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 V6R1.0. Last updated on 18 Feb 2010 at 08:20:26 EDT.
Copyright IBM Corporation, 1990, 2008