Summary of UIM Requests

z/OS V1R7.0-V1R12.0 MVS Device Validation Support

Summary of UIM Requests

z/OS V1R7.0-V1R12.0 MVS Device Validation Support
SA22-7586-01

Table 1 summarizes what type of request is called for what kind of process, including the caller of each type of request.

Table 1. Type of UIM Requests
Type of request to be processed by a UIM	UIM caller
Type of request to be processed by a UIM	HCD Initiali- zation	HCD Device Valid	HCD Report Function	IPL Process	MVS Dyn. Activate
Initialization	X		X	X	X
Validate Device Parameter		X
Validate Device Feature		X
Validate Device Number		X
Validate Unit Address		X
Build Device Feature Tables			X	X	X
End of Data Processing				X

The following sections describe the structure of a UIM and the processing for each type of request.