- Entry:
- RCPx
- VIT option:
- CIA
- Event:
- Invocation of a Remote Direct Memory Access (RDMA) over Converged
Ethernet (RoCE) verb, as part of Shared Memory Communications
over Remote Direct Memory Access (SMC-R) processing.
- VIT processing module:
- ISTITCSH
- Control is returned to:
- The module that issued the INTRACE macroinstruction
This trace record is written upon invocation or completion
of a RoCE verb.
- Byte (hex)
- Contents
- 00–03
- Record ID:
- C'RCPI' for the RoCE parameter list information before the call
- C'RCPO' for the RoCE parameter list information after the call
- 04
- ID is the primary address space ID (ASID). This field is 0 if
the ASID is greater than X'FF'.
- 05
- Instance identifier within the module
- 06–07
- Length of the parameter list (PLIST) that is used for the RoCE
verb invocation
- 08–0B
- A related control block for this particular ROCE verb. This control
block can be either a storage control block or a control block that
represents the queue pair, VLAN, or 10GbE RoCE Express® interface that this verb affects.
- 0C–0F
- Address of the associated RUNCB
- 10–13
- Address of the associated SRNCB
- 14–17
- Parameter list address. This is a 64-bit address, but only the
lower 32 bits are shown in the trace record.
- 18–19
- Last 2 characters of the module that issued the RoCE verb
- 1A–1B
- Peripheral Component Interconnect Express (PCIe) function ID (PFID) defining
the 10GbE RoCE Express interface
that was the target of the RoCE verb, in hexadecimal
- 1C–1F
- Request parameter header (RPH) address