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