| 1 | /* $Id: VBoxGuestR3LibMisc.cpp 33540 2010-10-28 09:27:05Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Misc.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2010 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include <VBox/log.h>
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| 32 | #include "VBGLR3Internal.h"
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| 33 |
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| 34 |
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| 35 | /**
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| 36 | * Change the IRQ filter mask.
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| 37 | *
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| 38 | * @returns IPRT status code.
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| 39 | * @param fOr The OR mask.
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| 40 | * @param fNo The NOT mask.
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| 41 | */
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| 42 | VBGLR3DECL(int) VbglR3CtlFilterMask(uint32_t fOr, uint32_t fNot)
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| 43 | {
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| 44 | VBoxGuestFilterMaskInfo Info;
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| 45 | Info.u32OrMask = fOr;
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| 46 | Info.u32NotMask = fNot;
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| 47 | return vbglR3DoIOCtl(VBOXGUEST_IOCTL_CTL_FILTER_MASK, &Info, sizeof(Info));
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| 48 | }
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| 49 |
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| 50 |
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| 51 | /**
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| 52 | * Report a change in the capabilities that we support to the host.
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| 53 | *
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| 54 | * @returns IPRT status code.
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| 55 | * @param fOr Capabilities which have been added.
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| 56 | * @param fNot Capabilities which have been removed.
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| 57 | *
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| 58 | * @todo Move to a different file.
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| 59 | */
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| 60 | VBGLR3DECL(int) VbglR3SetGuestCaps(uint32_t fOr, uint32_t fNot)
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| 61 | {
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| 62 | VMMDevReqGuestCapabilities2 Req;
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| 63 |
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| 64 | vmmdevInitRequest(&Req.header, VMMDevReq_SetGuestCapabilities);
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| 65 | Req.u32OrMask = fOr;
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| 66 | Req.u32NotMask = fNot;
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| 67 | int rc = vbglR3GRPerform(&Req.header);
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| 68 | #if defined(DEBUG)
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| 69 | if (RT_SUCCESS(rc))
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| 70 | LogRel(("Successfully changed guest capabilities: or mask 0x%x, not mask 0x%x.\n", fOr, fNot));
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| 71 | else
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| 72 | LogRel(("Failed to change guest capabilities: or mask 0x%x, not mask 0x%x. rc=%Rrc.\n", fOr, fNot, rc));
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| 73 | #endif
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| 74 | return rc;
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| 75 | }
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| 76 |
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| 77 |
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| 78 | /**
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| 79 | * Query the session ID of this VM.
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| 80 | *
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| 81 | * The session id is an unique identifier that gets changed for each VM start,
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| 82 | * reset or restore. Useful for detection a VM restore.
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| 83 | *
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| 84 | * @returns IPRT status code.
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| 85 | * @param pu64IdSession Session id (out). This is NOT changed on
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| 86 | * failure, so the caller can depend on this to
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| 87 | * deal with backward compatibility (see
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| 88 | * VBoxServiceVMInfoWorker() for an example.)
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| 89 | */
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| 90 | VBGLR3DECL(int) VbglR3GetSessionId(uint64_t *pu64IdSession)
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| 91 | {
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| 92 | VMMDevReqSessionId Req;
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| 93 |
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| 94 | vmmdevInitRequest(&Req.header, VMMDevReq_GetSessionId);
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| 95 | Req.idSession = 0;
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| 96 | int rc = vbglR3GRPerform(&Req.header);
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| 97 | if (RT_SUCCESS(rc))
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| 98 | *pu64IdSession = Req.idSession;
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| 99 |
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| 100 | return rc;
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| 101 | }
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