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_hashtab.h> 38 #include <drm/drm_rect.h> 39 40 #include <drm/ttm/ttm_bo_driver.h> 41 #include <drm/ttm/ttm_execbuf_util.h> 42 43 #include "ttm_object.h" 44 45 #include "vmwgfx_fence.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 88 #define VMW_RES_CONTEXT ttm_driver_type0 89 #define VMW_RES_SURFACE ttm_driver_type1 90 #define VMW_RES_STREAM ttm_driver_type2 91 #define VMW_RES_FENCE ttm_driver_type3 92 #define VMW_RES_SHADER ttm_driver_type4 93 94 #define MKSSTAT_CAPACITY_LOG2 5U 95 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 96 97 struct vmw_fpriv { 98 struct ttm_object_file *tfile; 99 bool gb_aware; /* user-space is guest-backed aware */ 100 }; 101 102 /** 103 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 104 * @base: The TTM buffer object 105 * @res_tree: RB tree of resources using this buffer object as a backing MOB 106 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 107 * increased. May be decreased without reservation. 108 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 109 * @map: Kmap object for semi-persistent mappings 110 * @res_prios: Eviction priority counts for attached resources 111 * @dirty: structure for user-space dirty-tracking 112 */ 113 struct vmw_buffer_object { 114 struct ttm_buffer_object base; 115 struct rb_root res_tree; 116 atomic_t cpu_writers; 117 /* Not ref-counted. Protected by binding_mutex */ 118 struct vmw_resource *dx_query_ctx; 119 /* Protected by reservation */ 120 struct ttm_bo_kmap_obj map; 121 u32 res_prios[TTM_MAX_BO_PRIORITY]; 122 struct vmw_bo_dirty *dirty; 123 }; 124 125 /** 126 * struct vmw_validate_buffer - Carries validation info about buffers. 127 * 128 * @base: Validation info for TTM. 129 * @hash: Hash entry for quick lookup of the TTM buffer object. 130 * 131 * This structure contains also driver private validation info 132 * on top of the info needed by TTM. 133 */ 134 struct vmw_validate_buffer { 135 struct ttm_validate_buffer base; 136 struct drm_hash_item hash; 137 bool validate_as_mob; 138 }; 139 140 struct vmw_res_func; 141 142 143 /** 144 * struct vmw-resource - base class for hardware resources 145 * 146 * @kref: For refcounting. 147 * @dev_priv: Pointer to the device private for this resource. Immutable. 148 * @id: Device id. Protected by @dev_priv::resource_lock. 149 * @backup_size: Backup buffer size. Immutable. 150 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 151 * by resource reserved. 152 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 153 * Protected by resource reserved. 154 * @coherent: Emulate coherency by tracking vm accesses. 155 * @backup: The backup buffer if any. Protected by resource reserved. 156 * @backup_offset: Offset into the backup buffer if any. Protected by resource 157 * reserved. Note that only a few resource types can have a @backup_offset 158 * different from zero. 159 * @pin_count: The pin count for this resource. A pinned resource has a 160 * pin-count greater than zero. It is not on the resource LRU lists and its 161 * backup buffer is pinned. Hence it can't be evicted. 162 * @func: Method vtable for this resource. Immutable. 163 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 164 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 165 * @binding_head: List head for the context binding list. Protected by 166 * the @dev_priv::binding_mutex 167 * @res_free: The resource destructor. 168 * @hw_destroy: Callback to destroy the resource on the device, as part of 169 * resource destruction. 170 */ 171 struct vmw_resource_dirty; 172 struct vmw_resource { 173 struct kref kref; 174 struct vmw_private *dev_priv; 175 int id; 176 u32 used_prio; 177 unsigned long backup_size; 178 u32 res_dirty : 1; 179 u32 backup_dirty : 1; 180 u32 coherent : 1; 181 struct vmw_buffer_object *backup; 182 unsigned long backup_offset; 183 unsigned long pin_count; 184 const struct vmw_res_func *func; 185 struct rb_node mob_node; 186 struct list_head lru_head; 187 struct list_head binding_head; 188 struct vmw_resource_dirty *dirty; 189 void (*res_free) (struct vmw_resource *res); 190 void (*hw_destroy) (struct vmw_resource *res); 191 }; 192 193 194 /* 195 * Resources that are managed using ioctls. 196 */ 197 enum vmw_res_type { 198 vmw_res_context, 199 vmw_res_surface, 200 vmw_res_stream, 201 vmw_res_shader, 202 vmw_res_dx_context, 203 vmw_res_cotable, 204 vmw_res_view, 205 vmw_res_streamoutput, 206 vmw_res_max 207 }; 208 209 /* 210 * Resources that are managed using command streams. 211 */ 212 enum vmw_cmdbuf_res_type { 213 vmw_cmdbuf_res_shader, 214 vmw_cmdbuf_res_view, 215 vmw_cmdbuf_res_streamoutput 216 }; 217 218 struct vmw_cmdbuf_res_manager; 219 220 struct vmw_cursor_snooper { 221 size_t age; 222 uint32_t *image; 223 }; 224 225 struct vmw_framebuffer; 226 struct vmw_surface_offset; 227 228 /** 229 * struct vmw_surface_metadata - Metadata describing a surface. 230 * 231 * @flags: Device flags. 232 * @format: Surface SVGA3D_x format. 233 * @mip_levels: Mip level for each face. For GB first index is used only. 234 * @multisample_count: Sample count. 235 * @multisample_pattern: Sample patterns. 236 * @quality_level: Quality level. 237 * @autogen_filter: Filter for automatically generated mipmaps. 238 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 239 texture number of faces * array_size. This should be 0 for pre 240 SM4 device. 241 * @buffer_byte_stride: Buffer byte stride. 242 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 243 * @base_size: Surface dimension. 244 * @sizes: Array representing mip sizes. Legacy only. 245 * @scanout: Whether this surface will be used for scanout. 246 * 247 * This tracks metadata for both legacy and guest backed surface. 248 */ 249 struct vmw_surface_metadata { 250 u64 flags; 251 u32 format; 252 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 253 u32 multisample_count; 254 u32 multisample_pattern; 255 u32 quality_level; 256 u32 autogen_filter; 257 u32 array_size; 258 u32 num_sizes; 259 u32 buffer_byte_stride; 260 struct drm_vmw_size base_size; 261 struct drm_vmw_size *sizes; 262 bool scanout; 263 }; 264 265 /** 266 * struct vmw_surface: Resource structure for a surface. 267 * 268 * @res: The base resource for this surface. 269 * @metadata: Metadata for this surface resource. 270 * @snooper: Cursor data. Legacy surface only. 271 * @offsets: Legacy surface only. 272 * @view_list: List of views bound to this surface. 273 */ 274 struct vmw_surface { 275 struct vmw_resource res; 276 struct vmw_surface_metadata metadata; 277 struct vmw_cursor_snooper snooper; 278 struct vmw_surface_offset *offsets; 279 struct list_head view_list; 280 }; 281 282 struct vmw_fifo_state { 283 unsigned long reserved_size; 284 u32 *dynamic_buffer; 285 u32 *static_buffer; 286 unsigned long static_buffer_size; 287 bool using_bounce_buffer; 288 uint32_t capabilities; 289 struct mutex fifo_mutex; 290 struct rw_semaphore rwsem; 291 }; 292 293 /** 294 * struct vmw_res_cache_entry - resource information cache entry 295 * @handle: User-space handle of a resource. 296 * @res: Non-ref-counted pointer to the resource. 297 * @valid_handle: Whether the @handle member is valid. 298 * @valid: Whether the entry is valid, which also implies that the execbuf 299 * code holds a reference to the resource, and it's placed on the 300 * validation list. 301 * 302 * Used to avoid frequent repeated user-space handle lookups of the 303 * same resource. 304 */ 305 struct vmw_res_cache_entry { 306 uint32_t handle; 307 struct vmw_resource *res; 308 void *private; 309 unsigned short valid_handle; 310 unsigned short valid; 311 }; 312 313 /** 314 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 315 */ 316 enum vmw_dma_map_mode { 317 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 318 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 319 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 320 vmw_dma_map_max 321 }; 322 323 /** 324 * struct vmw_sg_table - Scatter/gather table for binding, with additional 325 * device-specific information. 326 * 327 * @sgt: Pointer to a struct sg_table with binding information 328 * @num_regions: Number of regions with device-address contiguous pages 329 */ 330 struct vmw_sg_table { 331 enum vmw_dma_map_mode mode; 332 struct page **pages; 333 const dma_addr_t *addrs; 334 struct sg_table *sgt; 335 unsigned long num_regions; 336 unsigned long num_pages; 337 }; 338 339 /** 340 * struct vmw_piter - Page iterator that iterates over a list of pages 341 * and DMA addresses that could be either a scatter-gather list or 342 * arrays 343 * 344 * @pages: Array of page pointers to the pages. 345 * @addrs: DMA addresses to the pages if coherent pages are used. 346 * @iter: Scatter-gather page iterator. Current position in SG list. 347 * @i: Current position in arrays. 348 * @num_pages: Number of pages total. 349 * @next: Function to advance the iterator. Returns false if past the list 350 * of pages, true otherwise. 351 * @dma_address: Function to return the DMA address of the current page. 352 */ 353 struct vmw_piter { 354 struct page **pages; 355 const dma_addr_t *addrs; 356 struct sg_dma_page_iter iter; 357 unsigned long i; 358 unsigned long num_pages; 359 bool (*next)(struct vmw_piter *); 360 dma_addr_t (*dma_address)(struct vmw_piter *); 361 }; 362 363 /* 364 * enum vmw_display_unit_type - Describes the display unit 365 */ 366 enum vmw_display_unit_type { 367 vmw_du_invalid = 0, 368 vmw_du_legacy, 369 vmw_du_screen_object, 370 vmw_du_screen_target, 371 vmw_du_max 372 }; 373 374 struct vmw_validation_context; 375 struct vmw_ctx_validation_info; 376 377 /** 378 * struct vmw_sw_context - Command submission context 379 * @res_ht: Pointer hash table used to find validation duplicates 380 * @kernel: Whether the command buffer originates from kernel code rather 381 * than from user-space 382 * @fp: If @kernel is false, points to the file of the client. Otherwise 383 * NULL 384 * @cmd_bounce: Command bounce buffer used for command validation before 385 * copying to fifo space 386 * @cmd_bounce_size: Current command bounce buffer size 387 * @cur_query_bo: Current buffer object used as query result buffer 388 * @bo_relocations: List of buffer object relocations 389 * @res_relocations: List of resource relocations 390 * @buf_start: Pointer to start of memory where command validation takes 391 * place 392 * @res_cache: Cache of recently looked up resources 393 * @last_query_ctx: Last context that submitted a query 394 * @needs_post_query_barrier: Whether a query barrier is needed after 395 * command submission 396 * @staged_bindings: Cached per-context binding tracker 397 * @staged_bindings_inuse: Whether the cached per-context binding tracker 398 * is in use 399 * @staged_cmd_res: List of staged command buffer managed resources in this 400 * command buffer 401 * @ctx_list: List of context resources referenced in this command buffer 402 * @dx_ctx_node: Validation metadata of the current DX context 403 * @dx_query_mob: The MOB used for DX queries 404 * @dx_query_ctx: The DX context used for the last DX query 405 * @man: Pointer to the command buffer managed resource manager 406 * @ctx: The validation context 407 */ 408 struct vmw_sw_context{ 409 struct drm_open_hash res_ht; 410 bool res_ht_initialized; 411 bool kernel; 412 struct vmw_fpriv *fp; 413 uint32_t *cmd_bounce; 414 uint32_t cmd_bounce_size; 415 struct vmw_buffer_object *cur_query_bo; 416 struct list_head bo_relocations; 417 struct list_head res_relocations; 418 uint32_t *buf_start; 419 struct vmw_res_cache_entry res_cache[vmw_res_max]; 420 struct vmw_resource *last_query_ctx; 421 bool needs_post_query_barrier; 422 struct vmw_ctx_binding_state *staged_bindings; 423 bool staged_bindings_inuse; 424 struct list_head staged_cmd_res; 425 struct list_head ctx_list; 426 struct vmw_ctx_validation_info *dx_ctx_node; 427 struct vmw_buffer_object *dx_query_mob; 428 struct vmw_resource *dx_query_ctx; 429 struct vmw_cmdbuf_res_manager *man; 430 struct vmw_validation_context *ctx; 431 }; 432 433 struct vmw_legacy_display; 434 struct vmw_overlay; 435 436 struct vmw_vga_topology_state { 437 uint32_t width; 438 uint32_t height; 439 uint32_t primary; 440 uint32_t pos_x; 441 uint32_t pos_y; 442 }; 443 444 445 /* 446 * struct vmw_otable - Guest Memory OBject table metadata 447 * 448 * @size: Size of the table (page-aligned). 449 * @page_table: Pointer to a struct vmw_mob holding the page table. 450 */ 451 struct vmw_otable { 452 unsigned long size; 453 struct vmw_mob *page_table; 454 bool enabled; 455 }; 456 457 struct vmw_otable_batch { 458 unsigned num_otables; 459 struct vmw_otable *otables; 460 struct vmw_resource *context; 461 struct ttm_buffer_object *otable_bo; 462 }; 463 464 enum { 465 VMW_IRQTHREAD_FENCE, 466 VMW_IRQTHREAD_CMDBUF, 467 VMW_IRQTHREAD_MAX 468 }; 469 470 /** 471 * enum vmw_sm_type - Graphics context capability supported by device. 472 * @VMW_SM_LEGACY: Pre DX context. 473 * @VMW_SM_4: Context support upto SM4. 474 * @VMW_SM_4_1: Context support upto SM4_1. 475 * @VMW_SM_5: Context support up to SM5. 476 * @VMW_SM_MAX: Should be the last. 477 */ 478 enum vmw_sm_type { 479 VMW_SM_LEGACY = 0, 480 VMW_SM_4, 481 VMW_SM_4_1, 482 VMW_SM_5, 483 VMW_SM_MAX 484 }; 485 486 struct vmw_private { 487 struct drm_device drm; 488 struct ttm_device bdev; 489 490 struct drm_vma_offset_manager vma_manager; 491 u32 pci_id; 492 resource_size_t io_start; 493 resource_size_t vram_start; 494 resource_size_t vram_size; 495 resource_size_t max_primary_mem; 496 u32 __iomem *rmmio; 497 u32 *fifo_mem; 498 resource_size_t fifo_mem_size; 499 uint32_t fb_max_width; 500 uint32_t fb_max_height; 501 uint32_t texture_max_width; 502 uint32_t texture_max_height; 503 uint32_t stdu_max_width; 504 uint32_t stdu_max_height; 505 uint32_t initial_width; 506 uint32_t initial_height; 507 uint32_t capabilities; 508 uint32_t capabilities2; 509 uint32_t max_gmr_ids; 510 uint32_t max_gmr_pages; 511 uint32_t max_mob_pages; 512 uint32_t max_mob_size; 513 uint32_t memory_size; 514 bool has_gmr; 515 bool has_mob; 516 spinlock_t hw_lock; 517 bool assume_16bpp; 518 519 enum vmw_sm_type sm_type; 520 521 /* 522 * Framebuffer info. 523 */ 524 525 void *fb_info; 526 enum vmw_display_unit_type active_display_unit; 527 struct vmw_legacy_display *ldu_priv; 528 struct vmw_overlay *overlay_priv; 529 struct drm_property *hotplug_mode_update_property; 530 struct drm_property *implicit_placement_property; 531 spinlock_t cursor_lock; 532 struct drm_atomic_state *suspend_state; 533 534 /* 535 * Context and surface management. 536 */ 537 538 spinlock_t resource_lock; 539 struct idr res_idr[vmw_res_max]; 540 541 /* 542 * A resource manager for kernel-only surfaces and 543 * contexts. 544 */ 545 546 struct ttm_object_device *tdev; 547 548 /* 549 * Fencing and IRQs. 550 */ 551 552 atomic_t marker_seq; 553 wait_queue_head_t fence_queue; 554 wait_queue_head_t fifo_queue; 555 spinlock_t waiter_lock; 556 int fence_queue_waiters; /* Protected by waiter_lock */ 557 int goal_queue_waiters; /* Protected by waiter_lock */ 558 int cmdbuf_waiters; /* Protected by waiter_lock */ 559 int error_waiters; /* Protected by waiter_lock */ 560 int fifo_queue_waiters; /* Protected by waiter_lock */ 561 uint32_t last_read_seqno; 562 struct vmw_fence_manager *fman; 563 uint32_t irq_mask; /* Updates protected by waiter_lock */ 564 565 /* 566 * Device state 567 */ 568 569 uint32_t traces_state; 570 uint32_t enable_state; 571 uint32_t config_done_state; 572 573 /** 574 * Execbuf 575 */ 576 /** 577 * Protected by the cmdbuf mutex. 578 */ 579 580 struct vmw_sw_context ctx; 581 struct mutex cmdbuf_mutex; 582 struct mutex binding_mutex; 583 584 bool enable_fb; 585 586 /** 587 * PM management. 588 */ 589 struct notifier_block pm_nb; 590 bool refuse_hibernation; 591 bool suspend_locked; 592 593 atomic_t num_fifo_resources; 594 595 /* 596 * Query processing. These members 597 * are protected by the cmdbuf mutex. 598 */ 599 600 struct vmw_buffer_object *dummy_query_bo; 601 struct vmw_buffer_object *pinned_bo; 602 uint32_t query_cid; 603 uint32_t query_cid_valid; 604 bool dummy_query_bo_pinned; 605 606 /* 607 * Surface swapping. The "surface_lru" list is protected by the 608 * resource lock in order to be able to destroy a surface and take 609 * it off the lru atomically. "used_memory_size" is currently 610 * protected by the cmdbuf mutex for simplicity. 611 */ 612 613 struct list_head res_lru[vmw_res_max]; 614 uint32_t used_memory_size; 615 616 /* 617 * DMA mapping stuff. 618 */ 619 enum vmw_dma_map_mode map_mode; 620 621 /* 622 * Guest Backed stuff 623 */ 624 struct vmw_otable_batch otable_batch; 625 626 struct vmw_fifo_state *fifo; 627 struct vmw_cmdbuf_man *cman; 628 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 629 630 /* Validation memory reservation */ 631 struct vmw_validation_mem vvm; 632 633 uint32 *devcaps; 634 635 /* 636 * mksGuestStat instance-descriptor and pid arrays 637 */ 638 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 639 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 640 641 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 642 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 643 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 644 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 645 #endif 646 }; 647 648 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 649 { 650 return container_of(res, struct vmw_surface, res); 651 } 652 653 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 654 { 655 return (struct vmw_private *)dev->dev_private; 656 } 657 658 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 659 { 660 return (struct vmw_fpriv *)file_priv->driver_priv; 661 } 662 663 /* 664 * SVGA v3 has mmio register access and lacks fifo cmds 665 */ 666 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 667 { 668 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 669 } 670 671 /* 672 * The locking here is fine-grained, so that it is performed once 673 * for every read- and write operation. This is of course costly, but we 674 * don't perform much register access in the timing critical paths anyway. 675 * Instead we have the extra benefit of being sure that we don't forget 676 * the hw lock around register accesses. 677 */ 678 static inline void vmw_write(struct vmw_private *dev_priv, 679 unsigned int offset, uint32_t value) 680 { 681 if (vmw_is_svga_v3(dev_priv)) { 682 iowrite32(value, dev_priv->rmmio + offset); 683 } else { 684 spin_lock(&dev_priv->hw_lock); 685 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 686 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 687 spin_unlock(&dev_priv->hw_lock); 688 } 689 } 690 691 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 692 unsigned int offset) 693 { 694 u32 val; 695 696 if (vmw_is_svga_v3(dev_priv)) { 697 val = ioread32(dev_priv->rmmio + offset); 698 } else { 699 spin_lock(&dev_priv->hw_lock); 700 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 701 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 702 spin_unlock(&dev_priv->hw_lock); 703 } 704 705 return val; 706 } 707 708 /** 709 * has_sm4_context - Does the device support SM4 context. 710 * @dev_priv: Device private. 711 * 712 * Return: Bool value if device support SM4 context or not. 713 */ 714 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 715 { 716 return (dev_priv->sm_type >= VMW_SM_4); 717 } 718 719 /** 720 * has_sm4_1_context - Does the device support SM4_1 context. 721 * @dev_priv: Device private. 722 * 723 * Return: Bool value if device support SM4_1 context or not. 724 */ 725 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 726 { 727 return (dev_priv->sm_type >= VMW_SM_4_1); 728 } 729 730 /** 731 * has_sm5_context - Does the device support SM5 context. 732 * @dev_priv: Device private. 733 * 734 * Return: Bool value if device support SM5 context or not. 735 */ 736 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 737 { 738 return (dev_priv->sm_type >= VMW_SM_5); 739 } 740 741 extern void vmw_svga_enable(struct vmw_private *dev_priv); 742 extern void vmw_svga_disable(struct vmw_private *dev_priv); 743 744 745 /** 746 * GMR utilities - vmwgfx_gmr.c 747 */ 748 749 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 750 const struct vmw_sg_table *vsgt, 751 unsigned long num_pages, 752 int gmr_id); 753 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 754 755 /** 756 * Resource utilities - vmwgfx_resource.c 757 */ 758 struct vmw_user_resource_conv; 759 760 extern void vmw_resource_unreference(struct vmw_resource **p_res); 761 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 762 extern struct vmw_resource * 763 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 764 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 765 bool dirtying); 766 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 767 bool no_backup); 768 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 769 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 770 struct ttm_object_file *tfile, 771 uint32_t handle, 772 struct vmw_surface **out_surf, 773 struct vmw_buffer_object **out_buf); 774 extern int vmw_user_resource_lookup_handle( 775 struct vmw_private *dev_priv, 776 struct ttm_object_file *tfile, 777 uint32_t handle, 778 const struct vmw_user_resource_conv *converter, 779 struct vmw_resource **p_res); 780 extern struct vmw_resource * 781 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 782 struct ttm_object_file *tfile, 783 uint32_t handle, 784 const struct vmw_user_resource_conv * 785 converter); 786 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 787 struct drm_file *file_priv); 788 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 789 struct drm_file *file_priv); 790 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 791 struct ttm_object_file *tfile, 792 uint32_t *inout_id, 793 struct vmw_resource **out); 794 extern void vmw_resource_unreserve(struct vmw_resource *res, 795 bool dirty_set, 796 bool dirty, 797 bool switch_backup, 798 struct vmw_buffer_object *new_backup, 799 unsigned long new_backup_offset); 800 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 801 struct ttm_resource *old_mem, 802 struct ttm_resource *new_mem); 803 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 804 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 805 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 806 void vmw_resource_mob_attach(struct vmw_resource *res); 807 void vmw_resource_mob_detach(struct vmw_resource *res); 808 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 809 pgoff_t end); 810 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 811 pgoff_t end, pgoff_t *num_prefault); 812 813 /** 814 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 815 * @res: The resource 816 * 817 * Return: true if the resource has a mob attached, false otherwise. 818 */ 819 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 820 { 821 return !RB_EMPTY_NODE(&res->mob_node); 822 } 823 824 /** 825 * vmw_user_resource_noref_release - release a user resource pointer looked up 826 * without reference 827 */ 828 static inline void vmw_user_resource_noref_release(void) 829 { 830 ttm_base_object_noref_release(); 831 } 832 833 /** 834 * Buffer object helper functions - vmwgfx_bo.c 835 */ 836 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 837 struct vmw_buffer_object *bo, 838 struct ttm_placement *placement, 839 bool interruptible); 840 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 841 struct vmw_buffer_object *buf, 842 bool interruptible); 843 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 844 struct vmw_buffer_object *buf, 845 bool interruptible); 846 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 847 struct vmw_buffer_object *bo, 848 bool interruptible); 849 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 850 struct vmw_buffer_object *bo, 851 bool interruptible); 852 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 853 SVGAGuestPtr *ptr); 854 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 855 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 856 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 857 unsigned long size, 858 struct ttm_placement *placement, 859 struct ttm_buffer_object **p_bo); 860 extern int vmw_bo_init(struct vmw_private *dev_priv, 861 struct vmw_buffer_object *vmw_bo, 862 size_t size, struct ttm_placement *placement, 863 bool interruptible, bool pin, 864 void (*bo_free)(struct ttm_buffer_object *bo)); 865 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 866 struct ttm_object_file *tfile); 867 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 868 struct ttm_object_file *tfile, 869 uint32_t size, 870 bool shareable, 871 uint32_t *handle, 872 struct vmw_buffer_object **p_dma_buf, 873 struct ttm_base_object **p_base); 874 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 875 struct vmw_buffer_object *dma_buf, 876 uint32_t *handle); 877 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 878 struct drm_file *file_priv); 879 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 880 struct drm_file *file_priv); 881 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 882 struct drm_file *file_priv); 883 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 884 uint32_t id, struct vmw_buffer_object **out, 885 struct ttm_base_object **base); 886 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 887 struct vmw_fence_obj *fence); 888 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 889 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 890 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 891 struct ttm_resource *mem); 892 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 893 extern struct vmw_buffer_object * 894 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 895 896 /** 897 * vmw_user_bo_noref_release - release a buffer object pointer looked up 898 * without reference 899 */ 900 static inline void vmw_user_bo_noref_release(void) 901 { 902 ttm_base_object_noref_release(); 903 } 904 905 /** 906 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 907 * according to attached resources 908 * @vbo: The struct vmw_buffer_object 909 */ 910 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 911 { 912 int i = ARRAY_SIZE(vbo->res_prios); 913 914 while (i--) { 915 if (vbo->res_prios[i]) { 916 vbo->base.priority = i; 917 return; 918 } 919 } 920 921 vbo->base.priority = 3; 922 } 923 924 /** 925 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 926 * eviction priority 927 * @vbo: The struct vmw_buffer_object 928 * @prio: The resource priority 929 * 930 * After being notified, the code assigns the highest resource eviction priority 931 * to the backing buffer object (mob). 932 */ 933 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 934 { 935 if (vbo->res_prios[prio]++ == 0) 936 vmw_bo_prio_adjust(vbo); 937 } 938 939 /** 940 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 941 * priority being removed 942 * @vbo: The struct vmw_buffer_object 943 * @prio: The resource priority 944 * 945 * After being notified, the code assigns the highest resource eviction priority 946 * to the backing buffer object (mob). 947 */ 948 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 949 { 950 if (--vbo->res_prios[prio] == 0) 951 vmw_bo_prio_adjust(vbo); 952 } 953 954 /** 955 * Misc Ioctl functionality - vmwgfx_ioctl.c 956 */ 957 958 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 959 struct drm_file *file_priv); 960 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 961 struct drm_file *file_priv); 962 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 963 struct drm_file *file_priv); 964 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 965 struct drm_file *file_priv); 966 967 /** 968 * Fifo utilities - vmwgfx_fifo.c 969 */ 970 971 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 972 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 973 extern bool vmw_cmd_supported(struct vmw_private *vmw); 974 extern void * 975 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 976 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 977 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 978 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 979 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 980 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 981 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 982 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 983 uint32_t cid); 984 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 985 bool interruptible); 986 987 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 988 ({ \ 989 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 990 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 991 __func__, (unsigned int) __bytes); \ 992 NULL; \ 993 }); \ 994 }) 995 996 #define VMW_CMD_RESERVE(__priv, __bytes) \ 997 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 998 999 1000 /** 1001 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1002 * queue or 0 if fifo memory isn't present. 1003 * @dev_priv: The device private context 1004 */ 1005 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1006 { 1007 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1008 return 0; 1009 return dev_priv->fifo->capabilities; 1010 } 1011 1012 1013 /** 1014 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1015 * is enabled in the FIFO. 1016 * @dev_priv: The device private context 1017 */ 1018 static inline bool 1019 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1020 { 1021 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1022 } 1023 1024 /** 1025 * TTM glue - vmwgfx_ttm_glue.c 1026 */ 1027 1028 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1029 1030 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1031 size_t gran); 1032 1033 /** 1034 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1035 */ 1036 1037 extern const size_t vmw_tt_size; 1038 extern struct ttm_placement vmw_vram_placement; 1039 extern struct ttm_placement vmw_vram_sys_placement; 1040 extern struct ttm_placement vmw_vram_gmr_placement; 1041 extern struct ttm_placement vmw_sys_placement; 1042 extern struct ttm_placement vmw_evictable_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 * Prime - vmwgfx_prime.c 1256 */ 1257 1258 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1259 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1260 struct drm_file *file_priv, 1261 int fd, u32 *handle); 1262 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1263 struct drm_file *file_priv, 1264 uint32_t handle, uint32_t flags, 1265 int *prime_fd); 1266 1267 /* 1268 * MemoryOBject management - vmwgfx_mob.c 1269 */ 1270 struct vmw_mob; 1271 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1272 const struct vmw_sg_table *vsgt, 1273 unsigned long num_data_pages, int32_t mob_id); 1274 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1275 struct vmw_mob *mob); 1276 extern void vmw_mob_destroy(struct vmw_mob *mob); 1277 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1278 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1279 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1280 1281 /* 1282 * Context management - vmwgfx_context.c 1283 */ 1284 1285 extern const struct vmw_user_resource_conv *user_context_converter; 1286 1287 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1288 struct drm_file *file_priv); 1289 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1290 struct drm_file *file_priv); 1291 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1292 struct drm_file *file_priv); 1293 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1294 extern struct vmw_cmdbuf_res_manager * 1295 vmw_context_res_man(struct vmw_resource *ctx); 1296 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1297 SVGACOTableType cotable_type); 1298 struct vmw_ctx_binding_state; 1299 extern struct vmw_ctx_binding_state * 1300 vmw_context_binding_state(struct vmw_resource *ctx); 1301 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1302 bool readback); 1303 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1304 struct vmw_buffer_object *mob); 1305 extern struct vmw_buffer_object * 1306 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1307 1308 1309 /* 1310 * Surface management - vmwgfx_surface.c 1311 */ 1312 1313 extern const struct vmw_user_resource_conv *user_surface_converter; 1314 1315 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1316 struct drm_file *file_priv); 1317 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1318 struct drm_file *file_priv); 1319 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1320 struct drm_file *file_priv); 1321 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1322 struct drm_file *file_priv); 1323 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1324 struct drm_file *file_priv); 1325 int vmw_surface_gb_priv_define(struct drm_device *dev, 1326 uint32_t user_accounting_size, 1327 SVGA3dSurfaceAllFlags svga3d_flags, 1328 SVGA3dSurfaceFormat format, 1329 bool for_scanout, 1330 uint32_t num_mip_levels, 1331 uint32_t multisample_count, 1332 uint32_t array_size, 1333 struct drm_vmw_size size, 1334 SVGA3dMSPattern multisample_pattern, 1335 SVGA3dMSQualityLevel quality_level, 1336 struct vmw_surface **srf_out); 1337 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1338 void *data, 1339 struct drm_file *file_priv); 1340 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1341 void *data, 1342 struct drm_file *file_priv); 1343 1344 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1345 uint32_t user_accounting_size, 1346 const struct vmw_surface_metadata *req, 1347 struct vmw_surface **srf_out); 1348 1349 /* 1350 * Shader management - vmwgfx_shader.c 1351 */ 1352 1353 extern const struct vmw_user_resource_conv *user_shader_converter; 1354 1355 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1356 struct drm_file *file_priv); 1357 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1358 struct drm_file *file_priv); 1359 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1360 struct vmw_cmdbuf_res_manager *man, 1361 u32 user_key, const void *bytecode, 1362 SVGA3dShaderType shader_type, 1363 size_t size, 1364 struct list_head *list); 1365 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1366 u32 user_key, SVGA3dShaderType shader_type, 1367 struct list_head *list); 1368 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1369 struct vmw_resource *ctx, 1370 u32 user_key, 1371 SVGA3dShaderType shader_type, 1372 struct list_head *list); 1373 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1374 struct list_head *list, 1375 bool readback); 1376 1377 extern struct vmw_resource * 1378 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1379 u32 user_key, SVGA3dShaderType shader_type); 1380 1381 /* 1382 * Streamoutput management 1383 */ 1384 struct vmw_resource * 1385 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1386 u32 user_key); 1387 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1388 struct vmw_resource *ctx, 1389 SVGA3dStreamOutputId user_key, 1390 struct list_head *list); 1391 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1392 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1393 SVGA3dStreamOutputId user_key, 1394 struct list_head *list); 1395 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1396 struct list_head *list, 1397 bool readback); 1398 1399 /* 1400 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1401 */ 1402 1403 extern struct vmw_cmdbuf_res_manager * 1404 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1405 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1406 extern size_t vmw_cmdbuf_res_man_size(void); 1407 extern struct vmw_resource * 1408 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1409 enum vmw_cmdbuf_res_type res_type, 1410 u32 user_key); 1411 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1412 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1413 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1414 enum vmw_cmdbuf_res_type res_type, 1415 u32 user_key, 1416 struct vmw_resource *res, 1417 struct list_head *list); 1418 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1419 enum vmw_cmdbuf_res_type res_type, 1420 u32 user_key, 1421 struct list_head *list, 1422 struct vmw_resource **res); 1423 1424 /* 1425 * COTable management - vmwgfx_cotable.c 1426 */ 1427 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1428 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1429 struct vmw_resource *ctx, 1430 u32 type); 1431 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1432 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1433 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1434 struct list_head *head); 1435 1436 /* 1437 * Command buffer managerment vmwgfx_cmdbuf.c 1438 */ 1439 struct vmw_cmdbuf_man; 1440 struct vmw_cmdbuf_header; 1441 1442 extern struct vmw_cmdbuf_man * 1443 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1444 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1445 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1446 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1447 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1448 unsigned long timeout); 1449 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1450 int ctx_id, bool interruptible, 1451 struct vmw_cmdbuf_header *header); 1452 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1453 struct vmw_cmdbuf_header *header, 1454 bool flush); 1455 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1456 size_t size, bool interruptible, 1457 struct vmw_cmdbuf_header **p_header); 1458 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1459 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1460 bool interruptible); 1461 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1462 1463 /* CPU blit utilities - vmwgfx_blit.c */ 1464 1465 /** 1466 * struct vmw_diff_cpy - CPU blit information structure 1467 * 1468 * @rect: The output bounding box rectangle. 1469 * @line: The current line of the blit. 1470 * @line_offset: Offset of the current line segment. 1471 * @cpp: Bytes per pixel (granularity information). 1472 * @memcpy: Which memcpy function to use. 1473 */ 1474 struct vmw_diff_cpy { 1475 struct drm_rect rect; 1476 size_t line; 1477 size_t line_offset; 1478 int cpp; 1479 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1480 size_t n); 1481 }; 1482 1483 #define VMW_CPU_BLIT_INITIALIZER { \ 1484 .do_cpy = vmw_memcpy, \ 1485 } 1486 1487 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1488 .line = 0, \ 1489 .line_offset = 0, \ 1490 .rect = { .x1 = INT_MAX/2, \ 1491 .y1 = INT_MAX/2, \ 1492 .x2 = INT_MIN/2, \ 1493 .y2 = INT_MIN/2 \ 1494 }, \ 1495 .cpp = _cpp, \ 1496 .do_cpy = vmw_diff_memcpy, \ 1497 } 1498 1499 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1500 size_t n); 1501 1502 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1503 1504 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1505 u32 dst_offset, u32 dst_stride, 1506 struct ttm_buffer_object *src, 1507 u32 src_offset, u32 src_stride, 1508 u32 w, u32 h, 1509 struct vmw_diff_cpy *diff); 1510 1511 /* Host messaging -vmwgfx_msg.c: */ 1512 int vmw_host_get_guestinfo(const char *guest_info_param, 1513 char *buffer, size_t *length); 1514 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1515 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1516 struct drm_file *file_priv); 1517 1518 /* Host mksGuestStats -vmwgfx_msg.c: */ 1519 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1520 1521 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1522 struct drm_file *file_priv); 1523 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1524 struct drm_file *file_priv); 1525 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1526 struct drm_file *file_priv); 1527 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1528 1529 /* VMW logging */ 1530 1531 /** 1532 * VMW_DEBUG_USER - Debug output for user-space debugging. 1533 * 1534 * @fmt: printf() like format string. 1535 * 1536 * This macro is for logging user-space error and debugging messages for e.g. 1537 * command buffer execution errors due to malformed commands, invalid context, 1538 * etc. 1539 */ 1540 #define VMW_DEBUG_USER(fmt, ...) \ 1541 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1542 1543 /* Resource dirtying - vmwgfx_page_dirty.c */ 1544 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1545 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1546 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1547 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1548 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1549 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1550 pgoff_t start, pgoff_t end); 1551 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1552 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1553 1554 /* Transparent hugepage support - vmwgfx_thp.c */ 1555 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1556 extern int vmw_thp_init(struct vmw_private *dev_priv); 1557 void vmw_thp_fini(struct vmw_private *dev_priv); 1558 #endif 1559 1560 /** 1561 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1562 * 1563 * This macro is for debugging vmwgfx mode-setting code. 1564 */ 1565 #define VMW_DEBUG_KMS(fmt, ...) \ 1566 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1567 1568 /** 1569 * Inline helper functions 1570 */ 1571 1572 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1573 { 1574 struct vmw_surface *tmp_srf = *srf; 1575 struct vmw_resource *res = &tmp_srf->res; 1576 *srf = NULL; 1577 1578 vmw_resource_unreference(&res); 1579 } 1580 1581 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1582 { 1583 (void) vmw_resource_reference(&srf->res); 1584 return srf; 1585 } 1586 1587 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1588 { 1589 struct vmw_buffer_object *tmp_buf = *buf; 1590 1591 *buf = NULL; 1592 if (tmp_buf != NULL) 1593 ttm_bo_put(&tmp_buf->base); 1594 } 1595 1596 static inline struct vmw_buffer_object * 1597 vmw_bo_reference(struct vmw_buffer_object *buf) 1598 { 1599 ttm_bo_get(&buf->base); 1600 return buf; 1601 } 1602 1603 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1604 { 1605 return &ttm_mem_glob; 1606 } 1607 1608 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1609 { 1610 atomic_inc(&dev_priv->num_fifo_resources); 1611 } 1612 1613 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1614 { 1615 atomic_dec(&dev_priv->num_fifo_resources); 1616 } 1617 1618 /** 1619 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1620 * 1621 * @fifo_reg: The fifo register to read from 1622 * 1623 * This function is intended to be equivalent to ioread32() on 1624 * memremap'd memory, but without byteswapping. 1625 */ 1626 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1627 { 1628 BUG_ON(vmw_is_svga_v3(vmw)); 1629 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1630 } 1631 1632 /** 1633 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1634 * 1635 * @addr: The fifo register to write to 1636 * 1637 * This function is intended to be equivalent to iowrite32 on 1638 * memremap'd memory, but without byteswapping. 1639 */ 1640 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1641 u32 value) 1642 { 1643 BUG_ON(vmw_is_svga_v3(vmw)); 1644 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1645 } 1646 1647 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1648 { 1649 u32 fence; 1650 if (vmw_is_svga_v3(dev_priv)) 1651 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1652 else 1653 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1654 return fence; 1655 } 1656 1657 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1658 u32 fence) 1659 { 1660 BUG_ON(vmw_is_svga_v3(dev_priv)); 1661 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1662 } 1663 1664 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1665 { 1666 u32 status; 1667 if (vmw_is_svga_v3(vmw)) 1668 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1669 else 1670 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1671 return status; 1672 } 1673 1674 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1675 uint32 status) 1676 { 1677 if (vmw_is_svga_v3(vmw)) 1678 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1679 else 1680 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1681 } 1682 1683 #endif 1684