Table of Contents
Advertisement
ES3000 V5 NVMe PCIe SSD
User Guide
Table A-72 Command Dword 10
Bit
31:00
Table A-73 Command Dword 12
Bit
31:16
15:00
This command currently supports the custom Sub_Opcode as follows:
Table A-74 Sub_Opcode
Sub_OpCode
01h
02h
03h
20h
21h
25h
29h
2Ah
57h
59h
157h
A.6.2.1.1 Obtaining Logs and Statistical Information
This command is used to obtain vendor logs and statistics information from the SSD.
Each command sent from the host can obtain a maximum of 4KB of logs. The host obtains
the total log size through the vendor log length query command (SubOpCode 0x21h) and then
sends commands repeatedly to obtain all logs. Besides the total data size, the commands must
also specify an offset value, where 1 indicates 4 KB.
Issue 07 (2019-03-19)
Description
Data_Len: The length of data transmission is in the unit of Dword. If
data transmission is not needed, then the value is 0 h.
Description
Sub_OpType: Subcommand Processing Type
Sub_OpCode: Subcommand Number
Description
Obtain logs.
Obtain SSD ID parameters.
Obtain the function enablement status.
Query the maximum available capacity of the SSD.
Obtain the vendor-defined log length.
Query the PCB version.
Obtain the self-diagnosis result.
Obtain the chipset DIE ID.
Obtain the average DWPD value.
Obtain the unique ID.
Obtain the pending list.
Copyright © Huawei Technologies Co., Ltd.
A Supported NVMe Commands
187
Advertisement
Table of Contents
