// storport.h

typedef enum _SCSI_UC_DEVICE_USAGE_TYPE {
  ScsiDeviceUsageTypeUndefined,
  ScsiDeviceUsageTypePaging,
  ScsiDeviceUsageTypeHibernation,
  ScsiDeviceUsageTypeDumpFile,
  ScsiDeviceUsageTypeBoot,
  ScsiDeviceUsageTypeInlineCryptoEngine
} SCSI_UC_DEVICE_USAGE_TYPE;
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Windows Driver Kit DDI reference (ne-storport-scsi_uc_device_usage_type)

Description

SCSI_UC_DEVICE_USAGE_TYPE specifies the device usage type from a PnP device usage notification.

Constants

`ScsiDeviceUsageTypeUndefined`

The device usage type is undefined.

`ScsiDeviceUsageTypePaging`

The page file will be used on the device.

`ScsiDeviceUsageTypeHibernation`

The hibernation file will be used on the device.

`ScsiDeviceUsageTypeDumpFile`

The dump file will be used on the device.

`ScsiDeviceUsageTypeBoot`

The device is used to boot the operating system.

Remarks

SCSI_UC_DEVICE_USAGE_TYPE is a member of the STOR_UC_DEVICE_USAGE structure, which Storport uses when it calls a miniport's HwStorUnitControl routine with a ControlType of ScsiUnitUsage.

SCSI_UC_DEVICE_USAGE_TYPE - NtDoc