1/* $Id: HGSMIMemAlloc.h,v 1.1.1.1 2019/01/09 23:50:31 mrg Exp $ */
2/*
3 * Copyright (C) 2017 Oracle Corporation
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24
25/* In builds inside of the VirtualBox source tree we override the default
26 * HGSMIMemAlloc.h using -include, therefore this define must match the one
27 * there. */
28#ifndef ___VBox_Graphics_HGSMIMemAlloc_h
29#define ___VBox_Graphics_HGSMIMemAlloc_h
30
31#include "HGSMIDefs.h"
32#include "VBoxVideoIPRT.h"
33
34#define HGSMI_MA_DESC_ORDER_BASE UINT32_C(5)
35
36#define HGSMI_MA_BLOCK_SIZE_MIN (UINT32_C(1) << (HGSMI_MA_DESC_ORDER_BASE + 0))
37
38typedef struct HGSMIMADATA
39{
40    HGSMIAREA area;
41    bool fAllocated;
42} HGSMIMADATA;
43
44RT_C_DECLS_BEGIN
45
46int HGSMIMAInit(HGSMIMADATA *pMA, const HGSMIAREA *pArea,
47                HGSMIOFFSET *paDescriptors, uint32_t cDescriptors, HGSMISIZE cbMaxBlock,
48                const HGSMIENV *pEnv);
49void HGSMIMAUninit(HGSMIMADATA *pMA);
50
51void *HGSMIMAAlloc(HGSMIMADATA *pMA, HGSMISIZE cb);
52void HGSMIMAFree(HGSMIMADATA *pMA, void *pv);
53
54RT_C_DECLS_END
55
56#endif /* !___VBox_Graphics_HGSMIMemAlloc_h */
57