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