LookingGlass/host/IVSHMEM.h

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/*
KVMGFX Client - A KVM Client for VGA Passthrough
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#define W32_LEAN_AND_MEAN
#include <Windows.h>
#include <stdbool.h>
class IVSHMEM
{
public:
static IVSHMEM * Get()
{
if (!m_instance)
m_instance = new IVSHMEM();
return m_instance;
}
bool Initialize();
void DeInitialize();
bool IsInitialized();
UINT64 GetSize();
UINT16 GetPeerID();
UINT16 GetVectors();
void * GetMemory();
HANDLE CreateVectorEvent(UINT16 vector);
bool RingDoorbell(UINT16 peerID, UINT16 door);
protected:
private:
static IVSHMEM * m_instance;
IVSHMEM();
~IVSHMEM();
bool m_initialized;
HANDLE m_handle;
UINT64 m_size ; bool m_gotSize ;
UINT16 m_peerID ; bool m_gotPeerID;
void * m_memory ; bool m_gotMemory;
UINT16 m_vectors; bool m_gotVectors;
};