// ntddstor.h

typedef union _STORAGE_PROTOCOL_DATA_SUBVALUE_GET_LOG_PAGE {
  struct {
    ULONG RetainAsynEvent : 1;
    ULONG LogSpecificField : 4;
    ULONG Reserved0 : 3;
    ULONG UUIDIndex : 7;
    ULONG Reserved : 17;
  } DUMMYSTRUCTNAME;
  ULONG  AsUlong;
} STORAGE_PROTOCOL_DATA_SUBVALUE_GET_LOG_PAGE, *PSTORAGE_PROTOCOL_DATA_SUBVALUE_GET_LOG_PAGE;
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Windows Driver Kit DDI reference (ns-ntddstor-storage_protocol_data_subvalue_get_log_page)

Description

STORAGE_PROTOCOL_DATA_SUBVALUE_GET_LOG_PAGE is used to provide additional information to be specified when getting an NVMe log page.

Members

`DUMMYSTRUCTNAME`

`DUMMYSTRUCTNAME.RetainAsynEvent`

Indicates whether to retain (1) or clear (0) an asynchronous event.

`DUMMYSTRUCTNAME.LogSpecificField`

Used for certain log page queries. See the log page-related sections of the NVMe specification for details.

`DUMMYSTRUCTNAME.Reserved0`

Reserved.

`DUMMYSTRUCTNAME.UUIDIndex`

Used internally to iterate through an array of UUID values.

`DUMMYSTRUCTNAME.Reserved`

Reserved.

`AsUlong`

Can be used to reference the entire bit field.

Remarks

STORAGE_PROTOCOL_DATA_SUBVALUE_GET_LOG_PAGE is the value of ProtocolDataRequestSubValue4 of the STORAGE_PROTOCOL_SPECIFIC_DATA structure when STORAGE_PROTOCOL_NVME_DATA_TYPE is NVMeDataTypeLogPage.

STORAGE_PROTOCOL_DATA_SUBVALUE_GET_LOG_PAGE - NtDoc