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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h b/src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h new file mode 100644 index 00000000..7c8212a0 --- /dev/null +++ b/src/VBox/Additions/x11/vboxvideo/HGSMIMemAlloc.h @@ -0,0 +1,63 @@ +/* $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 */ |