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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
DIUCV
Cross Reference (Contains links to field and bit definitions)
DIUCV Prolog
NAME : HCPDIUCV
DESCRIPTION: DIRECTORY IUCV BLOCK
DSECT : DIUCV
FUNCTION : TO PRESERVE INFORMATION FROM THE "IUCV"
DIRECTORY CONTROL STATEMENT. THERE WILL
BE ONE HCPDIUCV CREATED FOR EACH "IUCV"
STATEMENT IN THE SOURCE DIRECTORY.
LOCATED BY : FIELDS DVMDIDAS AND DVMDIDSP IN DVMD
FIELDS DIUCDASD AND DIUCDISP IN DIUCV
GPR2 IN HCPIUBAC
GPR2 IN HCPIUBCO
GPR2 in HCPIUPCO
GPR5 in HCPUDRIA
GPR5 in HCPUDRID
CREATED BY : HCPDIR, HCPUDRIA
DELETED BY : HCPIUBAC, HCPIUBCO, HCPIUPCO
DIUCV Control Block Content
DIUCV DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DIUCV DIRECTORY IUCV BLOCK 0000 0 Character 8 DIUCUSER USERID AUTHORIZED TO CONNECT TO 0008 8 Signed 4 DIUCDASD DASD ADDRESS OF NEXT DIUCV CCPV for CKD DASD addresses PPPV for FBA DASD addresses 000C 12 Signed 2 DIUCDISP DISPLACEMENT OF NEXT DIUCV 000E 14 Signed 2 DIUCMLIM MESSAGE LIMIT 0010 16 Bitstring 1 DIUCSTAT FLAGS 1... .... DIUCPRTY X'80' PRIORITY WAS SPECIFIED 0011 17 Bitstring 1 DIUCFLAG Flags for IUCV *IDENT dir. stmt. 1... .... DIUCGWAY X'80' DIUCNAME is a gateway_LU .1.. .... DIUCGLBL X'40' DIUCNAME is a global resource ..1. .... DIUCLCL X'20' DIUCNAME is a local resource .... ..1. DIUCRVK X'02' Authorized to revoke .... ...1 DIUCIDEN X'01' Authorized to identify 0012 18 Bitstring 6 * Reserved for future IBM use 0018 24 Character 8 DIUCNAME "RESANY", "GATEANY", or name of resource/gateway_LU (Only for IUCV *IDENT dir. stmt.) 00000004 DIUCSIZE (*-DIUCV+7)/8 DIUCV SIZE IN DW'S 00000020 DIUCLEN (*-DIUCV) DIUCV SIZE IN BYTES
DIUCV Storage Layout
*** DIUCV - DIRECTORY IUCV BLOCK * * +-------------------------------------------------------+ * 0 | DIUCUSER | * +---------------------------+-------------+-------------+ * 8 | DIUCDASD | DIUCDISP | DIUCMLIM | * +------+------+-------------+-------------+-------------+ * 10 |:CSTAT|:CFLAG|/////////////////////////////////////////| * +------+------+-----------------------------------------+ * 18 | DIUCNAME | * +-------------------------------------------------------+ * 20 * *** DIUCV - DIRECTORY IUCV BLOCK
DIUCV Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----DIUCDASD 0008
DIUCDISP 000C
DIUCFLAG 0011
DIUCGLBL 0011 40
DIUCGWAY 0011 80
DIUCIDEN 0011 01
DIUCLCL 0011 20
DIUCLEN 0018 00000020
DIUCMLIM 000E
DIUCNAME 0018
DIUCPRTY 0010 80
DIUCRVK 0011 02
DIUCSIZE 0018 00000004
DIUCSTAT 0010
DIUCUSER 0000
Last updated on 3 Aug 1999 at 11:52:12 EDT.
Copyright IBM Corporation, 1990, 1999