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 "20210722" 58 #define VMWGFX_DRIVER_MAJOR 2 59 #define VMWGFX_DRIVER_MINOR 19 60 #define VMWGFX_DRIVER_PATCHLEVEL 0 61 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 62 #define VMWGFX_MAX_RELOCATIONS 2048 63 #define VMWGFX_MAX_VALIDATIONS 2048 64 #define VMWGFX_MAX_DISPLAYS 16 65 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 66 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 67 68 #define VMWGFX_PCI_ID_SVGA2 0x0405 69 #define VMWGFX_PCI_ID_SVGA3 0x0406 70 71 /* 72 * Perhaps we should have sysfs entries for these. 73 */ 74 #define VMWGFX_NUM_GB_CONTEXT 256 75 #define VMWGFX_NUM_GB_SHADER 20000 76 #define VMWGFX_NUM_GB_SURFACE 32768 77 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 78 #define VMWGFX_NUM_DXCONTEXT 256 79 #define VMWGFX_NUM_DXQUERY 512 80 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 81 VMWGFX_NUM_GB_SHADER +\ 82 VMWGFX_NUM_GB_SURFACE +\ 83 VMWGFX_NUM_GB_SCREEN_TARGET) 84 85 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 88 89 #define VMW_RES_CONTEXT ttm_driver_type0 90 #define VMW_RES_SURFACE ttm_driver_type1 91 #define VMW_RES_STREAM ttm_driver_type2 92 #define VMW_RES_FENCE ttm_driver_type3 93 #define VMW_RES_SHADER ttm_driver_type4 94 95 #define MKSSTAT_CAPACITY_LOG2 5U 96 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 97 98 struct vmw_fpriv { 99 struct ttm_object_file *tfile; 100 bool gb_aware; /* user-space is guest-backed aware */ 101 }; 102 103 /** 104 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 105 * @base: The TTM buffer object 106 * @res_tree: RB tree of resources using this buffer object as a backing MOB 107 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 108 * increased. May be decreased without reservation. 109 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 110 * @map: Kmap object for semi-persistent mappings 111 * @res_prios: Eviction priority counts for attached resources 112 * @dirty: structure for user-space dirty-tracking 113 */ 114 struct vmw_buffer_object { 115 struct ttm_buffer_object base; 116 struct rb_root res_tree; 117 atomic_t cpu_writers; 118 /* Not ref-counted. Protected by binding_mutex */ 119 struct vmw_resource *dx_query_ctx; 120 /* Protected by reservation */ 121 struct ttm_bo_kmap_obj map; 122 u32 res_prios[TTM_MAX_BO_PRIORITY]; 123 struct vmw_bo_dirty *dirty; 124 }; 125 126 /** 127 * struct vmw_validate_buffer - Carries validation info about buffers. 128 * 129 * @base: Validation info for TTM. 130 * @hash: Hash entry for quick lookup of the TTM buffer object. 131 * 132 * This structure contains also driver private validation info 133 * on top of the info needed by TTM. 134 */ 135 struct vmw_validate_buffer { 136 struct ttm_validate_buffer base; 137 struct vmwgfx_hash_item hash; 138 bool validate_as_mob; 139 }; 140 141 struct vmw_res_func; 142 143 144 /** 145 * struct vmw-resource - base class for hardware resources 146 * 147 * @kref: For refcounting. 148 * @dev_priv: Pointer to the device private for this resource. Immutable. 149 * @id: Device id. Protected by @dev_priv::resource_lock. 150 * @backup_size: Backup buffer size. Immutable. 151 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 152 * by resource reserved. 153 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 154 * Protected by resource reserved. 155 * @coherent: Emulate coherency by tracking vm accesses. 156 * @backup: The backup buffer if any. Protected by resource reserved. 157 * @backup_offset: Offset into the backup buffer if any. Protected by resource 158 * reserved. Note that only a few resource types can have a @backup_offset 159 * different from zero. 160 * @pin_count: The pin count for this resource. A pinned resource has a 161 * pin-count greater than zero. It is not on the resource LRU lists and its 162 * backup buffer is pinned. Hence it can't be evicted. 163 * @func: Method vtable for this resource. Immutable. 164 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 165 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 166 * @binding_head: List head for the context binding list. Protected by 167 * the @dev_priv::binding_mutex 168 * @res_free: The resource destructor. 169 * @hw_destroy: Callback to destroy the resource on the device, as part of 170 * resource destruction. 171 */ 172 struct vmw_resource_dirty; 173 struct vmw_resource { 174 struct kref kref; 175 struct vmw_private *dev_priv; 176 int id; 177 u32 used_prio; 178 unsigned long backup_size; 179 u32 res_dirty : 1; 180 u32 backup_dirty : 1; 181 u32 coherent : 1; 182 struct vmw_buffer_object *backup; 183 unsigned long backup_offset; 184 unsigned long pin_count; 185 const struct vmw_res_func *func; 186 struct rb_node mob_node; 187 struct list_head lru_head; 188 struct list_head binding_head; 189 struct vmw_resource_dirty *dirty; 190 void (*res_free) (struct vmw_resource *res); 191 void (*hw_destroy) (struct vmw_resource *res); 192 }; 193 194 195 /* 196 * Resources that are managed using ioctls. 197 */ 198 enum vmw_res_type { 199 vmw_res_context, 200 vmw_res_surface, 201 vmw_res_stream, 202 vmw_res_shader, 203 vmw_res_dx_context, 204 vmw_res_cotable, 205 vmw_res_view, 206 vmw_res_streamoutput, 207 vmw_res_max 208 }; 209 210 /* 211 * Resources that are managed using command streams. 212 */ 213 enum vmw_cmdbuf_res_type { 214 vmw_cmdbuf_res_shader, 215 vmw_cmdbuf_res_view, 216 vmw_cmdbuf_res_streamoutput 217 }; 218 219 struct vmw_cmdbuf_res_manager; 220 221 struct vmw_cursor_snooper { 222 size_t age; 223 uint32_t *image; 224 }; 225 226 struct vmw_framebuffer; 227 struct vmw_surface_offset; 228 229 /** 230 * struct vmw_surface_metadata - Metadata describing a surface. 231 * 232 * @flags: Device flags. 233 * @format: Surface SVGA3D_x format. 234 * @mip_levels: Mip level for each face. For GB first index is used only. 235 * @multisample_count: Sample count. 236 * @multisample_pattern: Sample patterns. 237 * @quality_level: Quality level. 238 * @autogen_filter: Filter for automatically generated mipmaps. 239 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 240 texture number of faces * array_size. This should be 0 for pre 241 SM4 device. 242 * @buffer_byte_stride: Buffer byte stride. 243 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 244 * @base_size: Surface dimension. 245 * @sizes: Array representing mip sizes. Legacy only. 246 * @scanout: Whether this surface will be used for scanout. 247 * 248 * This tracks metadata for both legacy and guest backed surface. 249 */ 250 struct vmw_surface_metadata { 251 u64 flags; 252 u32 format; 253 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 254 u32 multisample_count; 255 u32 multisample_pattern; 256 u32 quality_level; 257 u32 autogen_filter; 258 u32 array_size; 259 u32 num_sizes; 260 u32 buffer_byte_stride; 261 struct drm_vmw_size base_size; 262 struct drm_vmw_size *sizes; 263 bool scanout; 264 }; 265 266 /** 267 * struct vmw_surface: Resource structure for a surface. 268 * 269 * @res: The base resource for this surface. 270 * @metadata: Metadata for this surface resource. 271 * @snooper: Cursor data. Legacy surface only. 272 * @offsets: Legacy surface only. 273 * @view_list: List of views bound to this surface. 274 */ 275 struct vmw_surface { 276 struct vmw_resource res; 277 struct vmw_surface_metadata metadata; 278 struct vmw_cursor_snooper snooper; 279 struct vmw_surface_offset *offsets; 280 struct list_head view_list; 281 }; 282 283 struct vmw_fifo_state { 284 unsigned long reserved_size; 285 u32 *dynamic_buffer; 286 u32 *static_buffer; 287 unsigned long static_buffer_size; 288 bool using_bounce_buffer; 289 uint32_t capabilities; 290 struct mutex fifo_mutex; 291 struct rw_semaphore rwsem; 292 }; 293 294 /** 295 * struct vmw_res_cache_entry - resource information cache entry 296 * @handle: User-space handle of a resource. 297 * @res: Non-ref-counted pointer to the resource. 298 * @valid_handle: Whether the @handle member is valid. 299 * @valid: Whether the entry is valid, which also implies that the execbuf 300 * code holds a reference to the resource, and it's placed on the 301 * validation list. 302 * 303 * Used to avoid frequent repeated user-space handle lookups of the 304 * same resource. 305 */ 306 struct vmw_res_cache_entry { 307 uint32_t handle; 308 struct vmw_resource *res; 309 void *private; 310 unsigned short valid_handle; 311 unsigned short valid; 312 }; 313 314 /** 315 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 316 */ 317 enum vmw_dma_map_mode { 318 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 319 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 320 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 321 vmw_dma_map_max 322 }; 323 324 /** 325 * struct vmw_sg_table - Scatter/gather table for binding, with additional 326 * device-specific information. 327 * 328 * @sgt: Pointer to a struct sg_table with binding information 329 * @num_regions: Number of regions with device-address contiguous pages 330 */ 331 struct vmw_sg_table { 332 enum vmw_dma_map_mode mode; 333 struct page **pages; 334 const dma_addr_t *addrs; 335 struct sg_table *sgt; 336 unsigned long num_regions; 337 unsigned long num_pages; 338 }; 339 340 /** 341 * struct vmw_piter - Page iterator that iterates over a list of pages 342 * and DMA addresses that could be either a scatter-gather list or 343 * arrays 344 * 345 * @pages: Array of page pointers to the pages. 346 * @addrs: DMA addresses to the pages if coherent pages are used. 347 * @iter: Scatter-gather page iterator. Current position in SG list. 348 * @i: Current position in arrays. 349 * @num_pages: Number of pages total. 350 * @next: Function to advance the iterator. Returns false if past the list 351 * of pages, true otherwise. 352 * @dma_address: Function to return the DMA address of the current page. 353 */ 354 struct vmw_piter { 355 struct page **pages; 356 const dma_addr_t *addrs; 357 struct sg_dma_page_iter iter; 358 unsigned long i; 359 unsigned long num_pages; 360 bool (*next)(struct vmw_piter *); 361 dma_addr_t (*dma_address)(struct vmw_piter *); 362 }; 363 364 /* 365 * enum vmw_display_unit_type - Describes the display unit 366 */ 367 enum vmw_display_unit_type { 368 vmw_du_invalid = 0, 369 vmw_du_legacy, 370 vmw_du_screen_object, 371 vmw_du_screen_target, 372 vmw_du_max 373 }; 374 375 struct vmw_validation_context; 376 struct vmw_ctx_validation_info; 377 378 /** 379 * struct vmw_sw_context - Command submission context 380 * @res_ht: Pointer hash table used to find validation duplicates 381 * @kernel: Whether the command buffer originates from kernel code rather 382 * than from user-space 383 * @fp: If @kernel is false, points to the file of the client. Otherwise 384 * NULL 385 * @cmd_bounce: Command bounce buffer used for command validation before 386 * copying to fifo space 387 * @cmd_bounce_size: Current command bounce buffer size 388 * @cur_query_bo: Current buffer object used as query result buffer 389 * @bo_relocations: List of buffer object relocations 390 * @res_relocations: List of resource relocations 391 * @buf_start: Pointer to start of memory where command validation takes 392 * place 393 * @res_cache: Cache of recently looked up resources 394 * @last_query_ctx: Last context that submitted a query 395 * @needs_post_query_barrier: Whether a query barrier is needed after 396 * command submission 397 * @staged_bindings: Cached per-context binding tracker 398 * @staged_bindings_inuse: Whether the cached per-context binding tracker 399 * is in use 400 * @staged_cmd_res: List of staged command buffer managed resources in this 401 * command buffer 402 * @ctx_list: List of context resources referenced in this command buffer 403 * @dx_ctx_node: Validation metadata of the current DX context 404 * @dx_query_mob: The MOB used for DX queries 405 * @dx_query_ctx: The DX context used for the last DX query 406 * @man: Pointer to the command buffer managed resource manager 407 * @ctx: The validation context 408 */ 409 struct vmw_sw_context{ 410 struct vmwgfx_open_hash res_ht; 411 bool res_ht_initialized; 412 bool kernel; 413 struct vmw_fpriv *fp; 414 uint32_t *cmd_bounce; 415 uint32_t cmd_bounce_size; 416 struct vmw_buffer_object *cur_query_bo; 417 struct list_head bo_relocations; 418 struct list_head res_relocations; 419 uint32_t *buf_start; 420 struct vmw_res_cache_entry res_cache[vmw_res_max]; 421 struct vmw_resource *last_query_ctx; 422 bool needs_post_query_barrier; 423 struct vmw_ctx_binding_state *staged_bindings; 424 bool staged_bindings_inuse; 425 struct list_head staged_cmd_res; 426 struct list_head ctx_list; 427 struct vmw_ctx_validation_info *dx_ctx_node; 428 struct vmw_buffer_object *dx_query_mob; 429 struct vmw_resource *dx_query_ctx; 430 struct vmw_cmdbuf_res_manager *man; 431 struct vmw_validation_context *ctx; 432 }; 433 434 struct vmw_legacy_display; 435 struct vmw_overlay; 436 437 struct vmw_vga_topology_state { 438 uint32_t width; 439 uint32_t height; 440 uint32_t primary; 441 uint32_t pos_x; 442 uint32_t pos_y; 443 }; 444 445 446 /* 447 * struct vmw_otable - Guest Memory OBject table metadata 448 * 449 * @size: Size of the table (page-aligned). 450 * @page_table: Pointer to a struct vmw_mob holding the page table. 451 */ 452 struct vmw_otable { 453 unsigned long size; 454 struct vmw_mob *page_table; 455 bool enabled; 456 }; 457 458 struct vmw_otable_batch { 459 unsigned num_otables; 460 struct vmw_otable *otables; 461 struct vmw_resource *context; 462 struct ttm_buffer_object *otable_bo; 463 }; 464 465 enum { 466 VMW_IRQTHREAD_FENCE, 467 VMW_IRQTHREAD_CMDBUF, 468 VMW_IRQTHREAD_MAX 469 }; 470 471 /** 472 * enum vmw_sm_type - Graphics context capability supported by device. 473 * @VMW_SM_LEGACY: Pre DX context. 474 * @VMW_SM_4: Context support upto SM4. 475 * @VMW_SM_4_1: Context support upto SM4_1. 476 * @VMW_SM_5: Context support up to SM5. 477 * @VMW_SM_MAX: Should be the last. 478 */ 479 enum vmw_sm_type { 480 VMW_SM_LEGACY = 0, 481 VMW_SM_4, 482 VMW_SM_4_1, 483 VMW_SM_5, 484 VMW_SM_MAX 485 }; 486 487 struct vmw_private { 488 struct drm_device drm; 489 struct ttm_device bdev; 490 491 struct drm_vma_offset_manager vma_manager; 492 u32 pci_id; 493 resource_size_t io_start; 494 resource_size_t vram_start; 495 resource_size_t vram_size; 496 resource_size_t max_primary_mem; 497 u32 __iomem *rmmio; 498 u32 *fifo_mem; 499 resource_size_t fifo_mem_size; 500 uint32_t fb_max_width; 501 uint32_t fb_max_height; 502 uint32_t texture_max_width; 503 uint32_t texture_max_height; 504 uint32_t stdu_max_width; 505 uint32_t stdu_max_height; 506 uint32_t initial_width; 507 uint32_t initial_height; 508 uint32_t capabilities; 509 uint32_t capabilities2; 510 uint32_t max_gmr_ids; 511 uint32_t max_gmr_pages; 512 uint32_t max_mob_pages; 513 uint32_t max_mob_size; 514 uint32_t memory_size; 515 bool has_gmr; 516 bool has_mob; 517 spinlock_t hw_lock; 518 bool assume_16bpp; 519 520 enum vmw_sm_type sm_type; 521 522 /* 523 * Framebuffer info. 524 */ 525 526 void *fb_info; 527 enum vmw_display_unit_type active_display_unit; 528 struct vmw_legacy_display *ldu_priv; 529 struct vmw_overlay *overlay_priv; 530 struct drm_property *hotplug_mode_update_property; 531 struct drm_property *implicit_placement_property; 532 spinlock_t cursor_lock; 533 struct drm_atomic_state *suspend_state; 534 535 /* 536 * Context and surface management. 537 */ 538 539 spinlock_t resource_lock; 540 struct idr res_idr[vmw_res_max]; 541 542 /* 543 * A resource manager for kernel-only surfaces and 544 * contexts. 545 */ 546 547 struct ttm_object_device *tdev; 548 549 /* 550 * Fencing and IRQs. 551 */ 552 553 atomic_t marker_seq; 554 wait_queue_head_t fence_queue; 555 wait_queue_head_t fifo_queue; 556 spinlock_t waiter_lock; 557 int fence_queue_waiters; /* Protected by waiter_lock */ 558 int goal_queue_waiters; /* Protected by waiter_lock */ 559 int cmdbuf_waiters; /* Protected by waiter_lock */ 560 int error_waiters; /* Protected by waiter_lock */ 561 int fifo_queue_waiters; /* Protected by waiter_lock */ 562 uint32_t last_read_seqno; 563 struct vmw_fence_manager *fman; 564 uint32_t irq_mask; /* Updates protected by waiter_lock */ 565 566 /* 567 * Device state 568 */ 569 570 uint32_t traces_state; 571 uint32_t enable_state; 572 uint32_t config_done_state; 573 574 /** 575 * Execbuf 576 */ 577 /** 578 * Protected by the cmdbuf mutex. 579 */ 580 581 struct vmw_sw_context ctx; 582 struct mutex cmdbuf_mutex; 583 struct mutex binding_mutex; 584 585 bool enable_fb; 586 587 /** 588 * PM management. 589 */ 590 struct notifier_block pm_nb; 591 bool refuse_hibernation; 592 bool suspend_locked; 593 594 atomic_t num_fifo_resources; 595 596 /* 597 * Query processing. These members 598 * are protected by the cmdbuf mutex. 599 */ 600 601 struct vmw_buffer_object *dummy_query_bo; 602 struct vmw_buffer_object *pinned_bo; 603 uint32_t query_cid; 604 uint32_t query_cid_valid; 605 bool dummy_query_bo_pinned; 606 607 /* 608 * Surface swapping. The "surface_lru" list is protected by the 609 * resource lock in order to be able to destroy a surface and take 610 * it off the lru atomically. "used_memory_size" is currently 611 * protected by the cmdbuf mutex for simplicity. 612 */ 613 614 struct list_head res_lru[vmw_res_max]; 615 uint32_t used_memory_size; 616 617 /* 618 * DMA mapping stuff. 619 */ 620 enum vmw_dma_map_mode map_mode; 621 622 /* 623 * Guest Backed stuff 624 */ 625 struct vmw_otable_batch otable_batch; 626 627 struct vmw_fifo_state *fifo; 628 struct vmw_cmdbuf_man *cman; 629 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 630 631 /* Validation memory reservation */ 632 struct vmw_validation_mem vvm; 633 634 uint32 *devcaps; 635 636 /* 637 * mksGuestStat instance-descriptor and pid arrays 638 */ 639 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 640 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 641 642 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 643 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 644 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 645 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 646 #endif 647 }; 648 649 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 650 { 651 return container_of(res, struct vmw_surface, res); 652 } 653 654 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 655 { 656 return (struct vmw_private *)dev->dev_private; 657 } 658 659 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 660 { 661 return (struct vmw_fpriv *)file_priv->driver_priv; 662 } 663 664 /* 665 * SVGA v3 has mmio register access and lacks fifo cmds 666 */ 667 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 668 { 669 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 670 } 671 672 /* 673 * The locking here is fine-grained, so that it is performed once 674 * for every read- and write operation. This is of course costly, but we 675 * don't perform much register access in the timing critical paths anyway. 676 * Instead we have the extra benefit of being sure that we don't forget 677 * the hw lock around register accesses. 678 */ 679 static inline void vmw_write(struct vmw_private *dev_priv, 680 unsigned int offset, uint32_t value) 681 { 682 if (vmw_is_svga_v3(dev_priv)) { 683 iowrite32(value, dev_priv->rmmio + offset); 684 } else { 685 spin_lock(&dev_priv->hw_lock); 686 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 687 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 688 spin_unlock(&dev_priv->hw_lock); 689 } 690 } 691 692 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 693 unsigned int offset) 694 { 695 u32 val; 696 697 if (vmw_is_svga_v3(dev_priv)) { 698 val = ioread32(dev_priv->rmmio + offset); 699 } else { 700 spin_lock(&dev_priv->hw_lock); 701 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 702 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 703 spin_unlock(&dev_priv->hw_lock); 704 } 705 706 return val; 707 } 708 709 /** 710 * has_sm4_context - Does the device support SM4 context. 711 * @dev_priv: Device private. 712 * 713 * Return: Bool value if device support SM4 context or not. 714 */ 715 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 716 { 717 return (dev_priv->sm_type >= VMW_SM_4); 718 } 719 720 /** 721 * has_sm4_1_context - Does the device support SM4_1 context. 722 * @dev_priv: Device private. 723 * 724 * Return: Bool value if device support SM4_1 context or not. 725 */ 726 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 727 { 728 return (dev_priv->sm_type >= VMW_SM_4_1); 729 } 730 731 /** 732 * has_sm5_context - Does the device support SM5 context. 733 * @dev_priv: Device private. 734 * 735 * Return: Bool value if device support SM5 context or not. 736 */ 737 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 738 { 739 return (dev_priv->sm_type >= VMW_SM_5); 740 } 741 742 extern void vmw_svga_enable(struct vmw_private *dev_priv); 743 extern void vmw_svga_disable(struct vmw_private *dev_priv); 744 745 746 /** 747 * GMR utilities - vmwgfx_gmr.c 748 */ 749 750 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 751 const struct vmw_sg_table *vsgt, 752 unsigned long num_pages, 753 int gmr_id); 754 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 755 756 /** 757 * Resource utilities - vmwgfx_resource.c 758 */ 759 struct vmw_user_resource_conv; 760 761 extern void vmw_resource_unreference(struct vmw_resource **p_res); 762 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 763 extern struct vmw_resource * 764 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 765 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 766 bool dirtying); 767 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 768 bool no_backup); 769 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 770 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 771 struct ttm_object_file *tfile, 772 uint32_t handle, 773 struct vmw_surface **out_surf, 774 struct vmw_buffer_object **out_buf); 775 extern int vmw_user_resource_lookup_handle( 776 struct vmw_private *dev_priv, 777 struct ttm_object_file *tfile, 778 uint32_t handle, 779 const struct vmw_user_resource_conv *converter, 780 struct vmw_resource **p_res); 781 extern struct vmw_resource * 782 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 783 struct ttm_object_file *tfile, 784 uint32_t handle, 785 const struct vmw_user_resource_conv * 786 converter); 787 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 788 struct drm_file *file_priv); 789 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 790 struct drm_file *file_priv); 791 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 792 struct ttm_object_file *tfile, 793 uint32_t *inout_id, 794 struct vmw_resource **out); 795 extern void vmw_resource_unreserve(struct vmw_resource *res, 796 bool dirty_set, 797 bool dirty, 798 bool switch_backup, 799 struct vmw_buffer_object *new_backup, 800 unsigned long new_backup_offset); 801 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 802 struct ttm_resource *old_mem, 803 struct ttm_resource *new_mem); 804 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 805 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 806 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 807 void vmw_resource_mob_attach(struct vmw_resource *res); 808 void vmw_resource_mob_detach(struct vmw_resource *res); 809 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 810 pgoff_t end); 811 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 812 pgoff_t end, pgoff_t *num_prefault); 813 814 /** 815 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 816 * @res: The resource 817 * 818 * Return: true if the resource has a mob attached, false otherwise. 819 */ 820 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 821 { 822 return !RB_EMPTY_NODE(&res->mob_node); 823 } 824 825 /** 826 * vmw_user_resource_noref_release - release a user resource pointer looked up 827 * without reference 828 */ 829 static inline void vmw_user_resource_noref_release(void) 830 { 831 ttm_base_object_noref_release(); 832 } 833 834 /** 835 * Buffer object helper functions - vmwgfx_bo.c 836 */ 837 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 838 struct vmw_buffer_object *bo, 839 struct ttm_placement *placement, 840 bool interruptible); 841 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 842 struct vmw_buffer_object *buf, 843 bool interruptible); 844 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 845 struct vmw_buffer_object *buf, 846 bool interruptible); 847 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 848 struct vmw_buffer_object *bo, 849 bool interruptible); 850 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 851 struct vmw_buffer_object *bo, 852 bool interruptible); 853 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 854 SVGAGuestPtr *ptr); 855 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 856 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 857 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 858 unsigned long size, 859 struct ttm_placement *placement, 860 struct ttm_buffer_object **p_bo); 861 extern int vmw_bo_init(struct vmw_private *dev_priv, 862 struct vmw_buffer_object *vmw_bo, 863 size_t size, struct ttm_placement *placement, 864 bool interruptible, bool pin, 865 void (*bo_free)(struct ttm_buffer_object *bo)); 866 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 867 struct ttm_object_file *tfile); 868 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 869 struct ttm_object_file *tfile, 870 uint32_t size, 871 bool shareable, 872 uint32_t *handle, 873 struct vmw_buffer_object **p_dma_buf, 874 struct ttm_base_object **p_base); 875 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 876 struct vmw_buffer_object *dma_buf, 877 uint32_t *handle); 878 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 879 struct drm_file *file_priv); 880 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 881 struct drm_file *file_priv); 882 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 883 struct drm_file *file_priv); 884 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 885 uint32_t id, struct vmw_buffer_object **out, 886 struct ttm_base_object **base); 887 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 888 struct vmw_fence_obj *fence); 889 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 890 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 891 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 892 struct ttm_resource *mem); 893 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 894 extern struct vmw_buffer_object * 895 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 896 897 /** 898 * vmw_user_bo_noref_release - release a buffer object pointer looked up 899 * without reference 900 */ 901 static inline void vmw_user_bo_noref_release(void) 902 { 903 ttm_base_object_noref_release(); 904 } 905 906 /** 907 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 908 * according to attached resources 909 * @vbo: The struct vmw_buffer_object 910 */ 911 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 912 { 913 int i = ARRAY_SIZE(vbo->res_prios); 914 915 while (i--) { 916 if (vbo->res_prios[i]) { 917 vbo->base.priority = i; 918 return; 919 } 920 } 921 922 vbo->base.priority = 3; 923 } 924 925 /** 926 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 927 * eviction priority 928 * @vbo: The struct vmw_buffer_object 929 * @prio: The resource priority 930 * 931 * After being notified, the code assigns the highest resource eviction priority 932 * to the backing buffer object (mob). 933 */ 934 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 935 { 936 if (vbo->res_prios[prio]++ == 0) 937 vmw_bo_prio_adjust(vbo); 938 } 939 940 /** 941 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 942 * priority being removed 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_del(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 * Misc Ioctl functionality - vmwgfx_ioctl.c 957 */ 958 959 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 960 struct drm_file *file_priv); 961 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 962 struct drm_file *file_priv); 963 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 964 struct drm_file *file_priv); 965 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 966 struct drm_file *file_priv); 967 968 /** 969 * Fifo utilities - vmwgfx_fifo.c 970 */ 971 972 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 973 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 974 extern bool vmw_cmd_supported(struct vmw_private *vmw); 975 extern void * 976 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 977 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 978 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 979 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 980 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 981 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 982 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 983 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 984 uint32_t cid); 985 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 986 bool interruptible); 987 988 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 989 ({ \ 990 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 991 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 992 __func__, (unsigned int) __bytes); \ 993 NULL; \ 994 }); \ 995 }) 996 997 #define VMW_CMD_RESERVE(__priv, __bytes) \ 998 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 999 1000 1001 /** 1002 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1003 * queue or 0 if fifo memory isn't present. 1004 * @dev_priv: The device private context 1005 */ 1006 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1007 { 1008 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1009 return 0; 1010 return dev_priv->fifo->capabilities; 1011 } 1012 1013 1014 /** 1015 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1016 * is enabled in the FIFO. 1017 * @dev_priv: The device private context 1018 */ 1019 static inline bool 1020 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1021 { 1022 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1023 } 1024 1025 /** 1026 * TTM glue - vmwgfx_ttm_glue.c 1027 */ 1028 1029 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1030 1031 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1032 size_t gran); 1033 1034 /** 1035 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1036 */ 1037 1038 extern const size_t vmw_tt_size; 1039 extern struct ttm_placement vmw_vram_placement; 1040 extern struct ttm_placement vmw_vram_sys_placement; 1041 extern struct ttm_placement vmw_vram_gmr_placement; 1042 extern struct ttm_placement vmw_sys_placement; 1043 extern struct ttm_placement vmw_srf_placement; 1044 extern struct ttm_placement vmw_mob_placement; 1045 extern struct ttm_placement vmw_nonfixed_placement; 1046 extern struct ttm_device_funcs vmw_bo_driver; 1047 extern const struct vmw_sg_table * 1048 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1049 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1050 unsigned long bo_size, 1051 struct ttm_buffer_object **bo_p); 1052 1053 extern void vmw_piter_start(struct vmw_piter *viter, 1054 const struct vmw_sg_table *vsgt, 1055 unsigned long p_offs); 1056 1057 /** 1058 * vmw_piter_next - Advance the iterator one page. 1059 * 1060 * @viter: Pointer to the iterator to advance. 1061 * 1062 * Returns false if past the list of pages, true otherwise. 1063 */ 1064 static inline bool vmw_piter_next(struct vmw_piter *viter) 1065 { 1066 return viter->next(viter); 1067 } 1068 1069 /** 1070 * vmw_piter_dma_addr - Return the DMA address of the current page. 1071 * 1072 * @viter: Pointer to the iterator 1073 * 1074 * Returns the DMA address of the page pointed to by @viter. 1075 */ 1076 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1077 { 1078 return viter->dma_address(viter); 1079 } 1080 1081 /** 1082 * vmw_piter_page - Return a pointer to the current page. 1083 * 1084 * @viter: Pointer to the iterator 1085 * 1086 * Returns the DMA address of the page pointed to by @viter. 1087 */ 1088 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1089 { 1090 return viter->pages[viter->i]; 1091 } 1092 1093 /** 1094 * Command submission - vmwgfx_execbuf.c 1095 */ 1096 1097 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1098 struct drm_file *file_priv); 1099 extern int vmw_execbuf_process(struct drm_file *file_priv, 1100 struct vmw_private *dev_priv, 1101 void __user *user_commands, 1102 void *kernel_commands, 1103 uint32_t command_size, 1104 uint64_t throttle_us, 1105 uint32_t dx_context_handle, 1106 struct drm_vmw_fence_rep __user 1107 *user_fence_rep, 1108 struct vmw_fence_obj **out_fence, 1109 uint32_t flags); 1110 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1111 struct vmw_fence_obj *fence); 1112 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1113 1114 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1115 struct vmw_private *dev_priv, 1116 struct vmw_fence_obj **p_fence, 1117 uint32_t *p_handle); 1118 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1119 struct vmw_fpriv *vmw_fp, 1120 int ret, 1121 struct drm_vmw_fence_rep __user 1122 *user_fence_rep, 1123 struct vmw_fence_obj *fence, 1124 uint32_t fence_handle, 1125 int32_t out_fence_fd, 1126 struct sync_file *sync_file); 1127 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1128 1129 /** 1130 * IRQs and wating - vmwgfx_irq.c 1131 */ 1132 1133 extern int vmw_irq_install(struct drm_device *dev, int irq); 1134 extern void vmw_irq_uninstall(struct drm_device *dev); 1135 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1136 uint32_t seqno); 1137 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1138 bool lazy, 1139 bool fifo_idle, 1140 uint32_t seqno, 1141 bool interruptible, 1142 unsigned long timeout); 1143 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1144 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1145 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1146 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1147 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1148 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1149 int *waiter_count); 1150 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1151 u32 flag, int *waiter_count); 1152 1153 1154 /** 1155 * Kernel framebuffer - vmwgfx_fb.c 1156 */ 1157 1158 #ifdef CONFIG_DRM_FBDEV_EMULATION 1159 int vmw_fb_init(struct vmw_private *vmw_priv); 1160 int vmw_fb_close(struct vmw_private *dev_priv); 1161 int vmw_fb_off(struct vmw_private *vmw_priv); 1162 int vmw_fb_on(struct vmw_private *vmw_priv); 1163 #else 1164 static inline int vmw_fb_init(struct vmw_private *vmw_priv) 1165 { 1166 return 0; 1167 } 1168 static inline int vmw_fb_close(struct vmw_private *dev_priv) 1169 { 1170 return 0; 1171 } 1172 static inline int vmw_fb_off(struct vmw_private *vmw_priv) 1173 { 1174 return 0; 1175 } 1176 static inline int vmw_fb_on(struct vmw_private *vmw_priv) 1177 { 1178 return 0; 1179 } 1180 #endif 1181 1182 /** 1183 * Kernel modesetting - vmwgfx_kms.c 1184 */ 1185 1186 int vmw_kms_init(struct vmw_private *dev_priv); 1187 int vmw_kms_close(struct vmw_private *dev_priv); 1188 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1189 struct drm_file *file_priv); 1190 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1191 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1192 struct ttm_object_file *tfile, 1193 struct ttm_buffer_object *bo, 1194 SVGA3dCmdHeader *header); 1195 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1196 unsigned width, unsigned height, unsigned pitch, 1197 unsigned bpp, unsigned depth); 1198 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1199 uint32_t pitch, 1200 uint32_t height); 1201 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1202 int vmw_enable_vblank(struct drm_crtc *crtc); 1203 void vmw_disable_vblank(struct drm_crtc *crtc); 1204 int vmw_kms_present(struct vmw_private *dev_priv, 1205 struct drm_file *file_priv, 1206 struct vmw_framebuffer *vfb, 1207 struct vmw_surface *surface, 1208 uint32_t sid, int32_t destX, int32_t destY, 1209 struct drm_vmw_rect *clips, 1210 uint32_t num_clips); 1211 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1212 struct drm_file *file_priv); 1213 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1214 int vmw_kms_suspend(struct drm_device *dev); 1215 int vmw_kms_resume(struct drm_device *dev); 1216 void vmw_kms_lost_device(struct drm_device *dev); 1217 1218 int vmw_dumb_create(struct drm_file *file_priv, 1219 struct drm_device *dev, 1220 struct drm_mode_create_dumb *args); 1221 1222 int vmw_dumb_map_offset(struct drm_file *file_priv, 1223 struct drm_device *dev, uint32_t handle, 1224 uint64_t *offset); 1225 int vmw_dumb_destroy(struct drm_file *file_priv, 1226 struct drm_device *dev, 1227 uint32_t handle); 1228 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1229 extern void vmw_resource_unpin(struct vmw_resource *res); 1230 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1231 1232 /** 1233 * Overlay control - vmwgfx_overlay.c 1234 */ 1235 1236 int vmw_overlay_init(struct vmw_private *dev_priv); 1237 int vmw_overlay_close(struct vmw_private *dev_priv); 1238 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1239 struct drm_file *file_priv); 1240 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1241 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1242 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1243 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1244 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1245 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1246 1247 /** 1248 * GMR Id manager 1249 */ 1250 1251 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1252 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1253 1254 /** 1255 * System memory manager 1256 */ 1257 int vmw_sys_man_init(struct vmw_private *dev_priv); 1258 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1259 1260 /** 1261 * Prime - vmwgfx_prime.c 1262 */ 1263 1264 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1265 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1266 struct drm_file *file_priv, 1267 int fd, u32 *handle); 1268 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1269 struct drm_file *file_priv, 1270 uint32_t handle, uint32_t flags, 1271 int *prime_fd); 1272 1273 /* 1274 * MemoryOBject management - vmwgfx_mob.c 1275 */ 1276 struct vmw_mob; 1277 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1278 const struct vmw_sg_table *vsgt, 1279 unsigned long num_data_pages, int32_t mob_id); 1280 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1281 struct vmw_mob *mob); 1282 extern void vmw_mob_destroy(struct vmw_mob *mob); 1283 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1284 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1285 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1286 1287 /* 1288 * Context management - vmwgfx_context.c 1289 */ 1290 1291 extern const struct vmw_user_resource_conv *user_context_converter; 1292 1293 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1294 struct drm_file *file_priv); 1295 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1296 struct drm_file *file_priv); 1297 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1298 struct drm_file *file_priv); 1299 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1300 extern struct vmw_cmdbuf_res_manager * 1301 vmw_context_res_man(struct vmw_resource *ctx); 1302 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1303 SVGACOTableType cotable_type); 1304 struct vmw_ctx_binding_state; 1305 extern struct vmw_ctx_binding_state * 1306 vmw_context_binding_state(struct vmw_resource *ctx); 1307 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1308 bool readback); 1309 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1310 struct vmw_buffer_object *mob); 1311 extern struct vmw_buffer_object * 1312 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1313 1314 1315 /* 1316 * Surface management - vmwgfx_surface.c 1317 */ 1318 1319 extern const struct vmw_user_resource_conv *user_surface_converter; 1320 1321 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1322 struct drm_file *file_priv); 1323 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1324 struct drm_file *file_priv); 1325 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1326 struct drm_file *file_priv); 1327 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1328 struct drm_file *file_priv); 1329 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1330 struct drm_file *file_priv); 1331 int vmw_surface_gb_priv_define(struct drm_device *dev, 1332 uint32_t user_accounting_size, 1333 SVGA3dSurfaceAllFlags svga3d_flags, 1334 SVGA3dSurfaceFormat format, 1335 bool for_scanout, 1336 uint32_t num_mip_levels, 1337 uint32_t multisample_count, 1338 uint32_t array_size, 1339 struct drm_vmw_size size, 1340 SVGA3dMSPattern multisample_pattern, 1341 SVGA3dMSQualityLevel quality_level, 1342 struct vmw_surface **srf_out); 1343 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1344 void *data, 1345 struct drm_file *file_priv); 1346 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1347 void *data, 1348 struct drm_file *file_priv); 1349 1350 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1351 uint32_t user_accounting_size, 1352 const struct vmw_surface_metadata *req, 1353 struct vmw_surface **srf_out); 1354 1355 /* 1356 * Shader management - vmwgfx_shader.c 1357 */ 1358 1359 extern const struct vmw_user_resource_conv *user_shader_converter; 1360 1361 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1362 struct drm_file *file_priv); 1363 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1364 struct drm_file *file_priv); 1365 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1366 struct vmw_cmdbuf_res_manager *man, 1367 u32 user_key, const void *bytecode, 1368 SVGA3dShaderType shader_type, 1369 size_t size, 1370 struct list_head *list); 1371 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1372 u32 user_key, SVGA3dShaderType shader_type, 1373 struct list_head *list); 1374 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1375 struct vmw_resource *ctx, 1376 u32 user_key, 1377 SVGA3dShaderType shader_type, 1378 struct list_head *list); 1379 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1380 struct list_head *list, 1381 bool readback); 1382 1383 extern struct vmw_resource * 1384 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1385 u32 user_key, SVGA3dShaderType shader_type); 1386 1387 /* 1388 * Streamoutput management 1389 */ 1390 struct vmw_resource * 1391 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1392 u32 user_key); 1393 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1394 struct vmw_resource *ctx, 1395 SVGA3dStreamOutputId user_key, 1396 struct list_head *list); 1397 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1398 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1399 SVGA3dStreamOutputId user_key, 1400 struct list_head *list); 1401 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1402 struct list_head *list, 1403 bool readback); 1404 1405 /* 1406 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1407 */ 1408 1409 extern struct vmw_cmdbuf_res_manager * 1410 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1411 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1412 extern size_t vmw_cmdbuf_res_man_size(void); 1413 extern struct vmw_resource * 1414 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1415 enum vmw_cmdbuf_res_type res_type, 1416 u32 user_key); 1417 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1418 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1419 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1420 enum vmw_cmdbuf_res_type res_type, 1421 u32 user_key, 1422 struct vmw_resource *res, 1423 struct list_head *list); 1424 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1425 enum vmw_cmdbuf_res_type res_type, 1426 u32 user_key, 1427 struct list_head *list, 1428 struct vmw_resource **res); 1429 1430 /* 1431 * COTable management - vmwgfx_cotable.c 1432 */ 1433 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1434 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1435 struct vmw_resource *ctx, 1436 u32 type); 1437 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1438 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1439 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1440 struct list_head *head); 1441 1442 /* 1443 * Command buffer managerment vmwgfx_cmdbuf.c 1444 */ 1445 struct vmw_cmdbuf_man; 1446 struct vmw_cmdbuf_header; 1447 1448 extern struct vmw_cmdbuf_man * 1449 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1450 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1451 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1452 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1453 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1454 unsigned long timeout); 1455 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1456 int ctx_id, bool interruptible, 1457 struct vmw_cmdbuf_header *header); 1458 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1459 struct vmw_cmdbuf_header *header, 1460 bool flush); 1461 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1462 size_t size, bool interruptible, 1463 struct vmw_cmdbuf_header **p_header); 1464 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1465 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1466 bool interruptible); 1467 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1468 1469 /* CPU blit utilities - vmwgfx_blit.c */ 1470 1471 /** 1472 * struct vmw_diff_cpy - CPU blit information structure 1473 * 1474 * @rect: The output bounding box rectangle. 1475 * @line: The current line of the blit. 1476 * @line_offset: Offset of the current line segment. 1477 * @cpp: Bytes per pixel (granularity information). 1478 * @memcpy: Which memcpy function to use. 1479 */ 1480 struct vmw_diff_cpy { 1481 struct drm_rect rect; 1482 size_t line; 1483 size_t line_offset; 1484 int cpp; 1485 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1486 size_t n); 1487 }; 1488 1489 #define VMW_CPU_BLIT_INITIALIZER { \ 1490 .do_cpy = vmw_memcpy, \ 1491 } 1492 1493 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1494 .line = 0, \ 1495 .line_offset = 0, \ 1496 .rect = { .x1 = INT_MAX/2, \ 1497 .y1 = INT_MAX/2, \ 1498 .x2 = INT_MIN/2, \ 1499 .y2 = INT_MIN/2 \ 1500 }, \ 1501 .cpp = _cpp, \ 1502 .do_cpy = vmw_diff_memcpy, \ 1503 } 1504 1505 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1506 size_t n); 1507 1508 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1509 1510 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1511 u32 dst_offset, u32 dst_stride, 1512 struct ttm_buffer_object *src, 1513 u32 src_offset, u32 src_stride, 1514 u32 w, u32 h, 1515 struct vmw_diff_cpy *diff); 1516 1517 /* Host messaging -vmwgfx_msg.c: */ 1518 int vmw_host_get_guestinfo(const char *guest_info_param, 1519 char *buffer, size_t *length); 1520 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1521 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1522 struct drm_file *file_priv); 1523 1524 /* Host mksGuestStats -vmwgfx_msg.c: */ 1525 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1526 1527 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1528 struct drm_file *file_priv); 1529 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1530 struct drm_file *file_priv); 1531 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1532 struct drm_file *file_priv); 1533 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1534 1535 /* VMW logging */ 1536 1537 /** 1538 * VMW_DEBUG_USER - Debug output for user-space debugging. 1539 * 1540 * @fmt: printf() like format string. 1541 * 1542 * This macro is for logging user-space error and debugging messages for e.g. 1543 * command buffer execution errors due to malformed commands, invalid context, 1544 * etc. 1545 */ 1546 #define VMW_DEBUG_USER(fmt, ...) \ 1547 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1548 1549 /* Resource dirtying - vmwgfx_page_dirty.c */ 1550 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1551 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1552 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1553 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1554 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1555 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1556 pgoff_t start, pgoff_t end); 1557 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1558 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1559 1560 /* Transparent hugepage support - vmwgfx_thp.c */ 1561 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1562 extern int vmw_thp_init(struct vmw_private *dev_priv); 1563 void vmw_thp_fini(struct vmw_private *dev_priv); 1564 #endif 1565 1566 /** 1567 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1568 * 1569 * This macro is for debugging vmwgfx mode-setting code. 1570 */ 1571 #define VMW_DEBUG_KMS(fmt, ...) \ 1572 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1573 1574 /** 1575 * Inline helper functions 1576 */ 1577 1578 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1579 { 1580 struct vmw_surface *tmp_srf = *srf; 1581 struct vmw_resource *res = &tmp_srf->res; 1582 *srf = NULL; 1583 1584 vmw_resource_unreference(&res); 1585 } 1586 1587 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1588 { 1589 (void) vmw_resource_reference(&srf->res); 1590 return srf; 1591 } 1592 1593 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1594 { 1595 struct vmw_buffer_object *tmp_buf = *buf; 1596 1597 *buf = NULL; 1598 if (tmp_buf != NULL) 1599 ttm_bo_put(&tmp_buf->base); 1600 } 1601 1602 static inline struct vmw_buffer_object * 1603 vmw_bo_reference(struct vmw_buffer_object *buf) 1604 { 1605 ttm_bo_get(&buf->base); 1606 return buf; 1607 } 1608 1609 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1610 { 1611 return &ttm_mem_glob; 1612 } 1613 1614 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1615 { 1616 atomic_inc(&dev_priv->num_fifo_resources); 1617 } 1618 1619 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1620 { 1621 atomic_dec(&dev_priv->num_fifo_resources); 1622 } 1623 1624 /** 1625 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1626 * 1627 * @fifo_reg: The fifo register to read from 1628 * 1629 * This function is intended to be equivalent to ioread32() on 1630 * memremap'd memory, but without byteswapping. 1631 */ 1632 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1633 { 1634 BUG_ON(vmw_is_svga_v3(vmw)); 1635 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1636 } 1637 1638 /** 1639 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1640 * 1641 * @addr: The fifo register to write to 1642 * 1643 * This function is intended to be equivalent to iowrite32 on 1644 * memremap'd memory, but without byteswapping. 1645 */ 1646 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1647 u32 value) 1648 { 1649 BUG_ON(vmw_is_svga_v3(vmw)); 1650 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1651 } 1652 1653 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1654 { 1655 u32 fence; 1656 if (vmw_is_svga_v3(dev_priv)) 1657 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1658 else 1659 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1660 return fence; 1661 } 1662 1663 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1664 u32 fence) 1665 { 1666 BUG_ON(vmw_is_svga_v3(dev_priv)); 1667 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1668 } 1669 1670 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1671 { 1672 u32 status; 1673 if (vmw_is_svga_v3(vmw)) 1674 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1675 else 1676 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1677 return status; 1678 } 1679 1680 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1681 uint32 status) 1682 { 1683 if (vmw_is_svga_v3(vmw)) 1684 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1685 else 1686 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1687 } 1688 1689 #endif 1690