Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
CSEEHDBK
Control Block Contents
CSEEHDBK DSECT
Cross Reference (Contains links to field and bit definitions)
CSEEHDBK Prolog
NAME : CSEEHDBK DESCRIPTION: CSL header record for ECKD devices DSECT : CSEEHDBK FUNCTION : Map the Cross System Link header record for ECKD devices. There is one header record on every volume that has been XLINK FORMATted with an ECKD channel program. LOCATED BY : N/A CREATED BY : N/A DELETED BY : N/A SERIALIZED : N/A
CSEEHDBK Control Block Content
CSEEHDBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CSEEHDBK CSL header record for ECKD devices 0000 0 Character 8 ISFEHHDR CSE version, release, level 0008 8 Character 8 ISFEUSER Userid who did the XLINK FORMAT 0010 16 Character 8 ISFESYSN System that did the XLINK FORMAT 0018 24 Character 8 ISFEDATE Date of XLINK FORMAT 0020 32 Character 8 ISFETIME Time of XLINK FORMAT 0028 40 Character 8 ISFECHK Indicates formatted for ECKD 0030 48 Signed 2 ISFEFREC Number of records formatted 0032 50 Bitstring 1 * (6) Reserved for future use 00000038 ISFEHDRL *-CSEEHDBK Length of header record
CSEEHDBK Storage Layout
*** CSEEHDBK - CSL header record for ECKD devices * * +-------------------------------------------------------+ * 0 | ISFEHHDR | * +-------------------------------------------------------+ * 8 | ISFEUSER | * +-------------------------------------------------------+ * 10 | ISFESYSN | * +-------------------------------------------------------+ * 18 | ISFEDATE | * +-------------------------------------------------------+ * 20 | ISFETIME | * +-------------------------------------------------------+ * 28 | ISFECHK | * +-------------+-----------------------------------------+ * 30 | ISFEFREC |/////////////////////////////////////////| * +-------------+-----------------------------------------+ * 38 * *** CSEEHDBK - CSL header record for ECKD devices
CSEEHDBK Cross Reference
Symbol Dspl Value -------------- ---- ----- ISFECHK 0028 ISFEDATE 0018 ISFEFREC 0030 ISFEHDRL 0032 00000038 ISFEHHDR 0000 ISFESYSN 0010 ISFETIME 0020 ISFEUSER 0008
Last updated on 5 Jun 2001 at 12:48:10 EDT.
Copyright IBM Corporation, 1990, 2001