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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibVMMDev.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibVMMDev.cpp b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibVMMDev.cpp new file mode 100644 index 00000000..5909fd2c --- /dev/null +++ b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibVMMDev.cpp @@ -0,0 +1,51 @@ +/* $Id: VBoxGuestR0LibVMMDev.cpp $ */ +/** @file + * VBoxGuestLibR0 - VMMDev device related functions. + */ + +/* + * Copyright (C) 2006-2023 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. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "VBoxGuestR0LibInternal.h" + + +DECLVBGL(int) VbglR0QueryVMMDevMemory(VMMDevMemory **ppVMMDevMemory) +{ + int rc = vbglR0Enter(); + if (RT_FAILURE(rc)) + return rc; + + /* If the memory was not found, return an error. */ + if (!g_vbgldata.pVMMDevMemory) + return VERR_NOT_SUPPORTED; + + *ppVMMDevMemory = g_vbgldata.pVMMDevMemory; + return rc; +} + |