Huawei ES3000 V5 User Manual page 219

ES3000 V5 NVMe PCIe SSD
User Guide
Byte
09
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Issue 07 (2019-03-19)
Factory Description
Default
04h PCIe Maximum Link Width: The maximum PCIe link width for
this NVM Subsystem port. This is the expected negotiated link
width that the port link trains to if the platform supports it. A
Management Controller may compare this value with the PCIe
Negotiated Link Width to determine if there has been a PCIe link
training issue.
Value
0
1
2
3
4
5-7
8
9-11
12
13-15
16
17-31
32
33-255
00h MCTP Support: This field contains a bit vector that specifies the
level of support for the NVMe Management Interface. Bits 7 to 1
are reserved. Bit 0, if set to 1, indicates that MCTP based
management commands are supported on the PCIe port.
01h Ref Clk Capability: This field contains a bit vector that specifies
the PCIe clocking modes supported by the port.
Bit
7:04
3
Copyright © Huawei Technologies Co., Ltd.
B Out-of-Band Management
Definition
Reserved
PCIe x1
PCIe x2
Reserved
PCIe x4
Reserved
PCIe x8
Reserved
PCIe x12
Reserved
PCIe x16
Reserved
PCIe x32
Reserved
Definition
Reserved
Set to 1 if the device automatically
uses RefClk if provided and
otherwise uses SRIS. Otherwise
cleared to 0.
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