Programming Interface Information:
This page documents intended Programming Interfaces that
allow the customer to write programs to obtain the services of z/VM.

CCED

Prolog  

Control Block Contents  
   CCED DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


CCED Prolog

 NAME       : CCED
 DESCRIPTION: APPC/VM CONNECTION COMPLETE EXTENDED DATA BLOCK
 DSECT      : CCED
 FUNCTION   : TO PASS INFORMATION BETWEEN IUCV ENTRY POINTS.
 LOCATED BY : PDESADDR WHEN PDECCED IS SET IN THE PDEAPPF4 FIELD
 CREATED BY : HCPIUBAC
 DELETED BY : HCPIUMRF

 

CCED Control Block Content


CCED DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      CCED           APPC/VM CONNECTION COMPLETE
                                        EXTENDED DATA BLOCK
0000    0 Signed       2 CCEDTOTL       EXTENDED DATA LENGTH
0002    2 Signed       2 CCEDFIXL       LENGTH OF FIXED LENGTH FIELDS
0004    4 Signed       4 *              RESERVED
0008    8 Bitstring    1 CCEDSIIL       C*1 SESSION INSTANCE IDENTIFIER
                                        LEN
0009    9 Bitstring    1 CCEDCVCL       C*2 CONVERSATION CORRELATOR
                                        LENGTH
000A   10 Bitstring    1 CCEDLFQL       C*3 LOCAL FULLY QUALIFIED LU NAME
                                        LEN
000B   11 Bitstring    1 CCEDRFQL       C*4 REMOTE FULLY QUALIF LU NAME
                                        LEN
000C   12 Signed       4 *              RESERVED
0010   16 Bitstring    8 CCEDSII        SESSION INSTANCE IDENTIFIER
0018   24 Bitstring    8 CCEDCVC        CONVERSATION CORRELATOR
0020   32 Character   17 CCEDLFQN       LOCAL FULLY QUALIFIED LU NAME
0031   49 Character   17 CCEDRFQN       REMOTE FULLY QUALIFIED LU NAME
0042   66 Character    6 *              RESERVED
0048   72 Character    8 CCEDUSER       CONVERSATION ACCESS USERID
     THE FOLLOWING VALUE IS THE MINIMUM VALID SIZE OF THE CCED. ANY NEW
     FIELDS ADDED AFTER CCEDUSER SHOULD BE ADDED BETWEEN THE CCEDMINL AND
     CCEDFIX DEFINITIONS TO MAINTAIN THE MINIMUM SIZE.
          00000050       CCEDMINL       *-CCED MINIMUM VALID CCED SIZE
          00000048       CCEDFIX        *-CCEDSIIL FIXED FIELDS LENGTH
          00000050       CCEDTOT        *-CCED TOTAL LENGTH OF CCED
          0000000A       CCEDDBSZ       (*-CCED+7)/8 DOUBLEWORD SIZE OF
                                        CCED

 

CCED Storage Layout

          
*** CCED - APPC/VM CONNECTION COMPLETE EXTENDED DATA BLOCK
*
*     +-------------+-------------+---------------------------+
*   0 |  CCEDTOTL   |  CCEDFIXL   |///////////////////////////|
*     +------+------+------+------+---------------------------+
*   8 |:DSIIL|:DCVCL|:DLFQL|:DRFQL|///////////////////////////|
*     +------+------+------+------+---------------------------+
*  10 |                       CCEDSII                         |
*     +-------------------------------------------------------+
*  18 |                       CCEDCVC                         |
*     +-------------------------------------------------------+
*  20 |                                                       |
*     =                       CCEDLFQN                        =
*     |      +------------------------------------------------+
*  30 |      |                                                |
*     +------+                                                |
*     |                       CCEDRFQN                        |
*     |             +-----------------------------------------+
*  40 |             |/////////////////////////////////////////|
*     +-------------+-----------------------------------------+
*  48 |                       CCEDUSER                        |
*     +-------------------------------------------------------+
*  50
*
*** CCED - APPC/VM CONNECTION COMPLETE EXTENDED DATA BLOCK

 

CCED Cross Reference

Symbol         Dspl Value
-------------- ---- -----
CCEDCVC        0018
CCEDCVCL       0009
CCEDDBSZ       0048 0000000A
CCEDFIX        0048 00000048
CCEDFIXL       0002
CCEDLFQL       000A
CCEDLFQN       0020
CCEDMINL       0048 00000050
CCEDRFQL       000B
CCEDRFQN       0031
CCEDSII        0010
CCEDSIIL       0008
CCEDTOT        0048 00000050
CCEDTOTL       0000
CCEDUSER       0048

This information is based on z/VM V4R4.0. Last updated on 29 Jul 2003 at 15:08:54 EDT.
Copyright IBM Corporation, 1990, 2003