Pileus Git - ~andy/linux/blob - 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 "20120209"
  44 #define VMWGFX_DRIVER_MAJOR 2
  45 #define VMWGFX_DRIVER_MINOR 4
  46 #define VMWGFX_DRIVER_PATCHLEVEL 0
  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
  54 /*
  55  * Perhaps we should have sysfs entries for these.
  56  */
  57 #define VMWGFX_NUM_GB_CONTEXT 256
  58 #define VMWGFX_NUM_GB_SHADER 20000
  59 #define VMWGFX_NUM_GB_SURFACE 32768
  60 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
  61                         VMWGFX_NUM_GB_SHADER +\
  62                         VMWGFX_NUM_GB_SURFACE)
  63
  64 #define VMW_PL_GMR TTM_PL_PRIV0
  65 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  66 #define VMW_PL_MOB TTM_PL_PRIV1
  67 #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1
  68
  69 #define VMW_RES_CONTEXT ttm_driver_type0
  70 #define VMW_RES_SURFACE ttm_driver_type1
  71 #define VMW_RES_STREAM ttm_driver_type2
  72 #define VMW_RES_FENCE ttm_driver_type3
  73
  74 struct vmw_fpriv {
  75         struct drm_master *locked_master;
  76         struct ttm_object_file *tfile;
  77         struct list_head fence_events;
  78 };
  79
  80 struct vmw_dma_buffer {
  81         struct ttm_buffer_object base;
  82         struct list_head res_list;
  83 };
  84
  85 /**
  86  * struct vmw_validate_buffer - Carries validation info about buffers.
  87  *
  88  * @base: Validation info for TTM.
  89  * @hash: Hash entry for quick lookup of the TTM buffer object.
  90  *
  91  * This structure contains also driver private validation info
  92  * on top of the info needed by TTM.
  93  */
  94 struct vmw_validate_buffer {
  95         struct ttm_validate_buffer base;
  96         struct drm_hash_item hash;
  97 };
  98
  99 struct vmw_res_func;
 100 struct vmw_resource {
 101         struct kref kref;
 102         struct vmw_private *dev_priv;
 103         int id;
 104         bool avail;
 105         unsigned long backup_size;
 106         bool res_dirty; /* Protected by backup buffer reserved */
 107         bool backup_dirty; /* Protected by backup buffer reserved */
 108         struct vmw_dma_buffer *backup;
 109         unsigned long backup_offset;
 110         const struct vmw_res_func *func;
 111         struct list_head lru_head; /* Protected by the resource lock */
 112         struct list_head mob_head; /* Protected by @backup reserved */
 113         void (*res_free) (struct vmw_resource *res);
 114         void (*hw_destroy) (struct vmw_resource *res);
 115 };
 116
 117 enum vmw_res_type {
 118         vmw_res_context,
 119         vmw_res_surface,
 120         vmw_res_stream,
 121         vmw_res_max
 122 };
 123
 124 struct vmw_cursor_snooper {
 125         struct drm_crtc *crtc;
 126         size_t age;
 127         uint32_t *image;
 128 };
 129
 130 struct vmw_framebuffer;
 131 struct vmw_surface_offset;
 132
 133 struct vmw_surface {
 134         struct vmw_resource res;
 135         uint32_t flags;
 136         uint32_t format;
 137         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 138         struct drm_vmw_size base_size;
 139         struct drm_vmw_size *sizes;
 140         uint32_t num_sizes;
 141         bool scanout;
 142         /* TODO so far just a extra pointer */
 143         struct vmw_cursor_snooper snooper;
 144         struct vmw_surface_offset *offsets;
 145         SVGA3dTextureFilter autogen_filter;
 146         uint32_t multisample_count;
 147 };
 148
 149 struct vmw_marker_queue {
 150         struct list_head head;
 151         struct timespec lag;
 152         struct timespec lag_time;
 153         spinlock_t lock;
 154 };
 155
 156 struct vmw_fifo_state {
 157         unsigned long reserved_size;
 158         __le32 *dynamic_buffer;
 159         __le32 *static_buffer;
 160         unsigned long static_buffer_size;
 161         bool using_bounce_buffer;
 162         uint32_t capabilities;
 163         struct mutex fifo_mutex;
 164         struct rw_semaphore rwsem;
 165         struct vmw_marker_queue marker_queue;
 166 };
 167
 168 struct vmw_relocation {
 169         SVGAGuestPtr *location;
 170         uint32_t index;
 171 };
 172
 173 /**
 174  * struct vmw_res_cache_entry - resource information cache entry
 175  *
 176  * @valid: Whether the entry is valid, which also implies that the execbuf
 177  * code holds a reference to the resource, and it's placed on the
 178  * validation list.
 179  * @handle: User-space handle of a resource.
 180  * @res: Non-ref-counted pointer to the resource.
 181  *
 182  * Used to avoid frequent repeated user-space handle lookups of the
 183  * same resource.
 184  */
 185 struct vmw_res_cache_entry {
 186         bool valid;
 187         uint32_t handle;
 188         struct vmw_resource *res;
 189         struct vmw_resource_val_node *node;
 190 };
 191
 192 /**
 193  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
 194  */
 195 enum vmw_dma_map_mode {
 196         vmw_dma_phys,           /* Use physical page addresses */
 197         vmw_dma_alloc_coherent, /* Use TTM coherent pages */
 198         vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
 199         vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
 200         vmw_dma_map_max
 201 };
 202
 203 /**
 204  * struct vmw_sg_table - Scatter/gather table for binding, with additional
 205  * device-specific information.
 206  *
 207  * @sgt: Pointer to a struct sg_table with binding information
 208  * @num_regions: Number of regions with device-address contigous pages
 209  */
 210 struct vmw_sg_table {
 211         enum vmw_dma_map_mode mode;
 212         struct page **pages;
 213         const dma_addr_t *addrs;
 214         struct sg_table *sgt;
 215         unsigned long num_regions;
 216         unsigned long num_pages;
 217 };
 218
 219 /**
 220  * struct vmw_piter - Page iterator that iterates over a list of pages
 221  * and DMA addresses that could be either a scatter-gather list or
 222  * arrays
 223  *
 224  * @pages: Array of page pointers to the pages.
 225  * @addrs: DMA addresses to the pages if coherent pages are used.
 226  * @iter: Scatter-gather page iterator. Current position in SG list.
 227  * @i: Current position in arrays.
 228  * @num_pages: Number of pages total.
 229  * @next: Function to advance the iterator. Returns false if past the list
 230  * of pages, true otherwise.
 231  * @dma_address: Function to return the DMA address of the current page.
 232  */
 233 struct vmw_piter {
 234         struct page **pages;
 235         const dma_addr_t *addrs;
 236         struct sg_page_iter iter;
 237         unsigned long i;
 238         unsigned long num_pages;
 239         bool (*next)(struct vmw_piter *);
 240         dma_addr_t (*dma_address)(struct vmw_piter *);
 241         struct page *(*page)(struct vmw_piter *);
 242 };
 243
 244 struct vmw_sw_context{
 245         struct drm_open_hash res_ht;
 246         bool res_ht_initialized;
 247         bool kernel; /**< is the called made from the kernel */
 248         struct ttm_object_file *tfile;
 249         struct list_head validate_nodes;
 250         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 251         uint32_t cur_reloc;
 252         struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
 253         uint32_t cur_val_buf;
 254         uint32_t *cmd_bounce;
 255         uint32_t cmd_bounce_size;
 256         struct list_head resource_list;
 257         uint32_t fence_flags;
 258         struct ttm_buffer_object *cur_query_bo;
 259         struct list_head res_relocations;
 260         uint32_t *buf_start;
 261         struct vmw_res_cache_entry res_cache[vmw_res_max];
 262         struct vmw_resource *last_query_ctx;
 263         bool needs_post_query_barrier;
 264         struct vmw_resource *error_resource;
 265 };
 266
 267 struct vmw_legacy_display;
 268 struct vmw_overlay;
 269
 270 struct vmw_master {
 271         struct ttm_lock lock;
 272         struct mutex fb_surf_mutex;
 273         struct list_head fb_surf;
 274 };
 275
 276 struct vmw_vga_topology_state {
 277         uint32_t width;
 278         uint32_t height;
 279         uint32_t primary;
 280         uint32_t pos_x;
 281         uint32_t pos_y;
 282 };
 283
 284 struct vmw_private {
 285         struct ttm_bo_device bdev;
 286         struct ttm_bo_global_ref bo_global_ref;
 287         struct drm_global_reference mem_global_ref;
 288
 289         struct vmw_fifo_state fifo;
 290
 291         struct drm_device *dev;
 292         unsigned long vmw_chipset;
 293         unsigned int io_start;
 294         uint32_t vram_start;
 295         uint32_t vram_size;
 296         uint32_t prim_bb_mem;
 297         uint32_t mmio_start;
 298         uint32_t mmio_size;
 299         uint32_t fb_max_width;
 300         uint32_t fb_max_height;
 301         uint32_t initial_width;
 302         uint32_t initial_height;
 303         __le32 __iomem *mmio_virt;
 304         int mmio_mtrr;
 305         uint32_t capabilities;
 306         uint32_t max_gmr_ids;
 307         uint32_t max_gmr_pages;
 308         uint32_t max_mob_pages;
 309         uint32_t memory_size;
 310         bool has_gmr;
 311         bool has_mob;
 312         struct mutex hw_mutex;
 313
 314         /*
 315          * VGA registers.
 316          */
 317
 318         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 319         uint32_t vga_width;
 320         uint32_t vga_height;
 321         uint32_t vga_bpp;
 322         uint32_t vga_bpl;
 323         uint32_t vga_pitchlock;
 324
 325         uint32_t num_displays;
 326
 327         /*
 328          * Framebuffer info.
 329          */
 330
 331         void *fb_info;
 332         struct vmw_legacy_display *ldu_priv;
 333         struct vmw_screen_object_display *sou_priv;
 334         struct vmw_overlay *overlay_priv;
 335
 336         /*
 337          * Context and surface management.
 338          */
 339
 340         rwlock_t resource_lock;
 341         struct idr res_idr[vmw_res_max];
 342         /*
 343          * Block lastclose from racing with firstopen.
 344          */
 345
 346         struct mutex init_mutex;
 347
 348         /*
 349          * A resource manager for kernel-only surfaces and
 350          * contexts.
 351          */
 352
 353         struct ttm_object_device *tdev;
 354
 355         /*
 356          * Fencing and IRQs.
 357          */
 358
 359         atomic_t marker_seq;
 360         wait_queue_head_t fence_queue;
 361         wait_queue_head_t fifo_queue;
 362         int fence_queue_waiters; /* Protected by hw_mutex */
 363         int goal_queue_waiters; /* Protected by hw_mutex */
 364         atomic_t fifo_queue_waiters;
 365         uint32_t last_read_seqno;
 366         spinlock_t irq_lock;
 367         struct vmw_fence_manager *fman;
 368         uint32_t irq_mask;
 369
 370         /*
 371          * Device state
 372          */
 373
 374         uint32_t traces_state;
 375         uint32_t enable_state;
 376         uint32_t config_done_state;
 377
 378         /**
 379          * Execbuf
 380          */
 381         /**
 382          * Protected by the cmdbuf mutex.
 383          */
 384
 385         struct vmw_sw_context ctx;
 386         struct mutex cmdbuf_mutex;
 387
 388         /**
 389          * Operating mode.
 390          */
 391
 392         bool stealth;
 393         bool enable_fb;
 394
 395         /**
 396          * Master management.
 397          */
 398
 399         struct vmw_master *active_master;
 400         struct vmw_master fbdev_master;
 401         struct notifier_block pm_nb;
 402         bool suspended;
 403
 404         struct mutex release_mutex;
 405         uint32_t num_3d_resources;
 406
 407         /*
 408          * Query processing. These members
 409          * are protected by the cmdbuf mutex.
 410          */
 411
 412         struct ttm_buffer_object *dummy_query_bo;
 413         struct ttm_buffer_object *pinned_bo;
 414         uint32_t query_cid;
 415         uint32_t query_cid_valid;
 416         bool dummy_query_bo_pinned;
 417
 418         /*
 419          * Surface swapping. The "surface_lru" list is protected by the
 420          * resource lock in order to be able to destroy a surface and take
 421          * it off the lru atomically. "used_memory_size" is currently
 422          * protected by the cmdbuf mutex for simplicity.
 423          */
 424
 425         struct list_head res_lru[vmw_res_max];
 426         uint32_t used_memory_size;
 427
 428         /*
 429          * DMA mapping stuff.
 430          */
 431         enum vmw_dma_map_mode map_mode;
 432
 433         /*
 434          * Guest Backed stuff
 435          */
 436         struct ttm_buffer_object *otable_bo;
 437         struct vmw_otable *otables;
 438 };
 439
 440 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
 441 {
 442         return container_of(res, struct vmw_surface, res);
 443 }
 444
 445 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 446 {
 447         return (struct vmw_private *)dev->dev_private;
 448 }
 449
 450 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 451 {
 452         return (struct vmw_fpriv *)file_priv->driver_priv;
 453 }
 454
 455 static inline struct vmw_master *vmw_master(struct drm_master *master)
 456 {
 457         return (struct vmw_master *) master->driver_priv;
 458 }
 459
 460 static inline void vmw_write(struct vmw_private *dev_priv,
 461                              unsigned int offset, uint32_t value)
 462 {
 463         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 464         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 465 }
 466
 467 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 468                                 unsigned int offset)
 469 {
 470         uint32_t val;
 471
 472         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 473         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 474         return val;
 475 }
 476
 477 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
 478 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
 479
 480 /**
 481  * GMR utilities - vmwgfx_gmr.c
 482  */
 483
 484 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 485                         const struct vmw_sg_table *vsgt,
 486                         unsigned long num_pages,
 487                         int gmr_id);
 488 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 489
 490 /**
 491  * Resource utilities - vmwgfx_resource.c
 492  */
 493 struct vmw_user_resource_conv;
 494 extern const struct vmw_user_resource_conv *user_surface_converter;
 495 extern const struct vmw_user_resource_conv *user_context_converter;
 496
 497 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 498 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 499 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 500 extern int vmw_resource_validate(struct vmw_resource *res);
 501 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
 502 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
 503 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 504                                      struct drm_file *file_priv);
 505 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 506                                     struct drm_file *file_priv);
 507 extern int vmw_context_check(struct vmw_private *dev_priv,
 508                              struct ttm_object_file *tfile,
 509                              int id,
 510                              struct vmw_resource **p_res);
 511 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
 512                                   struct ttm_object_file *tfile,
 513                                   uint32_t handle,
 514                                   struct vmw_surface **out_surf,
 515                                   struct vmw_dma_buffer **out_buf);
 516 extern int vmw_user_resource_lookup_handle(
 517         struct vmw_private *dev_priv,
 518         struct ttm_object_file *tfile,
 519         uint32_t handle,
 520         const struct vmw_user_resource_conv *converter,
 521         struct vmw_resource **p_res);
 522 extern void vmw_surface_res_free(struct vmw_resource *res);
 523 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 524                                      struct drm_file *file_priv);
 525 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 526                                     struct drm_file *file_priv);
 527 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 528                                        struct drm_file *file_priv);
 529 extern int vmw_surface_check(struct vmw_private *dev_priv,
 530                              struct ttm_object_file *tfile,
 531                              uint32_t handle, int *id);
 532 extern int vmw_surface_validate(struct vmw_private *dev_priv,
 533                                 struct vmw_surface *srf);
 534 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 535 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 536                            struct vmw_dma_buffer *vmw_bo,
 537                            size_t size, struct ttm_placement *placement,
 538                            bool interuptable,
 539                            void (*bo_free) (struct ttm_buffer_object *bo));
 540 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
 541                                   struct ttm_object_file *tfile);
 542 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 543                                   struct drm_file *file_priv);
 544 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 545                                   struct drm_file *file_priv);
 546 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 547                                          uint32_t cur_validate_node);
 548 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 549 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 550                                   uint32_t id, struct vmw_dma_buffer **out);
 551 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 552                                   struct drm_file *file_priv);
 553 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 554                                   struct drm_file *file_priv);
 555 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 556                                   struct ttm_object_file *tfile,
 557                                   uint32_t *inout_id,
 558                                   struct vmw_resource **out);
 559 extern void vmw_resource_unreserve(struct vmw_resource *res,
 560                                    struct vmw_dma_buffer *new_backup,
 561                                    unsigned long new_backup_offset);
 562 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 563                                      struct ttm_mem_reg *mem);
 564 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 565                                 struct vmw_fence_obj *fence);
 566 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
 567
 568 /**
 569  * DMA buffer helper routines - vmwgfx_dmabuf.c
 570  */
 571 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
 572                                    struct vmw_dma_buffer *bo,
 573                                    struct ttm_placement *placement,
 574                                    bool interruptible);
 575 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
 576                               struct vmw_dma_buffer *buf,
 577                               bool pin, bool interruptible);
 578 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
 579                                      struct vmw_dma_buffer *buf,
 580                                      bool pin, bool interruptible);
 581 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 582                                        struct vmw_dma_buffer *bo,
 583                                        bool pin, bool interruptible);
 584 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
 585                             struct vmw_dma_buffer *bo,
 586                             bool interruptible);
 587 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
 588                                  SVGAGuestPtr *ptr);
 589 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
 590
 591 /**
 592  * Misc Ioctl functionality - vmwgfx_ioctl.c
 593  */
 594
 595 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 596                               struct drm_file *file_priv);
 597 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 598                                 struct drm_file *file_priv);
 599 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 600                              struct drm_file *file_priv);
 601 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 602                                       struct drm_file *file_priv);
 603 extern unsigned int vmw_fops_poll(struct file *filp,
 604                                   struct poll_table_struct *wait);
 605 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
 606                              size_t count, loff_t *offset);
 607
 608 /**
 609  * Fifo utilities - vmwgfx_fifo.c
 610  */
 611
 612 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 613                          struct vmw_fifo_state *fifo);
 614 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 615                              struct vmw_fifo_state *fifo);
 616 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 617 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 618 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 619                                uint32_t *seqno);
 620 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 621 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 622 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 623 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
 624                                      uint32_t cid);
 625
 626 /**
 627  * TTM glue - vmwgfx_ttm_glue.c
 628  */
 629
 630 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 631 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 632 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 633
 634 /**
 635  * TTM buffer object driver - vmwgfx_buffer.c
 636  */
 637
 638 extern const size_t vmw_tt_size;
 639 extern struct ttm_placement vmw_vram_placement;
 640 extern struct ttm_placement vmw_vram_ne_placement;
 641 extern struct ttm_placement vmw_vram_sys_placement;
 642 extern struct ttm_placement vmw_vram_gmr_placement;
 643 extern struct ttm_placement vmw_vram_gmr_ne_placement;
 644 extern struct ttm_placement vmw_sys_placement;
 645 extern struct ttm_placement vmw_sys_ne_placement;
 646 extern struct ttm_placement vmw_evictable_placement;
 647 extern struct ttm_placement vmw_srf_placement;
 648 extern struct ttm_bo_driver vmw_bo_driver;
 649 extern int vmw_dma_quiescent(struct drm_device *dev);
 650 extern void vmw_piter_start(struct vmw_piter *viter,
 651                             const struct vmw_sg_table *vsgt,
 652                             unsigned long p_offs);
 653
 654 /**
 655  * vmw_piter_next - Advance the iterator one page.
 656  *
 657  * @viter: Pointer to the iterator to advance.
 658  *
 659  * Returns false if past the list of pages, true otherwise.
 660  */
 661 static inline bool vmw_piter_next(struct vmw_piter *viter)
 662 {
 663         return viter->next(viter);
 664 }
 665
 666 /**
 667  * vmw_piter_dma_addr - Return the DMA address of the current page.
 668  *
 669  * @viter: Pointer to the iterator
 670  *
 671  * Returns the DMA address of the page pointed to by @viter.
 672  */
 673 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
 674 {
 675         return viter->dma_address(viter);
 676 }
 677
 678 /**
 679  * vmw_piter_page - Return a pointer to the current page.
 680  *
 681  * @viter: Pointer to the iterator
 682  *
 683  * Returns the DMA address of the page pointed to by @viter.
 684  */
 685 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
 686 {
 687         return viter->page(viter);
 688 }
 689
 690 /**
 691  * Command submission - vmwgfx_execbuf.c
 692  */
 693
 694 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 695                              struct drm_file *file_priv);
 696 extern int vmw_execbuf_process(struct drm_file *file_priv,
 697                                struct vmw_private *dev_priv,
 698                                void __user *user_commands,
 699                                void *kernel_commands,
 700                                uint32_t command_size,
 701                                uint64_t throttle_us,
 702                                struct drm_vmw_fence_rep __user
 703                                *user_fence_rep,
 704                                struct vmw_fence_obj **out_fence);
 705 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
 706                                             struct vmw_fence_obj *fence);
 707 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
 708
 709 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
 710                                       struct vmw_private *dev_priv,
 711                                       struct vmw_fence_obj **p_fence,
 712                                       uint32_t *p_handle);
 713 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
 714                                         struct vmw_fpriv *vmw_fp,
 715                                         int ret,
 716                                         struct drm_vmw_fence_rep __user
 717                                         *user_fence_rep,
 718                                         struct vmw_fence_obj *fence,
 719                                         uint32_t fence_handle);
 720
 721 /**
 722  * IRQs and wating - vmwgfx_irq.c
 723  */
 724
 725 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
 726 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
 727                              uint32_t seqno, bool interruptible,
 728                              unsigned long timeout);
 729 extern void vmw_irq_preinstall(struct drm_device *dev);
 730 extern int vmw_irq_postinstall(struct drm_device *dev);
 731 extern void vmw_irq_uninstall(struct drm_device *dev);
 732 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
 733                                 uint32_t seqno);
 734 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 735                              bool lazy,
 736                              bool fifo_idle,
 737                              uint32_t seqno,
 738                              bool interruptible,
 739                              unsigned long timeout);
 740 extern void vmw_update_seqno(struct vmw_private *dev_priv,
 741                                 struct vmw_fifo_state *fifo_state);
 742 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
 743 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
 744 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
 745 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
 746
 747 /**
 748  * Rudimentary fence-like objects currently used only for throttling -
 749  * vmwgfx_marker.c
 750  */
 751
 752 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
 753 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
 754 extern int vmw_marker_push(struct vmw_marker_queue *queue,
 755                           uint32_t seqno);
 756 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
 757                           uint32_t signaled_seqno);
 758 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 759                         struct vmw_marker_queue *queue, uint32_t us);
 760
 761 /**
 762  * Kernel framebuffer - vmwgfx_fb.c
 763  */
 764
 765 int vmw_fb_init(struct vmw_private *vmw_priv);
 766 int vmw_fb_close(struct vmw_private *dev_priv);
 767 int vmw_fb_off(struct vmw_private *vmw_priv);
 768 int vmw_fb_on(struct vmw_private *vmw_priv);
 769
 770 /**
 771  * Kernel modesetting - vmwgfx_kms.c
 772  */
 773
 774 int vmw_kms_init(struct vmw_private *dev_priv);
 775 int vmw_kms_close(struct vmw_private *dev_priv);
 776 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 777 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 778 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 779                                 struct drm_file *file_priv);
 780 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 781 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 782                           struct ttm_object_file *tfile,
 783                           struct ttm_buffer_object *bo,
 784                           SVGA3dCmdHeader *header);
 785 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 786                        unsigned width, unsigned height, unsigned pitch,
 787                        unsigned bpp, unsigned depth);
 788 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 789 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 790                                 uint32_t pitch,
 791                                 uint32_t height);
 792 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 793 int vmw_enable_vblank(struct drm_device *dev, int crtc);
 794 void vmw_disable_vblank(struct drm_device *dev, int crtc);
 795 int vmw_kms_present(struct vmw_private *dev_priv,
 796                     struct drm_file *file_priv,
 797                     struct vmw_framebuffer *vfb,
 798                     struct vmw_surface *surface,
 799                     uint32_t sid, int32_t destX, int32_t destY,
 800                     struct drm_vmw_rect *clips,
 801                     uint32_t num_clips);
 802 int vmw_kms_readback(struct vmw_private *dev_priv,
 803                      struct drm_file *file_priv,
 804                      struct vmw_framebuffer *vfb,
 805                      struct drm_vmw_fence_rep __user *user_fence_rep,
 806                      struct drm_vmw_rect *clips,
 807                      uint32_t num_clips);
 808 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 809                                 struct drm_file *file_priv);
 810
 811 int vmw_dumb_create(struct drm_file *file_priv,
 812                     struct drm_device *dev,
 813                     struct drm_mode_create_dumb *args);
 814
 815 int vmw_dumb_map_offset(struct drm_file *file_priv,
 816                         struct drm_device *dev, uint32_t handle,
 817                         uint64_t *offset);
 818 int vmw_dumb_destroy(struct drm_file *file_priv,
 819                      struct drm_device *dev,
 820                      uint32_t handle);
 821 /**
 822  * Overlay control - vmwgfx_overlay.c
 823  */
 824
 825 int vmw_overlay_init(struct vmw_private *dev_priv);
 826 int vmw_overlay_close(struct vmw_private *dev_priv);
 827 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 828                       struct drm_file *file_priv);
 829 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 830 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 831 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 832 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 833 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 834 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 835 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 836
 837 /**
 838  * GMR Id manager
 839  */
 840
 841 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 842
 843 /**
 844  * Prime - vmwgfx_prime.c
 845  */
 846
 847 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
 848 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
 849                                   struct drm_file *file_priv,
 850                                   int fd, u32 *handle);
 851 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
 852                                   struct drm_file *file_priv,
 853                                   uint32_t handle, uint32_t flags,
 854                                   int *prime_fd);
 855
 856 /*
 857  * MemoryOBject management -  vmwgfx_mob.c
 858  */
 859 struct vmw_mob;
 860 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
 861                         struct page **data_pages, unsigned long num_data_pages,
 862                         int32_t mob_id);
 863 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
 864                            struct vmw_mob *mob);
 865 extern void vmw_mob_destroy(struct vmw_mob *mob);
 866 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
 867 extern int vmw_otables_setup(struct vmw_private *dev_priv);
 868 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
 869
 870 /**
 871  * Inline helper functions
 872  */
 873
 874 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 875 {
 876         struct vmw_surface *tmp_srf = *srf;
 877         struct vmw_resource *res = &tmp_srf->res;
 878         *srf = NULL;
 879
 880         vmw_resource_unreference(&res);
 881 }
 882
 883 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 884 {
 885         (void) vmw_resource_reference(&srf->res);
 886         return srf;
 887 }
 888
 889 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 890 {
 891         struct vmw_dma_buffer *tmp_buf = *buf;
 892
 893         *buf = NULL;
 894         if (tmp_buf != NULL) {
 895                 struct ttm_buffer_object *bo = &tmp_buf->base;
 896
 897                 ttm_bo_unref(&bo);
 898         }
 899 }
 900
 901 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 902 {
 903         if (ttm_bo_reference(&buf->base))
 904                 return buf;
 905         return NULL;
 906 }
 907
 908 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
 909 {
 910         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
 911 }
 912 #endif