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/* $Id: HGSMIMemAlloc.h $ */
/*
* Copyright (C) 2017-2023 Oracle and/or its affiliates.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/* In builds inside of the VirtualBox source tree we override the default
* HGSMIMemAlloc.h using -include, therefore this define must match the one
* there. */
#ifndef VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h
#define VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "HGSMIDefs.h"
#include "VBoxVideoIPRT.h"
#define HGSMI_MA_DESC_ORDER_BASE UINT32_C(5)
#define HGSMI_MA_BLOCK_SIZE_MIN (UINT32_C(1) << (HGSMI_MA_DESC_ORDER_BASE + 0))
typedef struct HGSMIMADATA
{
HGSMIAREA area;
bool fAllocated;
} HGSMIMADATA;
RT_C_DECLS_BEGIN
int HGSMIMAInit(HGSMIMADATA *pMA, const HGSMIAREA *pArea,
HGSMIOFFSET *paDescriptors, uint32_t cDescriptors,
HGSMISIZE cbMaxBlock, const HGSMIENV *pEnv);
void HGSMIMAUninit(HGSMIMADATA *pMA);
void RT_UNTRUSTED_VOLATILE_GUEST *HGSMIMAAlloc(HGSMIMADATA *pMA, HGSMISIZE cb);
void HGSMIMAFree(HGSMIMADATA *pMA, void RT_UNTRUSTED_VOLATILE_GUEST *pv);
RT_C_DECLS_END
#endif /* !VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h */
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