GCEx entry for CSM storage movement
- Entry:
- GCEA or GCER
- VIT option:
- CIA
- Event:
- CSM storage movement
- VIT processing module:
- ISTRACOU
- Control is returned to:
- The module that issued the INTRACE
This trace record shows the movement of CSM cells between different queues. This macro is used for QDIO and HiperSockets devices.
- Byte (hex)
- Contents
- 00 - 03
- Record ID:
- C"GCEA" for adding CSM cell to queue
- C"GCER" for removing CSM cell from queue
- 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
- Count of buffers available on queue
- 08 - 0B
- CSM buffer address. If this trace entry is for a 64 bit address, this field is X'FFFFFFFF' .
- 0C - 0F
- Address of caller
- 10 - 13
- Starting address of the queue that the CSM cell is being added to or removed from. If this trace entry is for a 64 bit address mode, this field is X'FFFFFFFF' .
- 14 - 17
- First 4 bytes of anchor
- 18 - 19
- Module eye catcher of caller
- 1A - 1B
- 0
- 1C - 1F
- RPH address or thread