1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2015 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 "20210218" 58 #define VMWGFX_DRIVER_MAJOR 2 59 #define VMWGFX_DRIVER_MINOR 18 60 #define VMWGFX_DRIVER_PATCHLEVEL 1 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 struct vmw_fpriv { 95 struct ttm_object_file *tfile; 96 bool gb_aware; /* user-space is guest-backed aware */ 97 }; 98 99 /** 100 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 101 * @base: The TTM buffer object 102 * @res_tree: RB tree of resources using this buffer object as a backing MOB 103 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 104 * increased. May be decreased without reservation. 105 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 106 * @map: Kmap object for semi-persistent mappings 107 * @res_prios: Eviction priority counts for attached resources 108 * @dirty: structure for user-space dirty-tracking 109 */ 110 struct vmw_buffer_object { 111 struct ttm_buffer_object base; 112 struct rb_root res_tree; 113 atomic_t cpu_writers; 114 /* Not ref-counted. Protected by binding_mutex */ 115 struct vmw_resource *dx_query_ctx; 116 /* Protected by reservation */ 117 struct ttm_bo_kmap_obj map; 118 u32 res_prios[TTM_MAX_BO_PRIORITY]; 119 struct vmw_bo_dirty *dirty; 120 }; 121 122 /** 123 * struct vmw_validate_buffer - Carries validation info about buffers. 124 * 125 * @base: Validation info for TTM. 126 * @hash: Hash entry for quick lookup of the TTM buffer object. 127 * 128 * This structure contains also driver private validation info 129 * on top of the info needed by TTM. 130 */ 131 struct vmw_validate_buffer { 132 struct ttm_validate_buffer base; 133 struct drm_hash_item hash; 134 bool validate_as_mob; 135 }; 136 137 struct vmw_res_func; 138 139 140 /** 141 * struct vmw-resource - base class for hardware resources 142 * 143 * @kref: For refcounting. 144 * @dev_priv: Pointer to the device private for this resource. Immutable. 145 * @id: Device id. Protected by @dev_priv::resource_lock. 146 * @backup_size: Backup buffer size. Immutable. 147 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 148 * by resource reserved. 149 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 150 * Protected by resource reserved. 151 * @coherent: Emulate coherency by tracking vm accesses. 152 * @backup: The backup buffer if any. Protected by resource reserved. 153 * @backup_offset: Offset into the backup buffer if any. Protected by resource 154 * reserved. Note that only a few resource types can have a @backup_offset 155 * different from zero. 156 * @pin_count: The pin count for this resource. A pinned resource has a 157 * pin-count greater than zero. It is not on the resource LRU lists and its 158 * backup buffer is pinned. Hence it can't be evicted. 159 * @func: Method vtable for this resource. Immutable. 160 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 161 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 162 * @binding_head: List head for the context binding list. Protected by 163 * the @dev_priv::binding_mutex 164 * @res_free: The resource destructor. 165 * @hw_destroy: Callback to destroy the resource on the device, as part of 166 * resource destruction. 167 */ 168 struct vmw_resource_dirty; 169 struct vmw_resource { 170 struct kref kref; 171 struct vmw_private *dev_priv; 172 int id; 173 u32 used_prio; 174 unsigned long backup_size; 175 u32 res_dirty : 1; 176 u32 backup_dirty : 1; 177 u32 coherent : 1; 178 struct vmw_buffer_object *backup; 179 unsigned long backup_offset; 180 unsigned long pin_count; 181 const struct vmw_res_func *func; 182 struct rb_node mob_node; 183 struct list_head lru_head; 184 struct list_head binding_head; 185 struct vmw_resource_dirty *dirty; 186 void (*res_free) (struct vmw_resource *res); 187 void (*hw_destroy) (struct vmw_resource *res); 188 }; 189 190 191 /* 192 * Resources that are managed using ioctls. 193 */ 194 enum vmw_res_type { 195 vmw_res_context, 196 vmw_res_surface, 197 vmw_res_stream, 198 vmw_res_shader, 199 vmw_res_dx_context, 200 vmw_res_cotable, 201 vmw_res_view, 202 vmw_res_streamoutput, 203 vmw_res_max 204 }; 205 206 /* 207 * Resources that are managed using command streams. 208 */ 209 enum vmw_cmdbuf_res_type { 210 vmw_cmdbuf_res_shader, 211 vmw_cmdbuf_res_view, 212 vmw_cmdbuf_res_streamoutput 213 }; 214 215 struct vmw_cmdbuf_res_manager; 216 217 struct vmw_cursor_snooper { 218 size_t age; 219 uint32_t *image; 220 }; 221 222 struct vmw_framebuffer; 223 struct vmw_surface_offset; 224 225 /** 226 * struct vmw_surface_metadata - Metadata describing a surface. 227 * 228 * @flags: Device flags. 229 * @format: Surface SVGA3D_x format. 230 * @mip_levels: Mip level for each face. For GB first index is used only. 231 * @multisample_count: Sample count. 232 * @multisample_pattern: Sample patterns. 233 * @quality_level: Quality level. 234 * @autogen_filter: Filter for automatically generated mipmaps. 235 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 236 texture number of faces * array_size. This should be 0 for pre 237 SM4 device. 238 * @buffer_byte_stride: Buffer byte stride. 239 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 240 * @base_size: Surface dimension. 241 * @sizes: Array representing mip sizes. Legacy only. 242 * @scanout: Whether this surface will be used for scanout. 243 * 244 * This tracks metadata for both legacy and guest backed surface. 245 */ 246 struct vmw_surface_metadata { 247 u64 flags; 248 u32 format; 249 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 250 u32 multisample_count; 251 u32 multisample_pattern; 252 u32 quality_level; 253 u32 autogen_filter; 254 u32 array_size; 255 u32 num_sizes; 256 u32 buffer_byte_stride; 257 struct drm_vmw_size base_size; 258 struct drm_vmw_size *sizes; 259 bool scanout; 260 }; 261 262 /** 263 * struct vmw_surface: Resource structure for a surface. 264 * 265 * @res: The base resource for this surface. 266 * @metadata: Metadata for this surface resource. 267 * @snooper: Cursor data. Legacy surface only. 268 * @offsets: Legacy surface only. 269 * @view_list: List of views bound to this surface. 270 */ 271 struct vmw_surface { 272 struct vmw_resource res; 273 struct vmw_surface_metadata metadata; 274 struct vmw_cursor_snooper snooper; 275 struct vmw_surface_offset *offsets; 276 struct list_head view_list; 277 }; 278 279 struct vmw_fifo_state { 280 unsigned long reserved_size; 281 u32 *dynamic_buffer; 282 u32 *static_buffer; 283 unsigned long static_buffer_size; 284 bool using_bounce_buffer; 285 uint32_t capabilities; 286 struct mutex fifo_mutex; 287 struct rw_semaphore rwsem; 288 }; 289 290 /** 291 * struct vmw_res_cache_entry - resource information cache entry 292 * @handle: User-space handle of a resource. 293 * @res: Non-ref-counted pointer to the resource. 294 * @valid_handle: Whether the @handle member is valid. 295 * @valid: Whether the entry is valid, which also implies that the execbuf 296 * code holds a reference to the resource, and it's placed on the 297 * validation list. 298 * 299 * Used to avoid frequent repeated user-space handle lookups of the 300 * same resource. 301 */ 302 struct vmw_res_cache_entry { 303 uint32_t handle; 304 struct vmw_resource *res; 305 void *private; 306 unsigned short valid_handle; 307 unsigned short valid; 308 }; 309 310 /** 311 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 312 */ 313 enum vmw_dma_map_mode { 314 vmw_dma_phys, /* Use physical page addresses */ 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 struct page *(*page)(struct vmw_piter *); 360 }; 361 362 /* 363 * enum vmw_display_unit_type - Describes the display unit 364 */ 365 enum vmw_display_unit_type { 366 vmw_du_invalid = 0, 367 vmw_du_legacy, 368 vmw_du_screen_object, 369 vmw_du_screen_target 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 unsigned long pci_id; 490 u32 vmw_chipset; 491 resource_size_t io_start; 492 resource_size_t vram_start; 493 resource_size_t vram_size; 494 resource_size_t prim_bb_mem; 495 void __iomem *rmmio; 496 u32 *fifo_mem; 497 resource_size_t fifo_mem_size; 498 uint32_t fb_max_width; 499 uint32_t fb_max_height; 500 uint32_t texture_max_width; 501 uint32_t texture_max_height; 502 uint32_t stdu_max_width; 503 uint32_t stdu_max_height; 504 uint32_t initial_width; 505 uint32_t initial_height; 506 uint32_t capabilities; 507 uint32_t capabilities2; 508 uint32_t max_gmr_ids; 509 uint32_t max_gmr_pages; 510 uint32_t max_mob_pages; 511 uint32_t max_mob_size; 512 uint32_t memory_size; 513 bool has_gmr; 514 bool has_mob; 515 spinlock_t hw_lock; 516 spinlock_t cap_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 }; 633 634 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 635 { 636 return container_of(res, struct vmw_surface, res); 637 } 638 639 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 640 { 641 return (struct vmw_private *)dev->dev_private; 642 } 643 644 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 645 { 646 return (struct vmw_fpriv *)file_priv->driver_priv; 647 } 648 649 /* 650 * SVGA v3 has mmio register access and lacks fifo cmds 651 */ 652 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 653 { 654 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 655 } 656 657 /* 658 * The locking here is fine-grained, so that it is performed once 659 * for every read- and write operation. This is of course costly, but we 660 * don't perform much register access in the timing critical paths anyway. 661 * Instead we have the extra benefit of being sure that we don't forget 662 * the hw lock around register accesses. 663 */ 664 static inline void vmw_write(struct vmw_private *dev_priv, 665 unsigned int offset, uint32_t value) 666 { 667 if (vmw_is_svga_v3(dev_priv)) { 668 iowrite32(value, dev_priv->rmmio + offset); 669 } else { 670 spin_lock(&dev_priv->hw_lock); 671 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 672 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 673 spin_unlock(&dev_priv->hw_lock); 674 } 675 } 676 677 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 678 unsigned int offset) 679 { 680 u32 val; 681 682 if (vmw_is_svga_v3(dev_priv)) { 683 val = ioread32(dev_priv->rmmio + offset); 684 } else { 685 spin_lock(&dev_priv->hw_lock); 686 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 687 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 688 spin_unlock(&dev_priv->hw_lock); 689 } 690 691 return val; 692 } 693 694 /** 695 * has_sm4_context - Does the device support SM4 context. 696 * @dev_priv: Device private. 697 * 698 * Return: Bool value if device support SM4 context or not. 699 */ 700 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 701 { 702 return (dev_priv->sm_type >= VMW_SM_4); 703 } 704 705 /** 706 * has_sm4_1_context - Does the device support SM4_1 context. 707 * @dev_priv: Device private. 708 * 709 * Return: Bool value if device support SM4_1 context or not. 710 */ 711 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 712 { 713 return (dev_priv->sm_type >= VMW_SM_4_1); 714 } 715 716 /** 717 * has_sm5_context - Does the device support SM5 context. 718 * @dev_priv: Device private. 719 * 720 * Return: Bool value if device support SM5 context or not. 721 */ 722 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 723 { 724 return (dev_priv->sm_type >= VMW_SM_5); 725 } 726 727 extern void vmw_svga_enable(struct vmw_private *dev_priv); 728 extern void vmw_svga_disable(struct vmw_private *dev_priv); 729 730 731 /** 732 * GMR utilities - vmwgfx_gmr.c 733 */ 734 735 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 736 const struct vmw_sg_table *vsgt, 737 unsigned long num_pages, 738 int gmr_id); 739 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 740 741 /** 742 * Resource utilities - vmwgfx_resource.c 743 */ 744 struct vmw_user_resource_conv; 745 746 extern void vmw_resource_unreference(struct vmw_resource **p_res); 747 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 748 extern struct vmw_resource * 749 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 750 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 751 bool dirtying); 752 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 753 bool no_backup); 754 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 755 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 756 struct ttm_object_file *tfile, 757 uint32_t handle, 758 struct vmw_surface **out_surf, 759 struct vmw_buffer_object **out_buf); 760 extern int vmw_user_resource_lookup_handle( 761 struct vmw_private *dev_priv, 762 struct ttm_object_file *tfile, 763 uint32_t handle, 764 const struct vmw_user_resource_conv *converter, 765 struct vmw_resource **p_res); 766 extern struct vmw_resource * 767 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 768 struct ttm_object_file *tfile, 769 uint32_t handle, 770 const struct vmw_user_resource_conv * 771 converter); 772 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 773 struct drm_file *file_priv); 774 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 775 struct drm_file *file_priv); 776 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 777 struct ttm_object_file *tfile, 778 uint32_t *inout_id, 779 struct vmw_resource **out); 780 extern void vmw_resource_unreserve(struct vmw_resource *res, 781 bool dirty_set, 782 bool dirty, 783 bool switch_backup, 784 struct vmw_buffer_object *new_backup, 785 unsigned long new_backup_offset); 786 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 787 struct ttm_resource *old_mem, 788 struct ttm_resource *new_mem); 789 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 790 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 791 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 792 void vmw_resource_mob_attach(struct vmw_resource *res); 793 void vmw_resource_mob_detach(struct vmw_resource *res); 794 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 795 pgoff_t end); 796 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 797 pgoff_t end, pgoff_t *num_prefault); 798 799 /** 800 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 801 * @res: The resource 802 * 803 * Return: true if the resource has a mob attached, false otherwise. 804 */ 805 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 806 { 807 return !RB_EMPTY_NODE(&res->mob_node); 808 } 809 810 /** 811 * vmw_user_resource_noref_release - release a user resource pointer looked up 812 * without reference 813 */ 814 static inline void vmw_user_resource_noref_release(void) 815 { 816 ttm_base_object_noref_release(); 817 } 818 819 /** 820 * Buffer object helper functions - vmwgfx_bo.c 821 */ 822 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 823 struct vmw_buffer_object *bo, 824 struct ttm_placement *placement, 825 bool interruptible); 826 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 827 struct vmw_buffer_object *buf, 828 bool interruptible); 829 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 830 struct vmw_buffer_object *buf, 831 bool interruptible); 832 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 833 struct vmw_buffer_object *bo, 834 bool interruptible); 835 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 836 struct vmw_buffer_object *bo, 837 bool interruptible); 838 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 839 SVGAGuestPtr *ptr); 840 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 841 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 842 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 843 unsigned long size, 844 struct ttm_placement *placement, 845 struct ttm_buffer_object **p_bo); 846 extern int vmw_bo_init(struct vmw_private *dev_priv, 847 struct vmw_buffer_object *vmw_bo, 848 size_t size, struct ttm_placement *placement, 849 bool interruptible, bool pin, 850 void (*bo_free)(struct ttm_buffer_object *bo)); 851 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 852 struct ttm_object_file *tfile); 853 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 854 struct ttm_object_file *tfile, 855 uint32_t size, 856 bool shareable, 857 uint32_t *handle, 858 struct vmw_buffer_object **p_dma_buf, 859 struct ttm_base_object **p_base); 860 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 861 struct vmw_buffer_object *dma_buf, 862 uint32_t *handle); 863 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 864 struct drm_file *file_priv); 865 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 870 uint32_t id, struct vmw_buffer_object **out, 871 struct ttm_base_object **base); 872 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 873 struct vmw_fence_obj *fence); 874 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 875 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 876 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 877 struct ttm_resource *mem); 878 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 879 extern struct vmw_buffer_object * 880 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 881 882 /** 883 * vmw_user_bo_noref_release - release a buffer object pointer looked up 884 * without reference 885 */ 886 static inline void vmw_user_bo_noref_release(void) 887 { 888 ttm_base_object_noref_release(); 889 } 890 891 /** 892 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 893 * according to attached resources 894 * @vbo: The struct vmw_buffer_object 895 */ 896 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 897 { 898 int i = ARRAY_SIZE(vbo->res_prios); 899 900 while (i--) { 901 if (vbo->res_prios[i]) { 902 vbo->base.priority = i; 903 return; 904 } 905 } 906 907 vbo->base.priority = 3; 908 } 909 910 /** 911 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 912 * eviction priority 913 * @vbo: The struct vmw_buffer_object 914 * @prio: The resource priority 915 * 916 * After being notified, the code assigns the highest resource eviction priority 917 * to the backing buffer object (mob). 918 */ 919 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 920 { 921 if (vbo->res_prios[prio]++ == 0) 922 vmw_bo_prio_adjust(vbo); 923 } 924 925 /** 926 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 927 * priority being removed 928 * @vbo: The struct vmw_buffer_object 929 * @prio: The resource priority 930 * 931 * After being notified, the code assigns the highest resource eviction priority 932 * to the backing buffer object (mob). 933 */ 934 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 935 { 936 if (--vbo->res_prios[prio] == 0) 937 vmw_bo_prio_adjust(vbo); 938 } 939 940 /** 941 * Misc Ioctl functionality - vmwgfx_ioctl.c 942 */ 943 944 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 945 struct drm_file *file_priv); 946 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 947 struct drm_file *file_priv); 948 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 949 struct drm_file *file_priv); 950 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 951 struct drm_file *file_priv); 952 953 /** 954 * Fifo utilities - vmwgfx_fifo.c 955 */ 956 957 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 958 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 959 extern bool vmw_cmd_supported(struct vmw_private *vmw); 960 extern void * 961 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 962 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 963 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 964 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 965 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 966 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 967 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 968 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 969 uint32_t cid); 970 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 971 bool interruptible); 972 973 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 974 ({ \ 975 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 976 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 977 __func__, (unsigned int) __bytes); \ 978 NULL; \ 979 }); \ 980 }) 981 982 #define VMW_CMD_RESERVE(__priv, __bytes) \ 983 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 984 985 986 /** 987 * vmw_fifo_caps - Returns the capabilities of the FIFO command 988 * queue or 0 if fifo memory isn't present. 989 * @dev_priv: The device private context 990 */ 991 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 992 { 993 if (!dev_priv->fifo_mem || !dev_priv->fifo) 994 return 0; 995 return dev_priv->fifo->capabilities; 996 } 997 998 999 /** 1000 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1001 * is enabled in the FIFO. 1002 * @dev_priv: The device private context 1003 */ 1004 static inline bool 1005 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1006 { 1007 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1008 } 1009 1010 /** 1011 * TTM glue - vmwgfx_ttm_glue.c 1012 */ 1013 1014 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1015 1016 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1017 size_t gran); 1018 1019 /** 1020 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1021 */ 1022 1023 extern const size_t vmw_tt_size; 1024 extern struct ttm_placement vmw_vram_placement; 1025 extern struct ttm_placement vmw_vram_sys_placement; 1026 extern struct ttm_placement vmw_vram_gmr_placement; 1027 extern struct ttm_placement vmw_sys_placement; 1028 extern struct ttm_placement vmw_evictable_placement; 1029 extern struct ttm_placement vmw_srf_placement; 1030 extern struct ttm_placement vmw_mob_placement; 1031 extern struct ttm_placement vmw_nonfixed_placement; 1032 extern struct ttm_device_funcs vmw_bo_driver; 1033 extern const struct vmw_sg_table * 1034 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1035 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1036 unsigned long bo_size, 1037 struct ttm_buffer_object **bo_p); 1038 1039 extern void vmw_piter_start(struct vmw_piter *viter, 1040 const struct vmw_sg_table *vsgt, 1041 unsigned long p_offs); 1042 1043 /** 1044 * vmw_piter_next - Advance the iterator one page. 1045 * 1046 * @viter: Pointer to the iterator to advance. 1047 * 1048 * Returns false if past the list of pages, true otherwise. 1049 */ 1050 static inline bool vmw_piter_next(struct vmw_piter *viter) 1051 { 1052 return viter->next(viter); 1053 } 1054 1055 /** 1056 * vmw_piter_dma_addr - Return the DMA address of the current page. 1057 * 1058 * @viter: Pointer to the iterator 1059 * 1060 * Returns the DMA address of the page pointed to by @viter. 1061 */ 1062 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1063 { 1064 return viter->dma_address(viter); 1065 } 1066 1067 /** 1068 * vmw_piter_page - Return a pointer to the current page. 1069 * 1070 * @viter: Pointer to the iterator 1071 * 1072 * Returns the DMA address of the page pointed to by @viter. 1073 */ 1074 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1075 { 1076 return viter->page(viter); 1077 } 1078 1079 /** 1080 * Command submission - vmwgfx_execbuf.c 1081 */ 1082 1083 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1084 struct drm_file *file_priv); 1085 extern int vmw_execbuf_process(struct drm_file *file_priv, 1086 struct vmw_private *dev_priv, 1087 void __user *user_commands, 1088 void *kernel_commands, 1089 uint32_t command_size, 1090 uint64_t throttle_us, 1091 uint32_t dx_context_handle, 1092 struct drm_vmw_fence_rep __user 1093 *user_fence_rep, 1094 struct vmw_fence_obj **out_fence, 1095 uint32_t flags); 1096 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1097 struct vmw_fence_obj *fence); 1098 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1099 1100 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1101 struct vmw_private *dev_priv, 1102 struct vmw_fence_obj **p_fence, 1103 uint32_t *p_handle); 1104 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1105 struct vmw_fpriv *vmw_fp, 1106 int ret, 1107 struct drm_vmw_fence_rep __user 1108 *user_fence_rep, 1109 struct vmw_fence_obj *fence, 1110 uint32_t fence_handle, 1111 int32_t out_fence_fd, 1112 struct sync_file *sync_file); 1113 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1114 1115 /** 1116 * IRQs and wating - vmwgfx_irq.c 1117 */ 1118 1119 extern int vmw_irq_install(struct drm_device *dev, int irq); 1120 extern void vmw_irq_uninstall(struct drm_device *dev); 1121 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1122 uint32_t seqno); 1123 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1124 bool lazy, 1125 bool fifo_idle, 1126 uint32_t seqno, 1127 bool interruptible, 1128 unsigned long timeout); 1129 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1130 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1131 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1132 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1133 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1134 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1135 int *waiter_count); 1136 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1137 u32 flag, int *waiter_count); 1138 1139 1140 /** 1141 * Kernel framebuffer - vmwgfx_fb.c 1142 */ 1143 1144 #ifdef CONFIG_DRM_FBDEV_EMULATION 1145 int vmw_fb_init(struct vmw_private *vmw_priv); 1146 int vmw_fb_close(struct vmw_private *dev_priv); 1147 int vmw_fb_off(struct vmw_private *vmw_priv); 1148 int vmw_fb_on(struct vmw_private *vmw_priv); 1149 #else 1150 static inline int vmw_fb_init(struct vmw_private *vmw_priv) 1151 { 1152 return 0; 1153 } 1154 static inline int vmw_fb_close(struct vmw_private *dev_priv) 1155 { 1156 return 0; 1157 } 1158 static inline int vmw_fb_off(struct vmw_private *vmw_priv) 1159 { 1160 return 0; 1161 } 1162 static inline int vmw_fb_on(struct vmw_private *vmw_priv) 1163 { 1164 return 0; 1165 } 1166 #endif 1167 1168 /** 1169 * Kernel modesetting - vmwgfx_kms.c 1170 */ 1171 1172 int vmw_kms_init(struct vmw_private *dev_priv); 1173 int vmw_kms_close(struct vmw_private *dev_priv); 1174 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1175 struct drm_file *file_priv); 1176 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1177 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1178 struct ttm_object_file *tfile, 1179 struct ttm_buffer_object *bo, 1180 SVGA3dCmdHeader *header); 1181 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1182 unsigned width, unsigned height, unsigned pitch, 1183 unsigned bpp, unsigned depth); 1184 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1185 uint32_t pitch, 1186 uint32_t height); 1187 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1188 int vmw_enable_vblank(struct drm_crtc *crtc); 1189 void vmw_disable_vblank(struct drm_crtc *crtc); 1190 int vmw_kms_present(struct vmw_private *dev_priv, 1191 struct drm_file *file_priv, 1192 struct vmw_framebuffer *vfb, 1193 struct vmw_surface *surface, 1194 uint32_t sid, int32_t destX, int32_t destY, 1195 struct drm_vmw_rect *clips, 1196 uint32_t num_clips); 1197 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1198 struct drm_file *file_priv); 1199 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1200 int vmw_kms_suspend(struct drm_device *dev); 1201 int vmw_kms_resume(struct drm_device *dev); 1202 void vmw_kms_lost_device(struct drm_device *dev); 1203 1204 int vmw_dumb_create(struct drm_file *file_priv, 1205 struct drm_device *dev, 1206 struct drm_mode_create_dumb *args); 1207 1208 int vmw_dumb_map_offset(struct drm_file *file_priv, 1209 struct drm_device *dev, uint32_t handle, 1210 uint64_t *offset); 1211 int vmw_dumb_destroy(struct drm_file *file_priv, 1212 struct drm_device *dev, 1213 uint32_t handle); 1214 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1215 extern void vmw_resource_unpin(struct vmw_resource *res); 1216 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1217 1218 /** 1219 * Overlay control - vmwgfx_overlay.c 1220 */ 1221 1222 int vmw_overlay_init(struct vmw_private *dev_priv); 1223 int vmw_overlay_close(struct vmw_private *dev_priv); 1224 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1225 struct drm_file *file_priv); 1226 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1227 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1228 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1229 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1230 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1231 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1232 1233 /** 1234 * GMR Id manager 1235 */ 1236 1237 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1238 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1239 1240 /** 1241 * Prime - vmwgfx_prime.c 1242 */ 1243 1244 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1245 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1246 struct drm_file *file_priv, 1247 int fd, u32 *handle); 1248 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1249 struct drm_file *file_priv, 1250 uint32_t handle, uint32_t flags, 1251 int *prime_fd); 1252 1253 /* 1254 * MemoryOBject management - vmwgfx_mob.c 1255 */ 1256 struct vmw_mob; 1257 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1258 const struct vmw_sg_table *vsgt, 1259 unsigned long num_data_pages, int32_t mob_id); 1260 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1261 struct vmw_mob *mob); 1262 extern void vmw_mob_destroy(struct vmw_mob *mob); 1263 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1264 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1265 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1266 1267 /* 1268 * Context management - vmwgfx_context.c 1269 */ 1270 1271 extern const struct vmw_user_resource_conv *user_context_converter; 1272 1273 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1274 struct drm_file *file_priv); 1275 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1276 struct drm_file *file_priv); 1277 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1278 struct drm_file *file_priv); 1279 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1280 extern struct vmw_cmdbuf_res_manager * 1281 vmw_context_res_man(struct vmw_resource *ctx); 1282 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1283 SVGACOTableType cotable_type); 1284 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1285 struct vmw_ctx_binding_state; 1286 extern struct vmw_ctx_binding_state * 1287 vmw_context_binding_state(struct vmw_resource *ctx); 1288 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1289 bool readback); 1290 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1291 struct vmw_buffer_object *mob); 1292 extern struct vmw_buffer_object * 1293 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1294 1295 1296 /* 1297 * Surface management - vmwgfx_surface.c 1298 */ 1299 1300 extern const struct vmw_user_resource_conv *user_surface_converter; 1301 1302 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1303 struct drm_file *file_priv); 1304 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1305 struct drm_file *file_priv); 1306 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1307 struct drm_file *file_priv); 1308 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1309 struct drm_file *file_priv); 1310 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1311 struct drm_file *file_priv); 1312 int vmw_surface_gb_priv_define(struct drm_device *dev, 1313 uint32_t user_accounting_size, 1314 SVGA3dSurfaceAllFlags svga3d_flags, 1315 SVGA3dSurfaceFormat format, 1316 bool for_scanout, 1317 uint32_t num_mip_levels, 1318 uint32_t multisample_count, 1319 uint32_t array_size, 1320 struct drm_vmw_size size, 1321 SVGA3dMSPattern multisample_pattern, 1322 SVGA3dMSQualityLevel quality_level, 1323 struct vmw_surface **srf_out); 1324 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1325 void *data, 1326 struct drm_file *file_priv); 1327 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1328 void *data, 1329 struct drm_file *file_priv); 1330 1331 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1332 uint32_t user_accounting_size, 1333 const struct vmw_surface_metadata *req, 1334 struct vmw_surface **srf_out); 1335 1336 /* 1337 * Shader management - vmwgfx_shader.c 1338 */ 1339 1340 extern const struct vmw_user_resource_conv *user_shader_converter; 1341 1342 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1343 struct drm_file *file_priv); 1344 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1345 struct drm_file *file_priv); 1346 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1347 struct vmw_cmdbuf_res_manager *man, 1348 u32 user_key, const void *bytecode, 1349 SVGA3dShaderType shader_type, 1350 size_t size, 1351 struct list_head *list); 1352 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1353 u32 user_key, SVGA3dShaderType shader_type, 1354 struct list_head *list); 1355 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1356 struct vmw_resource *ctx, 1357 u32 user_key, 1358 SVGA3dShaderType shader_type, 1359 struct list_head *list); 1360 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1361 struct list_head *list, 1362 bool readback); 1363 1364 extern struct vmw_resource * 1365 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1366 u32 user_key, SVGA3dShaderType shader_type); 1367 1368 /* 1369 * Streamoutput management 1370 */ 1371 struct vmw_resource * 1372 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1373 u32 user_key); 1374 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1375 struct vmw_resource *ctx, 1376 SVGA3dStreamOutputId user_key, 1377 struct list_head *list); 1378 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1379 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1380 SVGA3dStreamOutputId user_key, 1381 struct list_head *list); 1382 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1383 struct list_head *list, 1384 bool readback); 1385 1386 /* 1387 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1388 */ 1389 1390 extern struct vmw_cmdbuf_res_manager * 1391 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1392 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1393 extern size_t vmw_cmdbuf_res_man_size(void); 1394 extern struct vmw_resource * 1395 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1396 enum vmw_cmdbuf_res_type res_type, 1397 u32 user_key); 1398 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1399 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1400 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1401 enum vmw_cmdbuf_res_type res_type, 1402 u32 user_key, 1403 struct vmw_resource *res, 1404 struct list_head *list); 1405 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1406 enum vmw_cmdbuf_res_type res_type, 1407 u32 user_key, 1408 struct list_head *list, 1409 struct vmw_resource **res); 1410 1411 /* 1412 * COTable management - vmwgfx_cotable.c 1413 */ 1414 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1415 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1416 struct vmw_resource *ctx, 1417 u32 type); 1418 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1419 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1420 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1421 struct list_head *head); 1422 1423 /* 1424 * Command buffer managerment vmwgfx_cmdbuf.c 1425 */ 1426 struct vmw_cmdbuf_man; 1427 struct vmw_cmdbuf_header; 1428 1429 extern struct vmw_cmdbuf_man * 1430 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1431 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1432 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1433 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1434 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1435 unsigned long timeout); 1436 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1437 int ctx_id, bool interruptible, 1438 struct vmw_cmdbuf_header *header); 1439 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1440 struct vmw_cmdbuf_header *header, 1441 bool flush); 1442 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1443 size_t size, bool interruptible, 1444 struct vmw_cmdbuf_header **p_header); 1445 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1446 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1447 bool interruptible); 1448 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1449 1450 /* CPU blit utilities - vmwgfx_blit.c */ 1451 1452 /** 1453 * struct vmw_diff_cpy - CPU blit information structure 1454 * 1455 * @rect: The output bounding box rectangle. 1456 * @line: The current line of the blit. 1457 * @line_offset: Offset of the current line segment. 1458 * @cpp: Bytes per pixel (granularity information). 1459 * @memcpy: Which memcpy function to use. 1460 */ 1461 struct vmw_diff_cpy { 1462 struct drm_rect rect; 1463 size_t line; 1464 size_t line_offset; 1465 int cpp; 1466 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1467 size_t n); 1468 }; 1469 1470 #define VMW_CPU_BLIT_INITIALIZER { \ 1471 .do_cpy = vmw_memcpy, \ 1472 } 1473 1474 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1475 .line = 0, \ 1476 .line_offset = 0, \ 1477 .rect = { .x1 = INT_MAX/2, \ 1478 .y1 = INT_MAX/2, \ 1479 .x2 = INT_MIN/2, \ 1480 .y2 = INT_MIN/2 \ 1481 }, \ 1482 .cpp = _cpp, \ 1483 .do_cpy = vmw_diff_memcpy, \ 1484 } 1485 1486 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1487 size_t n); 1488 1489 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1490 1491 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1492 u32 dst_offset, u32 dst_stride, 1493 struct ttm_buffer_object *src, 1494 u32 src_offset, u32 src_stride, 1495 u32 w, u32 h, 1496 struct vmw_diff_cpy *diff); 1497 1498 /* Host messaging -vmwgfx_msg.c: */ 1499 int vmw_host_get_guestinfo(const char *guest_info_param, 1500 char *buffer, size_t *length); 1501 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1502 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1503 struct drm_file *file_priv); 1504 1505 /* VMW logging */ 1506 1507 /** 1508 * VMW_DEBUG_USER - Debug output for user-space debugging. 1509 * 1510 * @fmt: printf() like format string. 1511 * 1512 * This macro is for logging user-space error and debugging messages for e.g. 1513 * command buffer execution errors due to malformed commands, invalid context, 1514 * etc. 1515 */ 1516 #define VMW_DEBUG_USER(fmt, ...) \ 1517 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1518 1519 /* Resource dirtying - vmwgfx_page_dirty.c */ 1520 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1521 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1522 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1523 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1524 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1525 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1526 pgoff_t start, pgoff_t end); 1527 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1528 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1529 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1530 vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, 1531 enum page_entry_size pe_size); 1532 #endif 1533 1534 /* Transparent hugepage support - vmwgfx_thp.c */ 1535 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1536 extern int vmw_thp_init(struct vmw_private *dev_priv); 1537 void vmw_thp_fini(struct vmw_private *dev_priv); 1538 #endif 1539 1540 /** 1541 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1542 * 1543 * This macro is for debugging vmwgfx mode-setting code. 1544 */ 1545 #define VMW_DEBUG_KMS(fmt, ...) \ 1546 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1547 1548 /** 1549 * Inline helper functions 1550 */ 1551 1552 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1553 { 1554 struct vmw_surface *tmp_srf = *srf; 1555 struct vmw_resource *res = &tmp_srf->res; 1556 *srf = NULL; 1557 1558 vmw_resource_unreference(&res); 1559 } 1560 1561 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1562 { 1563 (void) vmw_resource_reference(&srf->res); 1564 return srf; 1565 } 1566 1567 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1568 { 1569 struct vmw_buffer_object *tmp_buf = *buf; 1570 1571 *buf = NULL; 1572 if (tmp_buf != NULL) 1573 ttm_bo_put(&tmp_buf->base); 1574 } 1575 1576 static inline struct vmw_buffer_object * 1577 vmw_bo_reference(struct vmw_buffer_object *buf) 1578 { 1579 ttm_bo_get(&buf->base); 1580 return buf; 1581 } 1582 1583 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1584 { 1585 return &ttm_mem_glob; 1586 } 1587 1588 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1589 { 1590 atomic_inc(&dev_priv->num_fifo_resources); 1591 } 1592 1593 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1594 { 1595 atomic_dec(&dev_priv->num_fifo_resources); 1596 } 1597 1598 /** 1599 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1600 * 1601 * @fifo_reg: The fifo register to read from 1602 * 1603 * This function is intended to be equivalent to ioread32() on 1604 * memremap'd memory, but without byteswapping. 1605 */ 1606 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1607 { 1608 BUG_ON(vmw_is_svga_v3(vmw)); 1609 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1610 } 1611 1612 /** 1613 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1614 * 1615 * @addr: The fifo register to write to 1616 * 1617 * This function is intended to be equivalent to iowrite32 on 1618 * memremap'd memory, but without byteswapping. 1619 */ 1620 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1621 u32 value) 1622 { 1623 BUG_ON(vmw_is_svga_v3(vmw)); 1624 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1625 } 1626 1627 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1628 { 1629 u32 fence; 1630 if (vmw_is_svga_v3(dev_priv)) 1631 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1632 else 1633 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1634 return fence; 1635 } 1636 1637 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1638 u32 fence) 1639 { 1640 BUG_ON(vmw_is_svga_v3(dev_priv)); 1641 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1642 } 1643 1644 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1645 { 1646 u32 status; 1647 if (vmw_is_svga_v3(vmw)) 1648 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1649 else 1650 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1651 return status; 1652 } 1653 1654 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1655 uint32 status) 1656 { 1657 if (vmw_is_svga_v3(vmw)) 1658 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1659 else 1660 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1661 } 1662 1663 #endif 1664