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 #define VMW_RES_SHADER ttm_driver_type4
  74
  75 struct vmw_fpriv {
  76         struct drm_master *locked_master;
  77         struct ttm_object_file *tfile;
  78         struct list_head fence_events;
  79 };
  80
  81 struct vmw_dma_buffer {
  82         struct ttm_buffer_object base;
  83         struct list_head res_list;
  84 };
  85
  86 /**
  87  * struct vmw_validate_buffer - Carries validation info about buffers.
  88  *
  89  * @base: Validation info for TTM.
  90  * @hash: Hash entry for quick lookup of the TTM buffer object.
  91  *
  92  * This structure contains also driver private validation info
  93  * on top of the info needed by TTM.
  94  */
  95 struct vmw_validate_buffer {
  96         struct ttm_validate_buffer base;
  97         struct drm_hash_item hash;
  98         bool validate_as_mob;
  99 };
 100
 101 struct vmw_res_func;
 102 struct vmw_resource {
 103         struct kref kref;
 104         struct vmw_private *dev_priv;
 105         int id;
 106         bool avail;
 107         unsigned long backup_size;
 108         bool res_dirty; /* Protected by backup buffer reserved */
 109         bool backup_dirty; /* Protected by backup buffer reserved */
 110         struct vmw_dma_buffer *backup;
 111         unsigned long backup_offset;
 112         const struct vmw_res_func *func;
 113         struct list_head lru_head; /* Protected by the resource lock */
 114         struct list_head mob_head; /* Protected by @backup reserved */
 115         void (*res_free) (struct vmw_resource *res);
 116         void (*hw_destroy) (struct vmw_resource *res);
 117 };
 118
 119 enum vmw_res_type {
 120         vmw_res_context,
 121         vmw_res_surface,
 122         vmw_res_stream,
 123         vmw_res_shader,
 124         vmw_res_max
 125 };
 126
 127 struct vmw_cursor_snooper {
 128         struct drm_crtc *crtc;
 129         size_t age;
 130         uint32_t *image;
 131 };
 132
 133 struct vmw_framebuffer;
 134 struct vmw_surface_offset;
 135
 136 struct vmw_surface {
 137         struct vmw_resource res;
 138         uint32_t flags;
 139         uint32_t format;
 140         uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 141         struct drm_vmw_size base_size;
 142         struct drm_vmw_size *sizes;
 143         uint32_t num_sizes;
 144         bool scanout;
 145         /* TODO so far just a extra pointer */
 146         struct vmw_cursor_snooper snooper;
 147         struct vmw_surface_offset *offsets;
 148         SVGA3dTextureFilter autogen_filter;
 149         uint32_t multisample_count;
 150 };
 151
 152 struct vmw_marker_queue {
 153         struct list_head head;
 154         struct timespec lag;
 155         struct timespec lag_time;
 156         spinlock_t lock;
 157 };
 158
 159 struct vmw_fifo_state {
 160         unsigned long reserved_size;
 161         __le32 *dynamic_buffer;
 162         __le32 *static_buffer;
 163         unsigned long static_buffer_size;
 164         bool using_bounce_buffer;
 165         uint32_t capabilities;
 166         struct mutex fifo_mutex;
 167         struct rw_semaphore rwsem;
 168         struct vmw_marker_queue marker_queue;
 169 };
 170
 171 struct vmw_relocation {
 172         SVGAMobId *mob_loc;
 173         SVGAGuestPtr *location;
 174         uint32_t index;
 175 };
 176
 177 /**
 178  * struct vmw_res_cache_entry - resource information cache entry
 179  *
 180  * @valid: Whether the entry is valid, which also implies that the execbuf
 181  * code holds a reference to the resource, and it's placed on the
 182  * validation list.
 183  * @handle: User-space handle of a resource.
 184  * @res: Non-ref-counted pointer to the resource.
 185  *
 186  * Used to avoid frequent repeated user-space handle lookups of the
 187  * same resource.
 188  */
 189 struct vmw_res_cache_entry {
 190         bool valid;
 191         uint32_t handle;
 192         struct vmw_resource *res;
 193         struct vmw_resource_val_node *node;
 194 };
 195
 196 /**
 197  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
 198  */
 199 enum vmw_dma_map_mode {
 200         vmw_dma_phys,           /* Use physical page addresses */
 201         vmw_dma_alloc_coherent, /* Use TTM coherent pages */
 202         vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
 203         vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
 204         vmw_dma_map_max
 205 };
 206
 207 /**
 208  * struct vmw_sg_table - Scatter/gather table for binding, with additional
 209  * device-specific information.
 210  *
 211  * @sgt: Pointer to a struct sg_table with binding information
 212  * @num_regions: Number of regions with device-address contigous pages
 213  */
 214 struct vmw_sg_table {
 215         enum vmw_dma_map_mode mode;
 216         struct page **pages;
 217         const dma_addr_t *addrs;
 218         struct sg_table *sgt;
 219         unsigned long num_regions;
 220         unsigned long num_pages;
 221 };
 222
 223 /**
 224  * struct vmw_piter - Page iterator that iterates over a list of pages
 225  * and DMA addresses that could be either a scatter-gather list or
 226  * arrays
 227  *
 228  * @pages: Array of page pointers to the pages.
 229  * @addrs: DMA addresses to the pages if coherent pages are used.
 230  * @iter: Scatter-gather page iterator. Current position in SG list.
 231  * @i: Current position in arrays.
 232  * @num_pages: Number of pages total.
 233  * @next: Function to advance the iterator. Returns false if past the list
 234  * of pages, true otherwise.
 235  * @dma_address: Function to return the DMA address of the current page.
 236  */
 237 struct vmw_piter {
 238         struct page **pages;
 239         const dma_addr_t *addrs;
 240         struct sg_page_iter iter;
 241         unsigned long i;
 242         unsigned long num_pages;
 243         bool (*next)(struct vmw_piter *);
 244         dma_addr_t (*dma_address)(struct vmw_piter *);
 245         struct page *(*page)(struct vmw_piter *);
 246 };
 247
 248 struct vmw_sw_context{
 249         struct drm_open_hash res_ht;
 250         bool res_ht_initialized;
 251         bool kernel; /**< is the called made from the kernel */
 252         struct ttm_object_file *tfile;
 253         struct list_head validate_nodes;
 254         struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 255         uint32_t cur_reloc;
 256         struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
 257         uint32_t cur_val_buf;
 258         uint32_t *cmd_bounce;
 259         uint32_t cmd_bounce_size;
 260         struct list_head resource_list;
 261         uint32_t fence_flags;
 262         struct ttm_buffer_object *cur_query_bo;
 263         struct list_head res_relocations;
 264         uint32_t *buf_start;
 265         struct vmw_res_cache_entry res_cache[vmw_res_max];
 266         struct vmw_resource *last_query_ctx;
 267         bool needs_post_query_barrier;
 268         struct vmw_resource *error_resource;
 269 };
 270
 271 struct vmw_legacy_display;
 272 struct vmw_overlay;
 273
 274 struct vmw_master {
 275         struct ttm_lock lock;
 276         struct mutex fb_surf_mutex;
 277         struct list_head fb_surf;
 278 };
 279
 280 struct vmw_vga_topology_state {
 281         uint32_t width;
 282         uint32_t height;
 283         uint32_t primary;
 284         uint32_t pos_x;
 285         uint32_t pos_y;
 286 };
 287
 288 struct vmw_private {
 289         struct ttm_bo_device bdev;
 290         struct ttm_bo_global_ref bo_global_ref;
 291         struct drm_global_reference mem_global_ref;
 292
 293         struct vmw_fifo_state fifo;
 294
 295         struct drm_device *dev;
 296         unsigned long vmw_chipset;
 297         unsigned int io_start;
 298         uint32_t vram_start;
 299         uint32_t vram_size;
 300         uint32_t prim_bb_mem;
 301         uint32_t mmio_start;
 302         uint32_t mmio_size;
 303         uint32_t fb_max_width;
 304         uint32_t fb_max_height;
 305         uint32_t initial_width;
 306         uint32_t initial_height;
 307         __le32 __iomem *mmio_virt;
 308         int mmio_mtrr;
 309         uint32_t capabilities;
 310         uint32_t max_gmr_ids;
 311         uint32_t max_gmr_pages;
 312         uint32_t max_mob_pages;
 313         uint32_t memory_size;
 314         bool has_gmr;
 315         bool has_mob;
 316         struct mutex hw_mutex;
 317
 318         /*
 319          * VGA registers.
 320          */
 321
 322         struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 323         uint32_t vga_width;
 324         uint32_t vga_height;
 325         uint32_t vga_bpp;
 326         uint32_t vga_bpl;
 327         uint32_t vga_pitchlock;
 328
 329         uint32_t num_displays;
 330
 331         /*
 332          * Framebuffer info.
 333          */
 334
 335         void *fb_info;
 336         struct vmw_legacy_display *ldu_priv;
 337         struct vmw_screen_object_display *sou_priv;
 338         struct vmw_overlay *overlay_priv;
 339
 340         /*
 341          * Context and surface management.
 342          */
 343
 344         rwlock_t resource_lock;
 345         struct idr res_idr[vmw_res_max];
 346         /*
 347          * Block lastclose from racing with firstopen.
 348          */
 349
 350         struct mutex init_mutex;
 351
 352         /*
 353          * A resource manager for kernel-only surfaces and
 354          * contexts.
 355          */
 356
 357         struct ttm_object_device *tdev;
 358
 359         /*
 360          * Fencing and IRQs.
 361          */
 362
 363         atomic_t marker_seq;
 364         wait_queue_head_t fence_queue;
 365         wait_queue_head_t fifo_queue;
 366         int fence_queue_waiters; /* Protected by hw_mutex */
 367         int goal_queue_waiters; /* Protected by hw_mutex */
 368         atomic_t fifo_queue_waiters;
 369         uint32_t last_read_seqno;
 370         spinlock_t irq_lock;
 371         struct vmw_fence_manager *fman;
 372         uint32_t irq_mask;
 373
 374         /*
 375          * Device state
 376          */
 377
 378         uint32_t traces_state;
 379         uint32_t enable_state;
 380         uint32_t config_done_state;
 381
 382         /**
 383          * Execbuf
 384          */
 385         /**
 386          * Protected by the cmdbuf mutex.
 387          */
 388
 389         struct vmw_sw_context ctx;
 390         struct mutex cmdbuf_mutex;
 391
 392         /**
 393          * Operating mode.
 394          */
 395
 396         bool stealth;
 397         bool enable_fb;
 398
 399         /**
 400          * Master management.
 401          */
 402
 403         struct vmw_master *active_master;
 404         struct vmw_master fbdev_master;
 405         struct notifier_block pm_nb;
 406         bool suspended;
 407
 408         struct mutex release_mutex;
 409         uint32_t num_3d_resources;
 410
 411         /*
 412          * Query processing. These members
 413          * are protected by the cmdbuf mutex.
 414          */
 415
 416         struct ttm_buffer_object *dummy_query_bo;
 417         struct ttm_buffer_object *pinned_bo;
 418         uint32_t query_cid;
 419         uint32_t query_cid_valid;
 420         bool dummy_query_bo_pinned;
 421
 422         /*
 423          * Surface swapping. The "surface_lru" list is protected by the
 424          * resource lock in order to be able to destroy a surface and take
 425          * it off the lru atomically. "used_memory_size" is currently
 426          * protected by the cmdbuf mutex for simplicity.
 427          */
 428
 429         struct list_head res_lru[vmw_res_max];
 430         uint32_t used_memory_size;
 431
 432         /*
 433          * DMA mapping stuff.
 434          */
 435         enum vmw_dma_map_mode map_mode;
 436
 437         /*
 438          * Guest Backed stuff
 439          */
 440         struct ttm_buffer_object *otable_bo;
 441         struct vmw_otable *otables;
 442 };
 443
 444 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
 445 {
 446         return container_of(res, struct vmw_surface, res);
 447 }
 448
 449 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 450 {
 451         return (struct vmw_private *)dev->dev_private;
 452 }
 453
 454 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 455 {
 456         return (struct vmw_fpriv *)file_priv->driver_priv;
 457 }
 458
 459 static inline struct vmw_master *vmw_master(struct drm_master *master)
 460 {
 461         return (struct vmw_master *) master->driver_priv;
 462 }
 463
 464 static inline void vmw_write(struct vmw_private *dev_priv,
 465                              unsigned int offset, uint32_t value)
 466 {
 467         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 468         outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 469 }
 470
 471 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 472                                 unsigned int offset)
 473 {
 474         uint32_t val;
 475
 476         outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 477         val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 478         return val;
 479 }
 480
 481 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga);
 482 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga);
 483
 484 /**
 485  * GMR utilities - vmwgfx_gmr.c
 486  */
 487
 488 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 489                         const struct vmw_sg_table *vsgt,
 490                         unsigned long num_pages,
 491                         int gmr_id);
 492 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 493
 494 /**
 495  * Resource utilities - vmwgfx_resource.c
 496  */
 497 struct vmw_user_resource_conv;
 498 extern const struct vmw_user_resource_conv *user_surface_converter;
 499 extern const struct vmw_user_resource_conv *user_context_converter;
 500 extern const struct vmw_user_resource_conv *user_shader_converter;
 501
 502 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
 503 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 504 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 505 extern int vmw_resource_validate(struct vmw_resource *res);
 506 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup);
 507 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
 508 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
 509                                      struct drm_file *file_priv);
 510 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
 511                                     struct drm_file *file_priv);
 512 extern int vmw_context_check(struct vmw_private *dev_priv,
 513                              struct ttm_object_file *tfile,
 514                              int id,
 515                              struct vmw_resource **p_res);
 516 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
 517                                   struct ttm_object_file *tfile,
 518                                   uint32_t handle,
 519                                   struct vmw_surface **out_surf,
 520                                   struct vmw_dma_buffer **out_buf);
 521 extern int vmw_user_resource_lookup_handle(
 522         struct vmw_private *dev_priv,
 523         struct ttm_object_file *tfile,
 524         uint32_t handle,
 525         const struct vmw_user_resource_conv *converter,
 526         struct vmw_resource **p_res);
 527 extern void vmw_surface_res_free(struct vmw_resource *res);
 528 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
 529                                      struct drm_file *file_priv);
 530 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 531                                     struct drm_file *file_priv);
 532 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
 533                                        struct drm_file *file_priv);
 534 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
 535                                        struct drm_file *file_priv);
 536 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
 537                                           struct drm_file *file_priv);
 538 extern int vmw_surface_check(struct vmw_private *dev_priv,
 539                              struct ttm_object_file *tfile,
 540                              uint32_t handle, int *id);
 541 extern int vmw_surface_validate(struct vmw_private *dev_priv,
 542                                 struct vmw_surface *srf);
 543 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 544 extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 545                            struct vmw_dma_buffer *vmw_bo,
 546                            size_t size, struct ttm_placement *placement,
 547                            bool interuptable,
 548                            void (*bo_free) (struct ttm_buffer_object *bo));
 549 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
 550                                   struct ttm_object_file *tfile);
 551 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
 552                                  struct ttm_object_file *tfile,
 553                                  uint32_t size,
 554                                  bool shareable,
 555                                  uint32_t *handle,
 556                                  struct vmw_dma_buffer **p_dma_buf);
 557 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
 558                                      struct vmw_dma_buffer *dma_buf,
 559                                      uint32_t *handle);
 560 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 561                                   struct drm_file *file_priv);
 562 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 563                                   struct drm_file *file_priv);
 564 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 565                                          uint32_t cur_validate_node);
 566 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 567 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 568                                   uint32_t id, struct vmw_dma_buffer **out);
 569 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 570                                   struct drm_file *file_priv);
 571 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 572                                   struct drm_file *file_priv);
 573 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 574                                   struct ttm_object_file *tfile,
 575                                   uint32_t *inout_id,
 576                                   struct vmw_resource **out);
 577 extern void vmw_resource_unreserve(struct vmw_resource *res,
 578                                    struct vmw_dma_buffer *new_backup,
 579                                    unsigned long new_backup_offset);
 580 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 581                                      struct ttm_mem_reg *mem);
 582 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 583                                 struct vmw_fence_obj *fence);
 584 extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
 585
 586 /**
 587  * DMA buffer helper routines - vmwgfx_dmabuf.c
 588  */
 589 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv,
 590                                    struct vmw_dma_buffer *bo,
 591                                    struct ttm_placement *placement,
 592                                    bool interruptible);
 593 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv,
 594                               struct vmw_dma_buffer *buf,
 595                               bool pin, bool interruptible);
 596 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv,
 597                                      struct vmw_dma_buffer *buf,
 598                                      bool pin, bool interruptible);
 599 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 600                                        struct vmw_dma_buffer *bo,
 601                                        bool pin, bool interruptible);
 602 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
 603                             struct vmw_dma_buffer *bo,
 604                             bool interruptible);
 605 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
 606                                  SVGAGuestPtr *ptr);
 607 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin);
 608
 609 /**
 610  * Misc Ioctl functionality - vmwgfx_ioctl.c
 611  */
 612
 613 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 614                               struct drm_file *file_priv);
 615 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 616                                 struct drm_file *file_priv);
 617 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 618                              struct drm_file *file_priv);
 619 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 620                                       struct drm_file *file_priv);
 621 extern unsigned int vmw_fops_poll(struct file *filp,
 622                                   struct poll_table_struct *wait);
 623 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
 624                              size_t count, loff_t *offset);
 625
 626 /**
 627  * Fifo utilities - vmwgfx_fifo.c
 628  */
 629
 630 extern int vmw_fifo_init(struct vmw_private *dev_priv,
 631                          struct vmw_fifo_state *fifo);
 632 extern void vmw_fifo_release(struct vmw_private *dev_priv,
 633                              struct vmw_fifo_state *fifo);
 634 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 635 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 636 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 637                                uint32_t *seqno);
 638 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 639 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 640 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 641 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
 642                                      uint32_t cid);
 643
 644 /**
 645  * TTM glue - vmwgfx_ttm_glue.c
 646  */
 647
 648 extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 649 extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 650 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 651
 652 /**
 653  * TTM buffer object driver - vmwgfx_buffer.c
 654  */
 655
 656 extern const size_t vmw_tt_size;
 657 extern struct ttm_placement vmw_vram_placement;
 658 extern struct ttm_placement vmw_vram_ne_placement;
 659 extern struct ttm_placement vmw_vram_sys_placement;
 660 extern struct ttm_placement vmw_vram_gmr_placement;
 661 extern struct ttm_placement vmw_vram_gmr_ne_placement;
 662 extern struct ttm_placement vmw_sys_placement;
 663 extern struct ttm_placement vmw_sys_ne_placement;
 664 extern struct ttm_placement vmw_evictable_placement;
 665 extern struct ttm_placement vmw_srf_placement;
 666 extern struct ttm_placement vmw_mob_placement;
 667 extern struct ttm_bo_driver vmw_bo_driver;
 668 extern int vmw_dma_quiescent(struct drm_device *dev);
 669 extern void vmw_piter_start(struct vmw_piter *viter,
 670                             const struct vmw_sg_table *vsgt,
 671                             unsigned long p_offs);
 672
 673 /**
 674  * vmw_piter_next - Advance the iterator one page.
 675  *
 676  * @viter: Pointer to the iterator to advance.
 677  *
 678  * Returns false if past the list of pages, true otherwise.
 679  */
 680 static inline bool vmw_piter_next(struct vmw_piter *viter)
 681 {
 682         return viter->next(viter);
 683 }
 684
 685 /**
 686  * vmw_piter_dma_addr - Return the DMA address of the current page.
 687  *
 688  * @viter: Pointer to the iterator
 689  *
 690  * Returns the DMA address of the page pointed to by @viter.
 691  */
 692 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
 693 {
 694         return viter->dma_address(viter);
 695 }
 696
 697 /**
 698  * vmw_piter_page - Return a pointer to the current page.
 699  *
 700  * @viter: Pointer to the iterator
 701  *
 702  * Returns the DMA address of the page pointed to by @viter.
 703  */
 704 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
 705 {
 706         return viter->page(viter);
 707 }
 708
 709 /**
 710  * Command submission - vmwgfx_execbuf.c
 711  */
 712
 713 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 714                              struct drm_file *file_priv);
 715 extern int vmw_execbuf_process(struct drm_file *file_priv,
 716                                struct vmw_private *dev_priv,
 717                                void __user *user_commands,
 718                                void *kernel_commands,
 719                                uint32_t command_size,
 720                                uint64_t throttle_us,
 721                                struct drm_vmw_fence_rep __user
 722                                *user_fence_rep,
 723                                struct vmw_fence_obj **out_fence);
 724 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
 725                                             struct vmw_fence_obj *fence);
 726 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
 727
 728 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
 729                                       struct vmw_private *dev_priv,
 730                                       struct vmw_fence_obj **p_fence,
 731                                       uint32_t *p_handle);
 732 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
 733                                         struct vmw_fpriv *vmw_fp,
 734                                         int ret,
 735                                         struct drm_vmw_fence_rep __user
 736                                         *user_fence_rep,
 737                                         struct vmw_fence_obj *fence,
 738                                         uint32_t fence_handle);
 739
 740 /**
 741  * IRQs and wating - vmwgfx_irq.c
 742  */
 743
 744 extern irqreturn_t vmw_irq_handler(int irq, void *arg);
 745 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
 746                              uint32_t seqno, bool interruptible,
 747                              unsigned long timeout);
 748 extern void vmw_irq_preinstall(struct drm_device *dev);
 749 extern int vmw_irq_postinstall(struct drm_device *dev);
 750 extern void vmw_irq_uninstall(struct drm_device *dev);
 751 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
 752                                 uint32_t seqno);
 753 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 754                              bool lazy,
 755                              bool fifo_idle,
 756                              uint32_t seqno,
 757                              bool interruptible,
 758                              unsigned long timeout);
 759 extern void vmw_update_seqno(struct vmw_private *dev_priv,
 760                                 struct vmw_fifo_state *fifo_state);
 761 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
 762 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
 763 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
 764 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
 765
 766 /**
 767  * Rudimentary fence-like objects currently used only for throttling -
 768  * vmwgfx_marker.c
 769  */
 770
 771 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
 772 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
 773 extern int vmw_marker_push(struct vmw_marker_queue *queue,
 774                           uint32_t seqno);
 775 extern int vmw_marker_pull(struct vmw_marker_queue *queue,
 776                           uint32_t signaled_seqno);
 777 extern int vmw_wait_lag(struct vmw_private *dev_priv,
 778                         struct vmw_marker_queue *queue, uint32_t us);
 779
 780 /**
 781  * Kernel framebuffer - vmwgfx_fb.c
 782  */
 783
 784 int vmw_fb_init(struct vmw_private *vmw_priv);
 785 int vmw_fb_close(struct vmw_private *dev_priv);
 786 int vmw_fb_off(struct vmw_private *vmw_priv);
 787 int vmw_fb_on(struct vmw_private *vmw_priv);
 788
 789 /**
 790  * Kernel modesetting - vmwgfx_kms.c
 791  */
 792
 793 int vmw_kms_init(struct vmw_private *dev_priv);
 794 int vmw_kms_close(struct vmw_private *dev_priv);
 795 int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 796 int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 797 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 798                                 struct drm_file *file_priv);
 799 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 800 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 801                           struct ttm_object_file *tfile,
 802                           struct ttm_buffer_object *bo,
 803                           SVGA3dCmdHeader *header);
 804 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 805                        unsigned width, unsigned height, unsigned pitch,
 806                        unsigned bpp, unsigned depth);
 807 void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 808 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 809                                 uint32_t pitch,
 810                                 uint32_t height);
 811 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 812 int vmw_enable_vblank(struct drm_device *dev, int crtc);
 813 void vmw_disable_vblank(struct drm_device *dev, int crtc);
 814 int vmw_kms_present(struct vmw_private *dev_priv,
 815                     struct drm_file *file_priv,
 816                     struct vmw_framebuffer *vfb,
 817                     struct vmw_surface *surface,
 818                     uint32_t sid, int32_t destX, int32_t destY,
 819                     struct drm_vmw_rect *clips,
 820                     uint32_t num_clips);
 821 int vmw_kms_readback(struct vmw_private *dev_priv,
 822                      struct drm_file *file_priv,
 823                      struct vmw_framebuffer *vfb,
 824                      struct drm_vmw_fence_rep __user *user_fence_rep,
 825                      struct drm_vmw_rect *clips,
 826                      uint32_t num_clips);
 827 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 828                                 struct drm_file *file_priv);
 829
 830 int vmw_dumb_create(struct drm_file *file_priv,
 831                     struct drm_device *dev,
 832                     struct drm_mode_create_dumb *args);
 833
 834 int vmw_dumb_map_offset(struct drm_file *file_priv,
 835                         struct drm_device *dev, uint32_t handle,
 836                         uint64_t *offset);
 837 int vmw_dumb_destroy(struct drm_file *file_priv,
 838                      struct drm_device *dev,
 839                      uint32_t handle);
 840 /**
 841  * Overlay control - vmwgfx_overlay.c
 842  */
 843
 844 int vmw_overlay_init(struct vmw_private *dev_priv);
 845 int vmw_overlay_close(struct vmw_private *dev_priv);
 846 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 847                       struct drm_file *file_priv);
 848 int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 849 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 850 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 851 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 852 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 853 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 854 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 855
 856 /**
 857  * GMR Id manager
 858  */
 859
 860 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 861
 862 /**
 863  * Prime - vmwgfx_prime.c
 864  */
 865
 866 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
 867 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
 868                                   struct drm_file *file_priv,
 869                                   int fd, u32 *handle);
 870 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
 871                                   struct drm_file *file_priv,
 872                                   uint32_t handle, uint32_t flags,
 873                                   int *prime_fd);
 874
 875 /*
 876  * MemoryOBject management -  vmwgfx_mob.c
 877  */
 878 struct vmw_mob;
 879 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
 880                         struct page **data_pages, unsigned long num_data_pages,
 881                         int32_t mob_id);
 882 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
 883                            struct vmw_mob *mob);
 884 extern void vmw_mob_destroy(struct vmw_mob *mob);
 885 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
 886 extern int vmw_otables_setup(struct vmw_private *dev_priv);
 887 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
 888
 889 /*
 890  * Shader management - vmwgfx_shader.c
 891  */
 892
 893 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
 894                                    struct drm_file *file_priv);
 895 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
 896                                     struct drm_file *file_priv);
 897
 898 /**
 899  * Inline helper functions
 900  */
 901
 902 static inline void vmw_surface_unreference(struct vmw_surface **srf)
 903 {
 904         struct vmw_surface *tmp_srf = *srf;
 905         struct vmw_resource *res = &tmp_srf->res;
 906         *srf = NULL;
 907
 908         vmw_resource_unreference(&res);
 909 }
 910
 911 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
 912 {
 913         (void) vmw_resource_reference(&srf->res);
 914         return srf;
 915 }
 916
 917 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
 918 {
 919         struct vmw_dma_buffer *tmp_buf = *buf;
 920
 921         *buf = NULL;
 922         if (tmp_buf != NULL) {
 923                 struct ttm_buffer_object *bo = &tmp_buf->base;
 924
 925                 ttm_bo_unref(&bo);
 926         }
 927 }
 928
 929 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
 930 {
 931         if (ttm_bo_reference(&buf->base))
 932                 return buf;
 933         return NULL;
 934 }
 935
 936 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
 937 {
 938         return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
 939 }
 940 #endif