ladybird/Kernel/Devices/VMWareBackdoor.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

63 lines
1.1 KiB
C++

/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <AK/Types.h>
#include <AK/kmalloc.h>
#include <Kernel/API/MousePacket.h>
namespace Kernel {
#define VMMOUSE_GETVERSION 10
#define VMMOUSE_DATA 39
#define VMMOUSE_STATUS 40
#define VMMOUSE_COMMAND 41
struct VMWareCommand {
union {
u32 ax;
u32 magic;
};
union {
u32 bx;
u32 size;
};
union {
u32 cx;
u32 command;
};
union {
u32 dx;
u32 port;
};
u32 si;
u32 di;
};
class VMWareBackdoor {
AK_MAKE_ETERNAL;
public:
VMWareBackdoor();
static VMWareBackdoor* the();
bool vmmouse_is_absolute() const;
void enable_absolute_vmmouse();
void disable_absolute_vmmouse();
void send(VMWareCommand& command);
Optional<MousePacket> receive_mouse_packet();
private:
void send_high_bandwidth(VMWareCommand& command);
void get_high_bandwidth(VMWareCommand& command);
bool detect_vmmouse();
bool m_vmmouse_absolute { false };
};
}