// storport.h

typedef struct _STOR_UC_DEVICE_USAGE {
  PSTOR_ADDRESS             Address;
  SCSI_UC_DEVICE_USAGE_TYPE UsageType;
  BOOLEAN                   InUse;
} STOR_UC_DEVICE_USAGE, *PSTOR_UC_DEVICE_USAGE;
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Windows Driver Kit DDI reference (ns-storport-stor_uc_device_usage)

Description

STOR_UC_DEVICE_USAGE is the structure pointed to by the Parameters parameter when a miniport's HwStorUnitControl routine is called with a ControlType of ScsiUnitUsage.

Members

`Address`

The device address for the usage notification.

`UsageType`

A SCSI_UC_DEVICE_USAGE_TYPE value specifying the usage type from a PnP device usage notification.

`InUse`

TRUE if the unit is used for the type in UsageType. Otherwise, FALSE.

STOR_UC_DEVICE_USAGE - NtDoc