205 lines
8.5 KiB
C++
205 lines
8.5 KiB
C++
/*CM_Connect_Machine
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CM_Get_Device_ID_List_Size_Ex
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CM_Get_Child_Ex
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CM_Get_Sibling_Ex
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CM_Get_Parent_Ex
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CM_Get_DevNode_Registry_Property_Ex
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CM_Get_Class_Name_Ex
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CM_Get_DevNode_Status_Ex
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CM_Get_Device_ID_Ex
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CM_Request_Device_Eject_Ex
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CM_Locate_DevNode_Ex*/
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InitDevTreeDlgProc
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DEVINST* DeviceInstance
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HMACHINE DeviceTree->hMachine
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DEVINST DeviceTree->DevInst
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GUID DeviceTreeNode->ClassGuid
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TCHAR DeviceID[MAX_DEVICE_ID_LEN]
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PTSTR DeviceInterface
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//
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// Get the root devnode.
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//
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ConfigRet = CM_Locate_DevNode_Ex(&DeviceTree->DevInst,
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NULL,
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CM_LOCATE_DEVNODE_NORMAL,
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DeviceTree->hMachine (NULL)
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);
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if (ConfigRet != CR_SUCCESS) {
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ConfigRet = CM_Get_Child_Ex(&DeviceInstance, (Out param)
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DeviceTree->DevInst, (prev call)
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0,
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DeviceTree->hMachine (NULL)
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);
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if (ConfigRet == CR_SUCCESS) {
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// for info
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ConfigRet = CM_Get_DevNode_Registry_Property_Ex(DeviceInstance, (from above)
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CM_DRP_CLASSGUID,
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NULL,
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&Buffer,
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&Len,
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0,
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DeviceTree->hMachine (NULL)
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);
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if (ConfigRet == CR_SUCCESS) {
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Out: // GUID_DEVCLASS_COMPUTER
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{0x4d36e966L, 0xe325, 0x11ce,
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{0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18}},
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if (ConfigRet == CR_SUCCESS) {
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ConfigRet = CM_Get_Class_Name_Ex(&DeviceTreeNode->ClassGuid,
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Buffer,
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&Len,
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0,
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DeviceTree->hMachine
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);
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Out: Computer
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if (ConfigRet == CR_SUCCESS) {
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// trying to find drive letter
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x DevNodeToDriveLetter(x
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x
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x if (CM_Get_Device_ID_Ex(DevInst,
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x DeviceID,
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x sizeof(DeviceID)/sizeof(TCHAR),
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x 0,
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x NULL
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x ) == CR_SUCCESS) {
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x Out: 0x0006ee8c "ROOT\ACPI_HAL\0000"
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x
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x
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x if (CM_Get_Device_Interface_List_Size(&ulSize,
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x (LPGUID)&VolumeClassGuid,
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x DeviceID,
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x 0) == CR_SUCCESS) &&
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x
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x Out: FAILS
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x (ulSize > 1) &&
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x ((DeviceInterface = LocalAlloc(LPTR, ulSize*sizeof(TCHAR))) != NULL) &&
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x (CM_Get_Device_Interface_List((LPGUID)&VolumeClassGuid,
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x DeviceID,
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x DeviceInterface,
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x ulSize,
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x 0
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x ) == CR_SUCCESS) &&
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ConfigRet = CM_Get_DevNode_Registry_Property_Ex(DeviceInstance,
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CM_DRP_FRIENDLYNAME,
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NULL,
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Buffer,
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&Len,
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0,
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DeviceTree->hMachine
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);
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then, CM_DRP_DEVICEDESC... out: "Advanced Configuration and Power Interface (ACPI) PC"
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....
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BuildLocationInformation: Boring....
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// Get InstanceId
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ConfigRet = CM_Get_Device_ID_ExW(DeviceInstance,
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Buffer,
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Len/sizeof(TCHAR),
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0,
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DeviceTree->hMachine
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);
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Out "ROOT\ACPI_HAL\0000"
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{ // should skip
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BuildDeviceRelationsList
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ConfigRet = CM_Get_Device_ID_List_Size_Ex(&Len,
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DeviceId, ("ROOT\ACPI_HAL\0000")
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FilterFlag, (CM_GETIDLIST_FILTER_EJECTRELATIONS)
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hMachine (NULL)
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);
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BuildDeviceRelationsList
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ConfigRet = CM_Get_Device_ID_List_Size_Ex(&Len,
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DeviceId, ("ROOT\ACPI_HAL\0000")
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FilterFlag, (CM_GETIDLIST_FILTER_REMOVALRELATIONS)
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hMachine
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);
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// Both FAILED, if would have succeeded, would have trierd to enum drive letters
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}
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// If this devinst has children, then recurse to fill in its child sibling list.
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ConfigRet = CM_Get_Child_Ex(&ChildDeviceInstance, (out param)
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DeviceInstance, (same as above)
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0,
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DeviceTree->hMachine (NULL)
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);
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//recurse to redo the same as above for child, then ...
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// Next sibling ...
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ConfigRet = CM_Get_Sibling_Ex(&DeviceInstance, (Ouch!)
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DeviceInstance,
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0,
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DeviceTree->hMachine
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);
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///////////////////////////////////////////////////////////////////////////////
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//
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// Device Instance status flags, returned by call to CM_Get_DevInst_Status
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//
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#define DN_ROOT_ENUMERATED (0x00000001) // Was enumerated by ROOT
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#define DN_DRIVER_LOADED (0x00000002) // Has Register_Device_Driver
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#define DN_ENUM_LOADED (0x00000004) // Has Register_Enumerator
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#define DN_STARTED (0x00000008) // Is currently configured
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#define DN_MANUAL (0x00000010) // Manually installed
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#define DN_NEED_TO_ENUM (0x00000020) // May need reenumeration
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#define DN_NOT_FIRST_TIME (0x00000040) // Has received a config
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#define DN_HARDWARE_ENUM (0x00000080) // Enum generates hardware ID
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#define DN_LIAR (0x00000100) // Lied about can reconfig once
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#define DN_HAS_MARK (0x00000200) // Not CM_Create_DevInst lately
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#define DN_HAS_PROBLEM (0x00000400) // Need device installer
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#define DN_FILTERED (0x00000800) // Is filtered
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#define DN_MOVED (0x00001000) // Has been moved
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#define DN_DISABLEABLE (0x00002000) // Can be rebalanced
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#define DN_REMOVABLE (0x00004000) // Can be removed
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#define DN_PRIVATE_PROBLEM (0x00008000) // Has a private problem
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#define DN_MF_PARENT (0x00010000) // Multi function parent
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#define DN_MF_CHILD (0x00020000) // Multi function child
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#define DN_WILL_BE_REMOVED (0x00040000) // DevInst is being removed
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// Flags for CM_Get_Device_ID_List, CM_Get_Device_ID_List_Size
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//
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#define CM_GETIDLIST_FILTER_NONE (0x00000000)
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#define CM_GETIDLIST_FILTER_ENUMERATOR (0x00000001)
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#define CM_GETIDLIST_FILTER_SERVICE (0x00000002)
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#define CM_GETIDLIST_FILTER_EJECTRELATIONS (0x00000004)
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#define CM_GETIDLIST_FILTER_REMOVALRELATIONS (0x00000008)
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#define CM_GETIDLIST_FILTER_POWERRELATIONS (0x00000010)
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#define CM_GETIDLIST_FILTER_BUSRELATIONS (0x00000020)
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#define CM_GETIDLIST_DONOTGENERATE (0x10000040)
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#define CM_GETIDLIST_FILTER_BITS (0x1000007F)
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//
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// Flags for CM_Get_Device_Interface_List, CM_Get_Device_Interface_List_Size
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//
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#define CM_GET_DEVICE_INTERFACE_LIST_PRESENT (0x00000000) // only currently 'live' device interfaces
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#define CM_GET_DEVICE_INTERFACE_LIST_ALL_DEVICES (0x00000001) // all registered device interfaces, live or not
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#define CM_GET_DEVICE_INTERFACE_LIST_BITS (0x00000001)
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