Table A-46
PRP 2
Bit
Description
63:00
PRP Entry 2 (PRP2):
This field 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-47
Command Dword 10
Bit
Description
31:00
Data_Len:
This field indicates the data
length in unit of Dword. If data transfer is
not needed, the value is 0h.
Table A-48
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-49
Sub_Opcode
Sub_OpCode
Description
01h
Delete vendor-defined logs and information.
02h
Configure the SSD capacity.
1Ah
Recover data
A.6.2.1 Configuring the Enablement Status of User Functions
This command is used to enable or disable a specified function. Sub_OpType describes the
function types and Dword13 describes the enablement status of the functions.
ES3000 V3 NVMe PCIe SSD
User Guide
A Supported NVMe Commands
Issue 20 (2019-02-27)
Copyright © Huawei Technologies Co., Ltd.
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