| 1 | /* $Id: HGSMIMemAlloc.h 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /*
|
|---|
| 3 | * Copyright (C) 2017-2020 Oracle Corporation
|
|---|
| 4 | *
|
|---|
| 5 | * Permission is hereby granted, free of charge, to any person
|
|---|
| 6 | * obtaining a copy of this software and associated documentation
|
|---|
| 7 | * files (the "Software"), to deal in the Software without
|
|---|
| 8 | * restriction, including without limitation the rights to use,
|
|---|
| 9 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|---|
| 10 | * copies of the Software, and to permit persons to whom the
|
|---|
| 11 | * Software is furnished to do so, subject to the following
|
|---|
| 12 | * conditions:
|
|---|
| 13 | *
|
|---|
| 14 | * The above copyright notice and this permission notice shall be
|
|---|
| 15 | * included in all copies or substantial portions of the Software.
|
|---|
| 16 | *
|
|---|
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|---|
| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|---|
| 20 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|---|
| 21 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|---|
| 22 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|---|
| 23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|---|
| 24 | * OTHER DEALINGS IN THE SOFTWARE.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /* In builds inside of the VirtualBox source tree we override the default
|
|---|
| 29 | * HGSMIMemAlloc.h using -include, therefore this define must match the one
|
|---|
| 30 | * there. */
|
|---|
| 31 |
|
|---|
| 32 | #ifndef VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h
|
|---|
| 33 | #define VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h
|
|---|
| 34 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 35 | # pragma once
|
|---|
| 36 | #endif
|
|---|
| 37 |
|
|---|
| 38 | #include "HGSMIDefs.h"
|
|---|
| 39 | #include "VBoxVideoIPRT.h"
|
|---|
| 40 |
|
|---|
| 41 | #define HGSMI_MA_DESC_ORDER_BASE UINT32_C(5)
|
|---|
| 42 |
|
|---|
| 43 | #define HGSMI_MA_BLOCK_SIZE_MIN (UINT32_C(1) << (HGSMI_MA_DESC_ORDER_BASE + 0))
|
|---|
| 44 |
|
|---|
| 45 | typedef struct HGSMIMADATA
|
|---|
| 46 | {
|
|---|
| 47 | HGSMIAREA area;
|
|---|
| 48 | bool fAllocated;
|
|---|
| 49 | } HGSMIMADATA;
|
|---|
| 50 |
|
|---|
| 51 | RT_C_DECLS_BEGIN
|
|---|
| 52 |
|
|---|
| 53 | int HGSMIMAInit(HGSMIMADATA *pMA, const HGSMIAREA *pArea,
|
|---|
| 54 | HGSMIOFFSET *paDescriptors, uint32_t cDescriptors,
|
|---|
| 55 | HGSMISIZE cbMaxBlock, const HGSMIENV *pEnv);
|
|---|
| 56 | void HGSMIMAUninit(HGSMIMADATA *pMA);
|
|---|
| 57 |
|
|---|
| 58 | void RT_UNTRUSTED_VOLATILE_GUEST *HGSMIMAAlloc(HGSMIMADATA *pMA, HGSMISIZE cb);
|
|---|
| 59 | void HGSMIMAFree(HGSMIMADATA *pMA, void RT_UNTRUSTED_VOLATILE_GUEST *pv);
|
|---|
| 60 |
|
|---|
| 61 | RT_C_DECLS_END
|
|---|
| 62 |
|
|---|
| 63 | #endif /* !VBOX_INCLUDED_Graphics_HGSMIMemAlloc_h */
|
|---|
