DFSCMC10 (channel-end appendage)

The only modules that manipulate the LXB trace stack are the CTC access method modules, DFSCMC00, DFSCMC10, DFSCMC40, and DFSCMC50. The values and meaning of DFSCMC100 are listed.

Byte 1, bits 4-7
Value
Meaning
0
Nothing was done
1
LXB was posted with STARTUP complete; the link is available for a WRITE operation
2
LXB was posted with STARTUP complete; STARTUP message was received
3
During STARTUP processing, no-operation command was scheduled
5
LXB was posted; message received
6
LLB was posted; message received
8
During STARTUP processing, control command was scheduled
9
LLB was posted; an error occurred on message that was written
A
LLB was posted; an error occurred on message that was received
B
LXB was posted; an error occurred on message that was received
Byte 2
This contains the first command code in the just-completed channel program (pointed to by IOSVST).