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Programming Interface Information:
This page documents intended Programming
Interfaces that allow the customer to write programs to obtain the services of VM/ESA. |
DD4PARM0
Cross Reference (Contains links to field and bit definitions)
DD4PARM0 Prolog
NAME : DD4PARM0
DESCRIPTION: ALTERNATE USER SUPPORT INTERFACE FOR DIAG X'D4'.
DSECT : DD4PARM0
FUNCTION : THIS BLOCK IS USED AS AN INTERFACE
TO COMMUNICATE THE USERID OF THE WORKER VIRTUAL
MACHINE AND THE USERID OF THE END USER TO DIAG X'D4'.
For subcode 4, the SECLABEL of the end user
is also included.
LOCATED BY : HCPVDG
CREATED BY : ANY MODULE PRIOR TO EXECUTION OF DIAG X'D4'.
DELETED BY : THE MODULE THAT CREATED IT.
DD4PARM0 Control Block Content
DD4PARM0 DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DD4PARM0 ALTERNATE USER SUPPORT INTERFACE FOR DIAG X'D4'. 0000 0 Character 8 DD4PTGT USERID OF WORKER WHICH WILL RUN WITH ALTERNATE ID. 0008 8 Character 8 DD4PALT USERID OF END USER REQUESTING WORK. 0010 16 Character 8 DD4ALTSC SECLABEL of user requesting work. 00000018 DD4BSIZE *-DD4PARM0 SIZE IN BYTES 00000003 DD4DSIZE ((*-DD4PARM0)+7)/8 SIZE IN DOUBLEWORDS
DD4PARM0 Storage Layout
*** DD4PARM0 - ALTERNATE USER SUPPORT INTERFACE FOR DIAG X'D4'. * * +-------------------------------------------------------+ * 0 | DD4PTGT | * +-------------------------------------------------------+ * 8 | DD4PALT | * +-------------------------------------------------------+ * 10 | DD4ALTSC | * +-------------------------------------------------------+ * 18 * *** DD4PARM0 - ALTERNATE USER SUPPORT INTERFACE FOR DIAG X'D4'.
DD4PARM0 Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----DD4ALTSC 0010
DD4BSIZE 0010 00000018
DD4DSIZE 0010 00000003
DD4PALT 0008
DD4PTGT 0000
Last updated on 3 Aug 1999 at 11:37:52 EDT.
Copyright IBM Corporation, 1990, 1999