drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
   2 /**************************************************************************
   3  *
   4  * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
   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 <linux/suspend.h>
  32 #include <linux/sync_file.h>
  33 #include <linux/hashtable.h>
  34
  35 #include <drm/drm_auth.h>
  36 #include <drm/drm_device.h>
  37 #include <drm/drm_file.h>
  38 #include <drm/drm_rect.h>
  39
  40 #include <drm/ttm/ttm_execbuf_util.h>
  41 #include <drm/ttm/ttm_tt.h>
  42 #include <drm/ttm/ttm_placement.h>
  43 #include <drm/ttm/ttm_bo.h>
  44
  45 #include "ttm_object.h"
  46
  47 #include "vmwgfx_fence.h"
  48 #include "vmwgfx_reg.h"
  49 #include "vmwgfx_validation.h"
  50
  51 /*
  52  * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
  53  * uapi headers should not depend on header files outside uapi/.
  54  */
  55 #include <drm/vmwgfx_drm.h>
  56
  57
  58 #define VMWGFX_DRIVER_NAME "vmwgfx"
  59 #define VMWGFX_DRIVER_DATE "20211206"
  60 #define VMWGFX_DRIVER_MAJOR 2
  61 #define VMWGFX_DRIVER_MINOR 20
  62 #define VMWGFX_DRIVER_PATCHLEVEL 0
  63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
  64 #define VMWGFX_MAX_DISPLAYS 16
  65 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768
  66
  67 #define VMWGFX_MIN_INITIAL_WIDTH 1280
  68 #define VMWGFX_MIN_INITIAL_HEIGHT 800
  69
  70 #define VMWGFX_PCI_ID_SVGA2              0x0405
  71 #define VMWGFX_PCI_ID_SVGA3              0x0406
  72
  73 /*
  74  * This has to match get_count_order(SVGA_IRQFLAG_MAX)
  75  */
  76 #define VMWGFX_MAX_NUM_IRQS 6
  77
  78 /*
  79  * Perhaps we should have sysfs entries for these.
  80  */
  81 #define VMWGFX_NUM_GB_CONTEXT 256
  82 #define VMWGFX_NUM_GB_SHADER 20000
  83 #define VMWGFX_NUM_GB_SURFACE 32768
  84 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS
  85 #define VMWGFX_NUM_DXCONTEXT 256
  86 #define VMWGFX_NUM_DXQUERY 512
  87 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\
  88                         VMWGFX_NUM_GB_SHADER +\
  89                         VMWGFX_NUM_GB_SURFACE +\
  90                         VMWGFX_NUM_GB_SCREEN_TARGET)
  91
  92 #define VMW_PL_GMR      (TTM_PL_PRIV + 0)
  93 #define VMW_PL_MOB      (TTM_PL_PRIV + 1)
  94 #define VMW_PL_SYSTEM   (TTM_PL_PRIV + 2)
  95
  96 #define VMW_RES_CONTEXT ttm_driver_type0
  97 #define VMW_RES_SURFACE ttm_driver_type1
  98 #define VMW_RES_STREAM ttm_driver_type2
  99 #define VMW_RES_FENCE ttm_driver_type3
 100 #define VMW_RES_SHADER ttm_driver_type4
 101 #define VMW_RES_HT_ORDER 12
 102
 103 #define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8
 104 #define VMW_CURSOR_SNOOP_WIDTH 64
 105 #define VMW_CURSOR_SNOOP_HEIGHT 64
 106
 107 #define MKSSTAT_CAPACITY_LOG2 5U
 108 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2)
 109
 110 struct vmw_fpriv {
 111         struct ttm_object_file *tfile;
 112         bool gb_aware; /* user-space is guest-backed aware */
 113 };
 114
 115 struct vmwgfx_hash_item {
 116         struct hlist_node head;
 117         unsigned long key;
 118 };
 119
 120
 121 /**
 122  * struct vmw_validate_buffer - Carries validation info about buffers.
 123  *
 124  * @base: Validation info for TTM.
 125  * @hash: Hash entry for quick lookup of the TTM buffer object.
 126  *
 127  * This structure contains also driver private validation info
 128  * on top of the info needed by TTM.
 129  */
 130 struct vmw_validate_buffer {
 131         struct ttm_validate_buffer base;
 132         struct vmwgfx_hash_item hash;
 133         bool validate_as_mob;
 134 };
 135
 136 struct vmw_res_func;
 137
 138
 139 /**
 140  * struct vmw-resource - base class for hardware resources
 141  *
 142  * @kref: For refcounting.
 143  * @dev_priv: Pointer to the device private for this resource. Immutable.
 144  * @id: Device id. Protected by @dev_priv::resource_lock.
 145  * @guest_memory_size: Guest memory buffer size. Immutable.
 146  * @res_dirty: Resource contains data not yet in the guest memory buffer.
 147  * Protected by resource reserved.
 148  * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW
 149  * resource. Protected by resource reserved.
 150  * @coherent: Emulate coherency by tracking vm accesses.
 151  * @guest_memory_bo: The guest memory buffer if any. Protected by resource
 152  * reserved.
 153  * @guest_memory_offset: Offset into the guest memory buffer if any. Protected
 154  * by resource reserved. Note that only a few resource types can have a
 155  * @guest_memory_offset different from zero.
 156  * @pin_count: The pin count for this resource. A pinned resource has a
 157  * pin-count greater than zero. It is not on the resource LRU lists and its
 158  * guest memory buffer is pinned. Hence it can't be evicted.
 159  * @func: Method vtable for this resource. Immutable.
 160  * @mob_node; Node for the MOB guest memory rbtree. Protected by
 161  * @guest_memory_bo reserved.
 162  * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
 163  * @binding_head: List head for the context binding list. Protected by
 164  * the @dev_priv::binding_mutex
 165  * @res_free: The resource destructor.
 166  * @hw_destroy: Callback to destroy the resource on the device, as part of
 167  * resource destruction.
 168  */
 169 struct vmw_bo;
 170 struct vmw_bo;
 171 struct vmw_resource_dirty;
 172 struct vmw_resource {
 173         struct kref kref;
 174         struct vmw_private *dev_priv;
 175         int id;
 176         u32 used_prio;
 177         unsigned long guest_memory_size;
 178         u32 res_dirty : 1;
 179         u32 guest_memory_dirty : 1;
 180         u32 coherent : 1;
 181         struct vmw_bo *guest_memory_bo;
 182         unsigned long guest_memory_offset;
 183         unsigned long pin_count;
 184         const struct vmw_res_func *func;
 185         struct rb_node mob_node;
 186         struct list_head lru_head;
 187         struct list_head binding_head;
 188         struct vmw_resource_dirty *dirty;
 189         void (*res_free) (struct vmw_resource *res);
 190         void (*hw_destroy) (struct vmw_resource *res);
 191 };
 192
 193
 194 /*
 195  * Resources that are managed using ioctls.
 196  */
 197 enum vmw_res_type {
 198         vmw_res_context,
 199         vmw_res_surface,
 200         vmw_res_stream,
 201         vmw_res_shader,
 202         vmw_res_dx_context,
 203         vmw_res_cotable,
 204         vmw_res_view,
 205         vmw_res_streamoutput,
 206         vmw_res_max
 207 };
 208
 209 /*
 210  * Resources that are managed using command streams.
 211  */
 212 enum vmw_cmdbuf_res_type {
 213         vmw_cmdbuf_res_shader,
 214         vmw_cmdbuf_res_view,
 215         vmw_cmdbuf_res_streamoutput
 216 };
 217
 218 struct vmw_cmdbuf_res_manager;
 219
 220 struct vmw_cursor_snooper {
 221         size_t age;
 222         uint32_t *image;
 223 };
 224
 225 struct vmw_framebuffer;
 226 struct vmw_surface_offset;
 227
 228 /**
 229  * struct vmw_surface_metadata - Metadata describing a surface.
 230  *
 231  * @flags: Device flags.
 232  * @format: Surface SVGA3D_x format.
 233  * @mip_levels: Mip level for each face. For GB first index is used only.
 234  * @multisample_count: Sample count.
 235  * @multisample_pattern: Sample patterns.
 236  * @quality_level: Quality level.
 237  * @autogen_filter: Filter for automatically generated mipmaps.
 238  * @array_size: Number of array elements for a 1D/2D texture. For cubemap
 239                 texture number of faces * array_size. This should be 0 for pre
 240                 SM4 device.
 241  * @buffer_byte_stride: Buffer byte stride.
 242  * @num_sizes: Size of @sizes. For GB surface this should always be 1.
 243  * @base_size: Surface dimension.
 244  * @sizes: Array representing mip sizes. Legacy only.
 245  * @scanout: Whether this surface will be used for scanout.
 246  *
 247  * This tracks metadata for both legacy and guest backed surface.
 248  */
 249 struct vmw_surface_metadata {
 250         u64 flags;
 251         u32 format;
 252         u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
 253         u32 multisample_count;
 254         u32 multisample_pattern;
 255         u32 quality_level;
 256         u32 autogen_filter;
 257         u32 array_size;
 258         u32 num_sizes;
 259         u32 buffer_byte_stride;
 260         struct drm_vmw_size base_size;
 261         struct drm_vmw_size *sizes;
 262         bool scanout;
 263 };
 264
 265 /**
 266  * struct vmw_surface: Resource structure for a surface.
 267  *
 268  * @res: The base resource for this surface.
 269  * @metadata: Metadata for this surface resource.
 270  * @snooper: Cursor data. Legacy surface only.
 271  * @offsets: Legacy surface only.
 272  * @view_list: List of views bound to this surface.
 273  */
 274 struct vmw_surface {
 275         struct vmw_resource res;
 276         struct vmw_surface_metadata metadata;
 277         struct vmw_cursor_snooper snooper;
 278         struct vmw_surface_offset *offsets;
 279         struct list_head view_list;
 280 };
 281
 282 struct vmw_fifo_state {
 283         unsigned long reserved_size;
 284         u32 *dynamic_buffer;
 285         u32 *static_buffer;
 286         unsigned long static_buffer_size;
 287         bool using_bounce_buffer;
 288         uint32_t capabilities;
 289         struct mutex fifo_mutex;
 290         struct rw_semaphore rwsem;
 291 };
 292
 293 /**
 294  * struct vmw_res_cache_entry - resource information cache entry
 295  * @handle: User-space handle of a resource.
 296  * @res: Non-ref-counted pointer to the resource.
 297  * @valid_handle: Whether the @handle member is valid.
 298  * @valid: Whether the entry is valid, which also implies that the execbuf
 299  * code holds a reference to the resource, and it's placed on the
 300  * validation list.
 301  *
 302  * Used to avoid frequent repeated user-space handle lookups of the
 303  * same resource.
 304  */
 305 struct vmw_res_cache_entry {
 306         uint32_t handle;
 307         struct vmw_resource *res;
 308         void *private;
 309         unsigned short valid_handle;
 310         unsigned short valid;
 311 };
 312
 313 /**
 314  * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
 315  */
 316 enum vmw_dma_map_mode {
 317         vmw_dma_alloc_coherent, /* Use TTM coherent pages */
 318         vmw_dma_map_populate,   /* Unmap from DMA just after unpopulate */
 319         vmw_dma_map_bind,       /* Unmap from DMA just before unbind */
 320         vmw_dma_map_max
 321 };
 322
 323 /**
 324  * struct vmw_sg_table - Scatter/gather table for binding, with additional
 325  * device-specific information.
 326  *
 327  * @sgt: Pointer to a struct sg_table with binding information
 328  * @num_regions: Number of regions with device-address contiguous pages
 329  */
 330 struct vmw_sg_table {
 331         enum vmw_dma_map_mode mode;
 332         struct page **pages;
 333         const dma_addr_t *addrs;
 334         struct sg_table *sgt;
 335         unsigned long num_pages;
 336 };
 337
 338 /**
 339  * struct vmw_piter - Page iterator that iterates over a list of pages
 340  * and DMA addresses that could be either a scatter-gather list or
 341  * arrays
 342  *
 343  * @pages: Array of page pointers to the pages.
 344  * @addrs: DMA addresses to the pages if coherent pages are used.
 345  * @iter: Scatter-gather page iterator. Current position in SG list.
 346  * @i: Current position in arrays.
 347  * @num_pages: Number of pages total.
 348  * @next: Function to advance the iterator. Returns false if past the list
 349  * of pages, true otherwise.
 350  * @dma_address: Function to return the DMA address of the current page.
 351  */
 352 struct vmw_piter {
 353         struct page **pages;
 354         const dma_addr_t *addrs;
 355         struct sg_dma_page_iter iter;
 356         unsigned long i;
 357         unsigned long num_pages;
 358         bool (*next)(struct vmw_piter *);
 359         dma_addr_t (*dma_address)(struct vmw_piter *);
 360 };
 361
 362
 363 struct vmw_ttm_tt {
 364         struct ttm_tt dma_ttm;
 365         struct vmw_private *dev_priv;
 366         int gmr_id;
 367         struct vmw_mob *mob;
 368         int mem_type;
 369         struct sg_table sgt;
 370         struct vmw_sg_table vsgt;
 371         bool mapped;
 372         bool bound;
 373 };
 374
 375 /*
 376  * enum vmw_display_unit_type - Describes the display unit
 377  */
 378 enum vmw_display_unit_type {
 379         vmw_du_invalid = 0,
 380         vmw_du_legacy,
 381         vmw_du_screen_object,
 382         vmw_du_screen_target,
 383         vmw_du_max
 384 };
 385
 386 struct vmw_validation_context;
 387 struct vmw_ctx_validation_info;
 388
 389 /**
 390  * struct vmw_sw_context - Command submission context
 391  * @res_ht: Pointer hash table used to find validation duplicates
 392  * @kernel: Whether the command buffer originates from kernel code rather
 393  * than from user-space
 394  * @fp: If @kernel is false, points to the file of the client. Otherwise
 395  * NULL
 396  * @cmd_bounce: Command bounce buffer used for command validation before
 397  * copying to fifo space
 398  * @cmd_bounce_size: Current command bounce buffer size
 399  * @cur_query_bo: Current buffer object used as query result buffer
 400  * @bo_relocations: List of buffer object relocations
 401  * @res_relocations: List of resource relocations
 402  * @buf_start: Pointer to start of memory where command validation takes
 403  * place
 404  * @res_cache: Cache of recently looked up resources
 405  * @last_query_ctx: Last context that submitted a query
 406  * @needs_post_query_barrier: Whether a query barrier is needed after
 407  * command submission
 408  * @staged_bindings: Cached per-context binding tracker
 409  * @staged_bindings_inuse: Whether the cached per-context binding tracker
 410  * is in use
 411  * @staged_cmd_res: List of staged command buffer managed resources in this
 412  * command buffer
 413  * @ctx_list: List of context resources referenced in this command buffer
 414  * @dx_ctx_node: Validation metadata of the current DX context
 415  * @dx_query_mob: The MOB used for DX queries
 416  * @dx_query_ctx: The DX context used for the last DX query
 417  * @man: Pointer to the command buffer managed resource manager
 418  * @ctx: The validation context
 419  */
 420 struct vmw_sw_context{
 421         DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER);
 422         bool kernel;
 423         struct vmw_fpriv *fp;
 424         struct drm_file *filp;
 425         uint32_t *cmd_bounce;
 426         uint32_t cmd_bounce_size;
 427         struct vmw_bo *cur_query_bo;
 428         struct list_head bo_relocations;
 429         struct list_head res_relocations;
 430         uint32_t *buf_start;
 431         struct vmw_res_cache_entry res_cache[vmw_res_max];
 432         struct vmw_resource *last_query_ctx;
 433         bool needs_post_query_barrier;
 434         struct vmw_ctx_binding_state *staged_bindings;
 435         bool staged_bindings_inuse;
 436         struct list_head staged_cmd_res;
 437         struct list_head ctx_list;
 438         struct vmw_ctx_validation_info *dx_ctx_node;
 439         struct vmw_bo *dx_query_mob;
 440         struct vmw_resource *dx_query_ctx;
 441         struct vmw_cmdbuf_res_manager *man;
 442         struct vmw_validation_context *ctx;
 443 };
 444
 445 struct vmw_legacy_display;
 446 struct vmw_overlay;
 447
 448 struct vmw_vga_topology_state {
 449         uint32_t width;
 450         uint32_t height;
 451         uint32_t primary;
 452         uint32_t pos_x;
 453         uint32_t pos_y;
 454 };
 455
 456
 457 /*
 458  * struct vmw_otable - Guest Memory OBject table metadata
 459  *
 460  * @size:           Size of the table (page-aligned).
 461  * @page_table:     Pointer to a struct vmw_mob holding the page table.
 462  */
 463 struct vmw_otable {
 464         unsigned long size;
 465         struct vmw_mob *page_table;
 466         bool enabled;
 467 };
 468
 469 struct vmw_otable_batch {
 470         unsigned num_otables;
 471         struct vmw_otable *otables;
 472         struct vmw_resource *context;
 473         struct vmw_bo *otable_bo;
 474 };
 475
 476 enum {
 477         VMW_IRQTHREAD_FENCE,
 478         VMW_IRQTHREAD_CMDBUF,
 479         VMW_IRQTHREAD_MAX
 480 };
 481
 482 /**
 483  * enum vmw_sm_type - Graphics context capability supported by device.
 484  * @VMW_SM_LEGACY: Pre DX context.
 485  * @VMW_SM_4: Context support upto SM4.
 486  * @VMW_SM_4_1: Context support upto SM4_1.
 487  * @VMW_SM_5: Context support up to SM5.
 488  * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions.
 489  * @VMW_SM_MAX: Should be the last.
 490  */
 491 enum vmw_sm_type {
 492         VMW_SM_LEGACY = 0,
 493         VMW_SM_4,
 494         VMW_SM_4_1,
 495         VMW_SM_5,
 496         VMW_SM_5_1X,
 497         VMW_SM_MAX
 498 };
 499
 500 struct vmw_private {
 501         struct drm_device drm;
 502         struct ttm_device bdev;
 503
 504         struct drm_vma_offset_manager vma_manager;
 505         u32 pci_id;
 506         resource_size_t io_start;
 507         resource_size_t vram_start;
 508         resource_size_t vram_size;
 509         resource_size_t max_primary_mem;
 510         u32 __iomem *rmmio;
 511         u32 *fifo_mem;
 512         resource_size_t fifo_mem_size;
 513         uint32_t fb_max_width;
 514         uint32_t fb_max_height;
 515         uint32_t texture_max_width;
 516         uint32_t texture_max_height;
 517         uint32_t stdu_max_width;
 518         uint32_t stdu_max_height;
 519         uint32_t initial_width;
 520         uint32_t initial_height;
 521         uint32_t capabilities;
 522         uint32_t capabilities2;
 523         uint32_t max_gmr_ids;
 524         uint32_t max_gmr_pages;
 525         uint32_t max_mob_pages;
 526         uint32_t max_mob_size;
 527         uint32_t memory_size;
 528         bool has_gmr;
 529         bool has_mob;
 530         spinlock_t hw_lock;
 531         bool assume_16bpp;
 532         u32 irqs[VMWGFX_MAX_NUM_IRQS];
 533         u32 num_irq_vectors;
 534
 535         enum vmw_sm_type sm_type;
 536
 537         /*
 538          * Framebuffer info.
 539          */
 540
 541         enum vmw_display_unit_type active_display_unit;
 542         struct vmw_legacy_display *ldu_priv;
 543         struct vmw_overlay *overlay_priv;
 544         struct drm_property *hotplug_mode_update_property;
 545         struct drm_property *implicit_placement_property;
 546         spinlock_t cursor_lock;
 547         struct drm_atomic_state *suspend_state;
 548
 549         /*
 550          * Context and surface management.
 551          */
 552
 553         spinlock_t resource_lock;
 554         struct idr res_idr[vmw_res_max];
 555
 556         /*
 557          * A resource manager for kernel-only surfaces and
 558          * contexts.
 559          */
 560
 561         struct ttm_object_device *tdev;
 562
 563         /*
 564          * Fencing and IRQs.
 565          */
 566
 567         atomic_t marker_seq;
 568         wait_queue_head_t fence_queue;
 569         wait_queue_head_t fifo_queue;
 570         spinlock_t waiter_lock;
 571         int fence_queue_waiters; /* Protected by waiter_lock */
 572         int goal_queue_waiters; /* Protected by waiter_lock */
 573         int cmdbuf_waiters; /* Protected by waiter_lock */
 574         int error_waiters; /* Protected by waiter_lock */
 575         int fifo_queue_waiters; /* Protected by waiter_lock */
 576         uint32_t last_read_seqno;
 577         struct vmw_fence_manager *fman;
 578         uint32_t irq_mask; /* Updates protected by waiter_lock */
 579
 580         /*
 581          * Device state
 582          */
 583
 584         uint32_t traces_state;
 585         uint32_t enable_state;
 586         uint32_t config_done_state;
 587
 588         /**
 589          * Execbuf
 590          */
 591         /**
 592          * Protected by the cmdbuf mutex.
 593          */
 594
 595         struct vmw_sw_context ctx;
 596         struct mutex cmdbuf_mutex;
 597         struct mutex binding_mutex;
 598
 599         /**
 600          * PM management.
 601          */
 602         struct notifier_block pm_nb;
 603         bool refuse_hibernation;
 604         bool suspend_locked;
 605
 606         atomic_t num_fifo_resources;
 607
 608         /*
 609          * Query processing. These members
 610          * are protected by the cmdbuf mutex.
 611          */
 612
 613         struct vmw_bo *dummy_query_bo;
 614         struct vmw_bo *pinned_bo;
 615         uint32_t query_cid;
 616         uint32_t query_cid_valid;
 617         bool dummy_query_bo_pinned;
 618
 619         /*
 620          * Surface swapping. The "surface_lru" list is protected by the
 621          * resource lock in order to be able to destroy a surface and take
 622          * it off the lru atomically. "used_memory_size" is currently
 623          * protected by the cmdbuf mutex for simplicity.
 624          */
 625
 626         struct list_head res_lru[vmw_res_max];
 627         uint32_t used_memory_size;
 628
 629         /*
 630          * DMA mapping stuff.
 631          */
 632         enum vmw_dma_map_mode map_mode;
 633
 634         /*
 635          * Guest Backed stuff
 636          */
 637         struct vmw_otable_batch otable_batch;
 638
 639         struct vmw_fifo_state *fifo;
 640         struct vmw_cmdbuf_man *cman;
 641         DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX);
 642
 643         uint32 *devcaps;
 644
 645         /*
 646          * mksGuestStat instance-descriptor and pid arrays
 647          */
 648         struct page *mksstat_user_pages[MKSSTAT_CAPACITY];
 649         atomic_t mksstat_user_pids[MKSSTAT_CAPACITY];
 650
 651 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS)
 652         struct page *mksstat_kern_pages[MKSSTAT_CAPACITY];
 653         u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY];
 654         atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY];
 655 #endif
 656 };
 657
 658 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
 659 {
 660         return container_of(res, struct vmw_surface, res);
 661 }
 662
 663 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
 664 {
 665         return (struct vmw_private *)dev->dev_private;
 666 }
 667
 668 static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev)
 669 {
 670         return container_of(bdev, struct vmw_private, bdev);
 671 }
 672
 673 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
 674 {
 675         return (struct vmw_fpriv *)file_priv->driver_priv;
 676 }
 677
 678 /*
 679  * SVGA v3 has mmio register access and lacks fifo cmds
 680  */
 681 static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
 682 {
 683         return dev->pci_id == VMWGFX_PCI_ID_SVGA3;
 684 }
 685
 686 /*
 687  * The locking here is fine-grained, so that it is performed once
 688  * for every read- and write operation. This is of course costly, but we
 689  * don't perform much register access in the timing critical paths anyway.
 690  * Instead we have the extra benefit of being sure that we don't forget
 691  * the hw lock around register accesses.
 692  */
 693 static inline void vmw_write(struct vmw_private *dev_priv,
 694                              unsigned int offset, uint32_t value)
 695 {
 696         if (vmw_is_svga_v3(dev_priv)) {
 697                 iowrite32(value, dev_priv->rmmio + offset);
 698         } else {
 699                 spin_lock(&dev_priv->hw_lock);
 700                 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
 701                 outl(value, dev_priv->io_start + SVGA_VALUE_PORT);
 702                 spin_unlock(&dev_priv->hw_lock);
 703         }
 704 }
 705
 706 static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 707                                 unsigned int offset)
 708 {
 709         u32 val;
 710
 711         if (vmw_is_svga_v3(dev_priv)) {
 712                 val = ioread32(dev_priv->rmmio + offset);
 713         } else {
 714                 spin_lock(&dev_priv->hw_lock);
 715                 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT);
 716                 val = inl(dev_priv->io_start + SVGA_VALUE_PORT);
 717                 spin_unlock(&dev_priv->hw_lock);
 718         }
 719
 720         return val;
 721 }
 722
 723 /**
 724  * has_sm4_context - Does the device support SM4 context.
 725  * @dev_priv: Device private.
 726  *
 727  * Return: Bool value if device support SM4 context or not.
 728  */
 729 static inline bool has_sm4_context(const struct vmw_private *dev_priv)
 730 {
 731         return (dev_priv->sm_type >= VMW_SM_4);
 732 }
 733
 734 /**
 735  * has_sm4_1_context - Does the device support SM4_1 context.
 736  * @dev_priv: Device private.
 737  *
 738  * Return: Bool value if device support SM4_1 context or not.
 739  */
 740 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
 741 {
 742         return (dev_priv->sm_type >= VMW_SM_4_1);
 743 }
 744
 745 /**
 746  * has_sm5_context - Does the device support SM5 context.
 747  * @dev_priv: Device private.
 748  *
 749  * Return: Bool value if device support SM5 context or not.
 750  */
 751 static inline bool has_sm5_context(const struct vmw_private *dev_priv)
 752 {
 753         return (dev_priv->sm_type >= VMW_SM_5);
 754 }
 755
 756 /**
 757  * has_gl43_context - Does the device support GL43 context.
 758  * @dev_priv: Device private.
 759  *
 760  * Return: Bool value if device support SM5 context or not.
 761  */
 762 static inline bool has_gl43_context(const struct vmw_private *dev_priv)
 763 {
 764         return (dev_priv->sm_type >= VMW_SM_5_1X);
 765 }
 766
 767
 768 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv)
 769 {
 770         return (has_gl43_context(dev_priv) ?
 771                         SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS);
 772 }
 773
 774 extern void vmw_svga_enable(struct vmw_private *dev_priv);
 775 extern void vmw_svga_disable(struct vmw_private *dev_priv);
 776 bool vmwgfx_supported(struct vmw_private *vmw);
 777
 778
 779 /**
 780  * GMR utilities - vmwgfx_gmr.c
 781  */
 782
 783 extern int vmw_gmr_bind(struct vmw_private *dev_priv,
 784                         const struct vmw_sg_table *vsgt,
 785                         unsigned long num_pages,
 786                         int gmr_id);
 787 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
 788
 789 /**
 790  * Resource utilities - vmwgfx_resource.c
 791  */
 792 struct vmw_user_resource_conv;
 793
 794 extern void vmw_resource_unreference(struct vmw_resource **p_res);
 795 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
 796 extern struct vmw_resource *
 797 vmw_resource_reference_unless_doomed(struct vmw_resource *res);
 798 extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
 799                                  bool dirtying);
 800 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
 801                                 bool no_backup);
 802 extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
 803 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
 804                                   struct drm_file *filp,
 805                                   uint32_t handle,
 806                                   struct vmw_surface **out_surf,
 807                                   struct vmw_bo **out_buf);
 808 extern int vmw_user_resource_lookup_handle(
 809         struct vmw_private *dev_priv,
 810         struct ttm_object_file *tfile,
 811         uint32_t handle,
 812         const struct vmw_user_resource_conv *converter,
 813         struct vmw_resource **p_res);
 814
 815 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
 816                                   struct drm_file *file_priv);
 817 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
 818                                   struct drm_file *file_priv);
 819 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
 820                                   struct ttm_object_file *tfile,
 821                                   uint32_t *inout_id,
 822                                   struct vmw_resource **out);
 823 extern void vmw_resource_unreserve(struct vmw_resource *res,
 824                                    bool dirty_set,
 825                                    bool dirty,
 826                                    bool switch_guest_memory,
 827                                    struct vmw_bo *new_guest_memory,
 828                                    unsigned long new_guest_memory_offset);
 829 extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
 830                                   struct ttm_resource *old_mem,
 831                                   struct ttm_resource *new_mem);
 832 int vmw_query_readback_all(struct vmw_bo *dx_query_mob);
 833 void vmw_resource_evict_all(struct vmw_private *dev_priv);
 834 void vmw_resource_unbind_list(struct vmw_bo *vbo);
 835 void vmw_resource_mob_attach(struct vmw_resource *res);
 836 void vmw_resource_mob_detach(struct vmw_resource *res);
 837 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
 838                                pgoff_t end);
 839 int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start,
 840                         pgoff_t end, pgoff_t *num_prefault);
 841
 842 /**
 843  * vmw_resource_mob_attached - Whether a resource currently has a mob attached
 844  * @res: The resource
 845  *
 846  * Return: true if the resource has a mob attached, false otherwise.
 847  */
 848 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
 849 {
 850         return !RB_EMPTY_NODE(&res->mob_node);
 851 }
 852
 853 /**
 854  * GEM related functionality - vmwgfx_gem.c
 855  */
 856 struct vmw_bo_params;
 857 int vmw_gem_object_create(struct vmw_private *vmw,
 858                           struct vmw_bo_params *params,
 859                           struct vmw_bo **p_vbo);
 860 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
 861                                              struct drm_file *filp,
 862                                              uint32_t size,
 863                                              uint32_t *handle,
 864                                              struct vmw_bo **p_vbo);
 865 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
 866                                        struct drm_file *filp);
 867 extern void vmw_debugfs_gem_init(struct vmw_private *vdev);
 868
 869 /**
 870  * Misc Ioctl functionality - vmwgfx_ioctl.c
 871  */
 872
 873 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
 874                               struct drm_file *file_priv);
 875 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
 876                                 struct drm_file *file_priv);
 877 extern int vmw_present_ioctl(struct drm_device *dev, void *data,
 878                              struct drm_file *file_priv);
 879 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
 880                                       struct drm_file *file_priv);
 881
 882 /**
 883  * Fifo utilities - vmwgfx_fifo.c
 884  */
 885
 886 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
 887 extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
 888 extern bool vmw_cmd_supported(struct vmw_private *vmw);
 889 extern void *
 890 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
 891 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
 892 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
 893 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
 894 extern bool vmw_supports_3d(struct vmw_private *dev_priv);
 895 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
 896 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
 897 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
 898                                     uint32_t cid);
 899 extern int vmw_cmd_flush(struct vmw_private *dev_priv,
 900                          bool interruptible);
 901
 902 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id)                        \
 903 ({                                                                            \
 904         vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({                 \
 905                 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n",         \
 906                           __func__, (unsigned int) __bytes);                  \
 907                 NULL;                                                         \
 908         });                                                                   \
 909 })
 910
 911 #define VMW_CMD_RESERVE(__priv, __bytes)                                     \
 912         VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID)
 913
 914
 915 /**
 916  * vmw_fifo_caps - Returns the capabilities of the FIFO command
 917  * queue or 0 if fifo memory isn't present.
 918  * @dev_priv: The device private context
 919  */
 920 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
 921 {
 922         if (!dev_priv->fifo_mem || !dev_priv->fifo)
 923                 return 0;
 924         return dev_priv->fifo->capabilities;
 925 }
 926
 927
 928 /**
 929  * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
 930  * is enabled in the FIFO.
 931  * @dev_priv: The device private context
 932  */
 933 static inline bool
 934 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
 935 {
 936         return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0;
 937 }
 938
 939 /**
 940  * TTM buffer object driver - vmwgfx_ttm_buffer.c
 941  */
 942
 943 extern const size_t vmw_tt_size;
 944 extern struct ttm_placement vmw_vram_placement;
 945 extern struct ttm_placement vmw_vram_gmr_placement;
 946 extern struct ttm_placement vmw_sys_placement;
 947 extern struct ttm_device_funcs vmw_bo_driver;
 948 extern const struct vmw_sg_table *
 949 vmw_bo_sg_table(struct ttm_buffer_object *bo);
 950 int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
 951                                size_t bo_size,
 952                                u32 domain,
 953                                struct vmw_bo **bo_p);
 954
 955 extern void vmw_piter_start(struct vmw_piter *viter,
 956                             const struct vmw_sg_table *vsgt,
 957                             unsigned long p_offs);
 958
 959 /**
 960  * vmw_piter_next - Advance the iterator one page.
 961  *
 962  * @viter: Pointer to the iterator to advance.
 963  *
 964  * Returns false if past the list of pages, true otherwise.
 965  */
 966 static inline bool vmw_piter_next(struct vmw_piter *viter)
 967 {
 968         return viter->next(viter);
 969 }
 970
 971 /**
 972  * vmw_piter_dma_addr - Return the DMA address of the current page.
 973  *
 974  * @viter: Pointer to the iterator
 975  *
 976  * Returns the DMA address of the page pointed to by @viter.
 977  */
 978 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
 979 {
 980         return viter->dma_address(viter);
 981 }
 982
 983 /**
 984  * vmw_piter_page - Return a pointer to the current page.
 985  *
 986  * @viter: Pointer to the iterator
 987  *
 988  * Returns the DMA address of the page pointed to by @viter.
 989  */
 990 static inline struct page *vmw_piter_page(struct vmw_piter *viter)
 991 {
 992         return viter->pages[viter->i];
 993 }
 994
 995 /**
 996  * Command submission - vmwgfx_execbuf.c
 997  */
 998
 999 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
1000                              struct drm_file *file_priv);
1001 extern int vmw_execbuf_process(struct drm_file *file_priv,
1002                                struct vmw_private *dev_priv,
1003                                void __user *user_commands,
1004                                void *kernel_commands,
1005                                uint32_t command_size,
1006                                uint64_t throttle_us,
1007                                uint32_t dx_context_handle,
1008                                struct drm_vmw_fence_rep __user
1009                                *user_fence_rep,
1010                                struct vmw_fence_obj **out_fence,
1011                                uint32_t flags);
1012 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
1013                                             struct vmw_fence_obj *fence);
1014 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);
1015
1016 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
1017                                       struct vmw_private *dev_priv,
1018                                       struct vmw_fence_obj **p_fence,
1019                                       uint32_t *p_handle);
1020 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
1021                                         struct vmw_fpriv *vmw_fp,
1022                                         int ret,
1023                                         struct drm_vmw_fence_rep __user
1024                                         *user_fence_rep,
1025                                         struct vmw_fence_obj *fence,
1026                                         uint32_t fence_handle,
1027                                         int32_t out_fence_fd);
1028 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);
1029
1030 /**
1031  * IRQs and wating - vmwgfx_irq.c
1032  */
1033
1034 extern int vmw_irq_install(struct vmw_private *dev_priv);
1035 extern void vmw_irq_uninstall(struct drm_device *dev);
1036 extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
1037                                 uint32_t seqno);
1038 extern int vmw_fallback_wait(struct vmw_private *dev_priv,
1039                              bool lazy,
1040                              bool fifo_idle,
1041                              uint32_t seqno,
1042                              bool interruptible,
1043                              unsigned long timeout);
1044 extern void vmw_update_seqno(struct vmw_private *dev_priv);
1045 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
1046 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
1047 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
1048 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
1049 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
1050                                    int *waiter_count);
1051 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
1052                                       u32 flag, int *waiter_count);
1053
1054 /**
1055  * Kernel modesetting - vmwgfx_kms.c
1056  */
1057
1058 int vmw_kms_init(struct vmw_private *dev_priv);
1059 int vmw_kms_close(struct vmw_private *dev_priv);
1060 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1061                                 struct drm_file *file_priv);
1062 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
1063 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
1064                           struct ttm_object_file *tfile,
1065                           struct ttm_buffer_object *bo,
1066                           SVGA3dCmdHeader *header);
1067 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1068                        unsigned width, unsigned height, unsigned pitch,
1069                        unsigned bpp, unsigned depth);
1070 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1071                                 uint32_t pitch,
1072                                 uint32_t height);
1073 int vmw_kms_present(struct vmw_private *dev_priv,
1074                     struct drm_file *file_priv,
1075                     struct vmw_framebuffer *vfb,
1076                     struct vmw_surface *surface,
1077                     uint32_t sid, int32_t destX, int32_t destY,
1078                     struct drm_vmw_rect *clips,
1079                     uint32_t num_clips);
1080 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1081                                 struct drm_file *file_priv);
1082 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
1083 int vmw_kms_suspend(struct drm_device *dev);
1084 int vmw_kms_resume(struct drm_device *dev);
1085 void vmw_kms_lost_device(struct drm_device *dev);
1086
1087 int vmw_dumb_create(struct drm_file *file_priv,
1088                     struct drm_device *dev,
1089                     struct drm_mode_create_dumb *args);
1090 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
1091 extern void vmw_resource_unpin(struct vmw_resource *res);
1092 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);
1093
1094 /**
1095  * Overlay control - vmwgfx_overlay.c
1096  */
1097
1098 int vmw_overlay_init(struct vmw_private *dev_priv);
1099 int vmw_overlay_close(struct vmw_private *dev_priv);
1100 int vmw_overlay_ioctl(struct drm_device *dev, void *data,
1101                       struct drm_file *file_priv);
1102 int vmw_overlay_resume_all(struct vmw_private *dev_priv);
1103 int vmw_overlay_pause_all(struct vmw_private *dev_priv);
1104 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
1105 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
1106 int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
1107 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
1108
1109 /**
1110  * GMR Id manager
1111  */
1112
1113 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
1114 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);
1115
1116 /**
1117  * System memory manager
1118  */
1119 int vmw_sys_man_init(struct vmw_private *dev_priv);
1120 void vmw_sys_man_fini(struct vmw_private *dev_priv);
1121
1122 /**
1123  * Prime - vmwgfx_prime.c
1124  */
1125
1126 extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
1127 extern int vmw_prime_fd_to_handle(struct drm_device *dev,
1128                                   struct drm_file *file_priv,
1129                                   int fd, u32 *handle);
1130 extern int vmw_prime_handle_to_fd(struct drm_device *dev,
1131                                   struct drm_file *file_priv,
1132                                   uint32_t handle, uint32_t flags,
1133                                   int *prime_fd);
1134
1135 /*
1136  * MemoryOBject management -  vmwgfx_mob.c
1137  */
1138 struct vmw_mob;
1139 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
1140                         const struct vmw_sg_table *vsgt,
1141                         unsigned long num_data_pages, int32_t mob_id);
1142 extern void vmw_mob_unbind(struct vmw_private *dev_priv,
1143                            struct vmw_mob *mob);
1144 extern void vmw_mob_destroy(struct vmw_mob *mob);
1145 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
1146 extern int vmw_otables_setup(struct vmw_private *dev_priv);
1147 extern void vmw_otables_takedown(struct vmw_private *dev_priv);
1148
1149 /*
1150  * Context management - vmwgfx_context.c
1151  */
1152
1153 extern const struct vmw_user_resource_conv *user_context_converter;
1154
1155 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
1156                                     struct drm_file *file_priv);
1157 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
1158                                              struct drm_file *file_priv);
1159 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
1160                                      struct drm_file *file_priv);
1161 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
1162 extern struct vmw_cmdbuf_res_manager *
1163 vmw_context_res_man(struct vmw_resource *ctx);
1164 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
1165                                                 SVGACOTableType cotable_type);
1166 struct vmw_ctx_binding_state;
1167 extern struct vmw_ctx_binding_state *
1168 vmw_context_binding_state(struct vmw_resource *ctx);
1169 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
1170                                           bool readback);
1171 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
1172                                      struct vmw_bo *mob);
1173 extern struct vmw_bo *
1174 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);
1175
1176
1177 /*
1178  * Surface management - vmwgfx_surface.c
1179  */
1180
1181 extern const struct vmw_user_resource_conv *user_surface_converter;
1182
1183 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
1184                                      struct drm_file *file_priv);
1185 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
1186                                     struct drm_file *file_priv);
1187 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
1188                                        struct drm_file *file_priv);
1189 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
1190                                        struct drm_file *file_priv);
1191 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
1192                                           struct drm_file *file_priv);
1193 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
1194                                            void *data,
1195                                            struct drm_file *file_priv);
1196 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
1197                                               void *data,
1198                                               struct drm_file *file_priv);
1199
1200 int vmw_gb_surface_define(struct vmw_private *dev_priv,
1201                           const struct vmw_surface_metadata *req,
1202                           struct vmw_surface **srf_out);
1203
1204 /*
1205  * Shader management - vmwgfx_shader.c
1206  */
1207
1208 extern const struct vmw_user_resource_conv *user_shader_converter;
1209
1210 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
1211                                    struct drm_file *file_priv);
1212 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
1213                                     struct drm_file *file_priv);
1214 extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
1215                                  struct vmw_cmdbuf_res_manager *man,
1216                                  u32 user_key, const void *bytecode,
1217                                  SVGA3dShaderType shader_type,
1218                                  size_t size,
1219                                  struct list_head *list);
1220 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
1221                              u32 user_key, SVGA3dShaderType shader_type,
1222                              struct list_head *list);
1223 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
1224                              struct vmw_resource *ctx,
1225                              u32 user_key,
1226                              SVGA3dShaderType shader_type,
1227                              struct list_head *list);
1228 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
1229                                              struct list_head *list,
1230                                              bool readback);
1231
1232 extern struct vmw_resource *
1233 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
1234                   u32 user_key, SVGA3dShaderType shader_type);
1235
1236 /*
1237  * Streamoutput management
1238  */
1239 struct vmw_resource *
1240 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
1241                            u32 user_key);
1242 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
1243                             struct vmw_resource *ctx,
1244                             SVGA3dStreamOutputId user_key,
1245                             struct list_head *list);
1246 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
1247 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
1248                                SVGA3dStreamOutputId user_key,
1249                                struct list_head *list);
1250 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
1251                                             struct list_head *list,
1252                                             bool readback);
1253
1254 /*
1255  * Command buffer managed resources - vmwgfx_cmdbuf_res.c
1256  */
1257
1258 extern struct vmw_cmdbuf_res_manager *
1259 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
1260 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
1261 extern struct vmw_resource *
1262 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
1263                       enum vmw_cmdbuf_res_type res_type,
1264                       u32 user_key);
1265 extern void vmw_cmdbuf_res_revert(struct list_head *list);
1266 extern void vmw_cmdbuf_res_commit(struct list_head *list);
1267 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
1268                               enum vmw_cmdbuf_res_type res_type,
1269                               u32 user_key,
1270                               struct vmw_resource *res,
1271                               struct list_head *list);
1272 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
1273                                  enum vmw_cmdbuf_res_type res_type,
1274                                  u32 user_key,
1275                                  struct list_head *list,
1276                                  struct vmw_resource **res);
1277
1278 /*
1279  * COTable management - vmwgfx_cotable.c
1280  */
1281 extern const SVGACOTableType vmw_cotable_scrub_order[];
1282 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
1283                                               struct vmw_resource *ctx,
1284                                               u32 type);
1285 extern int vmw_cotable_notify(struct vmw_resource *res, int id);
1286 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
1287 extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
1288                                      struct list_head *head);
1289
1290 /*
1291  * Command buffer managerment vmwgfx_cmdbuf.c
1292  */
1293 struct vmw_cmdbuf_man;
1294 struct vmw_cmdbuf_header;
1295
1296 extern struct vmw_cmdbuf_man *
1297 vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
1298 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
1299 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
1300 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
1301 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
1302                            unsigned long timeout);
1303 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
1304                                 int ctx_id, bool interruptible,
1305                                 struct vmw_cmdbuf_header *header);
1306 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
1307                               struct vmw_cmdbuf_header *header,
1308                               bool flush);
1309 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
1310                               size_t size, bool interruptible,
1311                               struct vmw_cmdbuf_header **p_header);
1312 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
1313 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
1314                                 bool interruptible);
1315 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);
1316
1317 /* CPU blit utilities - vmwgfx_blit.c */
1318
1319 /**
1320  * struct vmw_diff_cpy - CPU blit information structure
1321  *
1322  * @rect: The output bounding box rectangle.
1323  * @line: The current line of the blit.
1324  * @line_offset: Offset of the current line segment.
1325  * @cpp: Bytes per pixel (granularity information).
1326  * @memcpy: Which memcpy function to use.
1327  */
1328 struct vmw_diff_cpy {
1329         struct drm_rect rect;
1330         size_t line;
1331         size_t line_offset;
1332         int cpp;
1333         void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1334                        size_t n);
1335 };
1336
1337 #define VMW_CPU_BLIT_INITIALIZER {      \
1338         .do_cpy = vmw_memcpy,           \
1339 }
1340
1341 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) {     \
1342         .line = 0,                                \
1343         .line_offset = 0,                         \
1344         .rect = { .x1 = INT_MAX/2,                \
1345                   .y1 = INT_MAX/2,                \
1346                   .x2 = INT_MIN/2,                \
1347                   .y2 = INT_MIN/2                 \
1348         },                                        \
1349         .cpp = _cpp,                              \
1350         .do_cpy = vmw_diff_memcpy,                \
1351 }
1352
1353 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
1354                      size_t n);
1355
1356 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);
1357
1358 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
1359                     u32 dst_offset, u32 dst_stride,
1360                     struct ttm_buffer_object *src,
1361                     u32 src_offset, u32 src_stride,
1362                     u32 w, u32 h,
1363                     struct vmw_diff_cpy *diff);
1364
1365 /* Host messaging -vmwgfx_msg.c: */
1366 void vmw_disable_backdoor(void);
1367 int vmw_host_get_guestinfo(const char *guest_info_param,
1368                            char *buffer, size_t *length);
1369 __printf(1, 2) int vmw_host_printf(const char *fmt, ...);
1370 int vmw_msg_ioctl(struct drm_device *dev, void *data,
1371                   struct drm_file *file_priv);
1372
1373 /* Host mksGuestStats -vmwgfx_msg.c: */
1374 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);
1375
1376 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
1377                       struct drm_file *file_priv);
1378 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
1379                       struct drm_file *file_priv);
1380 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
1381                       struct drm_file *file_priv);
1382 int vmw_mksstat_remove_all(struct vmw_private *dev_priv);
1383
1384 /* VMW logging */
1385
1386 /**
1387  * VMW_DEBUG_USER - Debug output for user-space debugging.
1388  *
1389  * @fmt: printf() like format string.
1390  *
1391  * This macro is for logging user-space error and debugging messages for e.g.
1392  * command buffer execution errors due to malformed commands, invalid context,
1393  * etc.
1394  */
1395 #define VMW_DEBUG_USER(fmt, ...)                                              \
1396         DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1397
1398 /* Resource dirtying - vmwgfx_page_dirty.c */
1399 void vmw_bo_dirty_scan(struct vmw_bo *vbo);
1400 int vmw_bo_dirty_add(struct vmw_bo *vbo);
1401 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
1402 void vmw_bo_dirty_clear_res(struct vmw_resource *res);
1403 void vmw_bo_dirty_release(struct vmw_bo *vbo);
1404 void vmw_bo_dirty_unmap(struct vmw_bo *vbo,
1405                         pgoff_t start, pgoff_t end);
1406 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
1407 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);
1408
1409
1410 /**
1411  * VMW_DEBUG_KMS - Debug output for kernel mode-setting
1412  *
1413  * This macro is for debugging vmwgfx mode-setting code.
1414  */
1415 #define VMW_DEBUG_KMS(fmt, ...)                                               \
1416         DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
1417
1418 /**
1419  * Inline helper functions
1420  */
1421
1422 static inline void vmw_surface_unreference(struct vmw_surface **srf)
1423 {
1424         struct vmw_surface *tmp_srf = *srf;
1425         struct vmw_resource *res = &tmp_srf->res;
1426         *srf = NULL;
1427
1428         vmw_resource_unreference(&res);
1429 }
1430
1431 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
1432 {
1433         (void) vmw_resource_reference(&srf->res);
1434         return srf;
1435 }
1436
1437 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
1438 {
1439         atomic_inc(&dev_priv->num_fifo_resources);
1440 }
1441
1442 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
1443 {
1444         atomic_dec(&dev_priv->num_fifo_resources);
1445 }
1446
1447 /**
1448  * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
1449  *
1450  * @fifo_reg: The fifo register to read from
1451  *
1452  * This function is intended to be equivalent to ioread32() on
1453  * memremap'd memory, but without byteswapping.
1454  */
1455 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
1456 {
1457         BUG_ON(vmw_is_svga_v3(vmw));
1458         return READ_ONCE(*(vmw->fifo_mem + fifo_reg));
1459 }
1460
1461 /**
1462  * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
1463  *
1464  * @addr: The fifo register to write to
1465  *
1466  * This function is intended to be equivalent to iowrite32 on
1467  * memremap'd memory, but without byteswapping.
1468  */
1469 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
1470                                       u32 value)
1471 {
1472         BUG_ON(vmw_is_svga_v3(vmw));
1473         WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value);
1474 }
1475
1476 static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
1477 {
1478         u32 fence;
1479         if (vmw_is_svga_v3(dev_priv))
1480                 fence = vmw_read(dev_priv, SVGA_REG_FENCE);
1481         else
1482                 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE);
1483         return fence;
1484 }
1485
1486 static inline void vmw_fence_write(struct vmw_private *dev_priv,
1487                                   u32 fence)
1488 {
1489         BUG_ON(vmw_is_svga_v3(dev_priv));
1490         vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence);
1491 }
1492
1493 static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
1494 {
1495         u32 status;
1496         if (vmw_is_svga_v3(vmw))
1497                 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS);
1498         else
1499                 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT);
1500         return status;
1501 }
1502
1503 static inline void vmw_irq_status_write(struct vmw_private *vmw,
1504                                         uint32 status)
1505 {
1506         if (vmw_is_svga_v3(vmw))
1507                 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status);
1508         else
1509                 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT);
1510 }
1511
1512 static inline bool vmw_has_fences(struct vmw_private *vmw)
1513 {
1514         if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
1515                                   SVGA_CAP_CMD_BUFFERS_2)) != 0)
1516                 return true;
1517         return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0;
1518 }
1519
1520 static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model,
1521                                            u32 shader_type)
1522 {
1523         SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX;
1524
1525         if (shader_model >= VMW_SM_5)
1526                 max_allowed = SVGA3D_SHADERTYPE_MAX;
1527         else if (shader_model >= VMW_SM_4)
1528                 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX;
1529         return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed;
1530 }
1531
1532 #endif