CFCN entry for coupling facility connection service (Part 1)
- Entry:
- CFCN
- VIT option:
- CFS
- Event:
- Invocation of the MVS™ macro IXLCONN
- VIT processing module:
- ISTRACCF
- Control is returned to:
- ISTFSGCN
This trace record is written when there is an attempted
connection to the coupling facility structure with the IXLCONN macro.
- Byte (hex)
- Contents
- 00–03
- Record ID: C"CFCN"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- Event flags:
- Bit
- Meaning
1... ....
- The rebuild process is in progress for the structure.
.1.. ....
- The rebuild stop process is in progress for the structure.
..1. ....
- This connection attempt caused the structure to be allocated.
...1 ....
- A previously failed connection has been reestablished.
.... 1...
- Full connectivity to the rebuild structure cannot be obtained. This bit is valid only if this connection attempt caused the structure to be allocated. This bit is set only if IXLCONN was invoked during rebuild processing.
... .1..
- The structure involved is volatile.
... ..1.
- VTAM® did not process this event.
... ...x
- 0
- 06
- 0
- 07
- Connection identifier or 0. If IXLCONN was successful, this field contains the connection identifier assigned to this connection. Otherwise this field contains the value 0.
- 08–0B
- Structure object (CFSSTR) address
- 0C–0F
- 0
- 10–13
- The address of the invoker of IXLCONN
- 14–17
- Return code for the MVS macro IXLCONN
- 18–1B
- Reason code for the MVS macro IXLCONN
- 1C–1F
- Request parameter header (RPH) address