## Physical Device Driver Reference

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### Node Searches

The following service searches for nodes matching a particular key:

RMKeyToHandleList (see RMKeyToHandleList)

The following service searches for nodes using a particular resource:

RMResToHandleList (see RMResToHandleList)

The following service searches for nodes containing matching adjunct data:

RMAdjToHandleList (see RMAdjToHandleList)

The following service returns the LDEV associated with a physical device node:

RMHDevtoHLDev (see RMHDevToHLDev)