X4400 Back to Index page
 
Prolog 
Control Block Contents 
   X4400 DSECT
   X4407 DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  X4400 Prolog Top of page
  
 NAME       : HCPPLXIT
 DESCRIPTION: Parm list pointers for exit 4400
 DSECT      : X4400
 
 
  X4400 Control Block Content Top of page
  




 X4400 DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      X4400          Parm list pointers for exit 4400
0000    0 Address      4 *              1 Reserved
0004    4 Address      4 X4400UWD       2 User words
0008    8 Address      4 X4400TRT       3 TRT 256 bytes
000C   12 Address      4 X4400CCW       4 First CCW (or zero)
0010   16 Address      4 X4400PG1       5 First data page (SEPPAG1)
0014   20 Address      4 X4400PG2       6 Second data page (SEPPAG2)
0018   24 Address      4 X4400SPF       7 SPFBK
001C   28 Address      4 X4400RDV       8 RDEV
0020   32 Address      4 X4400RSP       9 RSPBK




 X4407 DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      X4407          Parm list pointers for exit 4407
0000    0 Address      4 *              1 Reserved
0004    4 Address      4 X4407UWD       2 User words
0008    8 Address      4 X4407TRT       3 TRT 256 bytes
000C   12 Address      4 X4407CCW       4 First CCW for trailer I/O
0010   16 Address      4 X4407PG1       5 CCW and data page (SEPTRL)
0014   20 Address      4 X4407SPF       6 SPFBK
0018   24 Address      4 X4407RDV       7 RDEV
001C   28 Address      4 X4407RSP       8 RSPBK
 
 
  X4400 Storage Layout Top of page
  
          
*** X4400 - Parm list pointers for exit 4400
*
*     +---------------------------+---------------------------+
*   0 |///////////////////////////|         X4400UWD          |
*     +---------------------------+---------------------------+
*   8 |         X4400TRT          |         X4400CCW          |
*     +---------------------------+---------------------------+
*  10 |         X4400PG1          |         X4400PG2          |
*     +---------------------------+---------------------------+
*  18 |         X4400SPF          |         X4400RDV          |
*     +---------------------------+---------------------------+
*  20 |         X4400RSP          | 24
*     +---------------------------+
*
*** X4400 - Parm list pointers for exit 4400
          
*** X4407 - Parm list pointers for exit 4407
*
*     +---------------------------+---------------------------+
*   0 |///////////////////////////|         X4407UWD          |
*     +---------------------------+---------------------------+
*   8 |         X4407TRT          |         X4407CCW          |
*     +---------------------------+---------------------------+
*  10 |         X4407PG1          |         X4407SPF          |
*     +---------------------------+---------------------------+
*  18 |         X4407RDV          |         X4407RSP          |
*     +---------------------------+---------------------------+
*  20
*
*** X4407 - Parm list pointers for exit 4407
 
 
  X4400 Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
X4400CCW       000C
X4400PG1       0010
X4400PG2       0014
X4400RDV       001C
X4400RSP       0020
X4400SPF       0018
X4400TRT       0008
X4400UWD       0004
X4407CCW       000C
X4407PG1       0010
X4407RDV       0018
X4407RSP       001C
X4407SPF       0014
X4407TRT       0008
X4407UWD       0004
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:32:54 EDT.
Copyright IBM Corporation, 1990, 2024