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NVME_VERSION union (nvme.h)

  • Article

Contains fields that specify the version number of the NVM Express specification that the controller implementation supports.

This structure is used in the VS field of the NVME_CONTROLLER_REGISTERS structure.

Syntax

typedef union {
  struct {
    ULONG TER : 8;
    ULONG MNR : 8;
    ULONG MJR : 16;
  } DUMMYSTRUCTNAME;
  ULONG  AsUlong;
} NVME_VERSION, *PNVME_VERSION;

Members

DUMMYSTRUCTNAME

DUMMYSTRUCTNAME.TER

Indicates the tertiary version number of the specification.

For example, if the version number is 1.2.3, then 3 is the tertiary version number.

DUMMYSTRUCTNAME.MNR

Indicates the minor version number of the specification.

For example, if the version number is 1.2, then 2 is the minor version number.

DUMMYSTRUCTNAME.MJR

Indicates the major version number of the specification.

For example, if the version number is 1.2, then 1 is the major version number.

AsUlong

Remarks

Valid versions of the NVM Express specification are: 1.0, 1.1, and 1.2.

Requirements

Requirement Value
Minimum supported client Windows 10
Header nvme.h