// ntddstor.h

typedef enum _DEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE {
  DeviceInternalStatusDataRequestTypeUndefined,
  DeviceCurrentInternalStatusDataHeader,
  DeviceCurrentInternalStatusData,
  DeviceSavedInternalStatusDataHeader,
  DeviceSavedInternalStatusData
} DEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE, *PDEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE;
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Windows Driver Kit DDI reference (ne-ntddstor-device_internal_status_data_request_type)

DEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE enumeration

Description

The DEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE enum identifies the internal status data type being queried.

Constants

`DeviceInternalStatusDataRequestTypeUndefined`

Reserved; do not use.

`DeviceCurrentInternalStatusDataHeader`

Query the device's internal status data header. The data header size is always 512 bytes. Refer to the SCSI specification for more details about the header format.

`DeviceCurrentInternalStatusData`

Query the device's internal status data. The data block size is always a multiple of 512 bytes.

`DeviceSavedInternalStatusDataHeader`

Query the device's saved internal status data header. The data header size is always 512 bytes. Refer to the SCSI specification for more details about the header format.

`DeviceSavedInternalStatusData`

Query the device's saved internal status data. The data block size is always a multiple of 512 bytes.

Remarks

DEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE is a member of the GET_DEVICE_INTERNAL_STATUS_DATA_REQUEST structure, which contains all information about the internal status data being requested through IOCTL_STORAGE_GET_DEVICE_INTERNAL_LOG.

The DEVICE_INTERNAL_STATUS_DATA_SET enum identifies the data set associated with the data request type.

DEVICE_INTERNAL_STATUS_DATA_REQUEST_TYPE - NtDoc