526 IBM z13s Technical Guide
Figure G-2 on page 525 lists the following information for each adapter:
PCHID and ports
Resource Group the adapter is attached to (Comment column)
Physical location (drawer, slot)
The report shows a balanced configuration where I/O domains and resource groups are
distributed for both types of features:
I/O domain 0 of drawer Z22B, attached to resource group RG1, has:
– Two zEDC Express features, installed in slot 3 and 4
– Two 10GbE RoCE Express features, installed in slot 6 and 7
I/O domain 1 of drawer Z22B, attached to resource group RG2, has:
– Two zEDC Express features, installed in slot 37 and 38
– Two 10GbE RoCE Express features, installed in slot 35 and 36
The native PCIe features are not part of the traditional channel subsystem (CSS). They do not
have a channel-path identifier (CHPID) assigned, but they have a PCHID assigned according
to the physical location in the PCIe I/O drawer.
To define the native PCIe adapters in the HCD or HMC, a new I/O configuration program
(IOCP) FUNCTION statement is introduced that includes several feature-specific parameters.
The IOCP example in Figure G-3 on page 527 define zEDC Express and 10GbE RoCE
Express features to LPARs LP14 and LP15 as listed below:
Both LPARs have access to two zEDC Express features with redundancy:
– PCHID 108 in I/O domain 0 of drawer Z22B, in resource group RG1
– PCHID 178 in I/O domain 1 of drawer Z22B, in resource group RG2
Both LPARs have access to two 10GbE RoCE Express features with redundancy:
– PCHID 110 in I/O domain 0 of drawer Z22B, in resource group RG1
– PCHID 170 in I/O domain 1 of drawer Z22B, in resource group RG2
Both LPARs have access to both networks, which PNETID as NET1 and NET2.
Note: F/C 0420 = zEDC Express, F/C 0411 = 10GbE RoCE Express
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