[dpdk-dev] [PATCH v3 1/1] virt2phys: virtual to physical address translator for Windows

Ophir Munk ophirmu at mellanox.com
Tue Apr 21 08:23:25 CEST 2020
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Hi Dmitry,
When trying to test the series under Linux (RedHat 7.4, x86_64-native-linuxapp-gcc) I get compilation errors. I am using make.
It seems that there are calls from common which are not compiled under linux.

x86_64-native-linuxapp-gcc/lib/librte_eal.a(eal_common_memory.o): In function `eal_get_virtual_area':
eal_common_memory.c:(.text+0x27e): undefined reference to `eal_mem_reserve'

[dpdk-branches]$  find lib -name '*.c' | xargs grep eal_mem_reserve
lib/librte_eal/common/eal_common_memory.c:              mapped_addr = eal_mem_reserve(
lib/librte_eal/windows/eal_memory.c:eal_mem_reserve(void *requested_addr, size_t size,
lib/librte_eal/unix/eal_memory.c:eal_mem_reserve(void *requested_addr, size_t size,

Does it succeed for you?
If not - can you please resend the series such that it compiles under Linux with Makefile?

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Dmitry Kozlyuk
> Sent: Tuesday, April 14, 2020 10:44 PM
> To: dev at dpdk.org
> Cc: Dmitry Malloy (MESHCHANINOV) <dmitrym at microsoft.com>; Narcisa
> Ana Maria Vasile <Narcisa.Vasile at microsoft.com>; Fady Bader
> <fady at mellanox.com>; Tal Shnaiderman <talshn at mellanox.com>; Dmitry
> Kozlyuk <dmitry.kozliuk at gmail.com>; Ranjit Menon
> <ranjit.menon at intel.com>
> Subject: [dpdk-dev] [PATCH v3 1/1] virt2phys: virtual to physical address
> translator for Windows
> 
> This driver supports Windows EAL memory management by translating
> current process virtual addresses to physical addresses (IOVA).
> Standalone virt2phys allows using DPDK without PMD and provides a
> reference implementation.
> 
> Suggested-by: Ranjit Menon <ranjit.menon at intel.com>
> Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
> ---
>  windows/README.rst                          | 103 +++++++++
>  windows/virt2phys/virt2phys.c               | 129 +++++++++++
>  windows/virt2phys/virt2phys.h               |  34 +++
>  windows/virt2phys/virt2phys.inf             |  64 ++++++
>  windows/virt2phys/virt2phys.sln             |  27 +++
>  windows/virt2phys/virt2phys.vcxproj         | 228 ++++++++++++++++++++
>  windows/virt2phys/virt2phys.vcxproj.filters |  36 ++++
>  7 files changed, 621 insertions(+)
>  create mode 100644 windows/README.rst
>  create mode 100644 windows/virt2phys/virt2phys.c  create mode 100644
> windows/virt2phys/virt2phys.h  create mode 100644
> windows/virt2phys/virt2phys.inf  create mode 100644
> windows/virt2phys/virt2phys.sln  create mode 100644
> windows/virt2phys/virt2phys.vcxproj
>  create mode 100644 windows/virt2phys/virt2phys.vcxproj.filters
> 
> diff --git a/windows/README.rst b/windows/README.rst new file mode
> 100644 index 0000000..45a1d80
> --- /dev/null
> +++ b/windows/README.rst
> @@ -0,0 +1,103 @@
> +Developing Windows Drivers
> +==========================
> +
> +Prerequisites
> +-------------
> +
> +Building Windows Drivers is only possible on Windows.
> +
> +1. Visual Studio 2019 Community or Professional Edition 2. Windows
> +Driver Kit (WDK) for Windows 10, version 1903
> +
> +Follow the official instructions to obtain all of the above:
> +https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs
> .
> +microsoft.com%2Fen-us%2Fwindows-hardware%2Fdrivers%2Fdownload-
> the-wdk&a
> +mp;data=02%7C01%7Cophirmu%40mellanox.com%7C86da431f2b904dca3
> d8208d7e0ac
> +4cd0%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C637224902
> 939680479&am
> +p;sdata=RSZXmo%2FewOpl9VCCg4BIgYUFvpreZzqX1X%2Bcl9vNRjU%3D&a
> mp;reserved
> +=0
> +
> +
> +Build the Drivers
> +-----------------
> +
> +Build from Visual Studio
> +~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +Open a solution (``*.sln``) with Visual Studio and build it (Ctrl+Shift+B).
> +
> +
> +Build from Command-Line
> +~~~~~~~~~~~~~~~~~~~~~~~
> +
> +Run *Developer Command Prompt for VS 2019* from the Start menu.
> +
> +Navigate to the solution directory (with ``*.sln``), then run:
> +
> +.. code-block:: console
> +
> +    msbuild
> +
> +To build a particular combination of configuration and platform:
> +
> +.. code-block:: console
> +
> +    msbuild -p:Configuration=Debug;Platform=x64
> +
> +
> +Install the Drivers
> +-------------------
> +
> +Disable Driver Signature Enforcement
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +By default Windows prohibits installing and loading drivers without
> +`digital signature`_ obtained from Microsoft. For development signature
> +enforcement may be disabled as follows.
> +
> +In Elevated Command Prompt (from this point, sufficient privileges are
> +assumed):
> +
> +.. code-block:: console
> +
> +    bcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS
> +    bcdedit -set TESTSIGNING ON
> +    shutdown -r -t 0
> +
> +Upon reboot, an overlay message should appear on the desktop informing
> +that Windows is in test mode, which means it allows loading unsigned
> drivers.
> +
> +.. _digital signature:
> +https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs
> .
> +microsoft.com%2Fen-us%2Fwindows-
> hardware%2Fdrivers%2Finstall%2Fdriver-s
> +igning&data=02%7C01%7Cophirmu%40mellanox.com%7C86da431f2b
> 904dca3d82
> +08d7e0ac4cd0%7Ca652971c7d2e4d9ba6a4d149256f461b%7C0%7C0%7C63
> 72249029396
> +85478&sdata=tLVdijiQ56xwSDW0zVsVE3TnIpuMPTLd9DBtS3Bnf4Q%3
> D&rese
> +rved=0
> +
> +Install, List, and Remove Drivers
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +Driver package is by default located in a subdirectory of its source
> +tree, e.g. ``x64\Debug\virt2phys\virt2phys`` (note two levels of
> ``virt2phys``).
> +
> +To install the driver and bind associated devices to it:
> +
> +.. code-block:: console
> +
> +    pnputil /add-driver x64\Debug\virt2phys\virt2phys\virt2phys.inf
> + /install
> +
> +A graphical confirmation to load an unsigned driver will still appear.
> +
> +On Windows Server additional steps are required if the driver uses a
> +custom setup class:
> +
> +1. From "Device Manager", "Action" menu, select "Add legacy hardware".
> +2. It will launch the "Add Hardware Wizard". Click "Next".
> +3. Select second option "Install the hardware that I manually select
> +   from a list (Advanced)".
> +4. On the next screen, locate the driver device class.
> +5. Select it, and click "Next".
> +6. The previously installed drivers will now be installed for
> +   the appropriate devices (software devices will be created).
> +
> +To list installed drivers:
> +
> +.. code-block:: console
> +
> +    pnputil /enum-drivers
> +
> +To remove the driver package and to uninstall its devices:
> +
> +.. code-block:: console
> +
> +    pnputil /delete-driver oem2.inf /uninstall
> diff --git a/windows/virt2phys/virt2phys.c b/windows/virt2phys/virt2phys.c
> new file mode 100644 index 0000000..e157e9c
> --- /dev/null
> +++ b/windows/virt2phys/virt2phys.c
> @@ -0,0 +1,129 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2020 Dmitry Kozlyuk
> + */
> +
> +#include <ntddk.h>
> +#include <wdf.h>
> +#include <wdmsec.h>
> +#include <initguid.h>
> +
> +#include "virt2phys.h"
> +
> +DRIVER_INITIALIZE DriverEntry;
> +EVT_WDF_DRIVER_DEVICE_ADD virt2phys_driver_EvtDeviceAdd;
> +EVT_WDF_IO_IN_CALLER_CONTEXT
> virt2phys_device_EvtIoInCallerContext;
> +
> +NTSTATUS
> +DriverEntry(
> +	IN PDRIVER_OBJECT driver_object, IN PUNICODE_STRING
> registry_path) {
> +	WDF_DRIVER_CONFIG config;
> +	WDF_OBJECT_ATTRIBUTES attributes;
> +	NTSTATUS status;
> +
> +	PAGED_CODE();
> +
> +	WDF_DRIVER_CONFIG_INIT(&config,
> virt2phys_driver_EvtDeviceAdd);
> +	WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
> +	status = WdfDriverCreate(
> +			driver_object, registry_path,
> +			&attributes, &config, WDF_NO_HANDLE);
> +	if (!NT_SUCCESS(status)) {
> +		KdPrint(("WdfDriverCreate() failed, status=%08x\n", status));
> +	}
> +
> +	return status;
> +}
> +
> +_Use_decl_annotations_
> +NTSTATUS
> +virt2phys_driver_EvtDeviceAdd(
> +	WDFDRIVER driver, PWDFDEVICE_INIT init) {
> +	WDF_OBJECT_ATTRIBUTES attributes;
> +	WDFDEVICE device;
> +	NTSTATUS status;
> +
> +	UNREFERENCED_PARAMETER(driver);
> +
> +	PAGED_CODE();
> +
> +	WdfDeviceInitSetIoType(
> +		init, WdfDeviceIoNeither);
> +	WdfDeviceInitSetIoInCallerContextCallback(
> +		init, virt2phys_device_EvtIoInCallerContext);
> +
> +	WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
> +
> +	status = WdfDeviceCreate(&init, &attributes, &device);
> +	if (!NT_SUCCESS(status)) {
> +		KdPrint(("WdfDeviceCreate() failed, status=%08x\n", status));
> +		return status;
> +	}
> +
> +	status = WdfDeviceCreateDeviceInterface(
> +			device, &GUID_DEVINTERFACE_VIRT2PHYS, NULL);
> +	if (!NT_SUCCESS(status)) {
> +		KdPrint(("WdfDeviceCreateDeviceInterface() failed, "
> +			"status=%08x\n", status));
> +		return status;
> +	}
> +
> +	return STATUS_SUCCESS;
> +}
> +
> +_Use_decl_annotations_
> +VOID
> +virt2phys_device_EvtIoInCallerContext(
> +	IN WDFDEVICE device, IN WDFREQUEST request) {
> +	WDF_REQUEST_PARAMETERS params;
> +	ULONG code;
> +	PVOID *virt;
> +	PHYSICAL_ADDRESS *phys;
> +	size_t size;
> +	NTSTATUS status;
> +
> +	UNREFERENCED_PARAMETER(device);
> +
> +	PAGED_CODE();
> +
> +	WDF_REQUEST_PARAMETERS_INIT(&params);
> +	WdfRequestGetParameters(request, &params);
> +
> +	if (params.Type != WdfRequestTypeDeviceControl) {
> +		KdPrint(("bogus request type=%u\n", params.Type));
> +		WdfRequestComplete(request, STATUS_NOT_SUPPORTED);
> +		return;
> +	}
> +
> +	code = params.Parameters.DeviceIoControl.IoControlCode;
> +	if (code != IOCTL_VIRT2PHYS_TRANSLATE) {
> +		KdPrint(("bogus IO control code=%lu\n", code));
> +		WdfRequestComplete(request, STATUS_NOT_SUPPORTED);
> +		return;
> +	}
> +
> +	status = WdfRequestRetrieveInputBuffer(
> +			request, sizeof(*virt), (PVOID *)&virt, &size);
> +	if (!NT_SUCCESS(status)) {
> +		KdPrint(("WdfRequestRetrieveInputBuffer() failed, "
> +			"status=%08x\n", status));
> +		WdfRequestComplete(request, status);
> +		return;
> +	}
> +
> +	status = WdfRequestRetrieveOutputBuffer(
> +		request, sizeof(*phys), (PVOID *)&phys, &size);
> +	if (!NT_SUCCESS(status)) {
> +		KdPrint(("WdfRequestRetrieveOutputBuffer() failed, "
> +			"status=%08x\n", status));
> +		WdfRequestComplete(request, status);
> +		return;
> +	}
> +
> +	*phys = MmGetPhysicalAddress(*virt);
> +
> +	WdfRequestCompleteWithInformation(
> +		request, STATUS_SUCCESS, sizeof(*phys)); }
> diff --git a/windows/virt2phys/virt2phys.h b/windows/virt2phys/virt2phys.h
> new file mode 100644 index 0000000..4bb2b4a
> --- /dev/null
> +++ b/windows/virt2phys/virt2phys.h
> @@ -0,0 +1,34 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright (c) 2020 Dmitry Kozlyuk
> + */
> +
> +/**
> + * @file virt2phys driver interface
> + */
> +
> +/**
> + * Driver device interface GUID {539c2135-793a-4926-afec-d3a1b61bbc8a}.
> + */
> +DEFINE_GUID(GUID_DEVINTERFACE_VIRT2PHYS,
> +	0x539c2135, 0x793a, 0x4926,
> +	0xaf, 0xec, 0xd3, 0xa1, 0xb6, 0x1b, 0xbc, 0x8a);
> +
> +/**
> + * Driver device type for IO control codes.
> + */
> +#define VIRT2PHYS_DEVTYPE 0x8000
> +
> +/**
> + * Translate a valid non-paged virtual address to a physical address.
> + *
> + * Note: A physical address zero (0) is reported if input address
> + * is paged out or not mapped. However, if input is a valid mapping
> + * of I/O port 0x0000, output is also zero. There is no way
> + * to distinguish between these cases by return value only.
> + *
> + * Input: a non-paged virtual address (PVOID).
> + *
> + * Output: the corresponding physical address (LARGE_INTEGER).
> + */
> +#define IOCTL_VIRT2PHYS_TRANSLATE CTL_CODE( \
> +	VIRT2PHYS_DEVTYPE, 0x800, METHOD_BUFFERED,
> FILE_ANY_ACCESS)
> diff --git a/windows/virt2phys/virt2phys.inf
> b/windows/virt2phys/virt2phys.inf new file mode 100644 index
> 0000000..e35765e
> --- /dev/null
> +++ b/windows/virt2phys/virt2phys.inf
> @@ -0,0 +1,64 @@
> +; SPDX-License-Identifier: BSD-3-Clause ; Copyright (c) 2020 Dmitry
> +Kozlyuk
> +
> +[Version]
> +Signature = "$WINDOWS NT$"
> +Class = %ClassName%
> +ClassGuid = {78A1C341-4539-11d3-B88D-00C04FAD5171}
> +Provider = %ManufacturerName%
> +CatalogFile = virt2phys.cat
> +DriverVer =
> +
> +[DestinationDirs]
> +DefaultDestDir = 12
> +
> +; ================= Class section =====================
> +
> +[ClassInstall32]
> +Addreg = virt2phys_ClassReg
> +
> +[virt2phys_ClassReg]
> +HKR,,,0,%ClassName%
> +HKR,,Icon,,-5
> +
> +[SourceDisksNames]
> +1 = %DiskName%,,,""
> +
> +[SourceDisksFiles]
> +virt2phys.sys  = 1,,
> +
> +;*****************************************
> +; Install Section
> +;*****************************************
> +
> +[Manufacturer]
> +%ManufacturerName%=Standard,NT$ARCH$
> +
> +[Standard.NT$ARCH$]
> +%virt2phys.DeviceDesc%=virt2phys_Device, Root\virt2phys
> +
> +[virt2phys_Device.NT]
> +CopyFiles = Drivers_Dir
> +
> +[Drivers_Dir]
> +virt2phys.sys
> +
> +;-------------- Service installation
> +[virt2phys_Device.NT.Services]
> +AddService = virt2phys,%SPSVCINST_ASSOCSERVICE%,
> virt2phys_Service_Inst
> +
> +; -------------- virt2phys driver install sections
> +[virt2phys_Service_Inst]
> +DisplayName    = %virt2phys.SVCDESC%
> +ServiceType    = 1 ; SERVICE_KERNEL_DRIVER
> +StartType      = 3 ; SERVICE_DEMAND_START
> +ErrorControl   = 1 ; SERVICE_ERROR_NORMAL
> +ServiceBinary  = %12%\virt2phys.sys
> +
> +[Strings]
> +SPSVCINST_ASSOCSERVICE = 0x00000002
> +ManufacturerName = "Dmitry Kozlyuk"
> +ClassName = "Kernel bypass"
> +DiskName = "virt2phys Installation Disk"
> +virt2phys.DeviceDesc = "Virtual to physical address translator"
> +virt2phys.SVCDESC = "virt2phys Service"
> diff --git a/windows/virt2phys/virt2phys.sln
> b/windows/virt2phys/virt2phys.sln new file mode 100644 index
> 0000000..0f5ecdc
> --- /dev/null
> +++ b/windows/virt2phys/virt2phys.sln
> @@ -0,0 +1,27 @@
> ++Microsoft Visual Studio Solution File, Format Version 12.00+# Visual Studio
> Version 16+VisualStudioVersion =
> 16.0.29613.14+MinimumVisualStudioVersion =
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> BDD6F6115137}"+EndProject+Global+
> 	GlobalSection(SolutionConfigurationPlatforms) = preSolution+
> 	Debug|x64 = Debug|x64+		Release|x64 = Release|x64+
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> 	GlobalSection(ProjectConfigurationPlatforms) = postSolution+
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> 	{0EEF826B-9391-43A8-A722-BDD6F6115137}.Release|x64.ActiveCfg
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> BDD6F6115137}.Release|x64.Build.0 = Release|x64+		{0EEF826B-
> 9391-43A8-A722-BDD6F6115137}.Release|x64.Deploy.0 = Release|x64+
> 	EndGlobalSection+	GlobalSection(SolutionProperties) =
> preSolution+		HideSolutionNode = FALSE+	EndGlobalSection+
> 	GlobalSection(ExtensibilityGlobals) = postSolution+
> 	SolutionGuid = {845012FB-4471-4A12-A1C4-FF7E05C40E8E}+
> 	EndGlobalSection+EndGlobaldiff --git
> a/windows/virt2phys/virt2phys.vcxproj
> b/windows/virt2phys/virt2phys.vcxproj
> new file mode 100644
> index 0000000..fa51916
> --- /dev/null
> +++ b/windows/virt2phys/virt2phys.vcxproj
> @@ -0,0 +1,228 @@
> +<?xml version="1.0" encoding="utf-8"?>+<Project DefaultTargets="Build"
> ToolsVersion="12.0"
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> 3D&reserved=0">+  <ItemGroup Label="ProjectConfigurations">+
> <ProjectConfiguration Include="Debug|Win32">+
> <Configuration>Debug</Configuration>+      <Platform>Win32</Platform>+
> </ProjectConfiguration>+    <ProjectConfiguration
> Include="Release|Win32">+      <Configuration>Release</Configuration>+
> <Platform>Win32</Platform>+    </ProjectConfiguration>+
> <ProjectConfiguration Include="Debug|x64">+
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> </ProjectConfiguration>+    <ProjectConfiguration Include="Release|x64">+
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> </ProjectConfiguration>+    <ProjectConfiguration Include="Debug|ARM">+
> <Configuration>Debug</Configuration>+      <Platform>ARM</Platform>+
> </ProjectConfiguration>+    <ProjectConfiguration Include="Release|ARM">+
> <Configuration>Release</Configuration>+      <Platform>ARM</Platform>+
> </ProjectConfiguration>+    <ProjectConfiguration
> Include="Debug|ARM64">+      <Configuration>Debug</Configuration>+
> <Platform>ARM64</Platform>+    </ProjectConfiguration>+
> <ProjectConfiguration Include="Release|ARM64">+
> <Configuration>Release</Configuration>+
> <Platform>ARM64</Platform>+    </ProjectConfiguration>+  </ItemGroup>+
> <ItemGroup>+    <ClCompile Include="virt2phys.c" />+  </ItemGroup>+
> <ItemGroup>+    <ClInclude Include="virt2phys.h" />+  </ItemGroup>+
> <ItemGroup>+    <Inf Include="virt2phys.inf" />+  </ItemGroup>+
> <PropertyGroup Label="Globals">+    <ProjectGuid>{0EEF826B-9391-43A8-
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> <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>+
> <MinimumVisualStudioVersion>12.0</MinimumVisualStudioVersion>+
> <Configuration>Debug</Configuration>+    <Platform
> Condition="'$(Platform)' == ''">Win32</Platform>+
> <RootNamespace>virt2phys</RootNamespace>+  </PropertyGroup>+
> <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />+
> <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"
> Label="Configuration">+    <TargetVersion>Windows10</TargetVersion>+
> <UseDebugLibraries>true</UseDebugLibraries>+
> <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>+
> <ConfigurationType>Driver</ConfigurationType>+
> <DriverType>KMDF</DriverType>+
> <DriverTargetPlatform>Universal</DriverTargetPlatform>+
> </PropertyGroup>+  <PropertyGroup
> Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"
> Label="Configuration">+    <TargetVersion>Windows10</TargetVersion>+
> <UseDebugLibraries>false</UseDebugLibraries>+
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> <ConfigurationType>Driver</ConfigurationType>+
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> </PropertyGroup>+  <PropertyGroup
> Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"
> Label="Configuration">+    <TargetVersion>Windows10</TargetVersion>+
> <UseDebugLibraries>true</UseDebugLibraries>+
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> <ConfigurationType>Driver</ConfigurationType>+
> <DriverType>KMDF</DriverType>+
> <DriverTargetPlatform>Universal</DriverTargetPlatform>+
> </PropertyGroup>+  <PropertyGroup
> Condition="'$(Configuration)|$(Platform)'=='Release|x64'"
> Label="Configuration">+    <TargetVersion>Windows10</TargetVersion>+
> <UseDebugLibraries>false</UseDebugLibraries>+
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> <ConfigurationType>Driver</ConfigurationType>+
> <DriverType>KMDF</DriverType>+
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> </PropertyGroup>+  <PropertyGroup
> Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'"
> Label="Configuration">+    <TargetVersion>Windows10</TargetVersion>+
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> Condition="'$(Configuration)|$(Platform)'=='Release|ARM'"
> Label="Configuration">+    <TargetVersion>Windows10</TargetVersion>+
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> 2.25.1
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