VirtualBox

source: vbox/trunk/src/VBox/Additions/common/VBoxGuest/lib/VbglR0CanUsePhysPageList.cpp@ 96407

Last change on this file since 96407 was 96407, checked in by vboxsync, 2 years ago

scm copyright and license note update

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.0 KB
Line 
1/* $Id: VbglR0CanUsePhysPageList.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2/** @file
3 * VBoxGuestLibR0 - Physical memory heap.
4 */
5
6/*
7 * Copyright (C) 2006-2022 Oracle and/or its affiliates.
8 *
9 * Permission is hereby granted, free of charge, to any person
10 * obtaining a copy of this software and associated documentation
11 * files (the "Software"), to deal in the Software without
12 * restriction, including without limitation the rights to use,
13 * copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following
16 * conditions:
17 *
18 * The above copyright notice and this permission notice shall be
19 * included in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31
32/*********************************************************************************************************************************
33* Header Files *
34*********************************************************************************************************************************/
35#include "VBoxGuestR0LibInternal.h"
36
37
38/**
39 * Checks whether the host supports physical page lists or not.
40 *
41 * @returns true if it does, false if it doesn't.
42 */
43DECLR0VBGL(bool) VbglR0CanUsePhysPageList(void)
44{
45 /* a_fLocked is false, because the actual capability of the host is requested.
46 * See VBGLR0_CAN_USE_PHYS_PAGE_LIST definition.
47 */
48 int rc = vbglR0Enter();
49 return RT_SUCCESS(rc)
50 && VBGLR0_CAN_USE_PHYS_PAGE_LIST(/*a_fLocked =*/ false);
51}
52
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette