XID channel program (X-side)

z/OS Communications Server: SNA Diagnosis Vol 1, Techniques and Procedures

XID channel program (X-side)

z/OS Communications Server: SNA Diagnosis Vol 1, Techniques and Procedures
GC27-3667-00

Figure 1 shows the data areas associated with the following XID channel program.

Sequence	CCW	Command code (hex)	Flags	Address	Byte count
1	Write Control	17	CC,SLI	Zero	1
2	TIC	08	—	WRITE CCW	—
3	Write	01	CC,SLI	XCNOCTL	8
4	Write	01	CC,SLI	PIOPOTXT	Length of XID
5	TIC	08	—	READ CCW	—
6	Read	02	CC,SLI	XCNICTL	8
7	Read	02	CC,SLI	PIOPITXT	Length of XID
8	TIC	08	—	READ CCW	—
9	Read	02	CC,SLI	XCNOVTXT	4

Figure 1. Data areas used for XID channel programs (X-side)