drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

   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
  78 struct 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
  85 struct 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  */
  99 struct vmw_validate_buffer {
 100         struct ttm_validate_buffer base;
 101         struct drm_hash_item hash;
 102         bool validate_as_mob;
 103 };
 104
 105 struct vmw_res_func;
 106 struct 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  */
 128 enum 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  */
 139 enum vmw_cmdbuf_res_type {
 140         vmw_cmdbuf_res_compat_shader
 141 };
 142
 143 struct vmw_cmdbuf_res_manager;
 144
 145 struct vmw_cursor_snooper {
 146         struct drm_crtc *crtc;
 147         size_t age;
 148         uint32_t *image;
 149 };
 150
 151 struct vmw_framebuffer;
 152 struct vmw_surface_offset;
 153
 154 struct 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
 170 struct vmw_marker_queue {
 171         struct list_head head;
 172         u64 lag;
 173         u64 lag_time;
 174         spinlock_t lock;
 175 };
 176
 177 struct 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
 189 struct 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  */
 207 struct 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  */
 217 enum 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  */
 232 struct 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  */
 255 struct 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  */
 269 enum 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  */
 285 struct 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  */
 305 struct 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  */
 325 struct 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
 332 struct 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
 356 struct vmw_legacy_display;
 357 struct vmw_overlay;
 358
 359 struct vmw_master {
 360         struct ttm_lock lock;
 361         struct mutex fb_surf_mutex;
 362         struct list_head fb_surf;
 363 };
 364
 365 struct 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
 373 struct 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
 538 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
 539 {
 540         return container_of(res, struct vmw_surface, res);
 541 }
 542
 543 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 544 {
 545         return (struct vmw_private *)dev->dev_private;
 546 }
 547
 548 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 549 {
 550         return (struct vmw_fpriv *)file_priv->driver_priv;
 551 }
 552
 553 static 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  */
 565 static 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
 576 static 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
 590 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
 591 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
 592
 593 /**
 594  * GMR utilities - vmwgfx_gmr.c
 595  */
 596
 597 extern 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);
 601 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 602
 603 /**
 604  * Resource utilities - vmwgfx_resource.c
 605  */
 606 struct vmw_user_resource_conv;
 607
 608 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 609 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 610 extern struct vmw_resource *
 611 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
 612 extern int vmw_resource_validate(struct vmw_resource *res);
 613 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
 614 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
 615 extern 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);
 620 extern 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);
 626 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 627 extern 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));
 632 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
 633                                   struct ttm_object_file *tfile);
 634 extern 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 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
 641                                      struct vmw_dma_buffer *dma_buf,
 642                                      uint32_t *handle);
 643 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 644                                   struct drm_file *file_priv);
 645 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 646                                   struct drm_file *file_priv);
 647 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
 648                                          struct drm_file *file_priv);
 649 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 650                                          uint32_t cur_validate_node);
 651 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 652 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 653                                   uint32_t id, struct vmw_dma_buffer **out);
 654 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 655                                   struct drm_file *file_priv);
 656 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 657                                   struct drm_file *file_priv);
 658 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 659                                   struct ttm_object_file *tfile,
 660                                   uint32_t *inout_id,
 661                                   struct vmw_resource **out);
 662 extern void vmw_resource_unreserve(struct vmw_resource *res,
 663                                    struct vmw_dma_buffer *new_backup,
 664                                    unsigned long new_backup_offset);
 665 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 666                                      struct ttm_mem_reg *mem);
 667 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 668                                 struct vmw_fence_obj *fence);
 669 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
 670
 671 /**
 672  * DMA buffer helper routines - vmwgfx_dmabuf.c
 673  */
 674 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
 675                                    struct vmw_dma_buffer *bo,
 676                                    struct ttm_placement *placement,
 677                                    bool interruptible);
 678 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
 679                               struct vmw_dma_buffer *buf,
 680                               bool pin, bool interruptible);
 681 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
 682                                      struct vmw_dma_buffer *buf,
 683                                      bool pin, bool interruptible);
 684 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 685                                        struct vmw_dma_buffer *bo,
 686                                        bool pin, bool interruptible);
 687 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
 688                             struct vmw_dma_buffer *bo,
 689                             bool interruptible);
 690 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
 691                                  SVGAGuestPtr *ptr);
 692 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
 693
 694 /**
 695  * Misc Ioctl functionality - vmwgfx_ioctl.c
 696  */
 697
 698 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 699                               struct drm_file *file_priv);
 700 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 701                                 struct drm_file *file_priv);
 702 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 703                              struct drm_file *file_priv);
 704 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 705                                       struct drm_file *file_priv);
 706 extern unsigned int vmw_fops_poll(struct file *filp,
 707                                   struct poll_table_struct *wait);
 708 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
 709                              size_t count, loff_t *offset);
 710
 711 /**
 712  * Fifo utilities - vmwgfx_fifo.c
 713  */
 714
 715 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 716                          struct vmw_fifo_state *fifo);
 717 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 718                              struct vmw_fifo_state *fifo);
 719 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 720 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 721 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 722                                uint32_t *seqno);
 723 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason);
 724 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 725 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 726 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 727 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
 728                                      uint32_t cid);
 729
 730 /**
 731  * TTM glue - vmwgfx_ttm_glue.c
 732  */
 733
 734 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 735 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 736 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 737
 738 /**
 739  * TTM buffer object driver - vmwgfx_buffer.c
 740  */
 741
 742 extern const size_t vmw_tt_size;
 743 extern struct ttm_placement vmw_vram_placement;
 744 extern struct ttm_placement vmw_vram_ne_placement;
 745 extern struct ttm_placement vmw_vram_sys_placement;
 746 extern struct ttm_placement vmw_vram_gmr_placement;
 747 extern struct ttm_placement vmw_vram_gmr_ne_placement;
 748 extern struct ttm_placement vmw_sys_placement;
 749 extern struct ttm_placement vmw_sys_ne_placement;
 750 extern struct ttm_placement vmw_evictable_placement;
 751 extern struct ttm_placement vmw_srf_placement;
 752 extern struct ttm_placement vmw_mob_placement;
 753 extern struct ttm_bo_driver vmw_bo_driver;
 754 extern int vmw_dma_quiescent(struct drm_device *dev);
 755 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
 756 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
 757 extern const struct vmw_sg_table *
 758 vmw_bo_sg_table(struct ttm_buffer_object *bo);
 759 extern void vmw_piter_start(struct vmw_piter *viter,
 760                             const struct vmw_sg_table *vsgt,
 761                             unsigned long p_offs);
 762
 763 /**
 764  * vmw_piter_next - Advance the iterator one page.
 765  *
 766  * @viter: Pointer to the iterator to advance.
 767  *
 768  * Returns false if past the list of pages, true otherwise.
 769  */
 770 static inline bool vmw_piter_next(struct vmw_piter *viter)
 771 {
 772         return viter->next(viter);
 773 }
 774
 775 /**
 776  * vmw_piter_dma_addr - Return the DMA address of the current page.
 777  *
 778  * @viter: Pointer to the iterator
 779  *
 780  * Returns the DMA address of the page pointed to by @viter.
 781  */
 782 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
 783 {
 784         return viter->dma_address(viter);
 785 }
 786
 787 /**
 788  * vmw_piter_page - Return a pointer to the current page.
 789  *
 790  * @viter: Pointer to the iterator
 791  *
 792  * Returns the DMA address of the page pointed to by @viter.
 793  */
 794 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
 795 {
 796         return viter->page(viter);
 797 }
 798
 799 /**
 800  * Command submission - vmwgfx_execbuf.c
 801  */
 802
 803 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 804                              struct drm_file *file_priv);
 805 extern int vmw_execbuf_process(struct drm_file *file_priv,
 806                                struct vmw_private *dev_priv,
 807                                void __user *user_commands,
 808                                void *kernel_commands,
 809                                uint32_t command_size,
 810                                uint64_t throttle_us,
 811                                struct drm_vmw_fence_rep __user
 812                                *user_fence_rep,
 813                                struct vmw_fence_obj **out_fence);
 814 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
 815                                             struct vmw_fence_obj *fence);
 816 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
 817
 818 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
 819                                       struct vmw_private *dev_priv,
 820                                       struct vmw_fence_obj **p_fence,
 821                                       uint32_t *p_handle);
 822 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
 823                                         struct vmw_fpriv *vmw_fp,
 824                                         int ret,
 825                                         struct drm_vmw_fence_rep __user
 826                                         *user_fence_rep,
 827                                         struct vmw_fence_obj *fence,
 828                                         uint32_t fence_handle);
 829
 830 /**
 831  * IRQs and wating - vmwgfx_irq.c
 832  */
 833
 834 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
 835 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
 836                              uint32_t seqno, bool interruptible,
 837                              unsigned long timeout);
 838 extern void vmw_irq_preinstall(struct drm_device *dev);
 839 extern int vmw_irq_postinstall(struct drm_device *dev);
 840 extern void vmw_irq_uninstall(struct drm_device *dev);
 841 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
 842                                 uint32_t seqno);
 843 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 844                              bool lazy,
 845                              bool fifo_idle,
 846                              uint32_t seqno,
 847                              bool interruptible,
 848                              unsigned long timeout);
 849 extern void vmw_update_seqno(struct vmw_private *dev_priv,
 850                                 struct vmw_fifo_state *fifo_state);
 851 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
 852 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
 853 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
 854 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
 855
 856 /**
 857  * Rudimentary fence-like objects currently used only for throttling -
 858  * vmwgfx_marker.c
 859  */
 860
 861 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
 862 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
 863 extern int vmw_marker_push(struct vmw_marker_queue *queue,
 864                           uint32_t seqno);
 865 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
 866                           uint32_t signaled_seqno);
 867 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 868                         struct vmw_marker_queue *queue, uint32_t us);
 869
 870 /**
 871  * Kernel framebuffer - vmwgfx_fb.c
 872  */
 873
 874 int vmw_fb_init(struct vmw_private *vmw_priv);
 875 int vmw_fb_close(struct vmw_private *dev_priv);
 876 int vmw_fb_off(struct vmw_private *vmw_priv);
 877 int vmw_fb_on(struct vmw_private *vmw_priv);
 878
 879 /**
 880  * Kernel modesetting - vmwgfx_kms.c
 881  */
 882
 883 int vmw_kms_init(struct vmw_private *dev_priv);
 884 int vmw_kms_close(struct vmw_private *dev_priv);
 885 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 886 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 887 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 888                                 struct drm_file *file_priv);
 889 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 890 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 891                           struct ttm_object_file *tfile,
 892                           struct ttm_buffer_object *bo,
 893                           SVGA3dCmdHeader *header);
 894 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 895                        unsigned width, unsigned height, unsigned pitch,
 896                        unsigned bpp, unsigned depth);
 897 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 898 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 899                                 uint32_t pitch,
 900                                 uint32_t height);
 901 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 902 int vmw_enable_vblank(struct drm_device *dev, int crtc);
 903 void vmw_disable_vblank(struct drm_device *dev, int crtc);
 904 int vmw_kms_present(struct vmw_private *dev_priv,
 905                     struct drm_file *file_priv,
 906                     struct vmw_framebuffer *vfb,
 907                     struct vmw_surface *surface,
 908                     uint32_t sid, int32_t destX, int32_t destY,
 909                     struct drm_vmw_rect *clips,
 910                     uint32_t num_clips);
 911 int vmw_kms_readback(struct vmw_private *dev_priv,
 912                      struct drm_file *file_priv,
 913                      struct vmw_framebuffer *vfb,
 914                      struct drm_vmw_fence_rep __user *user_fence_rep,
 915                      struct drm_vmw_rect *clips,
 916                      uint32_t num_clips);
 917 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 918                                 struct drm_file *file_priv);
 919
 920 int vmw_dumb_create(struct drm_file *file_priv,
 921                     struct drm_device *dev,
 922                     struct drm_mode_create_dumb *args);
 923
 924 int vmw_dumb_map_offset(struct drm_file *file_priv,
 925                         struct drm_device *dev, uint32_t handle,
 926                         uint64_t *offset);
 927 int vmw_dumb_destroy(struct drm_file *file_priv,
 928                      struct drm_device *dev,
 929                      uint32_t handle);
 930 /**
 931  * Overlay control - vmwgfx_overlay.c
 932  */
 933
 934 int vmw_overlay_init(struct vmw_private *dev_priv);
 935 int vmw_overlay_close(struct vmw_private *dev_priv);
 936 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 937                       struct drm_file *file_priv);
 938 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 939 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 940 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 941 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 942 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 943 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 944 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 945
 946 /**
 947  * GMR Id manager
 948  */
 949
 950 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 951
 952 /**
 953  * Prime - vmwgfx_prime.c
 954  */
 955
 956 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
 957 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
 958                                   struct drm_file *file_priv,
 959                                   int fd, u32 *handle);
 960 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
 961                                   struct drm_file *file_priv,
 962                                   uint32_t handle, uint32_t flags,
 963                                   int *prime_fd);
 964
 965 /*
 966  * MemoryOBject management -  vmwgfx_mob.c
 967  */
 968 struct vmw_mob;
 969 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
 970                         const struct vmw_sg_table *vsgt,
 971                         unsigned long num_data_pages, int32_t mob_id);
 972 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
 973                            struct vmw_mob *mob);
 974 extern void vmw_mob_destroy(struct vmw_mob *mob);
 975 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
 976 extern int vmw_otables_setup(struct vmw_private *dev_priv);
 977 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
 978
 979 /*
 980  * Context management - vmwgfx_context.c
 981  */
 982
 983 extern const struct vmw_user_resource_conv *user_context_converter;
 984
 985 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 986
 987 extern int vmw_context_check(struct vmw_private *dev_priv,
 988                              struct ttm_object_file *tfile,
 989                              int id,
 990                              struct vmw_resource **p_res);
 991 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 992                                     struct drm_file *file_priv);
 993 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 994                                      struct drm_file *file_priv);
 995 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
 996                                    const struct vmw_ctx_bindinfo *ci);
 997 extern void
 998 vmw_context_binding_state_transfer(struct vmw_resource *res,
 999                                    struct vmw_ctx_binding_state *cbs);
1000 extern void vmw_context_binding_res_list_kill(struct list_head *head);
1001 extern void vmw_context_binding_res_list_scrub(struct list_head *head);
1002 extern int vmw_context_rebind_all(struct vmw_resource *ctx);
1003 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1004 extern struct vmw_cmdbuf_res_manager *
1005 vmw_context_res_man(struct vmw_resource *ctx);
1006 /*
1007  * Surface management - vmwgfx_surface.c
1008  */
1009
1010 extern const struct vmw_user_resource_conv *user_surface_converter;
1011
1012 extern void vmw_surface_res_free(struct vmw_resource *res);
1013 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1014                                      struct drm_file *file_priv);
1015 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1016                                     struct drm_file *file_priv);
1017 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1018                                        struct drm_file *file_priv);
1019 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1020                                        struct drm_file *file_priv);
1021 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1022                                           struct drm_file *file_priv);
1023 extern int vmw_surface_check(struct vmw_private *dev_priv,
1024                              struct ttm_object_file *tfile,
1025                              uint32_t handle, int *id);
1026 extern int vmw_surface_validate(struct vmw_private *dev_priv,
1027                                 struct vmw_surface *srf);
1028
1029 /*
1030  * Shader management - vmwgfx_shader.c
1031  */
1032
1033 extern const struct vmw_user_resource_conv *user_shader_converter;
1034
1035 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1036                                    struct drm_file *file_priv);
1037 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1038                                     struct drm_file *file_priv);
1039 extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1040                                  struct vmw_cmdbuf_res_manager *man,
1041                                  u32 user_key, const void *bytecode,
1042                                  SVGA3dShaderType shader_type,
1043                                  size_t size,
1044                                  struct list_head *list);
1045 extern int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man,
1046                                     u32 user_key, SVGA3dShaderType shader_type,
1047                                     struct list_head *list);
1048 extern struct vmw_resource *
1049 vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1050                          u32 user_key, SVGA3dShaderType shader_type);
1051
1052 /*
1053  * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1054  */
1055
1056 extern struct vmw_cmdbuf_res_manager *
1057 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1058 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1059 extern size_t vmw_cmdbuf_res_man_size(void);
1060 extern struct vmw_resource *
1061 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1062                       enum vmw_cmdbuf_res_type res_type,
1063                       u32 user_key);
1064 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1065 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1066 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1067                               enum vmw_cmdbuf_res_type res_type,
1068                               u32 user_key,
1069                               struct vmw_resource *res,
1070                               struct list_head *list);
1071 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1072                                  enum vmw_cmdbuf_res_type res_type,
1073                                  u32 user_key,
1074                                  struct list_head *list);
1075
1076
1077 /**
1078  * Inline helper functions
1079  */
1080
1081 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1082 {
1083         struct vmw_surface *tmp_srf = *srf;
1084         struct vmw_resource *res = &tmp_srf->res;
1085         *srf = NULL;
1086
1087         vmw_resource_unreference(&res);
1088 }
1089
1090 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1091 {
1092         (void) vmw_resource_reference(&srf->res);
1093         return srf;
1094 }
1095
1096 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
1097 {
1098         struct vmw_dma_buffer *tmp_buf = *buf;
1099
1100         *buf = NULL;
1101         if (tmp_buf != NULL) {
1102                 struct ttm_buffer_object *bo = &tmp_buf->base;
1103
1104                 ttm_bo_unref(&bo);
1105         }
1106 }
1107
1108 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
1109 {
1110         if (ttm_bo_reference(&buf->base))
1111                 return buf;
1112         return NULL;
1113 }
1114
1115 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1116 {
1117         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
1118 }
1119 #endif