33 lines
853 B
C
33 lines
853 B
C
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/* SPDX-License-Identifier: MIT */
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/* Copyright (C) 2006-2017 Oracle Corporation */
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#ifndef __HGSMI_CH_SETUP_H__
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#define __HGSMI_CH_SETUP_H__
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/*
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* Tell the host the location of hgsmi_host_flags structure, where the host
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* can write information about pending buffers, etc, and which can be quickly
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* polled by the guest without a need to port IO.
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*/
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#define HGSMI_CC_HOST_FLAGS_LOCATION 0
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struct hgsmi_buffer_location {
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u32 buf_location;
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u32 buf_len;
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} __packed;
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/* HGSMI setup and configuration data structures. */
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#define HGSMIHOSTFLAGS_COMMANDS_PENDING 0x01u
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#define HGSMIHOSTFLAGS_IRQ 0x02u
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#define HGSMIHOSTFLAGS_VSYNC 0x10u
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#define HGSMIHOSTFLAGS_HOTPLUG 0x20u
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#define HGSMIHOSTFLAGS_CURSOR_CAPABILITIES 0x40u
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struct hgsmi_host_flags {
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u32 host_flags;
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u32 reserved[3];
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} __packed;
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#endif
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