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An MPIO driver uses the DSM_VERSION WMI class to identify the version of a configured DSM.
class DSM_VERSION
{
//
// Version: Major, Minor, Product, Qfe
//
[WmiDataId(1)] uint32 MajorVersion;
[WmiDataId(2)] uint32 MinorVersion;
[WmiDataId(3)] uint32 ProductBuild;
[WmiDataId(4)] uint32 QfeNumber;
};
When this class definition is compiled by the WMI tool suite, it produces the DSM_VERSION data structure. There are no methods associated with this WMI class.