| 1 | /* $Id: VBoxMPRegistry.cpp 99828 2023-05-17 13:48:57Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox XPDM Miniport registry related functions
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2011-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #include "common/VBoxMPCommon.h"
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| 29 |
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| 30 | static VP_STATUS
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| 31 | VBoxMPQueryNamedValueCB(PVOID HwDeviceExtension, PVOID Context, PWSTR ValueName, PVOID ValueData, ULONG ValueLength)
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| 32 | {
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| 33 | RT_NOREF(HwDeviceExtension, ValueName);
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| 34 | PAGED_CODE();
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| 35 |
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| 36 | if (!ValueLength || !Context)
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| 37 | {
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| 38 | WARN(("failed due to invalid parameters"));
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| 39 | return ERROR_INVALID_PARAMETER;
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| 40 | }
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| 41 |
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| 42 | *(uint32_t *)Context = *(uint32_t *)ValueData;
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| 43 |
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| 44 | return NO_ERROR;
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| 45 | }
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| 46 |
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| 47 |
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| 48 | VP_STATUS VBoxMPCmnRegInit(IN PVBOXMP_DEVEXT pExt, OUT VBOXMPCMNREGISTRY *pReg)
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| 49 | {
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| 50 | *pReg = pExt->pPrimary;
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| 51 | return NO_ERROR;
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| 52 | }
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| 53 |
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| 54 | VP_STATUS VBoxMPCmnRegFini(IN VBOXMPCMNREGISTRY Reg)
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| 55 | {
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| 56 | RT_NOREF(Reg);
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| 57 | return NO_ERROR;
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| 58 | }
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| 59 |
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| 60 | VP_STATUS VBoxMPCmnRegSetDword(IN VBOXMPCMNREGISTRY Reg, PCWSTR pName, uint32_t Val)
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| 61 | {
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| 62 | return VideoPortSetRegistryParameters(Reg, (PWSTR)pName, &Val, sizeof(Val));
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| 63 | }
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| 64 |
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| 65 | VP_STATUS VBoxMPCmnRegQueryDword(IN VBOXMPCMNREGISTRY Reg, PCWSTR pName, uint32_t *pVal)
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| 66 | {
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| 67 | VP_STATUS rc = VideoPortGetRegistryParameters(Reg, (PWSTR)pName, FALSE, VBoxMPQueryNamedValueCB, pVal);
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| 68 | if (rc != NO_ERROR && pVal)
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| 69 | *pVal = 0;
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| 70 | return rc;
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| 71 | }
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