1/************************************************************************** 2 * 3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 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 "vmwgfx_reg.h" 32#include <drm/drmP.h> 33#include <drm/vmwgfx_drm.h> 34#include <drm/drm_hashtab.h> 35#include <linux/suspend.h> 36#include <drm/ttm/ttm_bo_driver.h> 37#include <drm/ttm/ttm_object.h> 38#include <drm/ttm/ttm_lock.h> 39#include <drm/ttm/ttm_execbuf_util.h> 40#include <drm/ttm/ttm_module.h> 41#include "vmwgfx_fence.h" 42 43#define VMWGFX_DRIVER_DATE "20140704" 44#define VMWGFX_DRIVER_MAJOR 2 45#define VMWGFX_DRIVER_MINOR 6 46#define VMWGFX_DRIVER_PATCHLEVEL 1 47#define VMWGFX_FILE_PAGE_OFFSET 0x00100000 48#define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 49#define VMWGFX_MAX_RELOCATIONS 2048 50#define VMWGFX_MAX_VALIDATIONS 2048 51#define VMWGFX_MAX_DISPLAYS 16 52#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 53#define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 0 54 55/* 56 * Perhaps we should have sysfs entries for these. 57 */ 58#define VMWGFX_NUM_GB_CONTEXT 256 59#define VMWGFX_NUM_GB_SHADER 20000 60#define VMWGFX_NUM_GB_SURFACE 32768 61#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 62#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 63 VMWGFX_NUM_GB_SHADER +\ 64 VMWGFX_NUM_GB_SURFACE +\ 65 VMWGFX_NUM_GB_SCREEN_TARGET) 66 67#define VMW_PL_GMR TTM_PL_PRIV0 68#define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0 69#define VMW_PL_MOB TTM_PL_PRIV1 70#define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1 71 72#define VMW_RES_CONTEXT ttm_driver_type0 73#define VMW_RES_SURFACE ttm_driver_type1 74#define VMW_RES_STREAM ttm_driver_type2 75#define VMW_RES_FENCE ttm_driver_type3 76#define VMW_RES_SHADER ttm_driver_type4 77 78struct vmw_fpriv { 79 struct drm_master *locked_master; 80 struct ttm_object_file *tfile; 81 struct list_head fence_events; 82 bool gb_aware; 83}; 84 85struct vmw_dma_buffer { 86 struct ttm_buffer_object base; 87 struct list_head res_list; 88}; 89 90/** 91 * struct vmw_validate_buffer - Carries validation info about buffers. 92 * 93 * @base: Validation info for TTM. 94 * @hash: Hash entry for quick lookup of the TTM buffer object. 95 * 96 * This structure contains also driver private validation info 97 * on top of the info needed by TTM. 98 */ 99struct vmw_validate_buffer { 100 struct ttm_validate_buffer base; 101 struct drm_hash_item hash; 102 bool validate_as_mob; 103}; 104 105struct vmw_res_func; 106struct vmw_resource { 107 struct kref kref; 108 struct vmw_private *dev_priv; 109 int id; 110 bool avail; 111 unsigned long backup_size; 112 bool res_dirty; /* Protected by backup buffer reserved */ 113 bool backup_dirty; /* Protected by backup buffer reserved */ 114 struct vmw_dma_buffer *backup; 115 unsigned long backup_offset; 116 const struct vmw_res_func *func; 117 struct list_head lru_head; /* Protected by the resource lock */ 118 struct list_head mob_head; /* Protected by @backup reserved */ 119 struct list_head binding_head; /* Protected by binding_mutex */ 120 void (*res_free) (struct vmw_resource *res); 121 void (*hw_destroy) (struct vmw_resource *res); 122}; 123 124 125/* 126 * Resources that are managed using ioctls. 127 */ 128enum vmw_res_type { 129 vmw_res_context, 130 vmw_res_surface, 131 vmw_res_stream, 132 vmw_res_shader, 133 vmw_res_max 134}; 135 136/* 137 * Resources that are managed using command streams. 138 */ 139enum vmw_cmdbuf_res_type { 140 vmw_cmdbuf_res_compat_shader 141}; 142 143struct vmw_cmdbuf_res_manager; 144 145struct vmw_cursor_snooper { 146 struct drm_crtc *crtc; 147 size_t age; 148 uint32_t *image; 149}; 150 151struct vmw_framebuffer; 152struct vmw_surface_offset; 153 154struct vmw_surface { 155 struct vmw_resource res; 156 uint32_t flags; 157 uint32_t format; 158 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 159 struct drm_vmw_size base_size; 160 struct drm_vmw_size *sizes; 161 uint32_t num_sizes; 162 bool scanout; 163 /* TODO so far just a extra pointer */ 164 struct vmw_cursor_snooper snooper; 165 struct vmw_surface_offset *offsets; 166 SVGA3dTextureFilter autogen_filter; 167 uint32_t multisample_count; 168}; 169 170struct vmw_marker_queue { 171 struct list_head head; 172 u64 lag; 173 u64 lag_time; 174 spinlock_t lock; 175}; 176 177struct vmw_fifo_state { 178 unsigned long reserved_size; 179 __le32 *dynamic_buffer; 180 __le32 *static_buffer; 181 unsigned long static_buffer_size; 182 bool using_bounce_buffer; 183 uint32_t capabilities; 184 struct mutex fifo_mutex; 185 struct rw_semaphore rwsem; 186 struct vmw_marker_queue marker_queue; 187}; 188 189struct vmw_relocation { 190 SVGAMobId *mob_loc; 191 SVGAGuestPtr *location; 192 uint32_t index; 193}; 194 195/** 196 * struct vmw_res_cache_entry - resource information cache entry 197 * 198 * @valid: Whether the entry is valid, which also implies that the execbuf 199 * code holds a reference to the resource, and it's placed on the 200 * validation list. 201 * @handle: User-space handle of a resource. 202 * @res: Non-ref-counted pointer to the resource. 203 * 204 * Used to avoid frequent repeated user-space handle lookups of the 205 * same resource. 206 */ 207struct vmw_res_cache_entry { 208 bool valid; 209 uint32_t handle; 210 struct vmw_resource *res; 211 struct vmw_resource_val_node *node; 212}; 213 214/** 215 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 216 */ 217enum vmw_dma_map_mode { 218 vmw_dma_phys, /* Use physical page addresses */ 219 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 220 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 221 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 222 vmw_dma_map_max 223}; 224 225/** 226 * struct vmw_sg_table - Scatter/gather table for binding, with additional 227 * device-specific information. 228 * 229 * @sgt: Pointer to a struct sg_table with binding information 230 * @num_regions: Number of regions with device-address contigous pages 231 */ 232struct vmw_sg_table { 233 enum vmw_dma_map_mode mode; 234 struct page **pages; 235 const dma_addr_t *addrs; 236 struct sg_table *sgt; 237 unsigned long num_regions; 238 unsigned long num_pages; 239}; 240 241/** 242 * struct vmw_piter - Page iterator that iterates over a list of pages 243 * and DMA addresses that could be either a scatter-gather list or 244 * arrays 245 * 246 * @pages: Array of page pointers to the pages. 247 * @addrs: DMA addresses to the pages if coherent pages are used. 248 * @iter: Scatter-gather page iterator. Current position in SG list. 249 * @i: Current position in arrays. 250 * @num_pages: Number of pages total. 251 * @next: Function to advance the iterator. Returns false if past the list 252 * of pages, true otherwise. 253 * @dma_address: Function to return the DMA address of the current page. 254 */ 255struct vmw_piter { 256 struct page **pages; 257 const dma_addr_t *addrs; 258 struct sg_page_iter iter; 259 unsigned long i; 260 unsigned long num_pages; 261 bool (*next)(struct vmw_piter *); 262 dma_addr_t (*dma_address)(struct vmw_piter *); 263 struct page *(*page)(struct vmw_piter *); 264}; 265 266/* 267 * enum vmw_ctx_binding_type - abstract resource to context binding types 268 */ 269enum vmw_ctx_binding_type { 270 vmw_ctx_binding_shader, 271 vmw_ctx_binding_rt, 272 vmw_ctx_binding_tex, 273 vmw_ctx_binding_max 274}; 275 276/** 277 * struct vmw_ctx_bindinfo - structure representing a single context binding 278 * 279 * @ctx: Pointer to the context structure. NULL means the binding is not 280 * active. 281 * @res: Non ref-counted pointer to the bound resource. 282 * @bt: The binding type. 283 * @i1: Union of information needed to unbind. 284 */ 285struct vmw_ctx_bindinfo { 286 struct vmw_resource *ctx; 287 struct vmw_resource *res; 288 enum vmw_ctx_binding_type bt; 289 bool scrubbed; 290 union { 291 SVGA3dShaderType shader_type; 292 SVGA3dRenderTargetType rt_type; 293 uint32 texture_stage; 294 } i1; 295}; 296 297/** 298 * struct vmw_ctx_binding - structure representing a single context binding 299 * - suitable for tracking in a context 300 * 301 * @ctx_list: List head for context. 302 * @res_list: List head for bound resource. 303 * @bi: Binding info 304 */ 305struct vmw_ctx_binding { 306 struct list_head ctx_list; 307 struct list_head res_list; 308 struct vmw_ctx_bindinfo bi; 309}; 310 311 312/** 313 * struct vmw_ctx_binding_state - context binding state 314 * 315 * @list: linked list of individual bindings. 316 * @render_targets: Render target bindings. 317 * @texture_units: Texture units/samplers bindings. 318 * @shaders: Shader bindings. 319 * 320 * Note that this structure also provides storage space for the individual 321 * struct vmw_ctx_binding objects, so that no dynamic allocation is needed 322 * for individual bindings. 323 * 324 */ 325struct vmw_ctx_binding_state { 326 struct list_head list; 327 struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX]; 328 struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS]; 329 struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX]; 330}; 331 332struct vmw_sw_context{ 333 struct drm_open_hash res_ht; 334 bool res_ht_initialized; 335 bool kernel; /**< is the called made from the kernel */ 336 struct vmw_fpriv *fp; 337 struct list_head validate_nodes; 338 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; 339 uint32_t cur_reloc; 340 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; 341 uint32_t cur_val_buf; 342 uint32_t *cmd_bounce; 343 uint32_t cmd_bounce_size; 344 struct list_head resource_list; 345 struct ttm_buffer_object *cur_query_bo; 346 struct list_head res_relocations; 347 uint32_t *buf_start; 348 struct vmw_res_cache_entry res_cache[vmw_res_max]; 349 struct vmw_resource *last_query_ctx; 350 bool needs_post_query_barrier; 351 struct vmw_resource *error_resource; 352 struct vmw_ctx_binding_state staged_bindings; 353 struct list_head staged_cmd_res; 354}; 355 356struct vmw_legacy_display; 357struct vmw_overlay; 358 359struct vmw_master { 360 struct ttm_lock lock; 361 struct mutex fb_surf_mutex; 362 struct list_head fb_surf; 363}; 364 365struct vmw_vga_topology_state { 366 uint32_t width; 367 uint32_t height; 368 uint32_t primary; 369 uint32_t pos_x; 370 uint32_t pos_y; 371}; 372 373struct vmw_private { 374 struct ttm_bo_device bdev; 375 struct ttm_bo_global_ref bo_global_ref; 376 struct drm_global_reference mem_global_ref; 377 378 struct vmw_fifo_state fifo; 379 380 struct drm_device *dev; 381 unsigned long vmw_chipset; 382 unsigned int io_start; 383 uint32_t vram_start; 384 uint32_t vram_size; 385 uint32_t prim_bb_mem; 386 uint32_t mmio_start; 387 uint32_t mmio_size; 388 uint32_t fb_max_width; 389 uint32_t fb_max_height; 390 uint32_t initial_width; 391 uint32_t initial_height; 392 __le32 __iomem *mmio_virt; 393 int mmio_mtrr; 394 uint32_t capabilities; 395 uint32_t max_gmr_ids; 396 uint32_t max_gmr_pages; 397 uint32_t max_mob_pages; 398 uint32_t max_mob_size; 399 uint32_t memory_size; 400 bool has_gmr; 401 bool has_mob; 402 spinlock_t hw_lock; 403 spinlock_t cap_lock; 404 405 /* 406 * VGA registers. 407 */ 408 409 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 410 uint32_t vga_width; 411 uint32_t vga_height; 412 uint32_t vga_bpp; 413 uint32_t vga_bpl; 414 uint32_t vga_pitchlock; 415 416 uint32_t num_displays; 417 418 /* 419 * Framebuffer info. 420 */ 421 422 void *fb_info; 423 struct vmw_legacy_display *ldu_priv; 424 struct vmw_screen_object_display *sou_priv; 425 struct vmw_overlay *overlay_priv; 426 427 /* 428 * Context and surface management. 429 */ 430 431 rwlock_t resource_lock; 432 struct idr res_idr[vmw_res_max]; 433 /* 434 * Block lastclose from racing with firstopen. 435 */ 436 437 struct mutex init_mutex; 438 439 /* 440 * A resource manager for kernel-only surfaces and 441 * contexts. 442 */ 443 444 struct ttm_object_device *tdev; 445 446 /* 447 * Fencing and IRQs. 448 */ 449 450 atomic_t marker_seq; 451 wait_queue_head_t fence_queue; 452 wait_queue_head_t fifo_queue; 453 spinlock_t waiter_lock; 454 int fence_queue_waiters; /* Protected by waiter_lock */ 455 int goal_queue_waiters; /* Protected by waiter_lock */ 456 atomic_t fifo_queue_waiters; 457 uint32_t last_read_seqno; 458 spinlock_t irq_lock; 459 struct vmw_fence_manager *fman; 460 uint32_t irq_mask; 461 462 /* 463 * Device state 464 */ 465 466 uint32_t traces_state; 467 uint32_t enable_state; 468 uint32_t config_done_state; 469 470 /** 471 * Execbuf 472 */ 473 /** 474 * Protected by the cmdbuf mutex. 475 */ 476 477 struct vmw_sw_context ctx; 478 struct mutex cmdbuf_mutex; 479 struct mutex binding_mutex; 480 481 /** 482 * Operating mode. 483 */ 484 485 bool stealth; 486 bool enable_fb; 487 488 /** 489 * Master management. 490 */ 491 492 struct vmw_master *active_master; 493 struct vmw_master fbdev_master; 494 struct notifier_block pm_nb; 495 bool suspended; 496 497 struct mutex release_mutex; 498 uint32_t num_3d_resources; 499 500 /* 501 * Replace this with an rwsem as soon as we have down_xx_interruptible() 502 */ 503 struct ttm_lock reservation_sem; 504 505 /* 506 * Query processing. These members 507 * are protected by the cmdbuf mutex. 508 */ 509 510 struct ttm_buffer_object *dummy_query_bo; 511 struct ttm_buffer_object *pinned_bo; 512 uint32_t query_cid; 513 uint32_t query_cid_valid; 514 bool dummy_query_bo_pinned; 515 516 /* 517 * Surface swapping. The "surface_lru" list is protected by the 518 * resource lock in order to be able to destroy a surface and take 519 * it off the lru atomically. "used_memory_size" is currently 520 * protected by the cmdbuf mutex for simplicity. 521 */ 522 523 struct list_head res_lru[vmw_res_max]; 524 uint32_t used_memory_size; 525 526 /* 527 * DMA mapping stuff. 528 */ 529 enum vmw_dma_map_mode map_mode; 530 531 /* 532 * Guest Backed stuff 533 */ 534 struct ttm_buffer_object *otable_bo; 535 struct vmw_otable *otables; 536}; 537 538static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 539{ 540 return container_of(res, struct vmw_surface, res); 541} 542 543static inline struct vmw_private *vmw_priv(struct drm_device *dev) 544{ 545 return (struct vmw_private *)dev->dev_private; 546} 547 548static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 549{ 550 return (struct vmw_fpriv *)file_priv->driver_priv; 551} 552 553static inline struct vmw_master *vmw_master(struct drm_master *master) 554{ 555 return (struct vmw_master *) master->driver_priv; 556} 557 558/* 559 * The locking here is fine-grained, so that it is performed once 560 * for every read- and write operation. This is of course costly, but we 561 * don't perform much register access in the timing critical paths anyway. 562 * Instead we have the extra benefit of being sure that we don't forget 563 * the hw lock around register accesses. 564 */ 565static inline void vmw_write(struct vmw_private *dev_priv, 566 unsigned int offset, uint32_t value) 567{ 568 unsigned long irq_flags; 569 570 spin_lock_irqsave(&dev_priv->hw_lock, irq_flags); 571 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 572 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 573 spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags); 574} 575 576static inline uint32_t vmw_read(struct vmw_private *dev_priv, 577 unsigned int offset) 578{ 579 unsigned long irq_flags; 580 u32 val; 581 582 spin_lock_irqsave(&dev_priv->hw_lock, irq_flags); 583 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 584 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 585 spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags); 586 587 return val; 588} 589 590int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga); 591void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga); 592 593/** 594 * GMR utilities - vmwgfx_gmr.c 595 */ 596 597extern int vmw_gmr_bind(struct vmw_private *dev_priv, 598 const struct vmw_sg_table *vsgt, 599 unsigned long num_pages, 600 int gmr_id); 601extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 602 603/** 604 * Resource utilities - vmwgfx_resource.c 605 */ 606struct vmw_user_resource_conv; 607 608extern void vmw_resource_unreference(struct vmw_resource **p_res); 609extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 610extern struct vmw_resource * 611vmw_resource_reference_unless_doomed(struct vmw_resource *res); 612extern int vmw_resource_validate(struct vmw_resource *res); 613extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup); 614extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 615extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 616 struct ttm_object_file *tfile, 617 uint32_t handle, 618 struct vmw_surface **out_surf, 619 struct vmw_dma_buffer **out_buf); 620extern int vmw_user_resource_lookup_handle( 621 struct vmw_private *dev_priv, 622 struct ttm_object_file *tfile, 623 uint32_t handle, 624 const struct vmw_user_resource_conv *converter, 625 struct vmw_resource **p_res); 626extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo); 627extern int vmw_dmabuf_init(struct vmw_private *dev_priv, 628 struct vmw_dma_buffer *vmw_bo, 629 size_t size, struct ttm_placement *placement, 630 bool interuptable, 631 void (*bo_free) (struct ttm_buffer_object *bo)); 632extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo, 633 struct ttm_object_file *tfile); 634extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, 635 struct ttm_object_file *tfile, 636 uint32_t size, 637 bool shareable, 638 uint32_t *handle, 639 struct vmw_dma_buffer **p_dma_buf, 640 struct ttm_base_object **p_base); 641extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, 642 struct vmw_dma_buffer *dma_buf, 643 uint32_t *handle); 644extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, 645 struct drm_file *file_priv); 646extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, 647 struct drm_file *file_priv); 648extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, 649 struct drm_file *file_priv); 650extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo, 651 uint32_t cur_validate_node); 652extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo); 653extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, 654 uint32_t id, struct vmw_dma_buffer **out, 655 struct ttm_base_object **base); 656extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 657 struct drm_file *file_priv); 658extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 659 struct drm_file *file_priv); 660extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 661 struct ttm_object_file *tfile, 662 uint32_t *inout_id, 663 struct vmw_resource **out); 664extern void vmw_resource_unreserve(struct vmw_resource *res, 665 struct vmw_dma_buffer *new_backup, 666 unsigned long new_backup_offset); 667extern void vmw_resource_move_notify(struct ttm_buffer_object *bo, 668 struct ttm_mem_reg *mem); 669extern void vmw_fence_single_bo(struct ttm_buffer_object *bo, 670 struct vmw_fence_obj *fence); 671extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 672 673/** 674 * DMA buffer helper routines - vmwgfx_dmabuf.c 675 */ 676extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv, 677 struct vmw_dma_buffer *bo, 678 struct ttm_placement *placement, 679 bool interruptible); 680extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv, 681 struct vmw_dma_buffer *buf, 682 bool pin, bool interruptible); 683extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv, 684 struct vmw_dma_buffer *buf, 685 bool pin, bool interruptible); 686extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv, 687 struct vmw_dma_buffer *bo, 688 bool pin, bool interruptible); 689extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv, 690 struct vmw_dma_buffer *bo, 691 bool interruptible); 692extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 693 SVGAGuestPtr *ptr); 694extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin); 695 696/** 697 * Misc Ioctl functionality - vmwgfx_ioctl.c 698 */ 699 700extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 701 struct drm_file *file_priv); 702extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 703 struct drm_file *file_priv); 704extern int vmw_present_ioctl(struct drm_device *dev, void *data, 705 struct drm_file *file_priv); 706extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 707 struct drm_file *file_priv); 708extern unsigned int vmw_fops_poll(struct file *filp, 709 struct poll_table_struct *wait); 710extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 711 size_t count, loff_t *offset); 712 713/** 714 * Fifo utilities - vmwgfx_fifo.c 715 */ 716 717extern int vmw_fifo_init(struct vmw_private *dev_priv, 718 struct vmw_fifo_state *fifo); 719extern void vmw_fifo_release(struct vmw_private *dev_priv, 720 struct vmw_fifo_state *fifo); 721extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 722extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 723extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 724 uint32_t *seqno); 725extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 726extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 727extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 728extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 729extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 730 uint32_t cid); 731 732/** 733 * TTM glue - vmwgfx_ttm_glue.c 734 */ 735 736extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 737extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 738extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 739 740/** 741 * TTM buffer object driver - vmwgfx_buffer.c 742 */ 743 744extern const size_t vmw_tt_size; 745extern struct ttm_placement vmw_vram_placement; 746extern struct ttm_placement vmw_vram_ne_placement; 747extern struct ttm_placement vmw_vram_sys_placement; 748extern struct ttm_placement vmw_vram_gmr_placement; 749extern struct ttm_placement vmw_vram_gmr_ne_placement; 750extern struct ttm_placement vmw_sys_placement; 751extern struct ttm_placement vmw_sys_ne_placement; 752extern struct ttm_placement vmw_evictable_placement; 753extern struct ttm_placement vmw_srf_placement; 754extern struct ttm_placement vmw_mob_placement; 755extern struct ttm_bo_driver vmw_bo_driver; 756extern int vmw_dma_quiescent(struct drm_device *dev); 757extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 758extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 759extern const struct vmw_sg_table * 760vmw_bo_sg_table(struct ttm_buffer_object *bo); 761extern void vmw_piter_start(struct vmw_piter *viter, 762 const struct vmw_sg_table *vsgt, 763 unsigned long p_offs); 764 765/** 766 * vmw_piter_next - Advance the iterator one page. 767 * 768 * @viter: Pointer to the iterator to advance. 769 * 770 * Returns false if past the list of pages, true otherwise. 771 */ 772static inline bool vmw_piter_next(struct vmw_piter *viter) 773{ 774 return viter->next(viter); 775} 776 777/** 778 * vmw_piter_dma_addr - Return the DMA address of the current page. 779 * 780 * @viter: Pointer to the iterator 781 * 782 * Returns the DMA address of the page pointed to by @viter. 783 */ 784static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 785{ 786 return viter->dma_address(viter); 787} 788 789/** 790 * vmw_piter_page - Return a pointer to the current page. 791 * 792 * @viter: Pointer to the iterator 793 * 794 * Returns the DMA address of the page pointed to by @viter. 795 */ 796static inline struct page *vmw_piter_page(struct vmw_piter *viter) 797{ 798 return viter->page(viter); 799} 800 801/** 802 * Command submission - vmwgfx_execbuf.c 803 */ 804 805extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 806 struct drm_file *file_priv); 807extern int vmw_execbuf_process(struct drm_file *file_priv, 808 struct vmw_private *dev_priv, 809 void __user *user_commands, 810 void *kernel_commands, 811 uint32_t command_size, 812 uint64_t throttle_us, 813 struct drm_vmw_fence_rep __user 814 *user_fence_rep, 815 struct vmw_fence_obj **out_fence); 816extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 817 struct vmw_fence_obj *fence); 818extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 819 820extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 821 struct vmw_private *dev_priv, 822 struct vmw_fence_obj **p_fence, 823 uint32_t *p_handle); 824extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 825 struct vmw_fpriv *vmw_fp, 826 int ret, 827 struct drm_vmw_fence_rep __user 828 *user_fence_rep, 829 struct vmw_fence_obj *fence, 830 uint32_t fence_handle); 831 832/** 833 * IRQs and wating - vmwgfx_irq.c 834 */ 835 836extern irqreturn_t vmw_irq_handler(int irq, void *arg); 837extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 838 uint32_t seqno, bool interruptible, 839 unsigned long timeout); 840extern void vmw_irq_preinstall(struct drm_device *dev); 841extern int vmw_irq_postinstall(struct drm_device *dev); 842extern void vmw_irq_uninstall(struct drm_device *dev); 843extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 844 uint32_t seqno); 845extern int vmw_fallback_wait(struct vmw_private *dev_priv, 846 bool lazy, 847 bool fifo_idle, 848 uint32_t seqno, 849 bool interruptible, 850 unsigned long timeout); 851extern void vmw_update_seqno(struct vmw_private *dev_priv, 852 struct vmw_fifo_state *fifo_state); 853extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 854extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 855extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 856extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 857 858/** 859 * Rudimentary fence-like objects currently used only for throttling - 860 * vmwgfx_marker.c 861 */ 862 863extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 864extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 865extern int vmw_marker_push(struct vmw_marker_queue *queue, 866 uint32_t seqno); 867extern int vmw_marker_pull(struct vmw_marker_queue *queue, 868 uint32_t signaled_seqno); 869extern int vmw_wait_lag(struct vmw_private *dev_priv, 870 struct vmw_marker_queue *queue, uint32_t us); 871 872/** 873 * Kernel framebuffer - vmwgfx_fb.c 874 */ 875 876int vmw_fb_init(struct vmw_private *vmw_priv); 877int vmw_fb_close(struct vmw_private *dev_priv); 878int vmw_fb_off(struct vmw_private *vmw_priv); 879int vmw_fb_on(struct vmw_private *vmw_priv); 880 881/** 882 * Kernel modesetting - vmwgfx_kms.c 883 */ 884 885int vmw_kms_init(struct vmw_private *dev_priv); 886int vmw_kms_close(struct vmw_private *dev_priv); 887int vmw_kms_save_vga(struct vmw_private *vmw_priv); 888int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 889int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 890 struct drm_file *file_priv); 891void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 892void vmw_kms_cursor_snoop(struct vmw_surface *srf, 893 struct ttm_object_file *tfile, 894 struct ttm_buffer_object *bo, 895 SVGA3dCmdHeader *header); 896int vmw_kms_write_svga(struct vmw_private *vmw_priv, 897 unsigned width, unsigned height, unsigned pitch, 898 unsigned bpp, unsigned depth); 899void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 900bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 901 uint32_t pitch, 902 uint32_t height); 903u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc); 904int vmw_enable_vblank(struct drm_device *dev, int crtc); 905void vmw_disable_vblank(struct drm_device *dev, int crtc); 906int vmw_kms_present(struct vmw_private *dev_priv, 907 struct drm_file *file_priv, 908 struct vmw_framebuffer *vfb, 909 struct vmw_surface *surface, 910 uint32_t sid, int32_t destX, int32_t destY, 911 struct drm_vmw_rect *clips, 912 uint32_t num_clips); 913int vmw_kms_readback(struct vmw_private *dev_priv, 914 struct drm_file *file_priv, 915 struct vmw_framebuffer *vfb, 916 struct drm_vmw_fence_rep __user *user_fence_rep, 917 struct drm_vmw_rect *clips, 918 uint32_t num_clips); 919int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 920 struct drm_file *file_priv); 921 922int vmw_dumb_create(struct drm_file *file_priv, 923 struct drm_device *dev, 924 struct drm_mode_create_dumb *args); 925 926int vmw_dumb_map_offset(struct drm_file *file_priv, 927 struct drm_device *dev, uint32_t handle, 928 uint64_t *offset); 929int vmw_dumb_destroy(struct drm_file *file_priv, 930 struct drm_device *dev, 931 uint32_t handle); 932/** 933 * Overlay control - vmwgfx_overlay.c 934 */ 935 936int vmw_overlay_init(struct vmw_private *dev_priv); 937int vmw_overlay_close(struct vmw_private *dev_priv); 938int vmw_overlay_ioctl(struct drm_device *dev, void *data, 939 struct drm_file *file_priv); 940int vmw_overlay_stop_all(struct vmw_private *dev_priv); 941int vmw_overlay_resume_all(struct vmw_private *dev_priv); 942int vmw_overlay_pause_all(struct vmw_private *dev_priv); 943int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 944int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 945int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 946int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 947 948/** 949 * GMR Id manager 950 */ 951 952extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 953 954/** 955 * Prime - vmwgfx_prime.c 956 */ 957 958extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 959extern int vmw_prime_fd_to_handle(struct drm_device *dev, 960 struct drm_file *file_priv, 961 int fd, u32 *handle); 962extern int vmw_prime_handle_to_fd(struct drm_device *dev, 963 struct drm_file *file_priv, 964 uint32_t handle, uint32_t flags, 965 int *prime_fd); 966 967/* 968 * MemoryOBject management - vmwgfx_mob.c 969 */ 970struct vmw_mob; 971extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 972 const struct vmw_sg_table *vsgt, 973 unsigned long num_data_pages, int32_t mob_id); 974extern void vmw_mob_unbind(struct vmw_private *dev_priv, 975 struct vmw_mob *mob); 976extern void vmw_mob_destroy(struct vmw_mob *mob); 977extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 978extern int vmw_otables_setup(struct vmw_private *dev_priv); 979extern void vmw_otables_takedown(struct vmw_private *dev_priv); 980 981/* 982 * Context management - vmwgfx_context.c 983 */ 984 985extern const struct vmw_user_resource_conv *user_context_converter; 986 987extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv); 988 989extern int vmw_context_check(struct vmw_private *dev_priv, 990 struct ttm_object_file *tfile, 991 int id, 992 struct vmw_resource **p_res); 993extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 994 struct drm_file *file_priv); 995extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 996 struct drm_file *file_priv); 997extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs, 998 const struct vmw_ctx_bindinfo *ci); 999extern void 1000vmw_context_binding_state_transfer(struct vmw_resource *res, 1001 struct vmw_ctx_binding_state *cbs); 1002extern void vmw_context_binding_res_list_kill(struct list_head *head); 1003extern void vmw_context_binding_res_list_scrub(struct list_head *head); 1004extern int vmw_context_rebind_all(struct vmw_resource *ctx); 1005extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1006extern struct vmw_cmdbuf_res_manager * 1007vmw_context_res_man(struct vmw_resource *ctx); 1008/* 1009 * Surface management - vmwgfx_surface.c 1010 */ 1011 1012extern const struct vmw_user_resource_conv *user_surface_converter; 1013 1014extern void vmw_surface_res_free(struct vmw_resource *res); 1015extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1016 struct drm_file *file_priv); 1017extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1018 struct drm_file *file_priv); 1019extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1020 struct drm_file *file_priv); 1021extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1022 struct drm_file *file_priv); 1023extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1024 struct drm_file *file_priv); 1025extern int vmw_surface_check(struct vmw_private *dev_priv, 1026 struct ttm_object_file *tfile, 1027 uint32_t handle, int *id); 1028extern int vmw_surface_validate(struct vmw_private *dev_priv, 1029 struct vmw_surface *srf); 1030 1031/* 1032 * Shader management - vmwgfx_shader.c 1033 */ 1034 1035extern const struct vmw_user_resource_conv *user_shader_converter; 1036 1037extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1038 struct drm_file *file_priv); 1039extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1040 struct drm_file *file_priv); 1041extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1042 struct vmw_cmdbuf_res_manager *man, 1043 u32 user_key, const void *bytecode, 1044 SVGA3dShaderType shader_type, 1045 size_t size, 1046 struct list_head *list); 1047extern int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man, 1048 u32 user_key, SVGA3dShaderType shader_type, 1049 struct list_head *list); 1050extern struct vmw_resource * 1051vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1052 u32 user_key, SVGA3dShaderType shader_type); 1053 1054/* 1055 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1056 */ 1057 1058extern struct vmw_cmdbuf_res_manager * 1059vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1060extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1061extern size_t vmw_cmdbuf_res_man_size(void); 1062extern struct vmw_resource * 1063vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1064 enum vmw_cmdbuf_res_type res_type, 1065 u32 user_key); 1066extern void vmw_cmdbuf_res_revert(struct list_head *list); 1067extern void vmw_cmdbuf_res_commit(struct list_head *list); 1068extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1069 enum vmw_cmdbuf_res_type res_type, 1070 u32 user_key, 1071 struct vmw_resource *res, 1072 struct list_head *list); 1073extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1074 enum vmw_cmdbuf_res_type res_type, 1075 u32 user_key, 1076 struct list_head *list); 1077 1078 1079/** 1080 * Inline helper functions 1081 */ 1082 1083static inline void vmw_surface_unreference(struct vmw_surface **srf) 1084{ 1085 struct vmw_surface *tmp_srf = *srf; 1086 struct vmw_resource *res = &tmp_srf->res; 1087 *srf = NULL; 1088 1089 vmw_resource_unreference(&res); 1090} 1091 1092static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1093{ 1094 (void) vmw_resource_reference(&srf->res); 1095 return srf; 1096} 1097 1098static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf) 1099{ 1100 struct vmw_dma_buffer *tmp_buf = *buf; 1101 1102 *buf = NULL; 1103 if (tmp_buf != NULL) { 1104 struct ttm_buffer_object *bo = &tmp_buf->base; 1105 1106 ttm_bo_unref(&bo); 1107 } 1108} 1109 1110static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf) 1111{ 1112 if (ttm_bo_reference(&buf->base)) 1113 return buf; 1114 return NULL; 1115} 1116 1117static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1118{ 1119 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1120} 1121#endif 1122