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 7.3.0 Last updated on 22 Jun 2022 at 15:53:36 EDT.
Copyright IBM Corporation, 1990, 2022