/* $Id: HGSMIMemAlloc.h 96407 2022-08-22 17:43:14Z vboxsync $ */ /* * Copyright (C) 2017-2022 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 */