VM370 Rel 6 Data Areas and Control Block Logic (Mar79)
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BUILT BY: DftTNPT, DMTSML FUNCTION: Execute an RSCS 0Ferator command tFSCRIPTION: This request element is passed by a line driver via GIVE/TAKE to the REX task in response to a command entry at a remote station. o 4 Length (n-1) OPERATIONAL NOTES Function Code: X'OO' RSCS Operator Command Line Text Unused r , , No response text is returned. Command responses are distrituted via Appendix C. RSCS Request Elements 299
BUILT BY: DMTNPT, DMTSML FUNCTION: Initiates or terminates processing of an input or output file. :CESCRIPTION: o 4 8 C This request element is passed via GIVE/TAKE to drivers to effect local spool file access during remote station. Length (X'13') I Function Code: I I X'01', X'02',1 I X'11', X'12' I Unused TAG Address I/O Area Address linkid ftodifiers OPERATIONAL NOTES the AXS task by line communications with a The use and meaning of the various fields depends on the requested function, as described telow. Certain fields may be updated during request processing. The (updated) file request element is returned to the requestor as a GIVE response.. The meanings of the other fields follow. Function Code: X'01' Mcdifiers: Unused Tag Address: Response field that points to the opened file's active TAG in DMTSYS I/O Area Address: Response field that points to a virtual page buffer containing the opened file's first VM/370 spool data buffer. linkid: Request field that specifies the requesting line driver's linkid. Response Post Codes: X'08' Terminal system error X'04' No file available X'02' Undefined linkid X'01' Previously open file returned 300 IBM VM/370 Data Areas and Control Block Logic