW_SM_LEGACY: Pre DX context. 484 * @VMW_SM_4: Context support upto SM4. 485 * @VMW_SM_4_1: Context support upto SM4_1. 486 * @VMW_SM_5: Context support up to SM5. 487 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 488 * @VMW_SM_MAX: Should be the last. 489 */ 490 enum vmw_sm_type { 491 VMW_SM_LEGACY = 0, 492 VMW_SM_4, 493 VMW_SM_4_1, 494 VMW_SM_5, 495 VMW_SM_5_1X, 496 VMW_SM_MAX 497 }; 498 499 struct vmw_private { 500 struct drm_device drm; 501 struct ttm_device bdev; 502 503 struct drm_vma_offset_manager vma_manager; 504 u32 pci_id; 505 resource_size_t io_start; 506 resource_size_t vram_start; 507 resource_size_t vram_size; 508 resource_size_t max_primary_mem; 509 u32 __iomem *rmmio; 510 u32 *fifo_mem; 511 resource_size_t fifo_mem_size; 512 uint32_t fb_max_width; 513 uint32_t fb_max_height; 514 uint32_t texture_max_width; 515 uint32_t texture_max_height; 516 uint32_t stdu_max_width; 517 uint32_t stdu_max_height; 518 uint32_t initial_width; 519 uint32_t initial_height; 520 uint32_t capabilities; 521 uint32_t capabilities2; 522 uint32_t max_gmr_ids; 523 uint32_t max_gmr_pages; 524 uint32_t max_mob_pages; 525 uint32_t max_mob_size; 526 uint32_t memory_size; 527 bool has_gmr; 528 bool has_mob; 529 spinlock_t hw_lock; 530 bool assume_16bpp; 531 532 enum vmw_sm_type sm_type; 533 534 /* 535 * Framebuffer info. 536 */ 537 538 void *fb_info; 539 enum vmw_display_unit_type active_display_unit; 540 struct vmw_legacy_display *ldu_priv; 541 struct vmw_overlay *overlay_priv; 542 struct drm_property *hotplug_mode_update_property; 543 struct drm_property *implicit_placement_property; 544 spinlock_t cursor_lock; 545 struct drm_atomic_state *suspend_state; 546 547 /* 548 * Context and surface management. 549 */ 550 551 spinlock_t resource_lock; 552 struct idr res_idr[vmw_res_max]; 553 554 /* 555 * A resource manager for kernel-only surfaces and 556 * contexts. 557 */ 558 559 struct ttm_object_device *tdev; 560 561 /* 562 * Fencing and IRQs. 563 */ 564 565 atomic_t marker_seq; 566 wait_queue_head_t fence_queue; 567 wait_queue_head_t fifo_queue; 568 spinlock_t waiter_lock; 569 int fence_queue_waiters; /* Protected by waiter_lock */ 570 int goal_queue_waiters; /* Protected by waiter_lock */ 571 int cmdbuf_waiters; /* Protected by waiter_lock */ 572 int error_waiters; /* Protected by waiter_lock */ 573 int fifo_queue_waiters; /* Protected by waiter_lock */ 574 uint32_t last_read_seqno; 575 struct vmw_fence_manager *fman; 576 uint32_t irq_mask; /* Updates protected by waiter_lock */ 577 578 /* 579 * Device state 580 */ 581 582 uint32_t traces_state; 583 uint32_t enable_state; 584 uint32_t config_done_state; 585 586 /** 587 * Execbuf 588 */ 589 /** 590 * Protected by the cmdbuf mutex. 591 */ 592 593 struct vmw_sw_context ctx; 594 struct mutex cmdbuf_mutex; 595 struct mutex binding_mutex; 596 597 bool enable_fb; 598 599 /** 600 * PM management. 601 */ 602 struct notifier_block pm_nb; 603 bool refuse_hibernation; 604 bool suspend_locked; 605 606 atomic_t num_fifo_resources; 607 608 /* 609 * Query processing. These members 610 * are protected by the cmdbuf mutex. 611 */ 612 613 struct vmw_buffer_object *dummy_query_bo; 614 struct vmw_buffer_object *pinned_bo; 615 uint32_t query_cid; 616 uint32_t query_cid_valid; 617 bool dummy_query_bo_pinned; 618 619 /* 620 * Surface swapping. The "surface_lru" list is protected by the 621 * resource lock in order to be able to destroy a surface and take 622 * it off the lru atomically. "used_memory_size" is currently 623 * protected by the cmdbuf mutex for simplicity. 624 */ 625 626 struct list_head res_lru[vmw_res_max]; 627 uint32_t used_memory_size; 628 629 /* 630 * DMA mapping stuff. 631 */ 632 enum vmw_dma_map_mode map_mode; 633 634 /* 635 * Guest Backed stuff 636 */ 637 struct vmw_otable_batch otable_batch; 638 639 struct vmw_fifo_state *fifo; 640 struct vmw_cmdbuf_man *cman; 641 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 642 643 uint32 *devcaps; 644 645 /* 646 * mksGuestStat instance-descriptor and pid arrays 647 */ 648 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 649 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 650 651 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 652 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 653 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 654 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 655 #endif 656 }; 657 658 static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) 659 { 660 return container_of((gobj), struct vmw_buffer_object, base.base); 661 } 662 663 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 664 { 665 return container_of(res, struct vmw_surface, res); 666 } 667 668 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 669 { 670 return (struct vmw_private *)dev->dev_private; 671 } 672 673 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 674 { 675 return (struct vmw_fpriv *)file_priv->driver_priv; 676 } 677 678 /* 679 * SVGA v3 has mmio register access and lacks fifo cmds 680 */ 681 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 682 { 683 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 684 } 685 686 /* 687 * The locking here is fine-grained, so that it is performed once 688 * for every read- and write operation. This is of course costly, but we 689 * don't perform much register access in the timing critical paths anyway. 690 * Instead we have the extra benefit of being sure that we don't forget 691 * the hw lock around register accesses. 692 */ 693 static inline void vmw_write(struct vmw_private *dev_priv, 694 unsigned int offset, uint32_t value) 695 { 696 if (vmw_is_svga_v3(dev_priv)) { 697 iowrite32(value, dev_priv->rmmio + offset); 698 } else { 699 spin_lock(&dev_priv->hw_lock); 700 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 701 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 702 spin_unlock(&dev_priv->hw_lock); 703 } 704 } 705 706 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 707 unsigned int offset) 708 { 709 u32 val; 710 711 if (vmw_is_svga_v3(dev_priv)) { 712 val = ioread32(dev_priv->rmmio + offset); 713 } else { 714 spin_lock(&dev_priv->hw_lock); 715 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 716 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 717 spin_unlock(&dev_priv->hw_lock); 718 } 719 720 return val; 721 } 722 723 /** 724 * has_sm4_context - Does the device support SM4 context. 725 * @dev_priv: Device private. 726 * 727 * Return: Bool value if device support SM4 context or not. 728 */ 729 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 730 { 731 return (dev_priv->sm_type >= VMW_SM_4); 732 } 733 734 /** 735 * has_sm4_1_context - Does the device support SM4_1 context. 736 * @dev_priv: Device private. 737 * 738 * Return: Bool value if device support SM4_1 context or not. 739 */ 740 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 741 { 742 return (dev_priv->sm_type >= VMW_SM_4_1); 743 } 744 745 /** 746 * has_sm5_context - Does the device support SM5 context. 747 * @dev_priv: Device private. 748 * 749 * Return: Bool value if device support SM5 context or not. 750 */ 751 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 752 { 753 return (dev_priv->sm_type >= VMW_SM_5); 754 } 755 756 /** 757 * has_gl43_context - Does the device support GL43 context. 758 * @dev_priv: Device private. 759 * 760 * Return: Bool value if device support SM5 context or not. 761 */ 762 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 763 { 764 return (dev_priv->sm_type >= VMW_SM_5_1X); 765 } 766 767 768 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 769 { 770 return (has_gl43_context(dev_priv) ? 771 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 772 } 773 774 extern void vmw_svga_enable(struct vmw_private *dev_priv); 775 extern void vmw_svga_disable(struct vmw_private *dev_priv); 776 777 778 /** 779 * GMR utilities - vmwgfx_gmr.c 780 */ 781 782 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 783 const struct vmw_sg_table *vsgt, 784 unsigned long num_pages, 785 int gmr_id); 786 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 787 788 /** 789 * Resource utilities - vmwgfx_resource.c 790 */ 791 struct vmw_user_resource_conv; 792 793 extern void vmw_resource_unreference(struct vmw_resource **p_res); 794 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 795 extern struct vmw_resource * 796 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 797 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 798 bool dirtying); 799 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 800 bool no_backup); 801 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 802 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 803 struct drm_file *filp, 804 uint32_t handle, 805 struct vmw_surface **out_surf, 806 struct vmw_buffer_object **out_buf); 807 extern int vmw_user_resource_lookup_handle( 808 struct vmw_private *dev_priv, 809 struct ttm_object_file *tfile, 810 uint32_t handle, 811 const struct vmw_user_resource_conv *converter, 812 struct vmw_resource **p_res); 813 extern struct vmw_resource * 814 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 815 struct ttm_object_file *tfile, 816 uint32_t handle, 817 const struct vmw_user_resource_conv * 818 converter); 819 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 820 struct drm_file *file_priv); 821 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 822 struct drm_file *file_priv); 823 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 824 struct ttm_object_file *tfile, 825 uint32_t *inout_id, 826 struct vmw_resource **out); 827 extern void vmw_resource_unreserve(struct vmw_resource *res, 828 bool dirty_set, 829 bool dirty, 830 bool switch_backup, 831 struct vmw_buffer_object *new_backup, 832 unsigned long new_backup_offset); 833 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 834 struct ttm_resource *old_mem, 835 struct ttm_resource *new_mem); 836 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 837 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 838 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 839 void vmw_resource_mob_attach(struct vmw_resource *res); 840 void vmw_resource_mob_detach(struct vmw_resource *res); 841 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 842 pgoff_t end); 843 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 844 pgoff_t end, pgoff_t *num_prefault); 845 846 /** 847 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 848 * @res: The resource 849 * 850 * Return: true if the resource has a mob attached, false otherwise. 851 */ 852 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 853 { 854 return !RB_EMPTY_NODE(&res->mob_node); 855 } 856 857 /** 858 * vmw_user_resource_noref_release - release a user resource pointer looked up 859 * without reference 860 */ 861 static inline void vmw_user_resource_noref_release(void) 862 { 863 ttm_base_object_noref_release(); 864 } 865 866 /** 867 * Buffer object helper functions - vmwgfx_bo.c 868 */ 869 extern bool vmw_bo_is_vmw_bo(struct ttm_buffer_object *bo); 870 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 871 struct vmw_buffer_object *bo, 872 struct ttm_placement *placement, 873 bool interruptible); 874 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 875 struct vmw_buffer_object *buf, 876 bool interruptible); 877 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 878 struct vmw_buffer_object *buf, 879 bool interruptible); 880 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 881 struct vmw_buffer_object *bo, 882 bool interruptible); 883 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 884 struct vmw_buffer_object *bo, 885 bool interruptible); 886 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 887 SVGAGuestPtr *ptr); 888 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 889 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 890 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 891 unsigned long size, 892 struct ttm_placement *placement, 893 struct ttm_buffer_object **p_bo); 894 extern int vmw_bo_create(struct vmw_private *dev_priv, 895 size_t size, struct ttm_placement *placement, 896 bool interruptible, bool pin, 897 void (*bo_free)(struct ttm_buffer_object *bo), 898 struct vmw_buffer_object **p_bo); 899 extern int vmw_bo_init(struct vmw_private *dev_priv, 900 struct vmw_buffer_object *vmw_bo, 901 size_t size, struct ttm_placement *placement, 902 bool interruptible, bool pin, 903 void (*bo_free)(struct ttm_buffer_object *bo)); 904 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 905 struct drm_file *file_priv); 906 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 907 struct drm_file *file_priv); 908 extern int vmw_user_bo_lookup(struct drm_file *filp, 909 uint32_t handle, 910 struct vmw_buffer_object **out); 911 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 912 struct vmw_fence_obj *fence); 913 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 914 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 915 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 916 struct ttm_resource *mem); 917 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 918 extern struct vmw_buffer_object * 919 vmw_user_bo_noref_lookup(struct drm_file *filp, u32 handle); 920 921 /** 922 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 923 * according to attached resources 924 * @vbo: The struct vmw_buffer_object 925 */ 926 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 927 { 928 int i = ARRAY_SIZE(vbo->res_prios); 929 930 while (i--) { 931 if (vbo->res_prios[i]) { 932 vbo->base.priority = i; 933 return; 934 } 935 } 936 937 vbo->base.priority = 3; 938 } 939 940 /** 941 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 942 * eviction priority 943 * @vbo: The struct vmw_buffer_object 944 * @prio: The resource priority 945 * 946 * After being notified, the code assigns the highest resource eviction priority 947 * to the backing buffer object (mob). 948 */ 949 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 950 { 951 if (vbo->res_prios[prio]++ == 0) 952 vmw_bo_prio_adjust(vbo); 953 } 954 955 /** 956 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 957 * priority being removed 958 * @vbo: The struct vmw_buffer_object 959 * @prio: The resource priority 960 * 961 * After being notified, the code assigns the highest resource eviction priority 962 * to the backing buffer object (mob). 963 */ 964 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 965 { 966 if (--vbo->res_prios[prio] == 0) 967 vmw_bo_prio_adjust(vbo); 968 } 969 970 /** 971 * GEM related functionality - vmwgfx_gem.c 972 */ 973 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 974 struct drm_file *filp, 975 uint32_t size, 976 uint32_t *handle, 977 struct vmw_buffer_object **p_vbo); 978 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 979 struct drm_file *filp); 980 extern void vmw_gem_destroy(struct ttm_buffer_object *bo); 981 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 982 983 /** 984 * Misc Ioctl functionality - vmwgfx_ioctl.c 985 */ 986 987 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 988 struct drm_file *file_priv); 989 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 990 struct drm_file *file_priv); 991 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 992 struct drm_file *file_priv); 993 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 994 struct drm_file *file_priv); 995 996 /** 997 * Fifo utilities - vmwgfx_fifo.c 998 */ 999 1000 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 1001 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 1002 extern bool vmw_cmd_supported(struct vmw_private *vmw); 1003 extern void * 1004 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 1005 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 1006 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 1007 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 1008 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 1009 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 1010 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 1011 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 1012 uint32_t cid); 1013 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 1014 bool interruptible); 1015 1016 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 1017 ({ \ 1018 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 1019 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 1020 __func__, (unsigned int) __bytes); \ 1021 NULL; \ 1022 }); \ 1023 }) 1024 1025 #define VMW_CMD_RESERVE(__priv, __bytes) \ 1026 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 1027 1028 1029 /** 1030 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1031 * queue or 0 if fifo memory isn't present. 1032 * @dev_priv: The device private context 1033 */ 1034 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1035 { 1036 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1037 return 0; 1038 return dev_priv->fifo->capabilities; 1039 } 1040 1041 1042 /** 1043 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1044 * is enabled in the FIFO. 1045 * @dev_priv: The device private context 1046 */ 1047 static inline bool 1048 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1049 { 1050 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1051 } 1052 1053 /** 1054 * TTM glue - vmwgfx_ttm_glue.c 1055 */ 1056 1057 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1058 1059 /** 1060 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1061 */ 1062 1063 extern const size_t vmw_tt_size; 1064 extern struct ttm_placement vmw_vram_placement; 1065 extern struct ttm_placement vmw_vram_sys_placement; 1066 extern struct ttm_placement vmw_vram_gmr_placement; 1067 extern struct ttm_placement vmw_sys_placement; 1068 extern struct ttm_placement vmw_srf_placement; 1069 extern struct ttm_placement vmw_mob_placement; 1070 extern struct ttm_placement vmw_nonfixed_placement; 1071 extern struct ttm_device_funcs vmw_bo_driver; 1072 extern const struct vmw_sg_table * 1073 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1074 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1075 unsigned long bo_size, 1076 struct ttm_buffer_object **bo_p); 1077 1078 extern void vmw_piter_start(struct vmw_piter *viter, 1079 const struct vmw_sg_table *vsgt, 1080 unsigned long p_offs); 1081 1082 /** 1083 * vmw_piter_next - Advance the iterator one page. 1084 * 1085 * @viter: Pointer to the iterator to advance. 1086 * 1087 * Returns false if past the list of pages, true otherwise. 1088 */ 1089 static inline bool vmw_piter_next(struct vmw_piter *viter) 1090 { 1091 return viter->next(viter); 1092 } 1093 1094 /** 1095 * vmw_piter_dma_addr - Return the DMA address of the current page. 1096 * 1097 * @viter: Pointer to the iterator 1098 * 1099 * Returns the DMA address of the page pointed to by @viter. 1100 */ 1101 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1102 { 1103 return viter->dma_address(viter); 1104 } 1105 1106 /** 1107 * vmw_piter_page - Return a pointer to the current page. 1108 * 1109 * @viter: Pointer to the iterator 1110 * 1111 * Returns the DMA address of the page pointed to by @viter. 1112 */ 1113 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1114 { 1115 return viter->pages[viter->i]; 1116 } 1117 1118 /** 1119 * Command submission - vmwgfx_execbuf.c 1120 */ 1121 1122 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1123 struct drm_file *file_priv); 1124 extern int vmw_execbuf_process(struct drm_file *file_priv, 1125 struct vmw_private *dev_priv, 1126 void __user *user_commands, 1127 void *kernel_commands, 1128 uint32_t command_size, 1129 uint64_t throttle_us, 1130 uint32_t dx_context_handle, 1131 struct drm_vmw_fence_rep __user 1132 *user_fence_rep, 1133 struct vmw_fence_obj **out_fence, 1134 uint32_t flags); 1135 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1136 struct vmw_fence_obj *fence); 1137 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1138 1139 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1140 struct vmw_private *dev_priv, 1141 struct vmw_fence_obj **p_fence, 1142 uint32_t *p_handle); 1143 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1144 struct vmw_fpriv *vmw_fp, 1145 int ret, 1146 struct drm_vmw_fence_rep __user 1147 *user_fence_rep, 1148 struct vmw_fence_obj *fence, 1149 uint32_t fence_handle, 1150 int32_t out_fence_fd); 1151 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1152 1153 /** 1154 * IRQs and wating - vmwgfx_irq.c 1155 */ 1156 1157 extern int vmw_irq_install(struct drm_device *dev, int irq); 1158 extern void vmw_irq_uninstall(struct drm_device *dev); 1159 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1160 uint32_t seqno); 1161 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1162 bool lazy, 1163 bool fifo_idle, 1164 uint32_t seqno, 1165 bool interruptible, 1166 unsigned long timeout); 1167 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1168 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1169 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1170 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1171 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1172 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1173 int *waiter_count); 1174 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1175 u32 flag, int *waiter_count); 1176 1177 1178 /** 1179 * Kernel framebuffer - vmwgfx_fb.c 1180 */ 1181 1182 #ifdef CONFIG_DRM_FBDEV_EMULATION 1183 int vmw_fb_init(struct vmw_private *vmw_priv); 1184 int vmw_fb_close(struct vmw_private *dev_priv); 1185 int vmw_fb_off(struct vmw_private *vmw_priv); 1186 int vmw_fb_on(struct vmw_private *vmw_priv); 1187 #else 1188 static inline int vmw_fb_init(struct vmw_private *vmw_priv) 1189 { 1190 return 0; 1191 } 1192 static inline int vmw_fb_close(struct vmw_private *dev_priv) 1193 { 1194 return 0; 1195 } 1196 static inline int vmw_fb_off(struct vmw_private *vmw_priv) 1197 { 1198 return 0; 1199 } 1200 static inline int vmw_fb_on(struct vmw_private *vmw_priv) 1201 { 1202 return 0; 1203 } 1204 #endif 1205 1206 /** 1207 * Kernel modesetting - vmwgfx_kms.c 1208 */ 1209 1210 int vmw_kms_init(struct vmw_private *dev_priv); 1211 int vmw_kms_close(struct vmw_private *dev_priv); 1212 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1215 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1216 struct ttm_object_file *tfile, 1217 struct ttm_buffer_object *bo, 1218 SVGA3dCmdHeader *header); 1219 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1220 unsigned width, unsigned height, unsigned pitch, 1221 unsigned bpp, unsigned depth); 1222 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1223 uint32_t pitch, 1224 uint32_t height); 1225 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1226 int vmw_enable_vblank(struct drm_crtc *crtc); 1227 void vmw_disable_vblank(struct drm_crtc *crtc); 1228 int vmw_kms_present(struct vmw_private *dev_priv, 1229 struct drm_file *file_priv, 1230 struct vmw_framebuffer *vfb, 1231 struct vmw_surface *surface, 1232 uint32_t sid, int32_t destX, int32_t destY, 1233 struct drm_vmw_rect *clips, 1234 uint32_t num_clips); 1235 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1238 int vmw_kms_suspend(struct drm_device *dev); 1239 int vmw_kms_resume(struct drm_device *dev); 1240 void vmw_kms_lost_device(struct drm_device *dev); 1241 1242 int vmw_dumb_create(struct drm_file *file_priv, 1243 struct drm_device *dev, 1244 struct drm_mode_create_dumb *args); 1245 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1246 extern void vmw_resource_unpin(struct vmw_resource *res); 1247 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1248 1249 /** 1250 * Overlay control - vmwgfx_overlay.c 1251 */ 1252 1253 int vmw_overlay_init(struct vmw_private *dev_priv); 1254 int vmw_overlay_close(struct vmw_private *dev_priv); 1255 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1256 struct drm_file *file_priv); 1257 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1258 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1259 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1260 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1261 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1262 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1263 1264 /** 1265 * GMR Id manager 1266 */ 1267 1268 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1269 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1270 1271 /** 1272 * System memory manager 1273 */ 1274 int vmw_sys_man_init(struct vmw_private *dev_priv); 1275 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1276 1277 /** 1278 * Prime - vmwgfx_prime.c 1279 */ 1280 1281 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1282 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1283 struct drm_file *file_priv, 1284 int fd, u32 *handle); 1285 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1286 struct drm_file *file_priv, 1287 uint32_t handle, uint32_t flags, 1288 int *prime_fd); 1289 1290 /* 1291 * MemoryOBject management - vmwgfx_mob.c 1292 */ 1293 struct vmw_mob; 1294 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1295 const struct vmw_sg_table *vsgt, 1296 unsigned long num_data_pages, int32_t mob_id); 1297 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1298 struct vmw_mob *mob); 1299 extern void vmw_mob_destroy(struct vmw_mob *mob); 1300 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1301 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1302 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1303 1304 /* 1305 * Context management - vmwgfx_context.c 1306 */ 1307 1308 extern const struct vmw_user_resource_conv *user_context_converter; 1309 1310 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1311 struct drm_file *file_priv); 1312 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1313 struct drm_file *file_priv); 1314 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1315 struct drm_file *file_priv); 1316 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1317 extern struct vmw_cmdbuf_res_manager * 1318 vmw_context_res_man(struct vmw_resource *ctx); 1319 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1320 SVGACOTableType cotable_type); 1321 struct vmw_ctx_binding_state; 1322 extern struct vmw_ctx_binding_state * 1323 vmw_context_binding_state(struct vmw_resource *ctx); 1324 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1325 bool readback); 1326 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1327 struct vmw_buffer_object *mob); 1328 extern struct vmw_buffer_object * 1329 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1330 1331 1332 /* 1333 * Surface management - vmwgfx_surface.c 1334 */ 1335 1336 extern const struct vmw_user_resource_conv *user_surface_converter; 1337 1338 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1339 struct drm_file *file_priv); 1340 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1341 struct drm_file *file_priv); 1342 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1343 struct drm_file *file_priv); 1344 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1345 struct drm_file *file_priv); 1346 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1347 struct drm_file *file_priv); 1348 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1349 void *data, 1350 struct drm_file *file_priv); 1351 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1352 void *data, 1353 struct drm_file *file_priv); 1354 1355 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1356 const struct vmw_surface_metadata *req, 1357 struct vmw_surface **srf_out); 1358 1359 /* 1360 * Shader management - vmwgfx_shader.c 1361 */ 1362 1363 extern const struct vmw_user_resource_conv *user_shader_converter; 1364 1365 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1366 struct drm_file *file_priv); 1367 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1368 struct drm_file *file_priv); 1369 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1370 struct vmw_cmdbuf_res_manager *man, 1371 u32 user_key, const void *bytecode, 1372 SVGA3dShaderType shader_type, 1373 size_t size, 1374 struct list_head *list); 1375 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1376 u32 user_key, SVGA3dShaderType shader_type, 1377 struct list_head *list); 1378 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1379 struct vmw_resource *ctx, 1380 u32 user_key, 1381 SVGA3dShaderType shader_type, 1382 struct list_head *list); 1383 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1384 struct list_head *list, 1385 bool readback); 1386 1387 extern struct vmw_resource * 1388 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1389 u32 user_key, SVGA3dShaderType shader_type); 1390 1391 /* 1392 * Streamoutput management 1393 */ 1394 struct vmw_resource * 1395 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1396 u32 user_key); 1397 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1398 struct vmw_resource *ctx, 1399 SVGA3dStreamOutputId user_key, 1400 struct list_head *list); 1401 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1402 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1403 SVGA3dStreamOutputId user_key, 1404 struct list_head *list); 1405 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1406 struct list_head *list, 1407 bool readback); 1408 1409 /* 1410 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1411 */ 1412 1413 extern struct vmw_cmdbuf_res_manager * 1414 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1415 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1416 extern struct vmw_resource * 1417 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1418 enum vmw_cmdbuf_res_type res_type, 1419 u32 user_key); 1420 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1421 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1422 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1423 enum vmw_cmdbuf_res_type res_type, 1424 u32 user_key, 1425 struct vmw_resource *res, 1426 struct list_head *list); 1427 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1428 enum vmw_cmdbuf_res_type res_type, 1429 u32 user_key, 1430 struct list_head *list, 1431 struct vmw_resource **res); 1432 1433 /* 1434 * COTable management - vmwgfx_cotable.c 1435 */ 1436 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1437 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1438 struct vmw_resource *ctx, 1439 u32 type); 1440 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1441 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1442 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1443 struct list_head *head); 1444 1445 /* 1446 * Command buffer managerment vmwgfx_cmdbuf.c 1447 */ 1448 struct vmw_cmdbuf_man; 1449 struct vmw_cmdbuf_header; 1450 1451 extern struct vmw_cmdbuf_man * 1452 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1453 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1454 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1455 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1456 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1457 unsigned long timeout); 1458 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1459 int ctx_id, bool interruptible, 1460 struct vmw_cmdbuf_header *header); 1461 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1462 struct vmw_cmdbuf_header *header, 1463 bool flush); 1464 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1465 size_t size, bool interruptible, 1466 struct vmw_cmdbuf_header **p_header); 1467 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1468 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1469 bool interruptible); 1470 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1471 1472 /* CPU blit utilities - vmwgfx_blit.c */ 1473 1474 /** 1475 * struct vmw_diff_cpy - CPU blit information structure 1476 * 1477 * @rect: The output bounding box rectangle. 1478 * @line: The current line of the blit. 1479 * @line_offset: Offset of the current line segment. 1480 * @cpp: Bytes per pixel (granularity information). 1481 * @memcpy: Which memcpy function to use. 1482 */ 1483 struct vmw_diff_cpy { 1484 struct drm_rect rect; 1485 size_t line; 1486 size_t line_offset; 1487 int cpp; 1488 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1489 size_t n); 1490 }; 1491 1492 #define VMW_CPU_BLIT_INITIALIZER { \ 1493 .do_cpy = vmw_memcpy, \ 1494 } 1495 1496 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1497 .line = 0, \ 1498 .line_offset = 0, \ 1499 .rect = { .x1 = INT_MAX/2, \ 1500 .y1 = INT_MAX/2, \ 1501 .x2 = INT_MIN/2, \ 1502 .y2 = INT_MIN/2 \ 1503 }, \ 1504 .cpp = _cpp, \ 1505 .do_cpy = vmw_diff_memcpy, \ 1506 } 1507 1508 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1509 size_t n); 1510 1511 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1512 1513 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1514 u32 dst_offset, u32 dst_stride, 1515 struct ttm_buffer_object *src, 1516 u32 src_offset, u32 src_stride, 1517 u32 w, u32 h, 1518 struct vmw_diff_cpy *diff); 1519 1520 /* Host messaging -vmwgfx_msg.c: */ 1521 int vmw_host_get_guestinfo(const char *guest_info_param, 1522 char *buffer, size_t *length); 1523 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1524 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1525 struct drm_file *file_priv); 1526 1527 /* Host mksGuestStats -vmwgfx_msg.c: */ 1528 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1529 1530 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1531 struct drm_file *file_priv); 1532 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1533 struct drm_file *file_priv); 1534 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1535 struct drm_file *file_priv); 1536 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1537 1538 /* VMW logging */ 1539 1540 /** 1541 * VMW_DEBUG_USER - Debug output for user-space debugging. 1542 * 1543 * @fmt: printf() like format string. 1544 * 1545 * This macro is for logging user-space error and debugging messages for e.g. 1546 * command buffer execution errors due to malformed commands, invalid context, 1547 * etc. 1548 */ 1549 #define VMW_DEBUG_USER(fmt, ...) \ 1550 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1551 1552 /* Resource dirtying - vmwgfx_page_dirty.c */ 1553 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1554 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1555 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1556 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1557 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1558 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1559 pgoff_t start, pgoff_t end); 1560 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1561 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1562 1563 1564 /** 1565 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1566 * 1567 * This macro is for debugging vmwgfx mode-setting code. 1568 */ 1569 #define VMW_DEBUG_KMS(fmt, ...) \ 1570 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1571 1572 /** 1573 * Inline helper functions 1574 */ 1575 1576 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1577 { 1578 struct vmw_surface *tmp_srf = *srf; 1579 struct vmw_resource *res = &tmp_srf->res; 1580 *srf = NULL; 1581 1582 vmw_resource_unreference(&res); 1583 } 1584 1585 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1586 { 1587 (void) vmw_resource_reference(&srf->res); 1588 return srf; 1589 } 1590 1591 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1592 { 1593 struct vmw_buffer_object *tmp_buf = *buf; 1594 1595 *buf = NULL; 1596 if (tmp_buf != NULL) 1597 ttm_bo_put(&tmp_buf->base); 1598 } 1599 1600 static inline struct vmw_buffer_object * 1601 vmw_bo_reference(struct vmw_buffer_object *buf) 1602 { 1603 ttm_bo_get(&buf->base); 1604 return buf; 1605 } 1606 1607 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1608 { 1609 atomic_inc(&dev_priv->num_fifo_resources); 1610 } 1611 1612 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1613 { 1614 atomic_dec(&dev_priv->num_fifo_resources); 1615 } 1616 1617 /** 1618 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1619 * 1620 * @fifo_reg: The fifo register to read from 1621 * 1622 * This function is intended to be equivalent to ioread32() on 1623 * memremap'd memory, but without byteswapping. 1624 */ 1625 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1626 { 1627 BUG_ON(vmw_is_svga_v3(vmw)); 1628 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1629 } 1630 1631 /** 1632 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1633 * 1634 * @addr: The fifo register to write to 1635 * 1636 * This function is intended to be equivalent to iowrite32 on 1637 * memremap'd memory, but without byteswapping. 1638 */ 1639 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1640 u32 value) 1641 { 1642 BUG_ON(vmw_is_svga_v3(vmw)); 1643 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1644 } 1645 1646 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1647 { 1648 u32 fence; 1649 if (vmw_is_svga_v3(dev_priv)) 1650 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1651 else 1652 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1653 return fence; 1654 } 1655 1656 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1657 u32 fence) 1658 { 1659 BUG_ON(vmw_is_svga_v3(dev_priv)); 1660 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1661 } 1662 1663 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1664 { 1665 u32 status; 1666 if (vmw_is_svga_v3(vmw)) 1667 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1668 else 1669 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1670 return status; 1671 } 1672 1673 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1674 uint32 status) 1675 { 1676 if (vmw_is_svga_v3(vmw)) 1677 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1678 else 1679 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1680 } 1681 1682 #endif 1683