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

EXITBUFF

Prolog  

Control Block Contents  
   EXITBUFF DSECT
   EXITFSRW DSECT
   EXILIST DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


EXITBUFF Prolog

 Name       : EXITBUFF
 Description: SFS Exit General Data Buffer mapping macro
 DSECT      : EXITBUFF
 Function   : Maps SFS Exit General Data Buffer records.

 

EXITBUFF Control Block Content


EXITBUFF DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      EXITBUFF       SFS Exit General Data Buffer
                                        mapping macro
     EXITBUFF MAPPING MACRO
0000    0 Character    8 EXIEYEC        Eye catcher - "EXITBUFF"
0008    8 Character    4 EXIFUNC (0)    Function Code
0008    8 Bitstring    1 EXITID         Exit ID
0009    9 Character    3 *              Reserved
000C   12 Character    8 EXIMACID       SFS Machine ID
0014   20 Character    8 EXIFPID        Filepoolid
001C   28 Character    8 EXIREQID       Requestor ID
0024   36 Character   24 EXIRSRVD       Reserved
003C   60 Address      4 EXIRPTR        Remainder pointer
          00000040       EXIBSIZE       *-EXITBUFF Size of EXITBUFF

EXITFSRW DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      EXITFSRW       SFS Exit General Data Buffer
                                        mapping macro
0000    0 Character    8 EXIEYE1        Eye catcher - "EXITFSRW"
0008    8 Address      4 EXIPTR1        Pointer to first entry in
                                        following list
000C   12 Signed       4 EXILCNT        List count
0010   16 Signed       2 EXISG          Storage group
0012   18 Signed       2 EXISGTHR       Storage group threshold
0014   20 Signed       4 EXISGSIZ       Storage group size
0018   24 Signed       4 EXISGAVA       SG blocks available
          0000001C       EXICSIZE       *-EXITFSRW Size of EXITFSRW

EXILIST DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      EXILIST        SFS Exit General Data Buffer
                                        mapping macro
0000    0 Character    8 EXIEYE2        Eye catcher - "EXILIST"
0008    8 Address      4 EXINPTR        Pointer to next list entry
000C   12 Character    8 EXICONID       Owner of connection
0014   20 Character    8 EXIALTID       Alternate userid
001C   28 Character    8 EXINEWID       New connect userid
0024   36 Signed       4 EXILUWGP       LUW grouping
0028   40 Character    8 EXIFSID        Filespace ID
0030   48 Signed       4 EXIFSTHR       Filespace threshold
0034   52 Signed       4 EXIFSSIZ       Filespace size
0038   56 Signed       4 EXIFSCOM       FS blocks committed
003C   60 Signed       4 EXIWUFUN       FS blocks uncommitted
0040   64 Bitstring    1 EXIINFL        In flags
          1... ....      EXIINCOM       X'80' In process of committing
          .1.. ....      EXIINTRI       X'40' This connection triggered
                                        the exit
0041   65 Bitstring    1 EXIOUTFL       Out flags
          1... ....      EXIOUTRO       X'80' Rollback this connection
0042   66 Character    2 *              Reserved
          00000044       EXILSIZE       *-EXILIST Size of EXILIST
     Constants Other Exit ID definitions
          .... ..1.      EXIFSU         X'2' 2-Filespace Usage
          .... ..11      EXIRAW         X'3' 3-User Storage Group Full
          00000002       EXIOTHER       2 2-Other exit type CSL Routine
                                        return codes
          .... ....      EXISUCC        X'0' Successful
          .... .1..      EXINSCON       X'4' Function not supported,
                                        continue to call.
          .... .1.1      EXINSSUP       X'5' Function not supported,
                                        suppress further calls.

 

EXITBUFF Storage Layout

          
*** EXITBUFF - SFS Exit General Data Buffer mapping macro
*
*     +-------------------------------------------------------+
*   0 |                       EXIEYEC                         |
*     +------+--------------------+---------------------------+
*   8 |EXITID|////////////////////|        EXIMACID-          |
*     +------+--------------------+---------------------------+
*  10 |          -(00C)           |         EXIFPID-          |
*     +---------------------------+---------------------------+
*  18 |          -(014)           |        EXIREQID-          |
*     +---------------------------+---------------------------+
*  20 |          -(01C)           |                           |
*     +---------------------------+                           |
*  28 |                                                       |
*     =                       EXIRSRVD                        =
*     |                           +---------------------------+
*  38 |                           |         EXIRPTR           |
*     +---------------------------+---------------------------+
*  40
*
*** EXITBUFF - SFS Exit General Data Buffer mapping macro
          
*** EXITFSRW - SFS Exit General Data Buffer mapping macro
*
*     +-------------------------------------------------------+
*   0 |                       EXIEYE1                         |
*     +---------------------------+---------------------------+
*   8 |         EXIPTR1           |         EXILCNT           |
*     +-------------+-------------+---------------------------+
*  10 |   EXISG     |  EXISGTHR   |         EXISGSIZ          |
*     +-------------+-------------+---------------------------+
*  18 |         EXISGAVA          | 1C
*     +---------------------------+
*
*** EXITFSRW - SFS Exit General Data Buffer mapping macro
          
*** EXILIST - SFS Exit General Data Buffer mapping macro
*
*     +-------------------------------------------------------+
*   0 |                       EXIEYE2                         |
*     +---------------------------+---------------------------+
*   8 |         EXINPTR           |        EXICONID-          |
*     +---------------------------+---------------------------+
*  10 |          -(00C)           |        EXIALTID-          |
*     +---------------------------+---------------------------+
*  18 |          -(014)           |        EXINEWID-          |
*     +---------------------------+---------------------------+
*  20 |          -(01C)           |         EXILUWGP          |
*     +---------------------------+---------------------------+
*  28 |                       EXIFSID                         |
*     +---------------------------+---------------------------+
*  30 |         EXIFSTHR          |         EXIFSSIZ          |
*     +---------------------------+---------------------------+
*  38 |         EXIFSCOM          |         EXIWUFUN          |
*     +------+------+-------------+---------------------------+
*  40 |:INFL |:OUTFL|/////////////| 44
*     +------+------+-------------+
*
*** EXILIST - SFS Exit General Data Buffer mapping macro

 

EXITBUFF Cross Reference

Symbol         Dspl Value
-------------- ---- -----
EXIALTID       0014
EXIBSIZE       003C 00000040
EXICONID       000C
EXICSIZE       0018 0000001C
EXIEYEC        0000
EXIEYE1        0000
EXIEYE2        0000
EXIFPID        0014
EXIFSCOM       0038
EXIFSID        0028
EXIFSSIZ       0034
EXIFSTHR       0030
EXIFSU         0042 02
EXIFUNC        0008
EXIINCOM       0040 80
EXIINFL        0040
EXIINTRI       0040 40
EXILCNT        000C
EXILSIZE       0042 00000044
EXILUWGP       0024
EXIMACID       000C
EXINEWID       001C
EXINPTR        0008
EXINSCON       0042 04
EXINSSUP       0042 05
EXIOTHER       0042 00000002
EXIOUTFL       0041
EXIOUTRO       0041 80
EXIPTR1        0008
EXIRAW         0042 03
EXIREQID       001C
EXIRPTR        003C
EXIRSRVD       0024
EXISG          0010
EXISGAVA       0018
EXISGSIZ       0014
EXISGTHR       0012
EXISUCC        0042 00
EXITID         0008
EXIWUFUN       003C

This information is based on z/VM V4R3.0.
Last updated on 1 May 2002 at 14:17:29 EDT.
Copyright IBM Corporation, 1990, 2002