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