NVME_PROTECTION_INFORMATION_TYPE1Type 1 protection information is enabled. NVME_PROTECTION_INFORMATION_TYPE2Type 2 protection information is enabled. NVME_PROTECTION_INFORMATION_TYPE3Type 3 protection information is enabled. Remarks Use this enumeration to specify values in the PI field of the NVME_CD...
NVMe端到端数据保护的核心在于使用PI（Protection Information）机制。完整的保护机制支持从主机直至SSD内部的端到端数据路径保护。在数据生成时，通过添加PI作为元数据伴随用户数据传输和校验，以降低静默错误。同时，通过ECC（如BCH、LDPC）和Die间RAID5等手段修正检测到的错误，提高端到端数据传输的可靠性。
NVME_PROTECTION_INFORMATION_TYPES DPS.ProtectionInfoTypeEnabled DPS 構造体のビット 2:0 は、保護情報が有効かどうか、および保護情報の種類が有効になっているかどうかを示すNVME_PROTECTION_INFORMATION_TYPES値です。 DPS.InfoAtBeginningOfMetadata DPS 構造体のビット 3 は、保護情報が有効になっている...
dpc :0xf[4:4] :0Protection Information TransferredasLast8Bytes of Metadata Not Supported [3:3] :0x1Protection Information TransferredasFirst8Bytes of Metadata Supported [2:2] :0x1Protection Information Type3Supported [1:1] :0x1Protection Information Type2Supported [0:0] :0x1Protection Informat...
NVME_LBA_RANGET_TYPE_ENTRY结构 NVME_LOG_PAGES枚举 NVME_NVM_COMMANDS枚举 NVME_NVM_QUEUE_PRIORITIES枚举 NVME_NVM_SUBSYSTEM_RESET结构 NVME_POWER_STATE_DESC结构 NVME_PROTECTION_INFORMATION_TYPES枚举 NVME_PRP_ENTRY联合 NVME_RESERVATION_NOTIFICATION_LOG结构 ...
information about the specified controllerinhuman-readableorbinary format. May alsoreturnvendor-specific controller attributesinhex-dumpif requested. Options: [--vendor-specific, -v ] --- dump binary vendor field [--output-format=<FMT>, -o <FMT> ] --- Output format: normal|json|binary ...
NVME_LBA_RANGET_TYPE_ENTRY structure NVME_LOG_PAGES enumeration NVME_NVM_COMMANDS enumeration NVME_NVM_QUEUE_PRIORITIES enumeration NVME_NVM_SUBSYSTEM_RESET structure NVME_POWER_STATE_DESC structure NVME_PROTECTION_INFORMATION_TYPES enumeration NVME_PRP_ENTRY union NVME_RESERVATION_NOTIFICATION_LOG structure...
1024GB,M.2 2280,SED:SDBQNPZ-1T00 Support & Resources Support for PC SN530 NVMe SSD Access the latest downloads, articles, troubleshooting tips, and warranty services. Visit Product Support Product Brief Download Disclosures As used for storage capacity, one gigabyte (GB) = one billion bytes ...
当前正在运行的Firmware Image版本可以由图111中的Identify Controller Data Struct中的Firmware Revision字段确定或者由Log Page中的Firmware Slot Information确定。NVM系统中的所有Controller应该共享Firmware Image Slot而且所有Controller应该运行同一个Firmware Image。
} MC;struct{UCHAR ProtectionInfoType1 :1; UCHAR ProtectionInfoType2 :1; UCHAR ProtectionInfoType3 :1; UCHAR InfoAtBeginningOfMetadata :1; UCHAR InfoAtEndOfMetadata :1; UCHAR Reserved :3; } DPC;struct{UCHAR ProtectionInfoTypeEnabled :3; ...