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

DD8PARM0

Prolog  

Control Block Contents  
   DD8PARM0 DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


DD8PARM0 Prolog

 NAME       : DD8PARM0
 DESCRIPTION: Parameter List Dsect for HCPSFB
 DSECT      : DD8PARM0
 FUNCTION   : To contain Parameters needed as input by HCPSFB
              (Diag. D8).
 CREATED BY : Any Module prior to execution of Diag X'D8'.
 DELETED BY : The Module that created it.

 

DD8PARM0 Control Block Content


DD8PARM0 DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DD8PARM0       Parameter List Dsect for HCPSFB
0000    0 Signed       2 DD8PSPID       Spool file ID of the previous
                                        file
0002    2 Signed       2 DD8PCODE       Subfunction code
0004    4 Signed       4 DD8PBUF        Users Buffer address
0008    8 Character    8 DD8PUSER       Owner of file if selecting by
                                        user
0010   16 Bitstring    1 DD8PTYPE       Queue to search (RDR|PRT|PUN)
          1... ....      DD8PRINT       X'80' Scan the Print Queue
          .1.. ....      DD8PUNCH       X'40' Scan the Punch Queue
          ..1. ....      DD8READ        X'20' Scan the Reader Queue
0011   17 Bitstring    1 DD8PSIZE       Size of Users buffer in DWORDS
0012   18 Bitstring    1 DD8PCFLG       Control byte
          1... ....      DD8ANYVM       X'80' Get next file on 'SYSTEM'
                                        Queue
          .... ....      DD8USRVM       X'00' Get next file on 'USER'
                                        Queue
0013   19 Bitstring    5 DD8PRSVD       Reserved, must be 0
          00000018       DD8BSZ         *-DD8PARM0 Size of Parm List in
                                        Bytes
          00000003       DD8DSZ         (*-DD8PARM0+7)/8 Size of Parm
                                        List in Dwords
          00000014       DD8DFSZ        20 Default size of Buffer
                                        (DWORDS)

 

DD8PARM0 Storage Layout

          
*** DD8PARM0 - Parameter List Dsect for HCPSFB
*
*     +-------------+-------------+---------------------------+
*   0 |  DD8PSPID   |  DD8PCODE   |         DD8PBUF           |
*     +-------------+-------------+---------------------------+
*   8 |                       DD8PUSER                        |
*     +------+------+------+----------------------------------+
*  10 |:PTYPE|:PSIZE|:PCFLG|            DD8PRSVD              |
*     +------+------+------+----------------------------------+
*  18
*
*** DD8PARM0 - Parameter List Dsect for HCPSFB

 

DD8PARM0 Cross Reference

Symbol         Dspl Value
-------------- ---- -----
DD8ANYVM       0012 80
DD8BSZ         0013 00000018
DD8DFSZ        0013 00000014
DD8DSZ         0013 00000003
DD8PBUF        0004
DD8PCFLG       0012
DD8PCODE       0002
DD8PRINT       0010 80
DD8PRSVD       0013
DD8PSIZE       0011
DD8PSPID       0000
DD8PTYPE       0010
DD8PUNCH       0010 40
DD8PUSER       0008
DD8READ        0010 20
DD8USRVM       0012 00

This information is based on z/VM V4R2.0. Last updated on 18 Oct 2001 at 07:24:48 EDT.
Copyright IBM Corporation, 1990, 2001