linux/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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   1/**************************************************************************
   2 *
   3 * Copyright © 2009-2015 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 "20160210"
  44#define VMWGFX_DRIVER_MAJOR 2
  45#define VMWGFX_DRIVER_MINOR 10
  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#define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1
  54
  55/*
  56 * Perhaps we should have sysfs entries for these.
  57 */
  58#define VMWGFX_NUM_GB_CONTEXT 256
  59#define VMWGFX_NUM_GB_SHADER 20000
  60#define VMWGFX_NUM_GB_SURFACE 32768
  61#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
  62#define VMWGFX_NUM_DXCONTEXT 256
  63#define VMWGFX_NUM_DXQUERY 512
  64#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
  65                        VMWGFX_NUM_GB_SHADER +\
  66                        VMWGFX_NUM_GB_SURFACE +\
  67                        VMWGFX_NUM_GB_SCREEN_TARGET)
  68
  69#define VMW_PL_GMR TTM_PL_PRIV0
  70#define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0
  71#define VMW_PL_MOB TTM_PL_PRIV1
  72#define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1
  73
  74#define VMW_RES_CONTEXT ttm_driver_type0
  75#define VMW_RES_SURFACE ttm_driver_type1
  76#define VMW_RES_STREAM ttm_driver_type2
  77#define VMW_RES_FENCE ttm_driver_type3
  78#define VMW_RES_SHADER ttm_driver_type4
  79
  80struct vmw_fpriv {
  81        struct drm_master *locked_master;
  82        struct ttm_object_file *tfile;
  83        bool gb_aware;
  84};
  85
  86struct vmw_dma_buffer {
  87        struct ttm_buffer_object base;
  88        struct list_head res_list;
  89        s32 pin_count;
  90        /* Not ref-counted.  Protected by binding_mutex */
  91        struct vmw_resource *dx_query_ctx;
  92};
  93
  94/**
  95 * struct vmw_validate_buffer - Carries validation info about buffers.
  96 *
  97 * @base: Validation info for TTM.
  98 * @hash: Hash entry for quick lookup of the TTM buffer object.
  99 *
 100 * This structure contains also driver private validation info
 101 * on top of the info needed by TTM.
 102 */
 103struct vmw_validate_buffer {
 104        struct ttm_validate_buffer base;
 105        struct drm_hash_item hash;
 106        bool validate_as_mob;
 107};
 108
 109struct vmw_res_func;
 110struct vmw_resource {
 111        struct kref kref;
 112        struct vmw_private *dev_priv;
 113        int id;
 114        bool avail;
 115        unsigned long backup_size;
 116        bool res_dirty; /* Protected by backup buffer reserved */
 117        bool backup_dirty; /* Protected by backup buffer reserved */
 118        struct vmw_dma_buffer *backup;
 119        unsigned long backup_offset;
 120        unsigned long pin_count; /* Protected by resource reserved */
 121        const struct vmw_res_func *func;
 122        struct list_head lru_head; /* Protected by the resource lock */
 123        struct list_head mob_head; /* Protected by @backup reserved */
 124        struct list_head binding_head; /* Protected by binding_mutex */
 125        void (*res_free) (struct vmw_resource *res);
 126        void (*hw_destroy) (struct vmw_resource *res);
 127};
 128
 129
 130/*
 131 * Resources that are managed using ioctls.
 132 */
 133enum vmw_res_type {
 134        vmw_res_context,
 135        vmw_res_surface,
 136        vmw_res_stream,
 137        vmw_res_shader,
 138        vmw_res_dx_context,
 139        vmw_res_cotable,
 140        vmw_res_view,
 141        vmw_res_max
 142};
 143
 144/*
 145 * Resources that are managed using command streams.
 146 */
 147enum vmw_cmdbuf_res_type {
 148        vmw_cmdbuf_res_shader,
 149        vmw_cmdbuf_res_view
 150};
 151
 152struct vmw_cmdbuf_res_manager;
 153
 154struct vmw_cursor_snooper {
 155        struct drm_crtc *crtc;
 156        size_t age;
 157        uint32_t *image;
 158};
 159
 160struct vmw_framebuffer;
 161struct vmw_surface_offset;
 162
 163struct vmw_surface {
 164        struct vmw_resource res;
 165        uint32_t flags;
 166        uint32_t format;
 167        uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 168        struct drm_vmw_size base_size;
 169        struct drm_vmw_size *sizes;
 170        uint32_t num_sizes;
 171        bool scanout;
 172        uint32_t array_size;
 173        /* TODO so far just a extra pointer */
 174        struct vmw_cursor_snooper snooper;
 175        struct vmw_surface_offset *offsets;
 176        SVGA3dTextureFilter autogen_filter;
 177        uint32_t multisample_count;
 178        struct list_head view_list;
 179};
 180
 181struct vmw_marker_queue {
 182        struct list_head head;
 183        u64 lag;
 184        u64 lag_time;
 185        spinlock_t lock;
 186};
 187
 188struct vmw_fifo_state {
 189        unsigned long reserved_size;
 190        u32 *dynamic_buffer;
 191        u32 *static_buffer;
 192        unsigned long static_buffer_size;
 193        bool using_bounce_buffer;
 194        uint32_t capabilities;
 195        struct mutex fifo_mutex;
 196        struct rw_semaphore rwsem;
 197        struct vmw_marker_queue marker_queue;
 198        bool dx;
 199};
 200
 201struct vmw_relocation {
 202        SVGAMobId *mob_loc;
 203        SVGAGuestPtr *location;
 204        uint32_t index;
 205};
 206
 207/**
 208 * struct vmw_res_cache_entry - resource information cache entry
 209 *
 210 * @valid: Whether the entry is valid, which also implies that the execbuf
 211 * code holds a reference to the resource, and it's placed on the
 212 * validation list.
 213 * @handle: User-space handle of a resource.
 214 * @res: Non-ref-counted pointer to the resource.
 215 *
 216 * Used to avoid frequent repeated user-space handle lookups of the
 217 * same resource.
 218 */
 219struct vmw_res_cache_entry {
 220        bool valid;
 221        uint32_t handle;
 222        struct vmw_resource *res;
 223        struct vmw_resource_val_node *node;
 224};
 225
 226/**
 227 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
 228 */
 229enum vmw_dma_map_mode {
 230        vmw_dma_phys,           /* Use physical page addresses */
 231        vmw_dma_alloc_coherent, /* Use TTM coherent pages */
 232        vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
 233        vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
 234        vmw_dma_map_max
 235};
 236
 237/**
 238 * struct vmw_sg_table - Scatter/gather table for binding, with additional
 239 * device-specific information.
 240 *
 241 * @sgt: Pointer to a struct sg_table with binding information
 242 * @num_regions: Number of regions with device-address contiguous pages
 243 */
 244struct vmw_sg_table {
 245        enum vmw_dma_map_mode mode;
 246        struct page **pages;
 247        const dma_addr_t *addrs;
 248        struct sg_table *sgt;
 249        unsigned long num_regions;
 250        unsigned long num_pages;
 251};
 252
 253/**
 254 * struct vmw_piter - Page iterator that iterates over a list of pages
 255 * and DMA addresses that could be either a scatter-gather list or
 256 * arrays
 257 *
 258 * @pages: Array of page pointers to the pages.
 259 * @addrs: DMA addresses to the pages if coherent pages are used.
 260 * @iter: Scatter-gather page iterator. Current position in SG list.
 261 * @i: Current position in arrays.
 262 * @num_pages: Number of pages total.
 263 * @next: Function to advance the iterator. Returns false if past the list
 264 * of pages, true otherwise.
 265 * @dma_address: Function to return the DMA address of the current page.
 266 */
 267struct vmw_piter {
 268        struct page **pages;
 269        const dma_addr_t *addrs;
 270        struct sg_page_iter iter;
 271        unsigned long i;
 272        unsigned long num_pages;
 273        bool (*next)(struct vmw_piter *);
 274        dma_addr_t (*dma_address)(struct vmw_piter *);
 275        struct page *(*page)(struct vmw_piter *);
 276};
 277
 278/*
 279 * enum vmw_display_unit_type - Describes the display unit
 280 */
 281enum vmw_display_unit_type {
 282        vmw_du_invalid = 0,
 283        vmw_du_legacy,
 284        vmw_du_screen_object,
 285        vmw_du_screen_target
 286};
 287
 288
 289struct vmw_sw_context{
 290        struct drm_open_hash res_ht;
 291        bool res_ht_initialized;
 292        bool kernel; /**< is the called made from the kernel */
 293        struct vmw_fpriv *fp;
 294        struct list_head validate_nodes;
 295        struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
 296        uint32_t cur_reloc;
 297        struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS];
 298        uint32_t cur_val_buf;
 299        uint32_t *cmd_bounce;
 300        uint32_t cmd_bounce_size;
 301        struct list_head resource_list;
 302        struct list_head ctx_resource_list; /* For contexts and cotables */
 303        struct vmw_dma_buffer *cur_query_bo;
 304        struct list_head res_relocations;
 305        uint32_t *buf_start;
 306        struct vmw_res_cache_entry res_cache[vmw_res_max];
 307        struct vmw_resource *last_query_ctx;
 308        bool needs_post_query_barrier;
 309        struct vmw_resource *error_resource;
 310        struct vmw_ctx_binding_state *staged_bindings;
 311        bool staged_bindings_inuse;
 312        struct list_head staged_cmd_res;
 313        struct vmw_resource_val_node *dx_ctx_node;
 314        struct vmw_dma_buffer *dx_query_mob;
 315        struct vmw_resource *dx_query_ctx;
 316        struct vmw_cmdbuf_res_manager *man;
 317};
 318
 319struct vmw_legacy_display;
 320struct vmw_overlay;
 321
 322struct vmw_master {
 323        struct ttm_lock lock;
 324};
 325
 326struct vmw_vga_topology_state {
 327        uint32_t width;
 328        uint32_t height;
 329        uint32_t primary;
 330        uint32_t pos_x;
 331        uint32_t pos_y;
 332};
 333
 334
 335/*
 336 * struct vmw_otable - Guest Memory OBject table metadata
 337 *
 338 * @size:           Size of the table (page-aligned).
 339 * @page_table:     Pointer to a struct vmw_mob holding the page table.
 340 */
 341struct vmw_otable {
 342        unsigned long size;
 343        struct vmw_mob *page_table;
 344        bool enabled;
 345};
 346
 347struct vmw_otable_batch {
 348        unsigned num_otables;
 349        struct vmw_otable *otables;
 350        struct vmw_resource *context;
 351        struct ttm_buffer_object *otable_bo;
 352};
 353
 354struct vmw_private {
 355        struct ttm_bo_device bdev;
 356        struct ttm_bo_global_ref bo_global_ref;
 357        struct drm_global_reference mem_global_ref;
 358
 359        struct vmw_fifo_state fifo;
 360
 361        struct drm_device *dev;
 362        unsigned long vmw_chipset;
 363        unsigned int io_start;
 364        uint32_t vram_start;
 365        uint32_t vram_size;
 366        uint32_t prim_bb_mem;
 367        uint32_t mmio_start;
 368        uint32_t mmio_size;
 369        uint32_t fb_max_width;
 370        uint32_t fb_max_height;
 371        uint32_t texture_max_width;
 372        uint32_t texture_max_height;
 373        uint32_t stdu_max_width;
 374        uint32_t stdu_max_height;
 375        uint32_t initial_width;
 376        uint32_t initial_height;
 377        u32 *mmio_virt;
 378        uint32_t capabilities;
 379        uint32_t max_gmr_ids;
 380        uint32_t max_gmr_pages;
 381        uint32_t max_mob_pages;
 382        uint32_t max_mob_size;
 383        uint32_t memory_size;
 384        bool has_gmr;
 385        bool has_mob;
 386        spinlock_t hw_lock;
 387        spinlock_t cap_lock;
 388        bool has_dx;
 389        bool assume_16bpp;
 390
 391        /*
 392         * VGA registers.
 393         */
 394
 395        struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS];
 396        uint32_t vga_width;
 397        uint32_t vga_height;
 398        uint32_t vga_bpp;
 399        uint32_t vga_bpl;
 400        uint32_t vga_pitchlock;
 401
 402        uint32_t num_displays;
 403
 404        /*
 405         * Framebuffer info.
 406         */
 407
 408        void *fb_info;
 409        enum vmw_display_unit_type active_display_unit;
 410        struct vmw_legacy_display *ldu_priv;
 411        struct vmw_overlay *overlay_priv;
 412        struct drm_property *hotplug_mode_update_property;
 413        struct drm_property *implicit_placement_property;
 414        unsigned num_implicit;
 415        struct vmw_framebuffer *implicit_fb;
 416        struct mutex global_kms_state_mutex;
 417
 418        /*
 419         * Context and surface management.
 420         */
 421
 422        rwlock_t resource_lock;
 423        struct idr res_idr[vmw_res_max];
 424        /*
 425         * Block lastclose from racing with firstopen.
 426         */
 427
 428        struct mutex init_mutex;
 429
 430        /*
 431         * A resource manager for kernel-only surfaces and
 432         * contexts.
 433         */
 434
 435        struct ttm_object_device *tdev;
 436
 437        /*
 438         * Fencing and IRQs.
 439         */
 440
 441        atomic_t marker_seq;
 442        wait_queue_head_t fence_queue;
 443        wait_queue_head_t fifo_queue;
 444        spinlock_t waiter_lock;
 445        int fence_queue_waiters; /* Protected by waiter_lock */
 446        int goal_queue_waiters; /* Protected by waiter_lock */
 447        int cmdbuf_waiters; /* Protected by waiter_lock */
 448        int error_waiters; /* Protected by waiter_lock */
 449        int fifo_queue_waiters; /* Protected by waiter_lock */
 450        uint32_t last_read_seqno;
 451        struct vmw_fence_manager *fman;
 452        uint32_t irq_mask; /* Updates protected by waiter_lock */
 453
 454        /*
 455         * Device state
 456         */
 457
 458        uint32_t traces_state;
 459        uint32_t enable_state;
 460        uint32_t config_done_state;
 461
 462        /**
 463         * Execbuf
 464         */
 465        /**
 466         * Protected by the cmdbuf mutex.
 467         */
 468
 469        struct vmw_sw_context ctx;
 470        struct mutex cmdbuf_mutex;
 471        struct mutex binding_mutex;
 472
 473        /**
 474         * Operating mode.
 475         */
 476
 477        bool stealth;
 478        bool enable_fb;
 479        spinlock_t svga_lock;
 480
 481        /**
 482         * Master management.
 483         */
 484
 485        struct vmw_master *active_master;
 486        struct vmw_master fbdev_master;
 487        struct notifier_block pm_nb;
 488        bool suspended;
 489        bool refuse_hibernation;
 490
 491        struct mutex release_mutex;
 492        atomic_t num_fifo_resources;
 493
 494        /*
 495         * Replace this with an rwsem as soon as we have down_xx_interruptible()
 496         */
 497        struct ttm_lock reservation_sem;
 498
 499        /*
 500         * Query processing. These members
 501         * are protected by the cmdbuf mutex.
 502         */
 503
 504        struct vmw_dma_buffer *dummy_query_bo;
 505        struct vmw_dma_buffer *pinned_bo;
 506        uint32_t query_cid;
 507        uint32_t query_cid_valid;
 508        bool dummy_query_bo_pinned;
 509
 510        /*
 511         * Surface swapping. The "surface_lru" list is protected by the
 512         * resource lock in order to be able to destroy a surface and take
 513         * it off the lru atomically. "used_memory_size" is currently
 514         * protected by the cmdbuf mutex for simplicity.
 515         */
 516
 517        struct list_head res_lru[vmw_res_max];
 518        uint32_t used_memory_size;
 519
 520        /*
 521         * DMA mapping stuff.
 522         */
 523        enum vmw_dma_map_mode map_mode;
 524
 525        /*
 526         * Guest Backed stuff
 527         */
 528        struct vmw_otable_batch otable_batch;
 529
 530        struct vmw_cmdbuf_man *cman;
 531};
 532
 533static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
 534{
 535        return container_of(res, struct vmw_surface, res);
 536}
 537
 538static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 539{
 540        return (struct vmw_private *)dev->dev_private;
 541}
 542
 543static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 544{
 545        return (struct vmw_fpriv *)file_priv->driver_priv;
 546}
 547
 548static inline struct vmw_master *vmw_master(struct drm_master *master)
 549{
 550        return (struct vmw_master *) master->driver_priv;
 551}
 552
 553/*
 554 * The locking here is fine-grained, so that it is performed once
 555 * for every read- and write operation. This is of course costly, but we
 556 * don't perform much register access in the timing critical paths anyway.
 557 * Instead we have the extra benefit of being sure that we don't forget
 558 * the hw lock around register accesses.
 559 */
 560static inline void vmw_write(struct vmw_private *dev_priv,
 561                             unsigned int offset, uint32_t value)
 562{
 563        unsigned long irq_flags;
 564
 565        spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
 566        outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 567        outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
 568        spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
 569}
 570
 571static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 572                                unsigned int offset)
 573{
 574        unsigned long irq_flags;
 575        u32 val;
 576
 577        spin_lock_irqsave(&dev_priv->hw_lock, irq_flags);
 578        outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
 579        val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
 580        spin_unlock_irqrestore(&dev_priv->hw_lock, irq_flags);
 581
 582        return val;
 583}
 584
 585extern void vmw_svga_enable(struct vmw_private *dev_priv);
 586extern void vmw_svga_disable(struct vmw_private *dev_priv);
 587
 588
 589/**
 590 * GMR utilities - vmwgfx_gmr.c
 591 */
 592
 593extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 594                        const struct vmw_sg_table *vsgt,
 595                        unsigned long num_pages,
 596                        int gmr_id);
 597extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 598
 599/**
 600 * Resource utilities - vmwgfx_resource.c
 601 */
 602struct vmw_user_resource_conv;
 603
 604extern void vmw_resource_unreference(struct vmw_resource **p_res);
 605extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 606extern struct vmw_resource *
 607vmw_resource_reference_unless_doomed(struct vmw_resource *res);
 608extern int vmw_resource_validate(struct vmw_resource *res);
 609extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
 610                                bool no_backup);
 611extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
 612extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
 613                                  struct ttm_object_file *tfile,
 614                                  uint32_t handle,
 615                                  struct vmw_surface **out_surf,
 616                                  struct vmw_dma_buffer **out_buf);
 617extern int vmw_user_resource_lookup_handle(
 618        struct vmw_private *dev_priv,
 619        struct ttm_object_file *tfile,
 620        uint32_t handle,
 621        const struct vmw_user_resource_conv *converter,
 622        struct vmw_resource **p_res);
 623extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
 624extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
 625                           struct vmw_dma_buffer *vmw_bo,
 626                           size_t size, struct ttm_placement *placement,
 627                           bool interuptable,
 628                           void (*bo_free) (struct ttm_buffer_object *bo));
 629extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo,
 630                                  struct ttm_object_file *tfile);
 631extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
 632                                 struct ttm_object_file *tfile,
 633                                 uint32_t size,
 634                                 bool shareable,
 635                                 uint32_t *handle,
 636                                 struct vmw_dma_buffer **p_dma_buf,
 637                                 struct ttm_base_object **p_base);
 638extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
 639                                     struct vmw_dma_buffer *dma_buf,
 640                                     uint32_t *handle);
 641extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
 642                                  struct drm_file *file_priv);
 643extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
 644                                  struct drm_file *file_priv);
 645extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
 646                                         struct drm_file *file_priv);
 647extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
 648                                         uint32_t cur_validate_node);
 649extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
 650extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
 651                                  uint32_t id, struct vmw_dma_buffer **out,
 652                                  struct ttm_base_object **base);
 653extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 654                                  struct drm_file *file_priv);
 655extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 656                                  struct drm_file *file_priv);
 657extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 658                                  struct ttm_object_file *tfile,
 659                                  uint32_t *inout_id,
 660                                  struct vmw_resource **out);
 661extern void vmw_resource_unreserve(struct vmw_resource *res,
 662                                   bool switch_backup,
 663                                   struct vmw_dma_buffer *new_backup,
 664                                   unsigned long new_backup_offset);
 665extern void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 666                                     struct ttm_mem_reg *mem);
 667extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
 668                                  struct ttm_mem_reg *mem);
 669extern int vmw_query_readback_all(struct vmw_dma_buffer *dx_query_mob);
 670extern void vmw_fence_single_bo(struct ttm_buffer_object *bo,
 671                                struct vmw_fence_obj *fence);
 672extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
 673
 674/**
 675 * DMA buffer helper routines - vmwgfx_dmabuf.c
 676 */
 677extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv,
 678                                       struct vmw_dma_buffer *bo,
 679                                       struct ttm_placement *placement,
 680                                       bool interruptible);
 681extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
 682                                  struct vmw_dma_buffer *buf,
 683                                  bool interruptible);
 684extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
 685                                         struct vmw_dma_buffer *buf,
 686                                         bool interruptible);
 687extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv,
 688                                           struct vmw_dma_buffer *bo,
 689                                           bool interruptible);
 690extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
 691                            struct vmw_dma_buffer *bo,
 692                            bool interruptible);
 693extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
 694                                 SVGAGuestPtr *ptr);
 695extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin);
 696
 697/**
 698 * Misc Ioctl functionality - vmwgfx_ioctl.c
 699 */
 700
 701extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 702                              struct drm_file *file_priv);
 703extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 704                                struct drm_file *file_priv);
 705extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 706                             struct drm_file *file_priv);
 707extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 708                                      struct drm_file *file_priv);
 709extern unsigned int vmw_fops_poll(struct file *filp,
 710                                  struct poll_table_struct *wait);
 711extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer,
 712                             size_t count, loff_t *offset);
 713
 714/**
 715 * Fifo utilities - vmwgfx_fifo.c
 716 */
 717
 718extern int vmw_fifo_init(struct vmw_private *dev_priv,
 719                         struct vmw_fifo_state *fifo);
 720extern void vmw_fifo_release(struct vmw_private *dev_priv,
 721                             struct vmw_fifo_state *fifo);
 722extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
 723extern void *
 724vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
 725extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
 726extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
 727extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
 728                               uint32_t *seqno);
 729extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason);
 730extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 731extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
 732extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 733extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
 734                                     uint32_t cid);
 735extern int vmw_fifo_flush(struct vmw_private *dev_priv,
 736                          bool interruptible);
 737
 738/**
 739 * TTM glue - vmwgfx_ttm_glue.c
 740 */
 741
 742extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
 743extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
 744extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
 745
 746/**
 747 * TTM buffer object driver - vmwgfx_buffer.c
 748 */
 749
 750extern const size_t vmw_tt_size;
 751extern struct ttm_placement vmw_vram_placement;
 752extern struct ttm_placement vmw_vram_ne_placement;
 753extern struct ttm_placement vmw_vram_sys_placement;
 754extern struct ttm_placement vmw_vram_gmr_placement;
 755extern struct ttm_placement vmw_vram_gmr_ne_placement;
 756extern struct ttm_placement vmw_sys_placement;
 757extern struct ttm_placement vmw_sys_ne_placement;
 758extern struct ttm_placement vmw_evictable_placement;
 759extern struct ttm_placement vmw_srf_placement;
 760extern struct ttm_placement vmw_mob_placement;
 761extern struct ttm_placement vmw_mob_ne_placement;
 762extern struct ttm_bo_driver vmw_bo_driver;
 763extern int vmw_dma_quiescent(struct drm_device *dev);
 764extern int vmw_bo_map_dma(struct ttm_buffer_object *bo);
 765extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo);
 766extern const struct vmw_sg_table *
 767vmw_bo_sg_table(struct ttm_buffer_object *bo);
 768extern void vmw_piter_start(struct vmw_piter *viter,
 769                            const struct vmw_sg_table *vsgt,
 770                            unsigned long p_offs);
 771
 772/**
 773 * vmw_piter_next - Advance the iterator one page.
 774 *
 775 * @viter: Pointer to the iterator to advance.
 776 *
 777 * Returns false if past the list of pages, true otherwise.
 778 */
 779static inline bool vmw_piter_next(struct vmw_piter *viter)
 780{
 781        return viter->next(viter);
 782}
 783
 784/**
 785 * vmw_piter_dma_addr - Return the DMA address of the current page.
 786 *
 787 * @viter: Pointer to the iterator
 788 *
 789 * Returns the DMA address of the page pointed to by @viter.
 790 */
 791static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
 792{
 793        return viter->dma_address(viter);
 794}
 795
 796/**
 797 * vmw_piter_page - Return a pointer to the current page.
 798 *
 799 * @viter: Pointer to the iterator
 800 *
 801 * Returns the DMA address of the page pointed to by @viter.
 802 */
 803static inline struct page *vmw_piter_page(struct vmw_piter *viter)
 804{
 805        return viter->page(viter);
 806}
 807
 808/**
 809 * Command submission - vmwgfx_execbuf.c
 810 */
 811
 812extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
 813                             struct drm_file *file_priv, size_t size);
 814extern int vmw_execbuf_process(struct drm_file *file_priv,
 815                               struct vmw_private *dev_priv,
 816                               void __user *user_commands,
 817                               void *kernel_commands,
 818                               uint32_t command_size,
 819                               uint64_t throttle_us,
 820                               uint32_t dx_context_handle,
 821                               struct drm_vmw_fence_rep __user
 822                               *user_fence_rep,
 823                               struct vmw_fence_obj **out_fence);
 824extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
 825                                            struct vmw_fence_obj *fence);
 826extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
 827
 828extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
 829                                      struct vmw_private *dev_priv,
 830                                      struct vmw_fence_obj **p_fence,
 831                                      uint32_t *p_handle);
 832extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
 833                                        struct vmw_fpriv *vmw_fp,
 834                                        int ret,
 835                                        struct drm_vmw_fence_rep __user
 836                                        *user_fence_rep,
 837                                        struct vmw_fence_obj *fence,
 838                                        uint32_t fence_handle);
 839extern int vmw_validate_single_buffer(struct vmw_private *dev_priv,
 840                                      struct ttm_buffer_object *bo,
 841                                      bool interruptible,
 842                                      bool validate_as_mob);
 843
 844
 845/**
 846 * IRQs and wating - vmwgfx_irq.c
 847 */
 848
 849extern irqreturn_t vmw_irq_handler(int irq, void *arg);
 850extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy,
 851                          uint32_t seqno, bool interruptible,
 852                          unsigned long timeout);
 853extern void vmw_irq_preinstall(struct drm_device *dev);
 854extern int vmw_irq_postinstall(struct drm_device *dev);
 855extern void vmw_irq_uninstall(struct drm_device *dev);
 856extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
 857                                uint32_t seqno);
 858extern int vmw_fallback_wait(struct vmw_private *dev_priv,
 859                             bool lazy,
 860                             bool fifo_idle,
 861                             uint32_t seqno,
 862                             bool interruptible,
 863                             unsigned long timeout);
 864extern void vmw_update_seqno(struct vmw_private *dev_priv,
 865                                struct vmw_fifo_state *fifo_state);
 866extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
 867extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
 868extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
 869extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
 870extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
 871                                   int *waiter_count);
 872extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
 873                                      u32 flag, int *waiter_count);
 874
 875/**
 876 * Rudimentary fence-like objects currently used only for throttling -
 877 * vmwgfx_marker.c
 878 */
 879
 880extern void vmw_marker_queue_init(struct vmw_marker_queue *queue);
 881extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue);
 882extern int vmw_marker_push(struct vmw_marker_queue *queue,
 883                           uint32_t seqno);
 884extern int vmw_marker_pull(struct vmw_marker_queue *queue,
 885                           uint32_t signaled_seqno);
 886extern int vmw_wait_lag(struct vmw_private *dev_priv,
 887                        struct vmw_marker_queue *queue, uint32_t us);
 888
 889/**
 890 * Kernel framebuffer - vmwgfx_fb.c
 891 */
 892
 893int vmw_fb_init(struct vmw_private *vmw_priv);
 894int vmw_fb_close(struct vmw_private *dev_priv);
 895int vmw_fb_off(struct vmw_private *vmw_priv);
 896int vmw_fb_on(struct vmw_private *vmw_priv);
 897
 898/**
 899 * Kernel modesetting - vmwgfx_kms.c
 900 */
 901
 902int vmw_kms_init(struct vmw_private *dev_priv);
 903int vmw_kms_close(struct vmw_private *dev_priv);
 904int vmw_kms_save_vga(struct vmw_private *vmw_priv);
 905int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
 906int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
 907                                struct drm_file *file_priv);
 908void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
 909void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 910                          struct ttm_object_file *tfile,
 911                          struct ttm_buffer_object *bo,
 912                          SVGA3dCmdHeader *header);
 913int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 914                       unsigned width, unsigned height, unsigned pitch,
 915                       unsigned bpp, unsigned depth);
 916void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
 917bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
 918                                uint32_t pitch,
 919                                uint32_t height);
 920u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 921int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe);
 922void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe);
 923int vmw_kms_present(struct vmw_private *dev_priv,
 924                    struct drm_file *file_priv,
 925                    struct vmw_framebuffer *vfb,
 926                    struct vmw_surface *surface,
 927                    uint32_t sid, int32_t destX, int32_t destY,
 928                    struct drm_vmw_rect *clips,
 929                    uint32_t num_clips);
 930int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 931                                struct drm_file *file_priv);
 932void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
 933
 934int vmw_dumb_create(struct drm_file *file_priv,
 935                    struct drm_device *dev,
 936                    struct drm_mode_create_dumb *args);
 937
 938int vmw_dumb_map_offset(struct drm_file *file_priv,
 939                        struct drm_device *dev, uint32_t handle,
 940                        uint64_t *offset);
 941int vmw_dumb_destroy(struct drm_file *file_priv,
 942                     struct drm_device *dev,
 943                     uint32_t handle);
 944extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
 945extern void vmw_resource_unpin(struct vmw_resource *res);
 946extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
 947
 948/**
 949 * Overlay control - vmwgfx_overlay.c
 950 */
 951
 952int vmw_overlay_init(struct vmw_private *dev_priv);
 953int vmw_overlay_close(struct vmw_private *dev_priv);
 954int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 955                      struct drm_file *file_priv);
 956int vmw_overlay_stop_all(struct vmw_private *dev_priv);
 957int vmw_overlay_resume_all(struct vmw_private *dev_priv);
 958int vmw_overlay_pause_all(struct vmw_private *dev_priv);
 959int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
 960int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
 961int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
 962int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
 963
 964/**
 965 * GMR Id manager
 966 */
 967
 968extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func;
 969
 970/**
 971 * Prime - vmwgfx_prime.c
 972 */
 973
 974extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
 975extern int vmw_prime_fd_to_handle(struct drm_device *dev,
 976                                  struct drm_file *file_priv,
 977                                  int fd, u32 *handle);
 978extern int vmw_prime_handle_to_fd(struct drm_device *dev,
 979                                  struct drm_file *file_priv,
 980                                  uint32_t handle, uint32_t flags,
 981                                  int *prime_fd);
 982
 983/*
 984 * MemoryOBject management -  vmwgfx_mob.c
 985 */
 986struct vmw_mob;
 987extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
 988                        const struct vmw_sg_table *vsgt,
 989                        unsigned long num_data_pages, int32_t mob_id);
 990extern void vmw_mob_unbind(struct vmw_private *dev_priv,
 991                           struct vmw_mob *mob);
 992extern void vmw_mob_destroy(struct vmw_mob *mob);
 993extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
 994extern int vmw_otables_setup(struct vmw_private *dev_priv);
 995extern void vmw_otables_takedown(struct vmw_private *dev_priv);
 996
 997/*
 998 * Context management - vmwgfx_context.c
 999 */
1000

1001extern const struct vmw_user_resource_conv *user_context_converter;
1002
1003extern int vmw_context_check(struct vmw_private *dev_priv,
1004                             struct ttm_object_file *tfile,
1005                             int id,
1006                             struct vmw_resource **p_res);
1007extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1008                                    struct drm_file *file_priv);
1009extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1010                                             struct drm_file *file_priv);
1011extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1012                                     struct drm_file *file_priv);
1013extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1014extern struct vmw_cmdbuf_res_manager *
1015vmw_context_res_man(struct vmw_resource *ctx);
1016extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1017                                                SVGACOTableType cotable_type);
1018extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1019struct vmw_ctx_binding_state;
1020extern struct vmw_ctx_binding_state *
1021vmw_context_binding_state(struct vmw_resource *ctx);
1022extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1023                                          bool readback);
1024extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1025                                     struct vmw_dma_buffer *mob);
1026extern struct vmw_dma_buffer *
1027vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1028
1029
1030/*
1031 * Surface management - vmwgfx_surface.c
1032 */
1033
1034extern const struct vmw_user_resource_conv *user_surface_converter;
1035
1036extern void vmw_surface_res_free(struct vmw_resource *res);
1037extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1038                                     struct drm_file *file_priv);
1039extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1040                                    struct drm_file *file_priv);
1041extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1042                                       struct drm_file *file_priv);
1043extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1044                                       struct drm_file *file_priv);
1045extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1046                                          struct drm_file *file_priv);
1047extern int vmw_surface_check(struct vmw_private *dev_priv,
1048                             struct ttm_object_file *tfile,
1049                             uint32_t handle, int *id);
1050extern int vmw_surface_validate(struct vmw_private *dev_priv,
1051                                struct vmw_surface *srf);
1052int vmw_surface_gb_priv_define(struct drm_device *dev,
1053                               uint32_t user_accounting_size,
1054                               uint32_t svga3d_flags,
1055                               SVGA3dSurfaceFormat format,
1056                               bool for_scanout,
1057                               uint32_t num_mip_levels,
1058                               uint32_t multisample_count,
1059                               uint32_t array_size,
1060                               struct drm_vmw_size size,
1061                               struct vmw_surface **srf_out);
1062
1063/*
1064 * Shader management - vmwgfx_shader.c
1065 */
1066
1067extern const struct vmw_user_resource_conv *user_shader_converter;
1068
1069extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1070                                   struct drm_file *file_priv);
1071extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1072                                    struct drm_file *file_priv);
1073extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1074                                 struct vmw_cmdbuf_res_manager *man,
1075                                 u32 user_key, const void *bytecode,
1076                                 SVGA3dShaderType shader_type,
1077                                 size_t size,
1078                                 struct list_head *list);
1079extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1080                             u32 user_key, SVGA3dShaderType shader_type,
1081                             struct list_head *list);
1082extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1083                             struct vmw_resource *ctx,
1084                             u32 user_key,
1085                             SVGA3dShaderType shader_type,
1086                             struct list_head *list);
1087extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1088                                             struct list_head *list,
1089                                             bool readback);
1090
1091extern struct vmw_resource *
1092vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1093                  u32 user_key, SVGA3dShaderType shader_type);
1094
1095/*
1096 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1097 */
1098
1099extern struct vmw_cmdbuf_res_manager *
1100vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1101extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1102extern size_t vmw_cmdbuf_res_man_size(void);
1103extern struct vmw_resource *
1104vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1105                      enum vmw_cmdbuf_res_type res_type,
1106                      u32 user_key);
1107extern void vmw_cmdbuf_res_revert(struct list_head *list);
1108extern void vmw_cmdbuf_res_commit(struct list_head *list);
1109extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1110                              enum vmw_cmdbuf_res_type res_type,
1111                              u32 user_key,
1112                              struct vmw_resource *res,
1113                              struct list_head *list);
1114extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1115                                 enum vmw_cmdbuf_res_type res_type,
1116                                 u32 user_key,
1117                                 struct list_head *list,
1118                                 struct vmw_resource **res);
1119
1120/*
1121 * COTable management - vmwgfx_cotable.c
1122 */
1123extern const SVGACOTableType vmw_cotable_scrub_order[];
1124extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1125                                              struct vmw_resource *ctx,
1126                                              u32 type);
1127extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1128extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1129extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1130                                     struct list_head *head);
1131
1132/*
1133 * Command buffer managerment vmwgfx_cmdbuf.c
1134 */
1135struct vmw_cmdbuf_man;
1136struct vmw_cmdbuf_header;
1137
1138extern struct vmw_cmdbuf_man *
1139vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1140extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
1141                                    size_t size, size_t default_size);
1142extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1143extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1144extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1145                           unsigned long timeout);
1146extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1147                                int ctx_id, bool interruptible,
1148                                struct vmw_cmdbuf_header *header);
1149extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1150                              struct vmw_cmdbuf_header *header,
1151                              bool flush);
1152extern void vmw_cmdbuf_tasklet_schedule(struct vmw_cmdbuf_man *man);
1153extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1154                              size_t size, bool interruptible,
1155                              struct vmw_cmdbuf_header **p_header);
1156extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1157extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1158                                bool interruptible);
1159
1160
1161/**
1162 * Inline helper functions
1163 */
1164
1165static inline void vmw_surface_unreference(struct vmw_surface **srf)
1166{
1167        struct vmw_surface *tmp_srf = *srf;
1168        struct vmw_resource *res = &tmp_srf->res;
1169        *srf = NULL;
1170
1171        vmw_resource_unreference(&res);
1172}
1173
1174static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1175{
1176        (void) vmw_resource_reference(&srf->res);
1177        return srf;
1178}
1179
1180static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
1181{
1182        struct vmw_dma_buffer *tmp_buf = *buf;
1183
1184        *buf = NULL;
1185        if (tmp_buf != NULL) {
1186                struct ttm_buffer_object *bo = &tmp_buf->base;
1187
1188                ttm_bo_unref(&bo);
1189        }
1190}
1191
1192static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
1193{
1194        if (ttm_bo_reference(&buf->base))
1195                return buf;
1196        return NULL;
1197}
1198
1199static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
1200{
1201        return (struct ttm_mem_global *) dev_priv->mem_global_ref.object;
1202}
1203
1204static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1205{
1206        atomic_inc(&dev_priv->num_fifo_resources);
1207}
1208
1209static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1210{
1211        atomic_dec(&dev_priv->num_fifo_resources);
1212}
1213
1214/**
1215 * vmw_mmio_read - Perform a MMIO read from volatile memory
1216 *
1217 * @addr: The address to read from
1218 *
1219 * This function is intended to be equivalent to ioread32() on
1220 * memremap'd memory, but without byteswapping.
1221 */
1222static inline u32 vmw_mmio_read(u32 *addr)
1223{
1224        return READ_ONCE(*addr);
1225}
1226
1227/**
1228 * vmw_mmio_write - Perform a MMIO write to volatile memory
1229 *
1230 * @addr: The address to write to
1231 *
1232 * This function is intended to be equivalent to iowrite32 on
1233 * memremap'd memory, but without byteswapping.
1234 */
1235static inline void vmw_mmio_write(u32 value, u32 *addr)
1236{
1237        WRITE_ONCE(*addr, value);
1238}
1239
1240/**
1241 * Add vmw_msg module function
1242 */
1243extern int vmw_host_log(const char *log);
1244
1245#endif
1246
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.