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