linux/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
 *
 * Copyright (c) 2009-2024 Broadcom. All Rights Reserved. The term
 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 **************************************************************************/

#ifndef _VMWGFX_DRV_H_
#define _VMWGFX_DRV_H_

#include <linux/suspend.h>
#include <linux/sync_file.h>
#include <linux/hashtable.h>

#include <drm/drm_auth.h>
#include <drm/drm_device.h>
#include <drm/drm_file.h>
#include <drm/drm_rect.h>

#include <drm/ttm/ttm_execbuf_util.h>
#include <drm/ttm/ttm_tt.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_bo.h>

#include "ttm_object.h"

#include "vmwgfx_fence.h"
#include "vmwgfx_reg.h"
#include "vmwgfx_validation.h"

/*
 * FIXME: vmwgfx_drm.h needs to be last due to dependencies.
 * uapi headers should not depend on header files outside uapi/.
 */
#include <drm/vmwgfx_drm.h>


#define VMWGFX_DRIVER_NAME
#define VMWGFX_DRIVER_DATE
#define VMWGFX_DRIVER_MAJOR
#define VMWGFX_DRIVER_MINOR
#define VMWGFX_DRIVER_PATCHLEVEL
#define VMWGFX_FIFO_STATIC_SIZE
#define VMWGFX_MAX_DISPLAYS
#define VMWGFX_CMD_BOUNCE_INIT_SIZE

#define VMWGFX_MIN_INITIAL_WIDTH
#define VMWGFX_MIN_INITIAL_HEIGHT

#define VMWGFX_PCI_ID_SVGA2
#define VMWGFX_PCI_ID_SVGA3

/*
 * This has to match get_count_order(SVGA_IRQFLAG_MAX)
 */
#define VMWGFX_MAX_NUM_IRQS

/*
 * Perhaps we should have sysfs entries for these.
 */
#define VMWGFX_NUM_GB_CONTEXT
#define VMWGFX_NUM_GB_SHADER
#define VMWGFX_NUM_GB_SURFACE
#define VMWGFX_NUM_GB_SCREEN_TARGET
#define VMWGFX_NUM_DXCONTEXT
#define VMWGFX_NUM_DXQUERY
#define VMWGFX_NUM_MOB

#define VMW_PL_GMR
#define VMW_PL_MOB
#define VMW_PL_SYSTEM

#define VMW_RES_CONTEXT
#define VMW_RES_SURFACE
#define VMW_RES_STREAM
#define VMW_RES_FENCE
#define VMW_RES_SHADER
#define VMW_RES_HT_ORDER

#define VMW_CURSOR_SNOOP_FORMAT
#define VMW_CURSOR_SNOOP_WIDTH
#define VMW_CURSOR_SNOOP_HEIGHT

#define MKSSTAT_CAPACITY_LOG2
#define MKSSTAT_CAPACITY

struct vmw_fpriv {};

struct vmwgfx_hash_item {};

struct vmw_res_func;

/**
 * struct vmw-resource - base class for hardware resources
 *
 * @kref: For refcounting.
 * @dev_priv: Pointer to the device private for this resource. Immutable.
 * @id: Device id. Protected by @dev_priv::resource_lock.
 * @guest_memory_size: Guest memory buffer size. Immutable.
 * @res_dirty: Resource contains data not yet in the guest memory buffer.
 * Protected by resource reserved.
 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW
 * resource. Protected by resource reserved.
 * @coherent: Emulate coherency by tracking vm accesses.
 * @guest_memory_bo: The guest memory buffer if any. Protected by resource
 * reserved.
 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected
 * by resource reserved. Note that only a few resource types can have a
 * @guest_memory_offset different from zero.
 * @pin_count: The pin count for this resource. A pinned resource has a
 * pin-count greater than zero. It is not on the resource LRU lists and its
 * guest memory buffer is pinned. Hence it can't be evicted.
 * @func: Method vtable for this resource. Immutable.
 * @mob_node; Node for the MOB guest memory rbtree. Protected by
 * @guest_memory_bo reserved.
 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock.
 * @binding_head: List head for the context binding list. Protected by
 * the @dev_priv::binding_mutex
 * @res_free: The resource destructor.
 * @hw_destroy: Callback to destroy the resource on the device, as part of
 * resource destruction.
 */
struct vmw_bo;
struct vmw_bo;
struct vmw_resource_dirty;
struct vmw_resource {};


/*
 * Resources that are managed using ioctls.
 */
enum vmw_res_type {};

/*
 * Resources that are managed using command streams.
 */
enum vmw_cmdbuf_res_type {};

struct vmw_cmdbuf_res_manager;

struct vmw_cursor_snooper {};

struct vmw_framebuffer;
struct vmw_surface_offset;

/**
 * struct vmw_surface_metadata - Metadata describing a surface.
 *
 * @flags: Device flags.
 * @format: Surface SVGA3D_x format.
 * @mip_levels: Mip level for each face. For GB first index is used only.
 * @multisample_count: Sample count.
 * @multisample_pattern: Sample patterns.
 * @quality_level: Quality level.
 * @autogen_filter: Filter for automatically generated mipmaps.
 * @array_size: Number of array elements for a 1D/2D texture. For cubemap
                texture number of faces * array_size. This should be 0 for pre
		SM4 device.
 * @buffer_byte_stride: Buffer byte stride.
 * @num_sizes: Size of @sizes. For GB surface this should always be 1.
 * @base_size: Surface dimension.
 * @sizes: Array representing mip sizes. Legacy only.
 * @scanout: Whether this surface will be used for scanout.
 *
 * This tracks metadata for both legacy and guest backed surface.
 */
struct vmw_surface_metadata {};

/**
 * struct vmw_surface: Resource structure for a surface.
 *
 * @res: The base resource for this surface.
 * @metadata: Metadata for this surface resource.
 * @snooper: Cursor data. Legacy surface only.
 * @offsets: Legacy surface only.
 * @view_list: List of views bound to this surface.
 */
struct vmw_surface {};

struct vmw_fifo_state {};

/**
 * struct vmw_res_cache_entry - resource information cache entry
 * @handle: User-space handle of a resource.
 * @res: Non-ref-counted pointer to the resource.
 * @valid_handle: Whether the @handle member is valid.
 * @valid: Whether the entry is valid, which also implies that the execbuf
 * code holds a reference to the resource, and it's placed on the
 * validation list.
 *
 * Used to avoid frequent repeated user-space handle lookups of the
 * same resource.
 */
struct vmw_res_cache_entry {};

/**
 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings.
 */
enum vmw_dma_map_mode {};

/**
 * struct vmw_sg_table - Scatter/gather table for binding, with additional
 * device-specific information.
 *
 * @sgt: Pointer to a struct sg_table with binding information
 * @num_regions: Number of regions with device-address contiguous pages
 */
struct vmw_sg_table {};

/**
 * struct vmw_piter - Page iterator that iterates over a list of pages
 * and DMA addresses that could be either a scatter-gather list or
 * arrays
 *
 * @pages: Array of page pointers to the pages.
 * @addrs: DMA addresses to the pages if coherent pages are used.
 * @iter: Scatter-gather page iterator. Current position in SG list.
 * @i: Current position in arrays.
 * @num_pages: Number of pages total.
 * @next: Function to advance the iterator. Returns false if past the list
 * of pages, true otherwise.
 * @dma_address: Function to return the DMA address of the current page.
 */
struct vmw_piter {};


struct vmw_ttm_tt {};

/*
 * enum vmw_display_unit_type - Describes the display unit
 */
enum vmw_display_unit_type {};

struct vmw_validation_context;
struct vmw_ctx_validation_info;

/**
 * struct vmw_sw_context - Command submission context
 * @res_ht: Pointer hash table used to find validation duplicates
 * @kernel: Whether the command buffer originates from kernel code rather
 * than from user-space
 * @fp: If @kernel is false, points to the file of the client. Otherwise
 * NULL
 * @cmd_bounce: Command bounce buffer used for command validation before
 * copying to fifo space
 * @cmd_bounce_size: Current command bounce buffer size
 * @cur_query_bo: Current buffer object used as query result buffer
 * @bo_relocations: List of buffer object relocations
 * @res_relocations: List of resource relocations
 * @buf_start: Pointer to start of memory where command validation takes
 * place
 * @res_cache: Cache of recently looked up resources
 * @last_query_ctx: Last context that submitted a query
 * @needs_post_query_barrier: Whether a query barrier is needed after
 * command submission
 * @staged_bindings: Cached per-context binding tracker
 * @staged_bindings_inuse: Whether the cached per-context binding tracker
 * is in use
 * @staged_cmd_res: List of staged command buffer managed resources in this
 * command buffer
 * @ctx_list: List of context resources referenced in this command buffer
 * @dx_ctx_node: Validation metadata of the current DX context
 * @dx_query_mob: The MOB used for DX queries
 * @dx_query_ctx: The DX context used for the last DX query
 * @man: Pointer to the command buffer managed resource manager
 * @ctx: The validation context
 */
struct vmw_sw_context{};

struct vmw_legacy_display;
struct vmw_overlay;

/*
 * struct vmw_otable - Guest Memory OBject table metadata
 *
 * @size:           Size of the table (page-aligned).
 * @page_table:     Pointer to a struct vmw_mob holding the page table.
 */
struct vmw_otable {};

struct vmw_otable_batch {};

enum {};

/**
 * enum vmw_sm_type - Graphics context capability supported by device.
 * @VMW_SM_LEGACY: Pre DX context.
 * @VMW_SM_4: Context support upto SM4.
 * @VMW_SM_4_1: Context support upto SM4_1.
 * @VMW_SM_5: Context support up to SM5.
 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions.
 * @VMW_SM_MAX: Should be the last.
 */
enum vmw_sm_type {};

struct vmw_private {};

static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res)
{}

static inline struct vmw_private *vmw_priv(struct drm_device *dev)
{}

static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev)
{}

static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
{}

/*
 * SVGA v3 has mmio register access and lacks fifo cmds
 */
static inline bool vmw_is_svga_v3(const struct vmw_private *dev)
{}

/*
 * The locking here is fine-grained, so that it is performed once
 * for every read- and write operation. This is of course costly, but we
 * don't perform much register access in the timing critical paths anyway.
 * Instead we have the extra benefit of being sure that we don't forget
 * the hw lock around register accesses.
 */
static inline void vmw_write(struct vmw_private *dev_priv,
			     unsigned int offset, uint32_t value)
{}

static inline uint32_t vmw_read(struct vmw_private *dev_priv,
				unsigned int offset)
{}

/**
 * has_sm4_context - Does the device support SM4 context.
 * @dev_priv: Device private.
 *
 * Return: Bool value if device support SM4 context or not.
 */
static inline bool has_sm4_context(const struct vmw_private *dev_priv)
{}

/**
 * has_sm4_1_context - Does the device support SM4_1 context.
 * @dev_priv: Device private.
 *
 * Return: Bool value if device support SM4_1 context or not.
 */
static inline bool has_sm4_1_context(const struct vmw_private *dev_priv)
{}

/**
 * has_sm5_context - Does the device support SM5 context.
 * @dev_priv: Device private.
 *
 * Return: Bool value if device support SM5 context or not.
 */
static inline bool has_sm5_context(const struct vmw_private *dev_priv)
{}

/**
 * has_gl43_context - Does the device support GL43 context.
 * @dev_priv: Device private.
 *
 * Return: Bool value if device support SM5 context or not.
 */
static inline bool has_gl43_context(const struct vmw_private *dev_priv)
{}


static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv)
{}

extern void vmw_svga_enable(struct vmw_private *dev_priv);
extern void vmw_svga_disable(struct vmw_private *dev_priv);
bool vmwgfx_supported(struct vmw_private *vmw);


/**
 * GMR utilities - vmwgfx_gmr.c
 */

extern int vmw_gmr_bind(struct vmw_private *dev_priv,
			const struct vmw_sg_table *vsgt,
			unsigned long num_pages,
			int gmr_id);
extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);

/**
 * User handles
 */
struct vmw_user_object {};

int vmw_user_object_lookup(struct vmw_private *dev_priv, struct drm_file *filp,
			   u32 handle, struct vmw_user_object *uo);
struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo);
void vmw_user_object_unref(struct vmw_user_object *uo);
bool vmw_user_object_is_null(struct vmw_user_object *uo);
struct vmw_surface *vmw_user_object_surface(struct vmw_user_object *uo);
struct vmw_bo *vmw_user_object_buffer(struct vmw_user_object *uo);
void *vmw_user_object_map(struct vmw_user_object *uo);
void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size);
void vmw_user_object_unmap(struct vmw_user_object *uo);
bool vmw_user_object_is_mapped(struct vmw_user_object *uo);

/**
 * Resource utilities - vmwgfx_resource.c
 */
struct vmw_user_resource_conv;

extern void vmw_resource_unreference(struct vmw_resource **p_res);
extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
extern struct vmw_resource *
vmw_resource_reference_unless_doomed(struct vmw_resource *res);
extern int vmw_resource_validate(struct vmw_resource *res, bool intr,
				 bool dirtying);
extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible,
				bool no_backup);
extern bool vmw_resource_needs_backup(const struct vmw_resource *res);
extern int vmw_user_resource_lookup_handle(
	struct vmw_private *dev_priv,
	struct ttm_object_file *tfile,
	uint32_t handle,
	const struct vmw_user_resource_conv *converter,
	struct vmw_resource **p_res);

extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv);
extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file_priv);
extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
				  struct ttm_object_file *tfile,
				  uint32_t *inout_id,
				  struct vmw_resource **out);
extern void vmw_resource_unreserve(struct vmw_resource *res,
				   bool dirty_set,
				   bool dirty,
				   bool switch_guest_memory,
				   struct vmw_bo *new_guest_memory,
				   unsigned long new_guest_memory_offset);
extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
				  struct ttm_resource *old_mem,
				  struct ttm_resource *new_mem);
int vmw_query_readback_all(struct vmw_bo *dx_query_mob);
void vmw_resource_evict_all(struct vmw_private *dev_priv);
void vmw_resource_unbind_list(struct vmw_bo *vbo);
void vmw_resource_mob_attach(struct vmw_resource *res);
void vmw_resource_mob_detach(struct vmw_resource *res);
void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start,
			       pgoff_t end);
int vmw_resource_clean(struct vmw_resource *res);
int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start,
			pgoff_t end, pgoff_t *num_prefault);

/**
 * vmw_resource_mob_attached - Whether a resource currently has a mob attached
 * @res: The resource
 *
 * Return: true if the resource has a mob attached, false otherwise.
 */
static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
{}

/**
 * GEM related functionality - vmwgfx_gem.c
 */
struct vmw_bo_params;
int vmw_gem_object_create(struct vmw_private *vmw,
			  struct vmw_bo_params *params,
			  struct vmw_bo **p_vbo);
extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv,
					     struct drm_file *filp,
					     uint32_t size,
					     uint32_t *handle,
					     struct vmw_bo **p_vbo);
extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
				       struct drm_file *filp);
extern void vmw_debugfs_gem_init(struct vmw_private *vdev);

/**
 * Misc Ioctl functionality - vmwgfx_ioctl.c
 */

extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *file_priv);
extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);
extern int vmw_present_ioctl(struct drm_device *dev, void *data,
			     struct drm_file *file_priv);
extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
				      struct drm_file *file_priv);

/**
 * Fifo utilities - vmwgfx_fifo.c
 */

extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv);
extern void vmw_fifo_destroy(struct vmw_private *dev_priv);
extern bool vmw_cmd_supported(struct vmw_private *vmw);
extern void *
vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id);
extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes);
extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes);
extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno);
extern bool vmw_supports_3d(struct vmw_private *dev_priv);
extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv);
extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
				    uint32_t cid);
extern int vmw_cmd_flush(struct vmw_private *dev_priv,
			 bool interruptible);

#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id)

#define VMW_CMD_RESERVE(__priv, __bytes)


/**
 * vmw_fifo_caps - Returns the capabilities of the FIFO command
 * queue or 0 if fifo memory isn't present.
 * @dev_priv: The device private context
 */
static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv)
{}


/**
 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3
 * is enabled in the FIFO.
 * @dev_priv: The device private context
 */
static inline bool
vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
{}

/**
 * TTM buffer object driver - vmwgfx_ttm_buffer.c
 */

extern const size_t vmw_tt_size;
extern struct ttm_placement vmw_vram_placement;
extern struct ttm_placement vmw_sys_placement;
extern struct ttm_device_funcs vmw_bo_driver;
extern const struct vmw_sg_table *
vmw_bo_sg_table(struct ttm_buffer_object *bo);
int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
			       size_t bo_size,
			       u32 domain,
			       struct vmw_bo **bo_p);

extern void vmw_piter_start(struct vmw_piter *viter,
			    const struct vmw_sg_table *vsgt,
			    unsigned long p_offs);

/**
 * vmw_piter_next - Advance the iterator one page.
 *
 * @viter: Pointer to the iterator to advance.
 *
 * Returns false if past the list of pages, true otherwise.
 */
static inline bool vmw_piter_next(struct vmw_piter *viter)
{}

/**
 * vmw_piter_dma_addr - Return the DMA address of the current page.
 *
 * @viter: Pointer to the iterator
 *
 * Returns the DMA address of the page pointed to by @viter.
 */
static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter)
{}

/**
 * vmw_piter_page - Return a pointer to the current page.
 *
 * @viter: Pointer to the iterator
 *
 * Returns the DMA address of the page pointed to by @viter.
 */
static inline struct page *vmw_piter_page(struct vmw_piter *viter)
{}

/**
 * Command submission - vmwgfx_execbuf.c
 */

extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
			     struct drm_file *file_priv);
extern int vmw_execbuf_process(struct drm_file *file_priv,
			       struct vmw_private *dev_priv,
			       void __user *user_commands,
			       void *kernel_commands,
			       uint32_t command_size,
			       uint64_t throttle_us,
			       uint32_t dx_context_handle,
			       struct drm_vmw_fence_rep __user
			       *user_fence_rep,
			       struct vmw_fence_obj **out_fence,
			       uint32_t flags);
extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
					    struct vmw_fence_obj *fence);
extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv);

extern int vmw_execbuf_fence_commands(struct drm_file *file_priv,
				      struct vmw_private *dev_priv,
				      struct vmw_fence_obj **p_fence,
				      uint32_t *p_handle);
extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
					struct vmw_fpriv *vmw_fp,
					int ret,
					struct drm_vmw_fence_rep __user
					*user_fence_rep,
					struct vmw_fence_obj *fence,
					uint32_t fence_handle,
					int32_t out_fence_fd);
bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd);

/**
 * IRQs and wating - vmwgfx_irq.c
 */

extern int vmw_irq_install(struct vmw_private *dev_priv);
extern void vmw_irq_uninstall(struct drm_device *dev);
extern bool vmw_seqno_passed(struct vmw_private *dev_priv,
				uint32_t seqno);
extern int vmw_fallback_wait(struct vmw_private *dev_priv,
			     bool lazy,
			     bool fifo_idle,
			     uint32_t seqno,
			     bool interruptible,
			     unsigned long timeout);
extern void vmw_update_seqno(struct vmw_private *dev_priv);
extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv);
extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv);
extern void vmw_goal_waiter_add(struct vmw_private *dev_priv);
extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv);
extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag,
				   int *waiter_count);
extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
				      u32 flag, int *waiter_count);

/**
 * Kernel modesetting - vmwgfx_kms.c
 */

int vmw_kms_init(struct vmw_private *dev_priv);
int vmw_kms_close(struct vmw_private *dev_priv);
int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);
void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
void vmw_kms_cursor_snoop(struct vmw_surface *srf,
			  struct ttm_object_file *tfile,
			  struct ttm_buffer_object *bo,
			  SVGA3dCmdHeader *header);
int vmw_kms_write_svga(struct vmw_private *vmw_priv,
		       unsigned width, unsigned height, unsigned pitch,
		       unsigned bpp, unsigned depth);
int vmw_kms_present(struct vmw_private *dev_priv,
		    struct drm_file *file_priv,
		    struct vmw_framebuffer *vfb,
		    struct vmw_surface *surface,
		    uint32_t sid, int32_t destX, int32_t destY,
		    struct drm_vmw_rect *clips,
		    uint32_t num_clips);
int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);
void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
int vmw_kms_suspend(struct drm_device *dev);
int vmw_kms_resume(struct drm_device *dev);
void vmw_kms_lost_device(struct drm_device *dev);

extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible);
extern void vmw_resource_unpin(struct vmw_resource *res);
extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res);

/**
 * Overlay control - vmwgfx_overlay.c
 */

int vmw_overlay_init(struct vmw_private *dev_priv);
int vmw_overlay_close(struct vmw_private *dev_priv);
int vmw_overlay_ioctl(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
int vmw_overlay_resume_all(struct vmw_private *dev_priv);
int vmw_overlay_pause_all(struct vmw_private *dev_priv);
int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);

/**
 * GMR Id manager
 */

int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type);
void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type);

/**
 * System memory manager
 */
int vmw_sys_man_init(struct vmw_private *dev_priv);
void vmw_sys_man_fini(struct vmw_private *dev_priv);

/**
 * Prime - vmwgfx_prime.c
 */

extern const struct dma_buf_ops vmw_prime_dmabuf_ops;
extern int vmw_prime_fd_to_handle(struct drm_device *dev,
				  struct drm_file *file_priv,
				  int fd, u32 *handle);
extern int vmw_prime_handle_to_fd(struct drm_device *dev,
				  struct drm_file *file_priv,
				  uint32_t handle, uint32_t flags,
				  int *prime_fd);
struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
						 struct dma_buf_attachment *attach,
						 struct sg_table *table);

/*
 * MemoryOBject management -  vmwgfx_mob.c
 */
struct vmw_mob;
extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob,
			const struct vmw_sg_table *vsgt,
			unsigned long num_data_pages, int32_t mob_id);
extern void vmw_mob_unbind(struct vmw_private *dev_priv,
			   struct vmw_mob *mob);
extern void vmw_mob_destroy(struct vmw_mob *mob);
extern struct vmw_mob *vmw_mob_create(unsigned long data_pages);
extern int vmw_otables_setup(struct vmw_private *dev_priv);
extern void vmw_otables_takedown(struct vmw_private *dev_priv);

/*
 * Context management - vmwgfx_context.c
 */

extern const struct vmw_user_resource_conv *user_context_converter;

extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data,
					     struct drm_file *file_priv);
extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
				     struct drm_file *file_priv);
extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx);
extern struct vmw_cmdbuf_res_manager *
vmw_context_res_man(struct vmw_resource *ctx);
extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx,
						SVGACOTableType cotable_type);
struct vmw_ctx_binding_state;
extern struct vmw_ctx_binding_state *
vmw_context_binding_state(struct vmw_resource *ctx);
extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx,
					  bool readback);
extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res,
				     struct vmw_bo *mob);
extern struct vmw_bo *
vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res);


/*
 * Surface management - vmwgfx_surface.c
 */

extern const struct vmw_user_resource_conv *user_surface_converter;

extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
				     struct drm_file *file_priv);
extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
				       struct drm_file *file_priv);
extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
				       struct drm_file *file_priv);
extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
					  struct drm_file *file_priv);
extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
					   void *data,
					   struct drm_file *file_priv);
extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
					      void *data,
					      struct drm_file *file_priv);

int vmw_gb_surface_define(struct vmw_private *dev_priv,
			  const struct vmw_surface_metadata *req,
			  struct vmw_surface **srf_out);
struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw,
						  struct vmw_bo *bo,
						  u32 handle);
u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw,
					 struct vmw_bo *bo,
					 u32 handle);
int vmw_dumb_create(struct drm_file *file_priv,
		    struct drm_device *dev,
		    struct drm_mode_create_dumb *args);

/*
 * Shader management - vmwgfx_shader.c
 */

extern const struct vmw_user_resource_conv *user_shader_converter;

extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data,
				   struct drm_file *file_priv);
extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
extern int vmw_compat_shader_add(struct vmw_private *dev_priv,
				 struct vmw_cmdbuf_res_manager *man,
				 u32 user_key, const void *bytecode,
				 SVGA3dShaderType shader_type,
				 size_t size,
				 struct list_head *list);
extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man,
			     u32 user_key, SVGA3dShaderType shader_type,
			     struct list_head *list);
extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
			     struct vmw_resource *ctx,
			     u32 user_key,
			     SVGA3dShaderType shader_type,
			     struct list_head *list);
extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv,
					     struct list_head *list,
					     bool readback);

extern struct vmw_resource *
vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man,
		  u32 user_key, SVGA3dShaderType shader_type);

/*
 * Streamoutput management
 */
struct vmw_resource *
vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man,
			   u32 user_key);
int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man,
			    struct vmw_resource *ctx,
			    SVGA3dStreamOutputId user_key,
			    struct list_head *list);
void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size);
int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man,
			       SVGA3dStreamOutputId user_key,
			       struct list_head *list);
void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv,
					    struct list_head *list,
					    bool readback);

/*
 * Command buffer managed resources - vmwgfx_cmdbuf_res.c
 */

extern struct vmw_cmdbuf_res_manager *
vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv);
extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man);
extern struct vmw_resource *
vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man,
		      enum vmw_cmdbuf_res_type res_type,
		      u32 user_key);
extern void vmw_cmdbuf_res_revert(struct list_head *list);
extern void vmw_cmdbuf_res_commit(struct list_head *list);
extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
			      enum vmw_cmdbuf_res_type res_type,
			      u32 user_key,
			      struct vmw_resource *res,
			      struct list_head *list);
extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man,
				 enum vmw_cmdbuf_res_type res_type,
				 u32 user_key,
				 struct list_head *list,
				 struct vmw_resource **res);

/*
 * COTable management - vmwgfx_cotable.c
 */
extern const SVGACOTableType vmw_cotable_scrub_order[];
extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
					      struct vmw_resource *ctx,
					      u32 type);
extern int vmw_cotable_notify(struct vmw_resource *res, int id);
extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback);
extern void vmw_cotable_add_resource(struct vmw_resource *ctx,
				     struct list_head *head);

/*
 * Command buffer managerment vmwgfx_cmdbuf.c
 */
struct vmw_cmdbuf_man;
struct vmw_cmdbuf_header;

extern struct vmw_cmdbuf_man *
vmw_cmdbuf_man_create(struct vmw_private *dev_priv);
extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size);
extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man);
extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man);
extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible,
			   unsigned long timeout);
extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size,
				int ctx_id, bool interruptible,
				struct vmw_cmdbuf_header *header);
extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size,
			      struct vmw_cmdbuf_header *header,
			      bool flush);
extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man,
			      size_t size, bool interruptible,
			      struct vmw_cmdbuf_header **p_header);
extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header);
extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man,
				bool interruptible);
extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man);

/* CPU blit utilities - vmwgfx_blit.c */

/**
 * struct vmw_diff_cpy - CPU blit information structure
 *
 * @rect: The output bounding box rectangle.
 * @line: The current line of the blit.
 * @line_offset: Offset of the current line segment.
 * @cpp: Bytes per pixel (granularity information).
 * @memcpy: Which memcpy function to use.
 */
struct vmw_diff_cpy {};

#define VMW_CPU_BLIT_INITIALIZER

#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp)

void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src,
		     size_t n);

void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n);

int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
		    u32 dst_offset, u32 dst_stride,
		    struct ttm_buffer_object *src,
		    u32 src_offset, u32 src_stride,
		    u32 w, u32 h,
		    struct vmw_diff_cpy *diff);

/* Host messaging -vmwgfx_msg.c: */
void vmw_disable_backdoor(void);
int vmw_host_get_guestinfo(const char *guest_info_param,
			   char *buffer, size_t *length);
__printf(1, 2) int vmw_host_printf(const char *fmt, ...);
int vmw_msg_ioctl(struct drm_device *dev, void *data,
		  struct drm_file *file_priv);

/* Host mksGuestStats -vmwgfx_msg.c: */
int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv);

int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
int vmw_mksstat_remove_all(struct vmw_private *dev_priv);

/* VMW logging */

/**
 * VMW_DEBUG_USER - Debug output for user-space debugging.
 *
 * @fmt: printf() like format string.
 *
 * This macro is for logging user-space error and debugging messages for e.g.
 * command buffer execution errors due to malformed commands, invalid context,
 * etc.
 */
#define VMW_DEBUG_USER(fmt, ...)

/* Resource dirtying - vmwgfx_page_dirty.c */
void vmw_bo_dirty_scan(struct vmw_bo *vbo);
int vmw_bo_dirty_add(struct vmw_bo *vbo);
void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res);
void vmw_bo_dirty_clear_res(struct vmw_resource *res);
void vmw_bo_dirty_release(struct vmw_bo *vbo);
void vmw_bo_dirty_unmap(struct vmw_bo *vbo,
			pgoff_t start, pgoff_t end);
vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf);
vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf);


/**
 * VMW_DEBUG_KMS - Debug output for kernel mode-setting
 *
 * This macro is for debugging vmwgfx mode-setting code.
 */
#define VMW_DEBUG_KMS(fmt, ...)

/**
 * Inline helper functions
 */

static inline void vmw_surface_unreference(struct vmw_surface **srf)
{}

static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
{}

static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv)
{}

static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv)
{}

/**
 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory
 *
 * @fifo_reg: The fifo register to read from
 *
 * This function is intended to be equivalent to ioread32() on
 * memremap'd memory, but without byteswapping.
 */
static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg)
{}

/**
 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory
 *
 * @addr: The fifo register to write to
 *
 * This function is intended to be equivalent to iowrite32 on
 * memremap'd memory, but without byteswapping.
 */
static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg,
				      u32 value)
{}

static inline u32 vmw_fence_read(struct vmw_private *dev_priv)
{}

static inline void vmw_fence_write(struct vmw_private *dev_priv,
				  u32 fence)
{}

static inline u32 vmw_irq_status_read(struct vmw_private *vmw)
{}

static inline void vmw_irq_status_write(struct vmw_private *vmw,
					uint32 status)
{}

static inline bool vmw_has_fences(struct vmw_private *vmw)
{}

static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model,
					   u32 shader_type)
{}

#endif