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         bool validate_as_mob;
  98 };
  99
 100 struct vmw_res_func;
 101 struct vmw_resource {
 102         struct kref kref;
 103         struct vmw_private *dev_priv;
 104         int id;
 105         bool avail;
 106         unsigned long backup_size;
 107         bool res_dirty; /* Protected by backup buffer reserved */
 108         bool backup_dirty; /* Protected by backup buffer reserved */
 109         struct vmw_dma_buffer *backup;
 110         unsigned long backup_offset;
 111         const struct vmw_res_func *func;
 112         struct list_head lru_head; /* Protected by the resource lock */
 113         struct list_head mob_head; /* Protected by @backup reserved */
 114         void (*res_free) (struct vmw_resource *res);
 115         void (*hw_destroy) (struct vmw_resource *res);
 116 };
 117
 118 enum vmw_res_type {
 119         vmw_res_context,
 120         vmw_res_surface,
 121         vmw_res_stream,
 122         vmw_res_max
 123 };
 124
 125 struct vmw_cursor_snooper {
 126         struct drm_crtc *crtc;
 127         size_t age;
 128         uint32_t *image;
 129 };
 130
 131 struct vmw_framebuffer;
 132 struct vmw_surface_offset;
 133
 134 struct vmw_surface {
 135         struct vmw_resource res;
 136         uint32_t flags;
 137         uint32_t format;
 138         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 139         struct drm_vmw_size base_size;
 140         struct drm_vmw_size *sizes;
 141         uint32_t num_sizes;
 142         bool scanout;
 143         /* TODO so far just a extra pointer */
 144         struct vmw_cursor_snooper snooper;
 145         struct vmw_surface_offset *offsets;
 146         SVGA3dTextureFilter autogen_filter;
 147         uint32_t multisample_count;
 148 };
 149
 150 struct vmw_marker_queue {
 151         struct list_head head;
 152         struct timespec lag;
 153         struct timespec lag_time;
 154         spinlock_t lock;
 155 };
 156
 157 struct vmw_fifo_state {
 158         unsigned long reserved_size;
 159         __le32 *dynamic_buffer;
 160         __le32 *static_buffer;
 161         unsigned long static_buffer_size;
 162         bool using_bounce_buffer;
 163         uint32_t capabilities;
 164         struct mutex fifo_mutex;
 165         struct rw_semaphore rwsem;
 166         struct vmw_marker_queue marker_queue;
 167 };
 168
 169 struct vmw_relocation {
 170         SVGAMobId *mob_loc;
 171         SVGAGuestPtr *location;
 172         uint32_t index;
 173 };
 174
 175 /**
 176  * struct vmw_res_cache_entry - resource information cache entry
 177  *
 178  * @valid: Whether the entry is valid, which also implies that the execbuf
 179  * code holds a reference to the resource, and it's placed on the
 180  * validation list.
 181  * @handle: User-space handle of a resource.
 182  * @res: Non-ref-counted pointer to the resource.
 183  *
 184  * Used to avoid frequent repeated user-space handle lookups of the
 185  * same resource.
 186  */
 187 struct vmw_res_cache_entry {
 188         bool valid;
 189         uint32_t handle;
 190         struct vmw_resource *res;
 191         struct vmw_resource_val_node *node;
 192 };
 193
 194 /**
 195  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
 196  */
 197 enum vmw_dma_map_mode {
 198         vmw_dma_phys,           /* Use physical page addresses */
 199         vmw_dma_alloc_coherent, /* Use TTM coherent pages */
 200         vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
 201         vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
 202         vmw_dma_map_max
 203 };
 204
 205 /**
 206  * struct vmw_sg_table - Scatter/gather table for binding, with additional
 207  * device-specific information.
 208  *
 209  * @sgt: Pointer to a struct sg_table with binding information
 210  * @num_regions: Number of regions with device-address contigous pages
 211  */
 212 struct vmw_sg_table {
 213         enum vmw_dma_map_mode mode;
 214         struct page **pages;
 215         const dma_addr_t *addrs;
 216         struct sg_table *sgt;
 217         unsigned long num_regions;
 218         unsigned long num_pages;
 219 };
 220
 221 /**
 222  * struct vmw_piter - Page iterator that iterates over a list of pages
 223  * and DMA addresses that could be either a scatter-gather list or
 224  * arrays
 225  *
 226  * @pages: Array of page pointers to the pages.
 227  * @addrs: DMA addresses to the pages if coherent pages are used.
 228  * @iter: Scatter-gather page iterator. Current position in SG list.
 229  * @i: Current position in arrays.
 230  * @num_pages: Number of pages total.
 231  * @next: Function to advance the iterator. Returns false if past the list
 232  * of pages, true otherwise.
 233  * @dma_address: Function to return the DMA address of the current page.
 234  */
 235 struct vmw_piter {
 236         struct page **pages;
 237         const dma_addr_t *addrs;
 238         struct sg_page_iter iter;
 239         unsigned long i;
 240         unsigned long num_pages;
 241         bool (*next)(struct vmw_piter *);
 242         dma_addr_t (*dma_address)(struct vmw_piter *);
 243         struct page *(*page)(struct vmw_piter *);
 244 };
 245
 246 struct vmw_sw_context{
 247         struct drm_open_hash res_ht;
 248         bool res_ht_initialized;
 249         bool kernel; /**< is the called made from the kernel */
 250         struct ttm_object_file *tfile;
 251         struct list_head validate_nodes;
 252         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 253         uint32_t cur_reloc;
 254         struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
 255         uint32_t cur_val_buf;
 256         uint32_t *cmd_bounce;
 257         uint32_t cmd_bounce_size;
 258         struct list_head resource_list;
 259         uint32_t fence_flags;
 260         struct ttm_buffer_object *cur_query_bo;
 261         struct list_head res_relocations;
 262         uint32_t *buf_start;
 263         struct vmw_res_cache_entry res_cache[vmw_res_max];
 264         struct vmw_resource *last_query_ctx;
 265         bool needs_post_query_barrier;
 266         struct vmw_resource *error_resource;
 267 };
 268
 269 struct vmw_legacy_display;
 270 struct vmw_overlay;
 271
 272 struct vmw_master {
 273         struct ttm_lock lock;
 274         struct mutex fb_surf_mutex;
 275         struct list_head fb_surf;
 276 };
 277
 278 struct vmw_vga_topology_state {
 279         uint32_t width;
 280         uint32_t height;
 281         uint32_t primary;
 282         uint32_t pos_x;
 283         uint32_t pos_y;
 284 };
 285
 286 struct vmw_private {
 287         struct ttm_bo_device bdev;
 288         struct ttm_bo_global_ref bo_global_ref;
 289         struct drm_global_reference mem_global_ref;
 290
 291         struct vmw_fifo_state fifo;
 292
 293         struct drm_device *dev;
 294         unsigned long vmw_chipset;
 295         unsigned int io_start;
 296         uint32_t vram_start;
 297         uint32_t vram_size;
 298         uint32_t prim_bb_mem;
 299         uint32_t mmio_start;
 300         uint32_t mmio_size;
 301         uint32_t fb_max_width;
 302         uint32_t fb_max_height;
 303         uint32_t initial_width;
 304         uint32_t initial_height;
 305         __le32 __iomem *mmio_virt;
 306         int mmio_mtrr;
 307         uint32_t capabilities;
 308         uint32_t max_gmr_ids;
 309         uint32_t max_gmr_pages;
 310         uint32_t max_mob_pages;
 311         uint32_t memory_size;
 312         bool has_gmr;
 313         bool has_mob;
 314         struct mutex hw_mutex;
 315
 316         /*
 317          * VGA registers.
 318          */
 319
 320         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 321         uint32_t vga_width;
 322         uint32_t vga_height;
 323         uint32_t vga_bpp;
 324         uint32_t vga_bpl;
 325         uint32_t vga_pitchlock;
 326
 327         uint32_t num_displays;
 328
 329         /*
 330          * Framebuffer info.
 331          */
 332
 333         void *fb_info;
 334         struct vmw_legacy_display *ldu_priv;
 335         struct vmw_screen_object_display *sou_priv;
 336         struct vmw_overlay *overlay_priv;
 337
 338         /*
 339          * Context and surface management.
 340          */
 341
 342         rwlock_t resource_lock;
 343         struct idr res_idr[vmw_res_max];
 344         /*
 345          * Block lastclose from racing with firstopen.
 346          */
 347
 348         struct mutex init_mutex;
 349
 350         /*
 351          * A resource manager for kernel-only surfaces and
 352          * contexts.
 353          */
 354
 355         struct ttm_object_device *tdev;
 356
 357         /*
 358          * Fencing and IRQs.
 359          */
 360
 361         atomic_t marker_seq;
 362         wait_queue_head_t fence_queue;
 363         wait_queue_head_t fifo_queue;
 364         int fence_queue_waiters; /* Protected by hw_mutex */
 365         int goal_queue_waiters; /* Protected by hw_mutex */
 366         atomic_t fifo_queue_waiters;
 367         uint32_t last_read_seqno;
 368         spinlock_t irq_lock;
 369         struct vmw_fence_manager *fman;
 370         uint32_t irq_mask;
 371
 372         /*
 373          * Device state
 374          */
 375
 376         uint32_t traces_state;
 377         uint32_t enable_state;
 378         uint32_t config_done_state;
 379
 380         /**
 381          * Execbuf
 382          */
 383         /**
 384          * Protected by the cmdbuf mutex.
 385          */
 386
 387         struct vmw_sw_context ctx;
 388         struct mutex cmdbuf_mutex;
 389
 390         /**
 391          * Operating mode.
 392          */
 393
 394         bool stealth;
 395         bool enable_fb;
 396
 397         /**
 398          * Master management.
 399          */
 400
 401         struct vmw_master *active_master;
 402         struct vmw_master fbdev_master;
 403         struct notifier_block pm_nb;
 404         bool suspended;
 405
 406         struct mutex release_mutex;
 407         uint32_t num_3d_resources;
 408
 409         /*
 410          * Query processing. These members
 411          * are protected by the cmdbuf mutex.
 412          */
 413
 414         struct ttm_buffer_object *dummy_query_bo;
 415         struct ttm_buffer_object *pinned_bo;
 416         uint32_t query_cid;
 417         uint32_t query_cid_valid;
 418         bool dummy_query_bo_pinned;
 419
 420         /*
 421          * Surface swapping. The "surface_lru" list is protected by the
 422          * resource lock in order to be able to destroy a surface and take
 423          * it off the lru atomically. "used_memory_size" is currently
 424          * protected by the cmdbuf mutex for simplicity.
 425          */
 426
 427         struct list_head res_lru[vmw_res_max];
 428         uint32_t used_memory_size;
 429
 430         /*
 431          * DMA mapping stuff.
 432          */
 433         enum vmw_dma_map_mode map_mode;
 434
 435         /*
 436          * Guest Backed stuff
 437          */
 438         struct ttm_buffer_object *otable_bo;
 439         struct vmw_otable *otables;
 440 };
 441
 442 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
 443 {
 444         return container_of(res, struct vmw_surface, res);
 445 }
 446
 447 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 448 {
 449         return (struct vmw_private *)dev->dev_private;
 450 }
 451
 452 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 453 {
 454         return (struct vmw_fpriv *)file_priv->driver_priv;
 455 }
 456
 457 static inline struct vmw_master *vmw_master(struct drm_master *master)
 458 {
 459         return (struct vmw_master *) master->driver_priv;
 460 }
 461
 462 static inline void vmw_write(struct vmw_private *dev_priv,
 463                              unsigned int offset, uint32_t value)
 464 {
 465         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 466         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 467 }
 468
 469 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 470                                 unsigned int offset)
 471 {
 472         uint32_t val;
 473
 474         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 475         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 476         return val;
 477 }
 478
 479 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
 480 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
 481
 482 /**
 483  * GMR utilities - vmwgfx_gmr.c
 484  */
 485
 486 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 487                         const struct vmw_sg_table *vsgt,
 488                         unsigned long num_pages,
 489                         int gmr_id);
 490 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 491
 492 /**
 493  * Resource utilities - vmwgfx_resource.c
 494  */
 495 struct vmw_user_resource_conv;
 496 extern const struct vmw_user_resource_conv *user_surface_converter;
 497 extern const struct vmw_user_resource_conv *user_context_converter;
 498
 499 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 500 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 501 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 502 extern int vmw_resource_validate(struct vmw_resource *res);
 503 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
 504 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
 505 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 506                                      struct drm_file *file_priv);
 507 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 508                                     struct drm_file *file_priv);
 509 extern int vmw_context_check(struct vmw_private *dev_priv,
 510                              struct ttm_object_file *tfile,
 511                              int id,
 512                              struct vmw_resource **p_res);
 513 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
 514                                   struct ttm_object_file *tfile,
 515                                   uint32_t handle,
 516                                   struct vmw_surface **out_surf,
 517                                   struct vmw_dma_buffer **out_buf);
 518 extern int vmw_user_resource_lookup_handle(
 519         struct vmw_private *dev_priv,
 520         struct ttm_object_file *tfile,
 521         uint32_t handle,
 522         const struct vmw_user_resource_conv *converter,
 523         struct vmw_resource **p_res);
 524 extern void vmw_surface_res_free(struct vmw_resource *res);
 525 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 526                                      struct drm_file *file_priv);
 527 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 528                                     struct drm_file *file_priv);
 529 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 530                                        struct drm_file *file_priv);
 531 extern int vmw_surface_check(struct vmw_private *dev_priv,
 532                              struct ttm_object_file *tfile,
 533                              uint32_t handle, int *id);
 534 extern int vmw_surface_validate(struct vmw_private *dev_priv,
 535                                 struct vmw_surface *srf);
 536 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 537 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 538                            struct vmw_dma_buffer *vmw_bo,
 539                            size_t size, struct ttm_placement *placement,
 540                            bool interuptable,
 541                            void (*bo_free) (struct ttm_buffer_object *bo));
 542 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
 543                                   struct ttm_object_file *tfile);
 544 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 545                                   struct drm_file *file_priv);
 546 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 547                                   struct drm_file *file_priv);
 548 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 549                                          uint32_t cur_validate_node);
 550 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 551 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 552                                   uint32_t id, struct vmw_dma_buffer **out);
 553 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 554                                   struct drm_file *file_priv);
 555 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 556                                   struct drm_file *file_priv);
 557 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 558                                   struct ttm_object_file *tfile,
 559                                   uint32_t *inout_id,
 560                                   struct vmw_resource **out);
 561 extern void vmw_resource_unreserve(struct vmw_resource *res,
 562                                    struct vmw_dma_buffer *new_backup,
 563                                    unsigned long new_backup_offset);
 564 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 565                                      struct ttm_mem_reg *mem);
 566 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 567                                 struct vmw_fence_obj *fence);
 568 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
 569
 570 /**
 571  * DMA buffer helper routines - vmwgfx_dmabuf.c
 572  */
 573 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
 574                                    struct vmw_dma_buffer *bo,
 575                                    struct ttm_placement *placement,
 576                                    bool interruptible);
 577 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
 578                               struct vmw_dma_buffer *buf,
 579                               bool pin, bool interruptible);
 580 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
 581                                      struct vmw_dma_buffer *buf,
 582                                      bool pin, bool interruptible);
 583 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 584                                        struct vmw_dma_buffer *bo,
 585                                        bool pin, bool interruptible);
 586 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
 587                             struct vmw_dma_buffer *bo,
 588                             bool interruptible);
 589 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
 590                                  SVGAGuestPtr *ptr);
 591 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
 592
 593 /**
 594  * Misc Ioctl functionality - vmwgfx_ioctl.c
 595  */
 596
 597 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 598                               struct drm_file *file_priv);
 599 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 600                                 struct drm_file *file_priv);
 601 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 602                              struct drm_file *file_priv);
 603 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 604                                       struct drm_file *file_priv);
 605 extern unsigned int vmw_fops_poll(struct file *filp,
 606                                   struct poll_table_struct *wait);
 607 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
 608                              size_t count, loff_t *offset);
 609
 610 /**
 611  * Fifo utilities - vmwgfx_fifo.c
 612  */
 613
 614 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 615                          struct vmw_fifo_state *fifo);
 616 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 617                              struct vmw_fifo_state *fifo);
 618 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 619 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 620 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 621                                uint32_t *seqno);
 622 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 623 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 624 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 625 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
 626                                      uint32_t cid);
 627
 628 /**
 629  * TTM glue - vmwgfx_ttm_glue.c
 630  */
 631
 632 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 633 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 634 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 635
 636 /**
 637  * TTM buffer object driver - vmwgfx_buffer.c
 638  */
 639
 640 extern const size_t vmw_tt_size;
 641 extern struct ttm_placement vmw_vram_placement;
 642 extern struct ttm_placement vmw_vram_ne_placement;
 643 extern struct ttm_placement vmw_vram_sys_placement;
 644 extern struct ttm_placement vmw_vram_gmr_placement;
 645 extern struct ttm_placement vmw_vram_gmr_ne_placement;
 646 extern struct ttm_placement vmw_sys_placement;
 647 extern struct ttm_placement vmw_sys_ne_placement;
 648 extern struct ttm_placement vmw_evictable_placement;
 649 extern struct ttm_placement vmw_srf_placement;
 650 extern struct ttm_placement vmw_mob_placement;
 651 extern struct ttm_bo_driver vmw_bo_driver;
 652 extern int vmw_dma_quiescent(struct drm_device *dev);
 653 extern void vmw_piter_start(struct vmw_piter *viter,
 654                             const struct vmw_sg_table *vsgt,
 655                             unsigned long p_offs);
 656
 657 /**
 658  * vmw_piter_next - Advance the iterator one page.
 659  *
 660  * @viter: Pointer to the iterator to advance.
 661  *
 662  * Returns false if past the list of pages, true otherwise.
 663  */
 664 static inline bool vmw_piter_next(struct vmw_piter *viter)
 665 {
 666         return viter->next(viter);
 667 }
 668
 669 /**
 670  * vmw_piter_dma_addr - Return the DMA address of the current page.
 671  *
 672  * @viter: Pointer to the iterator
 673  *
 674  * Returns the DMA address of the page pointed to by @viter.
 675  */
 676 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
 677 {
 678         return viter->dma_address(viter);
 679 }
 680
 681 /**
 682  * vmw_piter_page - Return a pointer to the current page.
 683  *
 684  * @viter: Pointer to the iterator
 685  *
 686  * Returns the DMA address of the page pointed to by @viter.
 687  */
 688 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
 689 {
 690         return viter->page(viter);
 691 }
 692
 693 /**
 694  * Command submission - vmwgfx_execbuf.c
 695  */
 696
 697 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 698                              struct drm_file *file_priv);
 699 extern int vmw_execbuf_process(struct drm_file *file_priv,
 700                                struct vmw_private *dev_priv,
 701                                void __user *user_commands,
 702                                void *kernel_commands,
 703                                uint32_t command_size,
 704                                uint64_t throttle_us,
 705                                struct drm_vmw_fence_rep __user
 706                                *user_fence_rep,
 707                                struct vmw_fence_obj **out_fence);
 708 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
 709                                             struct vmw_fence_obj *fence);
 710 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
 711
 712 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
 713                                       struct vmw_private *dev_priv,
 714                                       struct vmw_fence_obj **p_fence,
 715                                       uint32_t *p_handle);
 716 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
 717                                         struct vmw_fpriv *vmw_fp,
 718                                         int ret,
 719                                         struct drm_vmw_fence_rep __user
 720                                         *user_fence_rep,
 721                                         struct vmw_fence_obj *fence,
 722                                         uint32_t fence_handle);
 723
 724 /**
 725  * IRQs and wating - vmwgfx_irq.c
 726  */
 727
 728 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
 729 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
 730                              uint32_t seqno, bool interruptible,
 731                              unsigned long timeout);
 732 extern void vmw_irq_preinstall(struct drm_device *dev);
 733 extern int vmw_irq_postinstall(struct drm_device *dev);
 734 extern void vmw_irq_uninstall(struct drm_device *dev);
 735 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
 736                                 uint32_t seqno);
 737 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 738                              bool lazy,
 739                              bool fifo_idle,
 740                              uint32_t seqno,
 741                              bool interruptible,
 742                              unsigned long timeout);
 743 extern void vmw_update_seqno(struct vmw_private *dev_priv,
 744                                 struct vmw_fifo_state *fifo_state);
 745 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
 746 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
 747 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
 748 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
 749
 750 /**
 751  * Rudimentary fence-like objects currently used only for throttling -
 752  * vmwgfx_marker.c
 753  */
 754
 755 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
 756 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
 757 extern int vmw_marker_push(struct vmw_marker_queue *queue,
 758                           uint32_t seqno);
 759 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
 760                           uint32_t signaled_seqno);
 761 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 762                         struct vmw_marker_queue *queue, uint32_t us);
 763
 764 /**
 765  * Kernel framebuffer - vmwgfx_fb.c
 766  */
 767
 768 int vmw_fb_init(struct vmw_private *vmw_priv);
 769 int vmw_fb_close(struct vmw_private *dev_priv);
 770 int vmw_fb_off(struct vmw_private *vmw_priv);
 771 int vmw_fb_on(struct vmw_private *vmw_priv);
 772
 773 /**
 774  * Kernel modesetting - vmwgfx_kms.c
 775  */
 776
 777 int vmw_kms_init(struct vmw_private *dev_priv);
 778 int vmw_kms_close(struct vmw_private *dev_priv);
 779 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 780 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 781 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 782                                 struct drm_file *file_priv);
 783 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 784 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 785                           struct ttm_object_file *tfile,
 786                           struct ttm_buffer_object *bo,
 787                           SVGA3dCmdHeader *header);
 788 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 789                        unsigned width, unsigned height, unsigned pitch,
 790                        unsigned bpp, unsigned depth);
 791 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 792 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 793                                 uint32_t pitch,
 794                                 uint32_t height);
 795 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 796 int vmw_enable_vblank(struct drm_device *dev, int crtc);
 797 void vmw_disable_vblank(struct drm_device *dev, int crtc);
 798 int vmw_kms_present(struct vmw_private *dev_priv,
 799                     struct drm_file *file_priv,
 800                     struct vmw_framebuffer *vfb,
 801                     struct vmw_surface *surface,
 802                     uint32_t sid, int32_t destX, int32_t destY,
 803                     struct drm_vmw_rect *clips,
 804                     uint32_t num_clips);
 805 int vmw_kms_readback(struct vmw_private *dev_priv,
 806                      struct drm_file *file_priv,
 807                      struct vmw_framebuffer *vfb,
 808                      struct drm_vmw_fence_rep __user *user_fence_rep,
 809                      struct drm_vmw_rect *clips,
 810                      uint32_t num_clips);
 811 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 812                                 struct drm_file *file_priv);
 813
 814 int vmw_dumb_create(struct drm_file *file_priv,
 815                     struct drm_device *dev,
 816                     struct drm_mode_create_dumb *args);
 817
 818 int vmw_dumb_map_offset(struct drm_file *file_priv,
 819                         struct drm_device *dev, uint32_t handle,
 820                         uint64_t *offset);
 821 int vmw_dumb_destroy(struct drm_file *file_priv,
 822                      struct drm_device *dev,
 823                      uint32_t handle);
 824 /**
 825  * Overlay control - vmwgfx_overlay.c
 826  */
 827
 828 int vmw_overlay_init(struct vmw_private *dev_priv);
 829 int vmw_overlay_close(struct vmw_private *dev_priv);
 830 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 831                       struct drm_file *file_priv);
 832 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 833 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 834 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 835 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 836 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 837 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 838 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 839
 840 /**
 841  * GMR Id manager
 842  */
 843
 844 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 845
 846 /**
 847  * Prime - vmwgfx_prime.c
 848  */
 849
 850 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
 851 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
 852                                   struct drm_file *file_priv,
 853                                   int fd, u32 *handle);
 854 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
 855                                   struct drm_file *file_priv,
 856                                   uint32_t handle, uint32_t flags,
 857                                   int *prime_fd);
 858
 859 /*
 860  * MemoryOBject management -  vmwgfx_mob.c
 861  */
 862 struct vmw_mob;
 863 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
 864                         struct page **data_pages, unsigned long num_data_pages,
 865                         int32_t mob_id);
 866 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
 867                            struct vmw_mob *mob);
 868 extern void vmw_mob_destroy(struct vmw_mob *mob);
 869 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
 870 extern int vmw_otables_setup(struct vmw_private *dev_priv);
 871 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
 872
 873 /**
 874  * Inline helper functions
 875  */
 876
 877 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 878 {
 879         struct vmw_surface *tmp_srf = *srf;
 880         struct vmw_resource *res = &tmp_srf->res;
 881         *srf = NULL;
 882
 883         vmw_resource_unreference(&res);
 884 }
 885
 886 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 887 {
 888         (void) vmw_resource_reference(&srf->res);
 889         return srf;
 890 }
 891
 892 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 893 {
 894         struct vmw_dma_buffer *tmp_buf = *buf;
 895
 896         *buf = NULL;
 897         if (tmp_buf != NULL) {
 898                 struct ttm_buffer_object *bo = &tmp_buf->base;
 899
 900                 ttm_bo_unref(&bo);
 901         }
 902 }
 903
 904 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 905 {
 906         if (ttm_bo_reference(&buf->base))
 907                 return buf;
 908         return NULL;
 909 }
 910
 911 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
 912 {
 913         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
 914 }
 915 #endif