Table A-100
PRP2
Bit
Description
63:00
PRP Entry 2 (PRP2):
indicates the second PRP entry. If PRP Entry 1
specifies enough space for the data structure, this field is reserved.
Otherwise, it specifies the remainder of the data buffer. This field shall
not be a pointer to a PRP List If the data structure requires two PRP
entries, this field represents the second PRP entry address. If data of
more than two PRP entries is transferred, this field points to a PRP list.
Table A-101
Command Dword 10
Bit
Description
31:00
Data_Len:
indicates the data length in unit
of Dword. If data transfer is not needed, the
value is 0h.
Table A-102
Command Dword 12
Bit
Description
31:16
Sub_OpType:
subcommand operation type
15:00
Sub_OpCode:
subcommand number
This command currently supports the following Sub_Opcodes:
Table A-103
Sub_Opcode
Sub_OpCode
Description
01h
Delete vendor-defined logs and information.
02h
Configure the SSD capacity.
1Ah
Recover data
1Dh
NN value
A.6.2.2.1 Deleting SMART Information
This command is used to delete SMART information, alarm information, and other
information. It is recommended that users do not use this command.
This command uses the Dword12 field. Enter reserved value 0 for other fields that are not
involved.
ES3000 V5 NVMe PCIe SSD
User Guide
A Supported NVMe Commands
Issue 07 (2019-03-19)
Copyright © Huawei Technologies Co., Ltd.
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