HCR entry for invoking a RoCE HCR operation (Part 1)

Entry:
HCR
VIT option:
CIA
Event:
Invocation of a Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE) HCR operation, as part of Shared Memory Communications over Remote Direct Memory Access (SMC-R) processing when the IBM® 10GbE RoCE Express® feature operates in a dedicated environment.
VIT processing module:
ISTITCSH

This trace record is written upon completion of an HCR operation.

The contents of the trace record are described after the figure.
Byte (hex)
Contents
00–03
Record ID: C'HCR '
04
ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
05
Operation code
06–07
Module identifier of the module that issued the INTRACE command
08–09
Return code
0A–0B
Reason code
0C–0F
Operation code modifier
10–17
Address of the PFCTE
18–1B
Hardware handle
1C–1F
Request parameter header (RPH) address