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_DISPLAYS 16 63 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 64 65 #define VMWGFX_PCI_ID_SVGA2 0x0405 66 #define VMWGFX_PCI_ID_SVGA3 0x0406 67 68 /* 69 * Perhaps we should have sysfs entries for these. 70 */ 71 #define VMWGFX_NUM_GB_CONTEXT 256 72 #define VMWGFX_NUM_GB_SHADER 20000 73 #define VMWGFX_NUM_GB_SURFACE 32768 74 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 75 #define VMWGFX_NUM_DXCONTEXT 256 76 #define VMWGFX_NUM_DXQUERY 512 77 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 78 VMWGFX_NUM_GB_SHADER +\ 79 VMWGFX_NUM_GB_SURFACE +\ 80 VMWGFX_NUM_GB_SCREEN_TARGET) 81 82 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 83 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 84 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 85 86 #define VMW_RES_CONTEXT ttm_driver_type0 87 #define VMW_RES_SURFACE ttm_driver_type1 88 #define VMW_RES_STREAM ttm_driver_type2 89 #define VMW_RES_FENCE ttm_driver_type3 90 #define VMW_RES_SHADER ttm_driver_type4 91 92 #define MKSSTAT_CAPACITY_LOG2 5U 93 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 94 95 struct vmw_fpriv { 96 struct ttm_object_file *tfile; 97 bool gb_aware; /* user-space is guest-backed aware */ 98 }; 99 100 /** 101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 102 * @base: The TTM buffer object 103 * @res_tree: RB tree of resources using this buffer object as a backing MOB 104 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 105 * increased. May be decreased without reservation. 106 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 107 * @map: Kmap object for semi-persistent mappings 108 * @res_prios: Eviction priority counts for attached resources 109 * @dirty: structure for user-space dirty-tracking 110 */ 111 struct vmw_buffer_object { 112 struct ttm_buffer_object base; 113 struct rb_root res_tree; 114 atomic_t cpu_writers; 115 /* Not ref-counted. Protected by binding_mutex */ 116 struct vmw_resource *dx_query_ctx; 117 /* Protected by reservation */ 118 struct ttm_bo_kmap_obj map; 119 u32 res_prios[TTM_MAX_BO_PRIORITY]; 120 struct vmw_bo_dirty *dirty; 121 }; 122 123 /** 124 * struct vmw_validate_buffer - Carries validation info about buffers. 125 * 126 * @base: Validation info for TTM. 127 * @hash: Hash entry for quick lookup of the TTM buffer object. 128 * 129 * This structure contains also driver private validation info 130 * on top of the info needed by TTM. 131 */ 132 struct vmw_validate_buffer { 133 struct ttm_validate_buffer base; 134 struct drm_hash_item hash; 135 bool validate_as_mob; 136 }; 137 138 struct vmw_res_func; 139 140 141 /** 142 * struct vmw-resource - base class for hardware resources 143 * 144 * @kref: For refcounting. 145 * @dev_priv: Pointer to the device private for this resource. Immutable. 146 * @id: Device id. Protected by @dev_priv::resource_lock. 147 * @backup_size: Backup buffer size. Immutable. 148 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 149 * by resource reserved. 150 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 151 * Protected by resource reserved. 152 * @coherent: Emulate coherency by tracking vm accesses. 153 * @backup: The backup buffer if any. Protected by resource reserved. 154 * @backup_offset: Offset into the backup buffer if any. Protected by resource 155 * reserved. Note that only a few resource types can have a @backup_offset 156 * different from zero. 157 * @pin_count: The pin count for this resource. A pinned resource has a 158 * pin-count greater than zero. It is not on the resource LRU lists and its 159 * backup buffer is pinned. Hence it can't be evicted. 160 * @func: Method vtable for this resource. Immutable. 161 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 162 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 163 * @binding_head: List head for the context binding list. Protected by 164 * the @dev_priv::binding_mutex 165 * @res_free: The resource destructor. 166 * @hw_destroy: Callback to destroy the resource on the device, as part of 167 * resource destruction. 168 */ 169 struct vmw_resource_dirty; 170 struct vmw_resource { 171 struct kref kref; 172 struct vmw_private *dev_priv; 173 int id; 174 u32 used_prio; 175 unsigned long backup_size; 176 u32 res_dirty : 1; 177 u32 backup_dirty : 1; 178 u32 coherent : 1; 179 struct vmw_buffer_object *backup; 180 unsigned long backup_offset; 181 unsigned long pin_count; 182 const struct vmw_res_func *func; 183 struct rb_node mob_node; 184 struct list_head lru_head; 185 struct list_head binding_head; 186 struct vmw_resource_dirty *dirty; 187 void (*res_free) (struct vmw_resource *res); 188 void (*hw_destroy) (struct vmw_resource *res); 189 }; 190 191 192 /* 193 * Resources that are managed using ioctls. 194 */ 195 enum vmw_res_type { 196 vmw_res_context, 197 vmw_res_surface, 198 vmw_res_stream, 199 vmw_res_shader, 200 vmw_res_dx_context, 201 vmw_res_cotable, 202 vmw_res_view, 203 vmw_res_streamoutput, 204 vmw_res_max 205 }; 206 207 /* 208 * Resources that are managed using command streams. 209 */ 210 enum vmw_cmdbuf_res_type { 211 vmw_cmdbuf_res_shader, 212 vmw_cmdbuf_res_view, 213 vmw_cmdbuf_res_streamoutput 214 }; 215 216 struct vmw_cmdbuf_res_manager; 217 218 struct vmw_cursor_snooper { 219 size_t age; 220 uint32_t *image; 221 }; 222 223 struct vmw_framebuffer; 224 struct vmw_surface_offset; 225 226 /** 227 * struct vmw_surface_metadata - Metadata describing a surface. 228 * 229 * @flags: Device flags. 230 * @format: Surface SVGA3D_x format. 231 * @mip_levels: Mip level for each face. For GB first index is used only. 232 * @multisample_count: Sample count. 233 * @multisample_pattern: Sample patterns. 234 * @quality_level: Quality level. 235 * @autogen_filter: Filter for automatically generated mipmaps. 236 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 237 texture number of faces * array_size. This should be 0 for pre 238 SM4 device. 239 * @buffer_byte_stride: Buffer byte stride. 240 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 241 * @base_size: Surface dimension. 242 * @sizes: Array representing mip sizes. Legacy only. 243 * @scanout: Whether this surface will be used for scanout. 244 * 245 * This tracks metadata for both legacy and guest backed surface. 246 */ 247 struct vmw_surface_metadata { 248 u64 flags; 249 u32 format; 250 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 251 u32 multisample_count; 252 u32 multisample_pattern; 253 u32 quality_level; 254 u32 autogen_filter; 255 u32 array_size; 256 u32 num_sizes; 257 u32 buffer_byte_stride; 258 struct drm_vmw_size base_size; 259 struct drm_vmw_size *sizes; 260 bool scanout; 261 }; 262 263 /** 264 * struct vmw_surface: Resource structure for a surface. 265 * 266 * @res: The base resource for this surface. 267 * @metadata: Metadata for this surface resource. 268 * @snooper: Cursor data. Legacy surface only. 269 * @offsets: Legacy surface only. 270 * @view_list: List of views bound to this surface. 271 */ 272 struct vmw_surface { 273 struct vmw_resource res; 274 struct vmw_surface_metadata metadata; 275 struct vmw_cursor_snooper snooper; 276 struct vmw_surface_offset *offsets; 277 struct list_head view_list; 278 }; 279 280 struct vmw_fifo_state { 281 unsigned long reserved_size; 282 u32 *dynamic_buffer; 283 u32 *static_buffer; 284 unsigned long static_buffer_size; 285 bool using_bounce_buffer; 286 uint32_t capabilities; 287 struct mutex fifo_mutex; 288 struct rw_semaphore rwsem; 289 }; 290 291 /** 292 * struct vmw_res_cache_entry - resource information cache entry 293 * @handle: User-space handle of a resource. 294 * @res: Non-ref-counted pointer to the resource. 295 * @valid_handle: Whether the @handle member is valid. 296 * @valid: Whether the entry is valid, which also implies that the execbuf 297 * code holds a reference to the resource, and it's placed on the 298 * validation list. 299 * 300 * Used to avoid frequent repeated user-space handle lookups of the 301 * same resource. 302 */ 303 struct vmw_res_cache_entry { 304 uint32_t handle; 305 struct vmw_resource *res; 306 void *private; 307 unsigned short valid_handle; 308 unsigned short valid; 309 }; 310 311 /** 312 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 313 */ 314 enum vmw_dma_map_mode { 315 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 316 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 317 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 318 vmw_dma_map_max 319 }; 320 321 /** 322 * struct vmw_sg_table - Scatter/gather table for binding, with additional 323 * device-specific information. 324 * 325 * @sgt: Pointer to a struct sg_table with binding information 326 * @num_regions: Number of regions with device-address contiguous pages 327 */ 328 struct vmw_sg_table { 329 enum vmw_dma_map_mode mode; 330 struct page **pages; 331 const dma_addr_t *addrs; 332 struct sg_table *sgt; 333 unsigned long num_regions; 334 unsigned long num_pages; 335 }; 336 337 /** 338 * struct vmw_piter - Page iterator that iterates over a list of pages 339 * and DMA addresses that could be either a scatter-gather list or 340 * arrays 341 * 342 * @pages: Array of page pointers to the pages. 343 * @addrs: DMA addresses to the pages if coherent pages are used. 344 * @iter: Scatter-gather page iterator. Current position in SG list. 345 * @i: Current position in arrays. 346 * @num_pages: Number of pages total. 347 * @next: Function to advance the iterator. Returns false if past the list 348 * of pages, true otherwise. 349 * @dma_address: Function to return the DMA address of the current page. 350 */ 351 struct vmw_piter { 352 struct page **pages; 353 const dma_addr_t *addrs; 354 struct sg_dma_page_iter iter; 355 unsigned long i; 356 unsigned long num_pages; 357 bool (*next)(struct vmw_piter *); 358 dma_addr_t (*dma_address)(struct vmw_piter *); 359 }; 360 361 /* 362 * enum vmw_display_unit_type - Describes the display unit 363 */ 364 enum vmw_display_unit_type { 365 vmw_du_invalid = 0, 366 vmw_du_legacy, 367 vmw_du_screen_object, 368 vmw_du_screen_target, 369 vmw_du_max 370 }; 371 372 struct vmw_validation_context; 373 struct vmw_ctx_validation_info; 374 375 /** 376 * struct vmw_sw_context - Command submission context 377 * @res_ht: Pointer hash table used to find validation duplicates 378 * @kernel: Whether the command buffer originates from kernel code rather 379 * than from user-space 380 * @fp: If @kernel is false, points to the file of the client. Otherwise 381 * NULL 382 * @cmd_bounce: Command bounce buffer used for command validation before 383 * copying to fifo space 384 * @cmd_bounce_size: Current command bounce buffer size 385 * @cur_query_bo: Current buffer object used as query result buffer 386 * @bo_relocations: List of buffer object relocations 387 * @res_relocations: List of resource relocations 388 * @buf_start: Pointer to start of memory where command validation takes 389 * place 390 * @res_cache: Cache of recently looked up resources 391 * @last_query_ctx: Last context that submitted a query 392 * @needs_post_query_barrier: Whether a query barrier is needed after 393 * command submission 394 * @staged_bindings: Cached per-context binding tracker 395 * @staged_bindings_inuse: Whether the cached per-context binding tracker 396 * is in use 397 * @staged_cmd_res: List of staged command buffer managed resources in this 398 * command buffer 399 * @ctx_list: List of context resources referenced in this command buffer 400 * @dx_ctx_node: Validation metadata of the current DX context 401 * @dx_query_mob: The MOB used for DX queries 402 * @dx_query_ctx: The DX context used for the last DX query 403 * @man: Pointer to the command buffer managed resource manager 404 * @ctx: The validation context 405 */ 406 struct vmw_sw_context{ 407 struct drm_open_hash res_ht; 408 bool res_ht_initialized; 409 bool kernel; 410 struct vmw_fpriv *fp; 411 uint32_t *cmd_bounce; 412 uint32_t cmd_bounce_size; 413 struct vmw_buffer_object *cur_query_bo; 414 struct list_head bo_relocations; 415 struct list_head res_relocations; 416 uint32_t *buf_start; 417 struct vmw_res_cache_entry res_cache[vmw_res_max]; 418 struct vmw_resource *last_query_ctx; 419 bool needs_post_query_barrier; 420 struct vmw_ctx_binding_state *staged_bindings; 421 bool staged_bindings_inuse; 422 struct list_head staged_cmd_res; 423 struct list_head ctx_list; 424 struct vmw_ctx_validation_info *dx_ctx_node; 425 struct vmw_buffer_object *dx_query_mob; 426 struct vmw_resource *dx_query_ctx; 427 struct vmw_cmdbuf_res_manager *man; 428 struct vmw_validation_context *ctx; 429 }; 430 431 struct vmw_legacy_display; 432 struct vmw_overlay; 433 434 struct vmw_vga_topology_state { 435 uint32_t width; 436 uint32_t height; 437 uint32_t primary; 438 uint32_t pos_x; 439 uint32_t pos_y; 440 }; 441 442 443 /* 444 * struct vmw_otable - Guest Memory OBject table metadata 445 * 446 * @size: Size of the table (page-aligned). 447 * @page_table: Pointer to a struct vmw_mob holding the page table. 448 */ 449 struct vmw_otable { 450 unsigned long size; 451 struct vmw_mob *page_table; 452 bool enabled; 453 }; 454 455 struct vmw_otable_batch { 456 unsigned num_otables; 457 struct vmw_otable *otables; 458 struct vmw_resource *context; 459 struct ttm_buffer_object *otable_bo; 460 }; 461 462 enum { 463 VMW_IRQTHREAD_FENCE, 464 VMW_IRQTHREAD_CMDBUF, 465 VMW_IRQTHREAD_MAX 466 }; 467 468 /** 469 * enum vmw_sm_type - Graphics context capability supported by device. 470 * @VMW_SM_LEGACY: Pre DX context. 471 * @VMW_SM_4: Context support upto SM4. 472 * @VMW_SM_4_1: Context support upto SM4_1. 473 * @VMW_SM_5: Context support up to SM5. 474 * @VMW_SM_MAX: Should be the last. 475 */ 476 enum vmw_sm_type { 477 VMW_SM_LEGACY = 0, 478 VMW_SM_4, 479 VMW_SM_4_1, 480 VMW_SM_5, 481 VMW_SM_MAX 482 }; 483 484 struct vmw_private { 485 struct drm_device drm; 486 struct ttm_device bdev; 487 488 struct drm_vma_offset_manager vma_manager; 489 u32 pci_id; 490 resource_size_t io_start; 491 resource_size_t vram_start; 492 resource_size_t vram_size; 493 resource_size_t max_primary_mem; 494 u32 __iomem *rmmio; 495 u32 *fifo_mem; 496 resource_size_t fifo_mem_size; 497 uint32_t fb_max_width; 498 uint32_t fb_max_height; 499 uint32_t texture_max_width; 500 uint32_t texture_max_height; 501 uint32_t stdu_max_width; 502 uint32_t stdu_max_height; 503 uint32_t initial_width; 504 uint32_t initial_height; 505 uint32_t capabilities; 506 uint32_t capabilities2; 507 uint32_t max_gmr_ids; 508 uint32_t max_gmr_pages; 509 uint32_t max_mob_pages; 510 uint32_t max_mob_size; 511 uint32_t memory_size; 512 bool has_gmr; 513 bool has_mob; 514 spinlock_t hw_lock; 515 bool assume_16bpp; 516 517 enum vmw_sm_type sm_type; 518 519 /* 520 * Framebuffer info. 521 */ 522 523 void *fb_info; 524 enum vmw_display_unit_type active_display_unit; 525 struct vmw_legacy_display *ldu_priv; 526 struct vmw_overlay *overlay_priv; 527 struct drm_property *hotplug_mode_update_property; 528 struct drm_property *implicit_placement_property; 529 spinlock_t cursor_lock; 530 struct drm_atomic_state *suspend_state; 531 532 /* 533 * Context and surface management. 534 */ 535 536 spinlock_t resource_lock; 537 struct idr res_idr[vmw_res_max]; 538 539 /* 540 * A resource manager for kernel-only surfaces and 541 * contexts. 542 */ 543 544 struct ttm_object_device *tdev; 545 546 /* 547 * Fencing and IRQs. 548 */ 549 550 atomic_t marker_seq; 551 wait_queue_head_t fence_queue; 552 wait_queue_head_t fifo_queue; 553 spinlock_t waiter_lock; 554 int fence_queue_waiters; /* Protected by waiter_lock */ 555 int goal_queue_waiters; /* Protected by waiter_lock */ 556 int cmdbuf_waiters; /* Protected by waiter_lock */ 557 int error_waiters; /* Protected by waiter_lock */ 558 int fifo_queue_waiters; /* Protected by waiter_lock */ 559 uint32_t last_read_seqno; 560 struct vmw_fence_manager *fman; 561 uint32_t irq_mask; /* Updates protected by waiter_lock */ 562 563 /* 564 * Device state 565 */ 566 567 uint32_t traces_state; 568 uint32_t enable_state; 569 uint32_t config_done_state; 570 571 /** 572 * Execbuf 573 */ 574 /** 575 * Protected by the cmdbuf mutex. 576 */ 577 578 struct vmw_sw_context ctx; 579 struct mutex cmdbuf_mutex; 580 struct mutex binding_mutex; 581 582 bool enable_fb; 583 584 /** 585 * PM management. 586 */ 587 struct notifier_block pm_nb; 588 bool refuse_hibernation; 589 bool suspend_locked; 590 591 atomic_t num_fifo_resources; 592 593 /* 594 * Query processing. These members 595 * are protected by the cmdbuf mutex. 596 */ 597 598 struct vmw_buffer_object *dummy_query_bo; 599 struct vmw_buffer_object *pinned_bo; 600 uint32_t query_cid; 601 uint32_t query_cid_valid; 602 bool dummy_query_bo_pinned; 603 604 /* 605 * Surface swapping. The "surface_lru" list is protected by the 606 * resource lock in order to be able to destroy a surface and take 607 * it off the lru atomically. "used_memory_size" is currently 608 * protected by the cmdbuf mutex for simplicity. 609 */ 610 611 struct list_head res_lru[vmw_res_max]; 612 uint32_t used_memory_size; 613 614 /* 615 * DMA mapping stuff. 616 */ 617 enum vmw_dma_map_mode map_mode; 618 619 /* 620 * Guest Backed stuff 621 */ 622 struct vmw_otable_batch otable_batch; 623 624 struct vmw_fifo_state *fifo; 625 struct vmw_cmdbuf_man *cman; 626 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 627 628 /* Validation memory reservation */ 629 struct vmw_validation_mem vvm; 630 631 uint32 *devcaps; 632 633 /* 634 * mksGuestStat instance-descriptor and pid arrays 635 */ 636 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 637 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 638 639 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 640 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 641 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 642 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 643 #endif 644 }; 645 646 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 647 { 648 return container_of(res, struct vmw_surface, res); 649 } 650 651 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 652 { 653 return (struct vmw_private *)dev->dev_private; 654 } 655 656 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 657 { 658 return (struct vmw_fpriv *)file_priv->driver_priv; 659 } 660 661 /* 662 * SVGA v3 has mmio register access and lacks fifo cmds 663 */ 664 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 665 { 666 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 667 } 668 669 /* 670 * The locking here is fine-grained, so that it is performed once 671 * for every read- and write operation. This is of course costly, but we 672 * don't perform much register access in the timing critical paths anyway. 673 * Instead we have the extra benefit of being sure that we don't forget 674 * the hw lock around register accesses. 675 */ 676 static inline void vmw_write(struct vmw_private *dev_priv, 677 unsigned int offset, uint32_t value) 678 { 679 if (vmw_is_svga_v3(dev_priv)) { 680 iowrite32(value, dev_priv->rmmio + offset); 681 } else { 682 spin_lock(&dev_priv->hw_lock); 683 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 684 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 685 spin_unlock(&dev_priv->hw_lock); 686 } 687 } 688 689 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 690 unsigned int offset) 691 { 692 u32 val; 693 694 if (vmw_is_svga_v3(dev_priv)) { 695 val = ioread32(dev_priv->rmmio + offset); 696 } else { 697 spin_lock(&dev_priv->hw_lock); 698 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 699 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 700 spin_unlock(&dev_priv->hw_lock); 701 } 702 703 return val; 704 } 705 706 /** 707 * has_sm4_context - Does the device support SM4 context. 708 * @dev_priv: Device private. 709 * 710 * Return: Bool value if device support SM4 context or not. 711 */ 712 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 713 { 714 return (dev_priv->sm_type >= VMW_SM_4); 715 } 716 717 /** 718 * has_sm4_1_context - Does the device support SM4_1 context. 719 * @dev_priv: Device private. 720 * 721 * Return: Bool value if device support SM4_1 context or not. 722 */ 723 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 724 { 725 return (dev_priv->sm_type >= VMW_SM_4_1); 726 } 727 728 /** 729 * has_sm5_context - Does the device support SM5 context. 730 * @dev_priv: Device private. 731 * 732 * Return: Bool value if device support SM5 context or not. 733 */ 734 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 735 { 736 return (dev_priv->sm_type >= VMW_SM_5); 737 } 738 739 extern void vmw_svga_enable(struct vmw_private *dev_priv); 740 extern void vmw_svga_disable(struct vmw_private *dev_priv); 741 742 743 /** 744 * GMR utilities - vmwgfx_gmr.c 745 */ 746 747 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 748 const struct vmw_sg_table *vsgt, 749 unsigned long num_pages, 750 int gmr_id); 751 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 752 753 /** 754 * Resource utilities - vmwgfx_resource.c 755 */ 756 struct vmw_user_resource_conv; 757 758 extern void vmw_resource_unreference(struct vmw_resource **p_res); 759 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 760 extern struct vmw_resource * 761 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 762 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 763 bool dirtying); 764 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 765 bool no_backup); 766 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 767 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 768 struct ttm_object_file *tfile, 769 uint32_t handle, 770 struct vmw_surface **out_surf, 771 struct vmw_buffer_object **out_buf); 772 extern int vmw_user_resource_lookup_handle( 773 struct vmw_private *dev_priv, 774 struct ttm_object_file *tfile, 775 uint32_t handle, 776 const struct vmw_user_resource_conv *converter, 777 struct vmw_resource **p_res); 778 extern struct vmw_resource * 779 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 780 struct ttm_object_file *tfile, 781 uint32_t handle, 782 const struct vmw_user_resource_conv * 783 converter); 784 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 785 struct drm_file *file_priv); 786 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 787 struct drm_file *file_priv); 788 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 789 struct ttm_object_file *tfile, 790 uint32_t *inout_id, 791 struct vmw_resource **out); 792 extern void vmw_resource_unreserve(struct vmw_resource *res, 793 bool dirty_set, 794 bool dirty, 795 bool switch_backup, 796 struct vmw_buffer_object *new_backup, 797 unsigned long new_backup_offset); 798 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 799 struct ttm_resource *old_mem, 800 struct ttm_resource *new_mem); 801 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 802 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 803 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 804 void vmw_resource_mob_attach(struct vmw_resource *res); 805 void vmw_resource_mob_detach(struct vmw_resource *res); 806 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 807 pgoff_t end); 808 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 809 pgoff_t end, pgoff_t *num_prefault); 810 811 /** 812 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 813 * @res: The resource 814 * 815 * Return: true if the resource has a mob attached, false otherwise. 816 */ 817 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 818 { 819 return !RB_EMPTY_NODE(&res->mob_node); 820 } 821 822 /** 823 * vmw_user_resource_noref_release - release a user resource pointer looked up 824 * without reference 825 */ 826 static inline void vmw_user_resource_noref_release(void) 827 { 828 ttm_base_object_noref_release(); 829 } 830 831 /** 832 * Buffer object helper functions - vmwgfx_bo.c 833 */ 834 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 835 struct vmw_buffer_object *bo, 836 struct ttm_placement *placement, 837 bool interruptible); 838 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 839 struct vmw_buffer_object *buf, 840 bool interruptible); 841 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 842 struct vmw_buffer_object *buf, 843 bool interruptible); 844 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 845 struct vmw_buffer_object *bo, 846 bool interruptible); 847 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 848 struct vmw_buffer_object *bo, 849 bool interruptible); 850 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 851 SVGAGuestPtr *ptr); 852 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 853 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 854 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 855 unsigned long size, 856 struct ttm_placement *placement, 857 struct ttm_buffer_object **p_bo); 858 extern int vmw_bo_init(struct vmw_private *dev_priv, 859 struct vmw_buffer_object *vmw_bo, 860 size_t size, struct ttm_placement *placement, 861 bool interruptible, bool pin, 862 void (*bo_free)(struct ttm_buffer_object *bo)); 863 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 864 struct ttm_object_file *tfile); 865 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 866 struct ttm_object_file *tfile, 867 uint32_t size, 868 bool shareable, 869 uint32_t *handle, 870 struct vmw_buffer_object **p_dma_buf, 871 struct ttm_base_object **p_base); 872 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 873 struct vmw_buffer_object *dma_buf, 874 uint32_t *handle); 875 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 876 struct drm_file *file_priv); 877 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 878 struct drm_file *file_priv); 879 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 880 struct drm_file *file_priv); 881 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 882 uint32_t id, struct vmw_buffer_object **out, 883 struct ttm_base_object **base); 884 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 885 struct vmw_fence_obj *fence); 886 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 887 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 888 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 889 struct ttm_resource *mem); 890 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 891 extern struct vmw_buffer_object * 892 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 893 894 /** 895 * vmw_user_bo_noref_release - release a buffer object pointer looked up 896 * without reference 897 */ 898 static inline void vmw_user_bo_noref_release(void) 899 { 900 ttm_base_object_noref_release(); 901 } 902 903 /** 904 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 905 * according to attached resources 906 * @vbo: The struct vmw_buffer_object 907 */ 908 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 909 { 910 int i = ARRAY_SIZE(vbo->res_prios); 911 912 while (i--) { 913 if (vbo->res_prios[i]) { 914 vbo->base.priority = i; 915 return; 916 } 917 } 918 919 vbo->base.priority = 3; 920 } 921 922 /** 923 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 924 * eviction priority 925 * @vbo: The struct vmw_buffer_object 926 * @prio: The resource priority 927 * 928 * After being notified, the code assigns the highest resource eviction priority 929 * to the backing buffer object (mob). 930 */ 931 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 932 { 933 if (vbo->res_prios[prio]++ == 0) 934 vmw_bo_prio_adjust(vbo); 935 } 936 937 /** 938 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 939 * priority being removed 940 * @vbo: The struct vmw_buffer_object 941 * @prio: The resource priority 942 * 943 * After being notified, the code assigns the highest resource eviction priority 944 * to the backing buffer object (mob). 945 */ 946 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 947 { 948 if (--vbo->res_prios[prio] == 0) 949 vmw_bo_prio_adjust(vbo); 950 } 951 952 /** 953 * Misc Ioctl functionality - vmwgfx_ioctl.c 954 */ 955 956 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 957 struct drm_file *file_priv); 958 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 959 struct drm_file *file_priv); 960 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 961 struct drm_file *file_priv); 962 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 963 struct drm_file *file_priv); 964 965 /** 966 * Fifo utilities - vmwgfx_fifo.c 967 */ 968 969 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 970 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 971 extern bool vmw_cmd_supported(struct vmw_private *vmw); 972 extern void * 973 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 974 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 975 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 976 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 977 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 978 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 979 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 980 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 981 uint32_t cid); 982 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 983 bool interruptible); 984 985 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 986 ({ \ 987 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 988 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 989 __func__, (unsigned int) __bytes); \ 990 NULL; \ 991 }); \ 992 }) 993 994 #define VMW_CMD_RESERVE(__priv, __bytes) \ 995 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 996 997 998 /** 999 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1000 * queue or 0 if fifo memory isn't present. 1001 * @dev_priv: The device private context 1002 */ 1003 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1004 { 1005 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1006 return 0; 1007 return dev_priv->fifo->capabilities; 1008 } 1009 1010 1011 /** 1012 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1013 * is enabled in the FIFO. 1014 * @dev_priv: The device private context 1015 */ 1016 static inline bool 1017 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1018 { 1019 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1020 } 1021 1022 /** 1023 * TTM glue - vmwgfx_ttm_glue.c 1024 */ 1025 1026 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1027 1028 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1029 size_t gran); 1030 1031 /** 1032 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1033 */ 1034 1035 extern const size_t vmw_tt_size; 1036 extern struct ttm_placement vmw_vram_placement; 1037 extern struct ttm_placement vmw_vram_sys_placement; 1038 extern struct ttm_placement vmw_vram_gmr_placement; 1039 extern struct ttm_placement vmw_sys_placement; 1040 extern struct ttm_placement vmw_srf_placement; 1041 extern struct ttm_placement vmw_mob_placement; 1042 extern struct ttm_placement vmw_nonfixed_placement; 1043 extern struct ttm_device_funcs vmw_bo_driver; 1044 extern const struct vmw_sg_table * 1045 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1046 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1047 unsigned long bo_size, 1048 struct ttm_buffer_object **bo_p); 1049 1050 extern void vmw_piter_start(struct vmw_piter *viter, 1051 const struct vmw_sg_table *vsgt, 1052 unsigned long p_offs); 1053 1054 /** 1055 * vmw_piter_next - Advance the iterator one page. 1056 * 1057 * @viter: Pointer to the iterator to advance. 1058 * 1059 * Returns false if past the list of pages, true otherwise. 1060 */ 1061 static inline bool vmw_piter_next(struct vmw_piter *viter) 1062 { 1063 return viter->next(viter); 1064 } 1065 1066 /** 1067 * vmw_piter_dma_addr - Return the DMA address of the current page. 1068 * 1069 * @viter: Pointer to the iterator 1070 * 1071 * Returns the DMA address of the page pointed to by @viter. 1072 */ 1073 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1074 { 1075 return viter->dma_address(viter); 1076 } 1077 1078 /** 1079 * vmw_piter_page - Return a pointer to the current page. 1080 * 1081 * @viter: Pointer to the iterator 1082 * 1083 * Returns the DMA address of the page pointed to by @viter. 1084 */ 1085 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1086 { 1087 return viter->pages[viter->i]; 1088 } 1089 1090 /** 1091 * Command submission - vmwgfx_execbuf.c 1092 */ 1093 1094 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1095 struct drm_file *file_priv); 1096 extern int vmw_execbuf_process(struct drm_file *file_priv, 1097 struct vmw_private *dev_priv, 1098 void __user *user_commands, 1099 void *kernel_commands, 1100 uint32_t command_size, 1101 uint64_t throttle_us, 1102 uint32_t dx_context_handle, 1103 struct drm_vmw_fence_rep __user 1104 *user_fence_rep, 1105 struct vmw_fence_obj **out_fence, 1106 uint32_t flags); 1107 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1108 struct vmw_fence_obj *fence); 1109 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1110 1111 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1112 struct vmw_private *dev_priv, 1113 struct vmw_fence_obj **p_fence, 1114 uint32_t *p_handle); 1115 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1116 struct vmw_fpriv *vmw_fp, 1117 int ret, 1118 struct drm_vmw_fence_rep __user 1119 *user_fence_rep, 1120 struct vmw_fence_obj *fence, 1121 uint32_t fence_handle, 1122 int32_t out_fence_fd, 1123 struct sync_file *sync_file); 1124 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1125 1126 /** 1127 * IRQs and wating - vmwgfx_irq.c 1128 */ 1129 1130 extern int vmw_irq_install(struct drm_device *dev, int irq); 1131 extern void vmw_irq_uninstall(struct drm_device *dev); 1132 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1133 uint32_t seqno); 1134 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1135 bool lazy, 1136 bool fifo_idle, 1137 uint32_t seqno, 1138 bool interruptible, 1139 unsigned long timeout); 1140 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1141 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1142 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1143 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1144 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1145 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1146 int *waiter_count); 1147 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1148 u32 flag, int *waiter_count); 1149 1150 1151 /** 1152 * Kernel framebuffer - vmwgfx_fb.c 1153 */ 1154 1155 #ifdef CONFIG_DRM_FBDEV_EMULATION 1156 int vmw_fb_init(struct vmw_private *vmw_priv); 1157 int vmw_fb_close(struct vmw_private *dev_priv); 1158 int vmw_fb_off(struct vmw_private *vmw_priv); 1159 int vmw_fb_on(struct vmw_private *vmw_priv); 1160 #else 1161 static inline int vmw_fb_init(struct vmw_private *vmw_priv) 1162 { 1163 return 0; 1164 } 1165 static inline int vmw_fb_close(struct vmw_private *dev_priv) 1166 { 1167 return 0; 1168 } 1169 static inline int vmw_fb_off(struct vmw_private *vmw_priv) 1170 { 1171 return 0; 1172 } 1173 static inline int vmw_fb_on(struct vmw_private *vmw_priv) 1174 { 1175 return 0; 1176 } 1177 #endif 1178 1179 /** 1180 * Kernel modesetting - vmwgfx_kms.c 1181 */ 1182 1183 int vmw_kms_init(struct vmw_private *dev_priv); 1184 int vmw_kms_close(struct vmw_private *dev_priv); 1185 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1188 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1189 struct ttm_object_file *tfile, 1190 struct ttm_buffer_object *bo, 1191 SVGA3dCmdHeader *header); 1192 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1193 unsigned width, unsigned height, unsigned pitch, 1194 unsigned bpp, unsigned depth); 1195 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1196 uint32_t pitch, 1197 uint32_t height); 1198 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1199 int vmw_enable_vblank(struct drm_crtc *crtc); 1200 void vmw_disable_vblank(struct drm_crtc *crtc); 1201 int vmw_kms_present(struct vmw_private *dev_priv, 1202 struct drm_file *file_priv, 1203 struct vmw_framebuffer *vfb, 1204 struct vmw_surface *surface, 1205 uint32_t sid, int32_t destX, int32_t destY, 1206 struct drm_vmw_rect *clips, 1207 uint32_t num_clips); 1208 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1211 int vmw_kms_suspend(struct drm_device *dev); 1212 int vmw_kms_resume(struct drm_device *dev); 1213 void vmw_kms_lost_device(struct drm_device *dev); 1214 1215 int vmw_dumb_create(struct drm_file *file_priv, 1216 struct drm_device *dev, 1217 struct drm_mode_create_dumb *args); 1218 1219 int vmw_dumb_map_offset(struct drm_file *file_priv, 1220 struct drm_device *dev, uint32_t handle, 1221 uint64_t *offset); 1222 int vmw_dumb_destroy(struct drm_file *file_priv, 1223 struct drm_device *dev, 1224 uint32_t handle); 1225 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1226 extern void vmw_resource_unpin(struct vmw_resource *res); 1227 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1228 1229 /** 1230 * Overlay control - vmwgfx_overlay.c 1231 */ 1232 1233 int vmw_overlay_init(struct vmw_private *dev_priv); 1234 int vmw_overlay_close(struct vmw_private *dev_priv); 1235 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1238 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1239 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1240 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1241 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1242 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1243 1244 /** 1245 * GMR Id manager 1246 */ 1247 1248 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1249 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1250 1251 /** 1252 * System memory manager 1253 */ 1254 int vmw_sys_man_init(struct vmw_private *dev_priv); 1255 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1256 1257 /** 1258 * Prime - vmwgfx_prime.c 1259 */ 1260 1261 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1262 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1263 struct drm_file *file_priv, 1264 int fd, u32 *handle); 1265 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1266 struct drm_file *file_priv, 1267 uint32_t handle, uint32_t flags, 1268 int *prime_fd); 1269 1270 /* 1271 * MemoryOBject management - vmwgfx_mob.c 1272 */ 1273 struct vmw_mob; 1274 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1275 const struct vmw_sg_table *vsgt, 1276 unsigned long num_data_pages, int32_t mob_id); 1277 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1278 struct vmw_mob *mob); 1279 extern void vmw_mob_destroy(struct vmw_mob *mob); 1280 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1281 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1282 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1283 1284 /* 1285 * Context management - vmwgfx_context.c 1286 */ 1287 1288 extern const struct vmw_user_resource_conv *user_context_converter; 1289 1290 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1291 struct drm_file *file_priv); 1292 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1293 struct drm_file *file_priv); 1294 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1295 struct drm_file *file_priv); 1296 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1297 extern struct vmw_cmdbuf_res_manager * 1298 vmw_context_res_man(struct vmw_resource *ctx); 1299 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1300 SVGACOTableType cotable_type); 1301 struct vmw_ctx_binding_state; 1302 extern struct vmw_ctx_binding_state * 1303 vmw_context_binding_state(struct vmw_resource *ctx); 1304 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1305 bool readback); 1306 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1307 struct vmw_buffer_object *mob); 1308 extern struct vmw_buffer_object * 1309 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1310 1311 1312 /* 1313 * Surface management - vmwgfx_surface.c 1314 */ 1315 1316 extern const struct vmw_user_resource_conv *user_surface_converter; 1317 1318 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1319 struct drm_file *file_priv); 1320 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1321 struct drm_file *file_priv); 1322 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1323 struct drm_file *file_priv); 1324 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1325 struct drm_file *file_priv); 1326 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1327 struct drm_file *file_priv); 1328 int vmw_surface_gb_priv_define(struct drm_device *dev, 1329 uint32_t user_accounting_size, 1330 SVGA3dSurfaceAllFlags svga3d_flags, 1331 SVGA3dSurfaceFormat format, 1332 bool for_scanout, 1333 uint32_t num_mip_levels, 1334 uint32_t multisample_count, 1335 uint32_t array_size, 1336 struct drm_vmw_size size, 1337 SVGA3dMSPattern multisample_pattern, 1338 SVGA3dMSQualityLevel quality_level, 1339 struct vmw_surface **srf_out); 1340 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1341 void *data, 1342 struct drm_file *file_priv); 1343 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1344 void *data, 1345 struct drm_file *file_priv); 1346 1347 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1348 uint32_t user_accounting_size, 1349 const struct vmw_surface_metadata *req, 1350 struct vmw_surface **srf_out); 1351 1352 /* 1353 * Shader management - vmwgfx_shader.c 1354 */ 1355 1356 extern const struct vmw_user_resource_conv *user_shader_converter; 1357 1358 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1359 struct drm_file *file_priv); 1360 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1361 struct drm_file *file_priv); 1362 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1363 struct vmw_cmdbuf_res_manager *man, 1364 u32 user_key, const void *bytecode, 1365 SVGA3dShaderType shader_type, 1366 size_t size, 1367 struct list_head *list); 1368 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1369 u32 user_key, SVGA3dShaderType shader_type, 1370 struct list_head *list); 1371 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1372 struct vmw_resource *ctx, 1373 u32 user_key, 1374 SVGA3dShaderType shader_type, 1375 struct list_head *list); 1376 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1377 struct list_head *list, 1378 bool readback); 1379 1380 extern struct vmw_resource * 1381 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1382 u32 user_key, SVGA3dShaderType shader_type); 1383 1384 /* 1385 * Streamoutput management 1386 */ 1387 struct vmw_resource * 1388 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1389 u32 user_key); 1390 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1391 struct vmw_resource *ctx, 1392 SVGA3dStreamOutputId user_key, 1393 struct list_head *list); 1394 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1395 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1396 SVGA3dStreamOutputId user_key, 1397 struct list_head *list); 1398 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1399 struct list_head *list, 1400 bool readback); 1401 1402 /* 1403 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1404 */ 1405 1406 extern struct vmw_cmdbuf_res_manager * 1407 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1408 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1409 extern size_t vmw_cmdbuf_res_man_size(void); 1410 extern struct vmw_resource * 1411 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1412 enum vmw_cmdbuf_res_type res_type, 1413 u32 user_key); 1414 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1415 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1416 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1417 enum vmw_cmdbuf_res_type res_type, 1418 u32 user_key, 1419 struct vmw_resource *res, 1420 struct list_head *list); 1421 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1422 enum vmw_cmdbuf_res_type res_type, 1423 u32 user_key, 1424 struct list_head *list, 1425 struct vmw_resource **res); 1426 1427 /* 1428 * COTable management - vmwgfx_cotable.c 1429 */ 1430 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1431 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1432 struct vmw_resource *ctx, 1433 u32 type); 1434 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1435 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1436 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1437 struct list_head *head); 1438 1439 /* 1440 * Command buffer managerment vmwgfx_cmdbuf.c 1441 */ 1442 struct vmw_cmdbuf_man; 1443 struct vmw_cmdbuf_header; 1444 1445 extern struct vmw_cmdbuf_man * 1446 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1447 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1448 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1449 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1450 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1451 unsigned long timeout); 1452 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1453 int ctx_id, bool interruptible, 1454 struct vmw_cmdbuf_header *header); 1455 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1456 struct vmw_cmdbuf_header *header, 1457 bool flush); 1458 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1459 size_t size, bool interruptible, 1460 struct vmw_cmdbuf_header **p_header); 1461 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1462 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1463 bool interruptible); 1464 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1465 1466 /* CPU blit utilities - vmwgfx_blit.c */ 1467 1468 /** 1469 * struct vmw_diff_cpy - CPU blit information structure 1470 * 1471 * @rect: The output bounding box rectangle. 1472 * @line: The current line of the blit. 1473 * @line_offset: Offset of the current line segment. 1474 * @cpp: Bytes per pixel (granularity information). 1475 * @memcpy: Which memcpy function to use. 1476 */ 1477 struct vmw_diff_cpy { 1478 struct drm_rect rect; 1479 size_t line; 1480 size_t line_offset; 1481 int cpp; 1482 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1483 size_t n); 1484 }; 1485 1486 #define VMW_CPU_BLIT_INITIALIZER { \ 1487 .do_cpy = vmw_memcpy, \ 1488 } 1489 1490 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1491 .line = 0, \ 1492 .line_offset = 0, \ 1493 .rect = { .x1 = INT_MAX/2, \ 1494 .y1 = INT_MAX/2, \ 1495 .x2 = INT_MIN/2, \ 1496 .y2 = INT_MIN/2 \ 1497 }, \ 1498 .cpp = _cpp, \ 1499 .do_cpy = vmw_diff_memcpy, \ 1500 } 1501 1502 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1503 size_t n); 1504 1505 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1506 1507 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1508 u32 dst_offset, u32 dst_stride, 1509 struct ttm_buffer_object *src, 1510 u32 src_offset, u32 src_stride, 1511 u32 w, u32 h, 1512 struct vmw_diff_cpy *diff); 1513 1514 /* Host messaging -vmwgfx_msg.c: */ 1515 int vmw_host_get_guestinfo(const char *guest_info_param, 1516 char *buffer, size_t *length); 1517 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1518 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1519 struct drm_file *file_priv); 1520 1521 /* Host mksGuestStats -vmwgfx_msg.c: */ 1522 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1523 1524 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1525 struct drm_file *file_priv); 1526 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1527 struct drm_file *file_priv); 1528 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1529 struct drm_file *file_priv); 1530 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1531 1532 /* VMW logging */ 1533 1534 /** 1535 * VMW_DEBUG_USER - Debug output for user-space debugging. 1536 * 1537 * @fmt: printf() like format string. 1538 * 1539 * This macro is for logging user-space error and debugging messages for e.g. 1540 * command buffer execution errors due to malformed commands, invalid context, 1541 * etc. 1542 */ 1543 #define VMW_DEBUG_USER(fmt, ...) \ 1544 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1545 1546 /* Resource dirtying - vmwgfx_page_dirty.c */ 1547 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1548 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1549 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1550 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1551 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1552 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1553 pgoff_t start, pgoff_t end); 1554 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1555 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1556 1557 1558 /** 1559 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1560 * 1561 * This macro is for debugging vmwgfx mode-setting code. 1562 */ 1563 #define VMW_DEBUG_KMS(fmt, ...) \ 1564 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1565 1566 /** 1567 * Inline helper functions 1568 */ 1569 1570 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1571 { 1572 struct vmw_surface *tmp_srf = *srf; 1573 struct vmw_resource *res = &tmp_srf->res; 1574 *srf = NULL; 1575 1576 vmw_resource_unreference(&res); 1577 } 1578 1579 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1580 { 1581 (void) vmw_resource_reference(&srf->res); 1582 return srf; 1583 } 1584 1585 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1586 { 1587 struct vmw_buffer_object *tmp_buf = *buf; 1588 1589 *buf = NULL; 1590 if (tmp_buf != NULL) 1591 ttm_bo_put(&tmp_buf->base); 1592 } 1593 1594 static inline struct vmw_buffer_object * 1595 vmw_bo_reference(struct vmw_buffer_object *buf) 1596 { 1597 ttm_bo_get(&buf->base); 1598 return buf; 1599 } 1600 1601 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1602 { 1603 return &ttm_mem_glob; 1604 } 1605 1606 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1607 { 1608 atomic_inc(&dev_priv->num_fifo_resources); 1609 } 1610 1611 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1612 { 1613 atomic_dec(&dev_priv->num_fifo_resources); 1614 } 1615 1616 /** 1617 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1618 * 1619 * @fifo_reg: The fifo register to read from 1620 * 1621 * This function is intended to be equivalent to ioread32() on 1622 * memremap'd memory, but without byteswapping. 1623 */ 1624 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1625 { 1626 BUG_ON(vmw_is_svga_v3(vmw)); 1627 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1628 } 1629 1630 /** 1631 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1632 * 1633 * @addr: The fifo register to write to 1634 * 1635 * This function is intended to be equivalent to iowrite32 on 1636 * memremap'd memory, but without byteswapping. 1637 */ 1638 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1639 u32 value) 1640 { 1641 BUG_ON(vmw_is_svga_v3(vmw)); 1642 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1643 } 1644 1645 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1646 { 1647 u32 fence; 1648 if (vmw_is_svga_v3(dev_priv)) 1649 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1650 else 1651 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1652 return fence; 1653 } 1654 1655 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1656 u32 fence) 1657 { 1658 BUG_ON(vmw_is_svga_v3(dev_priv)); 1659 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1660 } 1661 1662 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1663 { 1664 u32 status; 1665 if (vmw_is_svga_v3(vmw)) 1666 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1667 else 1668 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1669 return status; 1670 } 1671 1672 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1673 uint32 status) 1674 { 1675 if (vmw_is_svga_v3(vmw)) 1676 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1677 else 1678 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1679 } 1680 1681 #endif 1682