DRBx entry for invoking a RoCE doorbell operation
- Entry:
- DRBx
- VIT option:
- CIA
- Event:
- Invocation of a Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE) doorbell operation, as part of Shared Memory Communications over Remote Direct Memory Access (SMC-R) processing.
- VIT processing module:
- ISTITCSH
This trace record is written upon completion of a RoCE doorbell operation.
- Byte (hex)
- Contents
- 00–03
- Record ID:
- C'DRBC' for CQ doorbell
- C'DRBE' for EQ doorbell
- C'DRBR' for Receive doorbell
- C'DRBS' for Send doorbell
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06–07
- Array index
- 08–0F
- Doorbell-related data
- 10–17
- Address of the PFCTE
- 18–1F
- Address of the control block that is associated with this doorbell activity