A0LBK Back to Index page
 
Prolog 
Control Block Contents 
   A0LBK 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.


  A0LBK Prolog Top of page
  
 NAME       : HCPA0LBK
 DESCRIPTION: Diagnose A0 (subcode x'24') list entry
 DSECT      : A0LBK
 FUNCTION   : Maps an entry returned to virtual machine by
              Diagnose A0, subcode x'24'
 LOCATED BY : N/A - virtual machine supplies storage
 CREATED BY : storage for entries is supplied by virtual
              machine which executes diagnose A0, subcode
              x'24'
 DELETED BY : N/A
 SERIALIZED : None
 RELOCATION CONSIDERATIONS : None
 
 
  A0LBK Control Block Content Top of page
  




 A0LBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      A0LBK          Diagnose A0 (subcode x'24') list entry
0000    0 Character   12 A0LNAME        Command, diagnose, or system
                                        function name
000C   12 Character   12 A0LCMDOP       Command operand. Valid only if
                                        entry type (i.e. A0LENTYP) is
                                        A0LCPCMD, A0LSTCMD, or A0LQYCMD
                                        and A0LOPRND is on
0018   24 Bitstring    1 A0LIBMCL       IBM Class. Valid only if entry
                                        type (i.e. A0LENTYP) is A0LCPCMD,
                                        A0LSTCMD, or A0LQYCMD.
          00000080       A0LIBMA        X'80' A0LIBMA IBM Class A
          00000040       A0LIBMB        X'40' A0LIBMB IBM Class B
          00000020       A0LIBMC        X'20' A0LIBMC IBM Class C
          00000010       A0LIBMD        X'10' A0LIBMD IBM Class D
          00000008       A0LIBME        X'08' A0LIBME IBM Class E
          00000004       A0LIBMF        X'04' A0LIBMF IBM Class F
          00000002       A0LIBMG        X'02' A0LIBMG IBM Class G
          00000001       A0LIBMH        X'01' A0LIBMH IBM Class H
          000000FF       A0LCLANY       X'FF' A0LCLANY IBM Class 'ANY'
0019   25 Bitstring    1 A0LENTYP       Entry type
          00000001       A0LCPCMD       X'01' A0LCPCMD CP command
          00000002       A0LSTCMD       X'02' A0LSTCMD CP SET command
          00000003       A0LQYCMD       X'03' A0LQYCMD CP QUERY command
          00000004       A0LDIAG        X'04' A0LDIAG Diagnose code
                                        Constants 6-8 are reserved
          00000009       A0LSYSFN       X'09' A0LSYSFN System function
001A   26 Bitstring    1 A0LENTFL       Entry flags
          1... ....      A0LOPRND       X'80' A0LOPRND Command operand
                                        field is valid
001B   27 Bitstring    1 *              Reserved for future IBM use
001C   28 Bitstring    1 A0LATTRI       Entry attributes
          1... ....      A0LCLOGN       X'80' A0LCLOGN Command can be
                                        disabled prior to logon. Valid
                                        only if entry type (i.e.
                                        A0LENTYP) is A0LCPCMD, A0LSTCMD,
                                        or A0LQYCMD
          .1.. ....      A0LCPROT       X'40' A0LCPROT Command, diagnose,
                                        or system function's protection
                                        setting can be changed by the ESM
          ...1 ....      A0LCMAC        X'10' A0LCMAC Command, diagnose,
                                        or system function has MAC
                                        capability
001D   29 Bitstring    1 *              Reserved for future IBM use
001E   30 Bitstring    1 A0LSECUR       Security flags
          1... ....      A0LLOGON       X'80' A0LLOGON Command is valid
                                        prior to logon
          .1.. ....      A0LAUDIT       X'40' A0LAUDIT Command, diagnose,
                                        or system function is being
                                        audited
          ..1. ....      A0LPROT        X'20' A0LPROT Command, diagnose
                                        or system function is being
                                        protected
          ...1 ....      A0LMAC         X'10' A0LMAC Command, diagnose or
                                        system function is being MAC'd
001F   31 Bitstring   33 *              Reserved for future IBM use
          00000040       A0LNEXT        * Next entry
          00000008       A0LSIZE        (*-A0LBK+7)/8 Size of A0LBK in
                                        double words
          00000040       A0LBSIZE       *-A0LBK Size of A0LBK in bytes
 
 
  A0LBK Storage Layout Top of page
  
          
*** A0LBK - Diagnose A0 (subcode x'24') list entry
*
*     +-------------------------------------------------------+
*   0 |                       A0LNAME                         |
*     |                           +---------------------------+
*   8 |                           |         A0LCMDOP          |
*     +---------------------------+                           |
*     |                                                       |
*     +------+------+------+------+------+------+------+------+
*  18 |:IBMCL|:ENTYP|:ENTFL|//////|:ATTRI|//////|:SECUR|//////|
*     +------+------+------+------+------+------+------+//////|
*  20 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  40
*
*** A0LBK - Diagnose A0 (subcode x'24') list entry
 
 
  A0LBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
A0LATTRI       001C
A0LAUDIT       001E 40
A0LBSIZE       001F 00000040
A0LCLANY       0018 000000FF
A0LCLOGN       001C 80
A0LCMAC        001C 10
A0LCMDOP       000C
A0LCPCMD       0019 00000001
A0LCPROT       001C 40
A0LDIAG        0019 00000004
A0LENTFL       001A
A0LENTYP       0019
A0LIBMA        0018 00000080
A0LIBMB        0018 00000040
A0LIBMC        0018 00000020
A0LIBMCL       0018
A0LIBMD        0018 00000010
A0LIBME        0018 00000008
A0LIBMF        0018 00000004
A0LIBMG        0018 00000002
A0LIBMH        0018 00000001
A0LLOGON       001E 80
A0LMAC         001E 10
A0LNAME        0000
A0LNEXT        001F 00000040
A0LOPRND       001A 80
A0LPROT        001E 20
A0LQYCMD       0019 00000003
A0LSECUR       001E
A0LSIZE        001F 00000008
A0LSTCMD       0019 00000002
A0LSYSFN       0019 00000009
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:28:59 EDT.
Copyright IBM Corporation, 1990, 2024