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Data Fields
EFI_NVDIMM_LABEL_INDEX_BLOCK Struct Reference

Data Fields

CHAR8 Sig [EFI_NVDIMM_LABEL_INDEX_SIG_LEN]
 
UINT8 Flags [3]
 
UINT8 LabelSize
 
UINT32 Seq
 
UINT64 MyOff
 
UINT64 MySize
 
UINT64 OtherOff
 
UINT64 LabelOff
 
UINT32 NSlot
 
UINT16 Major
 
UINT16 Minor
 
UINT64 Checksum
 
UINT8 Free []
 

Detailed Description

Definition at line 28 of file NvdimmLabel.h.

Field Documentation

◆ Checksum

UINT64 EFI_NVDIMM_LABEL_INDEX_BLOCK::Checksum

64-bit Fletcher64 checksum of all fields in this Index Block.

Definition at line 89 of file NvdimmLabel.h.

◆ Flags

UINT8 EFI_NVDIMM_LABEL_INDEX_BLOCK::Flags[3]

Attributes of this Label Storage Area.

Definition at line 37 of file NvdimmLabel.h.

◆ Free

UINT8 EFI_NVDIMM_LABEL_INDEX_BLOCK::Free[]

Array of unsigned bytes implementing a bitmask that tracks which label slots are free. A bit value of 0 indicates in use, 1 indicates free. The size of this field is the number of bytes required to hold the bitmask with NSlot bits, padded with additional zero bytes to make the Index Block size a multiple of EFI_NVDIMM_LABEL_INDEX_ALIGN. Any bits allocated beyond NSlot bits must be zero.

Definition at line 98 of file NvdimmLabel.h.

◆ LabelOff

UINT64 EFI_NVDIMM_LABEL_INDEX_BLOCK::LabelOff

The offset of the first slot where labels are stored in this Label Storage Area.

Definition at line 69 of file NvdimmLabel.h.

◆ LabelSize

UINT8 EFI_NVDIMM_LABEL_INDEX_BLOCK::LabelSize

Size of each label in bytes, 128 bytes << LabelSize. 1 means 256 bytes, 2 means 512 bytes, etc. Shall be 1 or greater.

Definition at line 43 of file NvdimmLabel.h.

◆ Major

UINT16 EFI_NVDIMM_LABEL_INDEX_BLOCK::Major

Major version number. Value shall be 1.

Definition at line 79 of file NvdimmLabel.h.

◆ Minor

UINT16 EFI_NVDIMM_LABEL_INDEX_BLOCK::Minor

Minor version number. Value shall be 2.

Definition at line 84 of file NvdimmLabel.h.

◆ MyOff

UINT64 EFI_NVDIMM_LABEL_INDEX_BLOCK::MyOff

The offset of this Index Block in the Label Storage Area.

Definition at line 53 of file NvdimmLabel.h.

◆ MySize

UINT64 EFI_NVDIMM_LABEL_INDEX_BLOCK::MySize

The size of this Index Block in bytes. This field must be a multiple of the EFI_NVDIMM_LABEL_INDEX_ALIGN.

Definition at line 59 of file NvdimmLabel.h.

◆ NSlot

UINT32 EFI_NVDIMM_LABEL_INDEX_BLOCK::NSlot

The total number of slots for storing labels in this Label Storage Area.

Definition at line 74 of file NvdimmLabel.h.

◆ OtherOff

UINT64 EFI_NVDIMM_LABEL_INDEX_BLOCK::OtherOff

The offset of the other Index Block paired with this one.

Definition at line 64 of file NvdimmLabel.h.

◆ Seq

UINT32 EFI_NVDIMM_LABEL_INDEX_BLOCK::Seq

Sequence number used to identify which of the two Index Blocks is current.

Definition at line 48 of file NvdimmLabel.h.

◆ Sig

CHAR8 EFI_NVDIMM_LABEL_INDEX_BLOCK::Sig[EFI_NVDIMM_LABEL_INDEX_SIG_LEN]

Signature of the Index Block data structure. Must be "NAMESPACE_INDEX\0".

Definition at line 32 of file NvdimmLabel.h.

The documentation for this struct was generated from the following file: