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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
// Copyright (C) Microsoft Corporation. All rights reserved.
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#pragma once
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#include "DeviceHostProxy.h"
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// Flags for virtiofs vdev device creation.
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#define VIRTIO_FS_FLAGS_TYPE_FILES 0x8000
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#define VIRTIO_FS_FLAGS_TYPE_SECTIONS 0x4000
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// {872270E1-A899-4AF6-B454-7193634435AD}
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DEFINE_GUID(VIRTIO_VIRTIOFS_DEVICE_ID, 0x872270E1, 0xA899, 0x4AF6, 0xB4, 0x54, 0x71, 0x93, 0x63, 0x44, 0x35, 0xAD);
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// {ABB755FC-1B86-4255-83E2-E5787ABCF6C2}
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DEFINE_GUID(VIRTIO_PMEM_CLASS_ID, 0xABB755FC, 0x1B86, 0x4255, 0x83, 0xe2, 0xe5, 0x78, 0x7a, 0xbc, 0xf6, 0xc2);
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inline const std::wstring c_defaultDeviceTag = L"default";
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//
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// Provides synchronized access to guest device operations.
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//
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class GuestDeviceManager
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{
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public:
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GuestDeviceManager(_In_ const std::wstring& machineId, _In_ const GUID& runtimeId);
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_Requires_lock_not_held_(m_lock)
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GUID AddGuestDevice(
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_In_ const GUID& DeviceId,
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_In_ const GUID& ImplementationClsid,
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_In_ PCWSTR AccessName,
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_In_opt_ PCWSTR Options,
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_In_ PCWSTR Path,
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_In_ UINT32 Flags,
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_In_ HANDLE UserToken);
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GUID AddNewDevice(_In_ const GUID& deviceId, _In_ const wil::com_ptr<IPlan9FileSystem>& server, _In_ PCWSTR tag);
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void AddRemoteFileSystem(_In_ REFCLSID clsid, _In_ PCWSTR tag, _In_ const wil::com_ptr<IPlan9FileSystem>& server);
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void AddSharedMemoryDevice(_In_ const GUID& ImplementationClsid, _In_ PCWSTR Tag, _In_ PCWSTR Path, _In_ UINT32 SizeMb, _In_ HANDLE UserToken);
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wil::com_ptr<IPlan9FileSystem> GetRemoteFileSystem(_In_ REFCLSID clsid, _In_ std::wstring_view tag);
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void Shutdown();
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private:
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_Requires_lock_held_(m_lock)
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GUID AddHdvShareWithOptions(
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_In_ const GUID& DeviceId,
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_In_ const GUID& ImplementationClsid,
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_In_ PCWSTR AccessName,
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_In_opt_ PCWSTR Options,
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_In_ PCWSTR Path,
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_In_ UINT32 Flags,
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_In_ HANDLE UserToken);
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struct DirectoryObjectLifetime
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{
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std::wstring Path;
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// Directory objects are temporary, even if they have children, so need to keep
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// any created handles open in order for the directory to remain accessible.
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std::vector<wil::unique_handle> HierarchyLifetimes;
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};
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DirectoryObjectLifetime CreateSectionObjectRoot(_In_ std::wstring_view RelativeRootPath, _In_ HANDLE UserToken) const;
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wil::srwlock m_lock;
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std::wstring m_machineId;
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wil::com_ptr<DeviceHostProxy> m_deviceHostSupport;
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_Guarded_by_(m_lock) std::vector<DirectoryObjectLifetime> m_objectDirectories;
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};
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