linux_dsm_epyc7002/drivers/gpu/drm/vboxvideo/vboxvideo_guest.h
Hans de Goede 131abc56e1 drm/vboxvideo: Move the vboxvideo driver out of staging
The vboxvideo driver has been converted to the atomic modesetting API
and all FIXME and TODO items have been fixed, so it is time to move it out
of staging.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190304164724.10210-4-hdegoede@redhat.com
2019-03-11 17:31:15 +01:00

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2.3 KiB
C

/* SPDX-License-Identifier: MIT */
/* Copyright (C) 2006-2016 Oracle Corporation */
#ifndef __VBOXVIDEO_GUEST_H__
#define __VBOXVIDEO_GUEST_H__
#include <linux/genalloc.h>
#include "vboxvideo.h"
/*
* Structure grouping the context needed for sending graphics acceleration
* information to the host via VBVA. Each screen has its own VBVA buffer.
*/
struct vbva_buf_ctx {
/* Offset of the buffer in the VRAM section for the screen */
u32 buffer_offset;
/* Length of the buffer in bytes */
u32 buffer_length;
/* Set if we wrote to the buffer faster than the host could read it */
bool buffer_overflow;
/* VBVA record that we are currently preparing for the host, or NULL */
struct vbva_record *record;
/*
* Pointer to the VBVA buffer mapped into the current address space.
* Will be NULL if VBVA is not enabled.
*/
struct vbva_buffer *vbva;
};
int hgsmi_report_flags_location(struct gen_pool *ctx, u32 location);
int hgsmi_send_caps_info(struct gen_pool *ctx, u32 caps);
int hgsmi_test_query_conf(struct gen_pool *ctx);
int hgsmi_query_conf(struct gen_pool *ctx, u32 index, u32 *value_ret);
int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags,
u32 hot_x, u32 hot_y, u32 width, u32 height,
u8 *pixels, u32 len);
int hgsmi_cursor_position(struct gen_pool *ctx, bool report_position,
u32 x, u32 y, u32 *x_host, u32 *y_host);
bool vbva_enable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
struct vbva_buffer *vbva, s32 screen);
void vbva_disable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
s32 screen);
bool vbva_buffer_begin_update(struct vbva_buf_ctx *vbva_ctx,
struct gen_pool *ctx);
void vbva_buffer_end_update(struct vbva_buf_ctx *vbva_ctx);
bool vbva_write(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
const void *p, u32 len);
void vbva_setup_buffer_context(struct vbva_buf_ctx *vbva_ctx,
u32 buffer_offset, u32 buffer_length);
void hgsmi_process_display_info(struct gen_pool *ctx, u32 display,
s32 origin_x, s32 origin_y, u32 start_offset,
u32 pitch, u32 width, u32 height,
u16 bpp, u16 flags);
int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y,
u32 width, u32 height);
int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens,
struct vbva_modehint *hints);
#endif