Programming Interface Information: This information is NOT intended to be
used as Programming Interfaces of z/VM.

MCVBK

Prolog
Control Block Contents
MCVBK DSECT
Storage Layout
Cross Reference

MCVBK Prolog

 NAME       : HCPMCVBK
 DESCRIPTION: VIRTUAL MACHINE CHECK BLOCK
 DSECT      : MCVBK
 FUNCTION   : HCPMCVBK MAINTAINS THE DESCRIPTION OF A MACHINE CHECK
              INCIDENT BEFORE THE INTERRUPT IS REFLECTED TO THE GUEST.
              THERE ARE THREE TYPES OF MCVBKS MAINTAINED IN THE SYSTEM.
              MCVBK (DYNAMICALLY ALLOCATED MCVBK)
              STORAGE  IS OBTAINED  FOR  A DYNAMICALLY  ALLOCATED
              MCVBK WHEN REQUIRED.  IT HAS  TWO USES. THE CONTROL
              PROGRAM BUILDS  MCVBKS WHEN  SOME SYSTEM  INCIDENT,
              THAT  IS  NOT  A  REAL  MACHINE  CHECK,  IS  TO  BE
              REFLECTED TO THE  GUEST AS A MACHINE  CHECK.  IT IS
              ALSO USED  TO MAKE  COPIES OF  MCVBKS TO  ALLOW THE
              REFLECTION OF  MACHINE CHECKS TO  A GUEST  TO OCURR
              ASYNCHRONOUSLY WITH OTHER CP FUNCTION.
              MCVBK (CPU MCVBK)
              WE REFER TO  THIS MCVBK AS THE  'CPU MCVBK' BECAUSE
              EACH CPU OWNS ONE, AND  ALSO TO DISTINGUISH IT FROM
              THE  'SYSTEM  TERMINATION MCVBK'  DESCRIBED  BELOW.
              THE CPU MCVBK  CONTAINS A DESCRIPTION OF A REAL ERROR
              INCIDENT  (IF ANY)  CURRENTLY IN  PROGRESS ON  THIS
              CPU.  IT  IS NEEDED MAINLY  FOR THE BENEFIT  OF THE
              VIRTUAL  SIDE  OF  THE SYSTEM  (HCPGMCMC)  SO  THAT
              MACHINE CHECKS CAN BE  REFLECTED TO GUESTS.  HCPMCH
              CALLS HCPGMCMC AND PASSES  THE CPU MCVBK CONTAINING
              THE DESCRIPTION OF THE INCIDENT.   THE CPU MCVBK IS
              ANCHORED IN THE PREFIX PAGE BY 'PFXMCVBK'.
              DATA IS  PLACED IN  THE MCVBK  AT THE  START OF  AN
              INCIDENT AND IS CLEARED AT  THE END OF THE INCIDENT
              SO  THAT THE  BLOCK REMAINS  EMPTY  UNTIL THE  NEXT
              INCIDENT.
              MCVBK (SYSTEM TERMINATION MCVBK)
              THERE ARE ALSO 'SYSTEM TERMINATION' MCVBKS (THERE
              ARE 32 IN THE SYSTEM).  THEY ARE PERMANENTLY ALLO-
              CATED IN A WORK AREA HCPWRKMV AND REMAIN INTACT
              ACROSS A SYSTEM TERMINATION AND SOFTWARE-RE-IPL.
              THEY ARE USED TO PASS REAL MACHINE CHECK (OR OTHER
              SYSTEM INCIDENT) DESCRIPTIONS TO INDIVIDUAL VMDBKS
              IN THE V=R GUEST CONFIGURATION SO THAT MACHINE
              CHECKS MAY BY REFLECTED TO THE V=R GUEST AFTER THE
              SYSTEM HAS RE-IPL'D.
              AT SYSTEM  TERMINATION TIME, HCPWRP  CALLS HCPMCWMD.
              HCPMCWMD GATHERS INFORMATION FROM THE INDIVIDUAL
              CPU MCVBK'S (AND OTHER SOURCES) AND PLACE IT IN THE
              SYSTEM TERMINATION MCVBKS (ONE SYSTEM TERMINATION
              MCVBK IS USED TO RECORD THE STATE OF ONE REAL CPU).
              AFTER THE SOFTWARE-RE-IPL THESE MCVBKS ARE PASSED
              TO HCPGMCGS SO THAT A MACHINE CHECK CAN BE
              REFLECTED TO THE V=R GUEST IF APPROPRIATE.
 LOCATED BY : HCPWRKMC  (ANCHOR) SYSTEM TERMINATION PERMANENT MCVBKS
              VMDMCV    FIELD OF HCPVMDBK
              PFXMCVBK  FIELD OF HCPPFXBK (PERMANENTLY ALLOCATED)
              MCVNEXT   FORWARD CHAIN
              CHCMCV    FIELD OF HCPCHCBK
 CREATED BY : HCPGMC   TO SEPARATE MCVBKS RECEIVED INTO ELEMENTARY MACHINE
              CHECKS AND TO GENERATE MCVBKS FOR MACHINE CHECK
              REFLECTION TO A GUEST.
              HCPMCH   TO COPY PERMANENTLY ALLOCATED MCVBK.
              HCPMCW   WHEN GUEST WAS RUNNING ON A PROCESSOR THAT IS RESET.
              TO COPY MCVBK RECEIVED FROM HCPALL.
              HCPMPS   ACQUIRES PERMANENTLY ALLOCATED MCVBK FOR EACH
              PROCESSOR.
              HCPRFC   CREATES A CRW MCVBK.
              HCPVDB   CREATES A CRW MCVBK.
              HCPVOF   CREATES A CRW MCVBK.
              HCPVSC   CREATES A CRW MCVBK.
 DELETED BY : HCPMCH   DELETES MCVBKS CREATED BY HCPMCH
              HCPMCW   DELETES MCVBKS CREATED BY HCPMCW
              HCPMCV   DELETES MCVBK AFTER REFLECTING MACHINE CHECK TO THE
              GUEST
              HCPMPS   RETURNS  PERMANENTLY ALLOCATED MCVBK FOR EACH
              PROCESSOR.

 

MCVBK Control Block Content

MCVBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      MCVBK          VIRTUAL MACHINE CHECK BLOCK
0000    0 Dbl-Word     8 MCVMCIC (0)    MACHINE CHECK INTERRUPTION CODE
                                        (FOR PURPOSES OF HCPGMC, THIS
                                        APPLIES TO THE MCVVMDBK GUEST,
                                        EXCEPT FOR THE STORAGE ERROR BITS
                                        WHICH APPLY TO MCVFSAUS.)
0000    0 Signed       4 MCVMCWD0 (0)   FIRST WORD OF MCVMCIC
0000    0 Bitstring    2 MCVMCB01 (0)   BYTES 0 AND 1 OF MCVMCIC
0000    0 Bitstring    1 MCVMCIC0       MACHINE CHECK IRPT CODE BYTE 0
          1111 1111      MCIPRIM0       X'FF' PRIMARY MACHINE CHECK BITS
                                        - BYTE 0
          1... ....      MCICSD         X'80' SYSTEM DAMAGE BIT.
          .1.. ....      MCICPD         X'40' PROCESSING DAMAGE BIT.
          ..1. ....      MCICSR         X'20' SYSTEM RECOVERY BIT.
          ...1 ....      MCICITD        X'10' INTERVAL TIMER DAMAGE. (370
                                        GUESTS)
          .... 1...      MCICCD         X'08' TIMING (CLOCK) FACILITY
                                        DAMAGE.
          .... .1..      MCICED         X'04' EXTERNAL DAMAGE.
          .... ..1.      MCICVFF        X'02' VECTOR FACILITY FAILURE
          .... ...1      MCICDG         X'01' DEGRADATION BIT.
0001    1 Bitstring    1 MCVMCIC1       MACHINE CHECK IRPT CODE BYTE 1
          1111 ....      MCIPRIM1       X'F0' PRIMARY MACHINE CHECK BITS
                                        - BYTE 1
          1... ....      MCICW          X'80' WARNING BIT.
          .1.. ....      MCICCRW        X'40' PENDING-CRW REPORT.
          ..1. ....      MCICSP         X'20' SERVICE PROCESSOR DAMAGE.
          ...1 ....      MCICCSD        X'10' CHANNEL-SUBSYSTEM DAMAGE.
          .... .1..      MCICVFS        X'04' VECTOR FACILITY SOURCE
          .... ..1.      MCICBU         X'02' 'BACKED UP' BIT.
          .... ...1      MCICDL         X'01' 'DELAYED' BIT. (370 GUESTS)
0002    2 Bitstring    1 MCVMCIC2       MACHINE CHECK IRPT CODE BYTE 2
          1... ....      MCICSE         X'80' STORAGE ERROR UNCORRECTED.
          .1.. ....      MCICSC         X'40' STORAGE ERROR CORRECTED.
          ..1. ....      MCICKE         X'20' STORAGE-KEY ERROR
                                        UNCORRECTED.
          ...1 ....      MCICSDG        X'10' STORAGE DEGRADATION.
                                        MODIFIES STORAGE ERROR CORRECTED.
          .... 1...      MCICVWP        X'08' BITS 12-15 OF MC OLD PSW
                                        VALID.
          .... .1..      MCICVMS        X'04' SYSTEM MASK & KEY OF MC OLD
                                        PSW VALID.
          .... ..1.      MCICVPM        X'02' PROGRAM MASK & CC OF MC OLD
                                        PSW VALID.
          .... ...1      MCICVIA        X'01' INSTR ADDR OF MC OLD PSW IS
                                        VALID.
0003    3 Bitstring    1 MCVMCIC3       MACHINE CHECK IRPT CODE BYTE 3
          1... ....      MCICVFA        X'80' FAILING STORAGE ADDRESS IS
                                        VALID.
          ..1. ....      MCICVED        X'20' EXTERNAL-DAMAGE CODE IS
                                        VALID.
          ...1 ....      MCICVFP        X'10' FP REGISTERS STORED ARE
                                        VALID.
          .... 1...      MCICVGR        X'08' GP REGISTERS STORED ARE
                                        VALID.
          .... .1..      MCICVCR        X'04' CONTROL REGISTERS STORED
                                        VALID.
          .... ..1.      MCICVLG        X'02' EXTENDED LOGOUT AREA IS
                                        VALID.
          .... ...1      MCICVST        X'01' INST. MODIFIED STORAGE IS
                                        VALID.
0004    4 Signed       4 MCVMCWD1 (0)   SECOND WORD OF MCVMCIC
0004    4 Bitstring    1 MCVMCIC4       MACHINE CHECK IRPT CODE BYTE 4
          1... ....      MCICIE         X'80' INDIRECT STORAGE ERROR
          .1.. ....      MCICVAR        X'40' ACCESS REGISTERS STORED ARE
                                        VALID
          ..1. ....      MCICDA         X'20' DELAYED ACCESS EXCEPTION
                                        BIT
0005    5 Bitstring    1 MCVMCIC5       MACHINE CHECK IRPT CODE BYTE 5
          ..1. ....      MCICVTPR       X'20' TOD programmable register
                                        validity
          ...1 ....      MCICVXFP       X'10' Additional FP Registers
                                        Validity (ESA390) FP Control
                                        Register Validity (ESAME)
          .... 1...      MCICAR         X'08' Ancillary Report Bit
          .... ..1.      MCICVCT        X'02' CPU TIMER STORED IS VALID.
          .... ...1      MCICVCC        X'01' CLOCK COMPARATOR STORED IS
                                        VALID.
0006    6 Bitstring    1 MCVMCIC6       MACHINE CHECK IRPT CODE BYTE 6
0007    7 Bitstring    1 MCVMCIC7       MACHINE CHECK IRPT CODE BYTE 7
0008    8 Signed       4 MCVCRWS        CHANNEL REPORT WORD ANCHOR
000C   12 Signed       4 *              Reserved for IBM use
0010   16 Signed       4 MCVVMDBK       ADDR OF VMDBK RUNNING ON A REAL
                                        CPU AT THE TIME THE REAL CPU
                                        STATE WAS RECORDED IN THIS MCVBK.
                                        (FROM PFXRNUSR)
0014   20 Signed       4 MCVFSAUS       ADDR OF VMDBK OWNING THE BAD
                                        FRAME IF HOST SEES A STORAGE
                                        ERROR AND VALID FSA. OTHERWISE
                                        ADDR IS ZERO.
0018   24 Bitstring    1 MCVFLAG        MCVBK BIT FLAGS.
          1... ....      MCVABEND       X'80' FAILURE IS AN ABEND, NOT A
                                        MACHINE CHECK. (APPLIES TO THE
                                        MCVVMDBK GUEST FOR HCPGMC.)
          .1.. ....      MCVCKSTP       X'40' FAILURE IS A CHECK-STOP,
                                        NOT A MACHINE CHECK. OR FAILURE
                                        IS TIME-OUT + CHECK-STOP. MCVMCIC
                                        AND MCVFSAD ARE PROBABLY 0.
                                        (APPLIES TO MCVVMDBK GUEST FOR
                                        HCPGMC.)
          ..1. ....      MCVTMOUT       X'20' FAILURE IS TIMEOUT, NOT A
                                        MACHINE CHECK. MCVCKSTP WILL ALSO
                                        BE SET IF 'SIGP SENSE' SHOWS
                                        CHECK-STOP AS CAUSE. MCVMCIC &
                                        MCVFSAD ARE PROBABLY ZERO.
                                        (APPLIES TO MCVVMDBK GUEST FOR
                                        HCPGMC.)
          ...1 ....      MCVCUTOF       X'10' GUEST WAS TERMINATED
                                        ABRUPTLY. IF RUNNING SIE AT THE
                                        TIME, THE GUEST HAS NOT BEEN
                                        'UN-RUN'. THE ONLY EXAMPLE AT
                                        PRESENT: GUEST WAS STOPPED BY
                                        SIGP RESET. (APPLIES TO R11 GUEST
                                        FOR HCPGMC.)
          .... 1...      MCVCMPLT       X'08' ANY DAMAGE TO THE TASK THAT
                                        WAS RUNNING WAS REPAIRED BY THE
                                        MACHINE-CHECK FLIH. EITHER: (1) A
                                        HOST TASK INTERRUPTED BY MACHINE
                                        CHECK WAS LATER RESUMED AND
                                        COMPLETED SUCCESSFULLY, OR (2)
                                        ALL DAMAGE TO AN INTERRUPTED
                                        GUEST HAS BEEN CORRECTED.
                                        (APPLIES TO THE MCVVMDBK GUEST
                                        FOR HCPGMC.)
          .... .1..      MCVQWRK        X'04' AT THE TIME OF THE INCIDENT
                                        THERE WAS QUEUED WORK FOR THE
                                        GUEST, BUT IT HAS BEEN LOST
                                        (NEVER COMPLETED). (APPLIES TO
                                        R11 GUEST FOR HCPGMC.)
          .... ..1.      MCVSTGFX       X'02' THE STORAGE ERROR OR
                                        STORAGE KEY ERROR IDENTIFIED BY
                                        THE FAILING STORAGE ADDRESS IN
                                        MCVFSAD HAS BEEN CORRECTED BY THE
                                        MACHINE-CHECK FLIH. THIS FLAG IS
                                        MEANINGFUL ONLY IF THERE WAS A
                                        STORAGE ERROR AND A VALID FSA.
                                        (APPLIES TO THE MCVFSAUS GUEST
                                        FOR HCPGMC.)
          .... ...1      MCVSTGLS       X'01' Damage to the the guest's
                                        MCS linkage stack has occurred.
                                        (Applies to the MCVVMDBK guest
                                        for HCPGMC.)
0019   25 Bitstring    1 MCVFLAG2       MCVBK BIT FLAGS.
          1... ....      MCVFSIE        X'80' If set, CP was in the 'SIE'
                                        state at the time of the error.
                                        (Applies to MCVVMDBK guest for
                                        HCPGMC.) See HCPMCH for how this
                                        was determined.
          .1.. ....      MCVHRUN        X'40' THIS IS A COPY OF PFXHRUN,
                                        TAKEN AT THE TIME OF THE ERROR.
                                        IF SET, THE VMDBK WAS IN THE
                                        'RUN' STATE AT THE TIME OF THE
                                        ERROR. (APPLIES TO MCVVMDBK GUEST
                                        FOR HCPGMC.)
          ..1. ....      MCVUNRUN       X'20' THE MACHINE-CHECK HANDLER
                                        HAS SUCCESSFULLY UN-RUN THE
                                        GUEST. (THIS FLAG HAS MEANING
                                        ONLY IF MCVHRUN IS SET.) (APPLIES
                                        TO MCVVMDBK GUEST FOR HCPGMC.)
          ...1 ....      MCVSCS         X'10' THE VIRTUAL CONFIGURATION
                                        MUST ENTER SYSTEM CHECK-STOP.
001A   26 Signed       2 MCVCPUAD       THE CPU ADDRESS OF THE CPU IN THE
                                        REAL HARDWARE CONFIGURATION WHOSE
                                        ERROR IS BEING REPORTED THROUGH
                                        THIS MCVBK.
001C   28 Signed       4 MCVNEXT        NEXT MCVBK IF ANY (APPLIES TO
                                        MCVVMDBK GUEST FOR HCPGMC.)
0020   32 Signed       4 MCVMCICX       Machine Check Interruption Code
                                        Extension
0024   36 Signed       4 MCVEDMDC (0)   MACHINE CHECK EXTERNAL-DAMAGE
                                        CODE.
0024   36 Bitstring    1 MCVEDCB0       Byte 0 of the external damage
                                        code
          .... ....      MCEXTD0        X'00' No bits defined
0025   37 Bitstring    1 MCVEDCB1       Byte 1 of the external damage
                                        code
          1... ....      MCEXTDXN       X'80' Bit 8 - Extended storage
                                        not operational
          .1.. ....      MCEXTDXF       X'40' Bit 9 - Extended storage
                                        control failure
0026   38 Bitstring    1 MCVEDCB2       Byte 2 of the external damage
                                        code
          1... ....      MCEXTDPS       X'80' Bit 16 - Primary-Sync
                                        Damage
          .1.. ....      MCEXTDEA       X'40' Bit 17 - ETR Attachement
                                        Damage
          ..1. ....      MCEXTDSL       X'20' Bit 18 - Switch to local
          ...1 ....      MCEXTDES       X'10' Bit 19 - ETR Sync check
0027   39 Bitstring    1 MCVEDCB3       Byte 3 of the external damage
                                        code
          .... ....      MCEXTD3        X'00' No bits defined
0028   40 Dbl-Word     8 MCVFASIT       Failing-storage external ASIT (to
                                        be certified at the time of
                                        reflection as to whether the
                                        guest has still access to the
                                        failing space)
0030   48 Dbl-Word     8 MCVGFAD (0)    64 bit guest absolute failing
                                        addr
0030   48 Signed       4 MCV64HI        High order word of 64 bit addr
0034   52 Signed       4 MCVFSAD        31 bit guest absolute failing
                                        addr
          ..11 .1..      MCV64LO        MCVFSAD Low order word of 64 bit
                                        addr FOLLOWING ARITHMETIC USED TO
                                        PRODUCE MCVZNM1.
          00000F00       MCVZNMZ1       (MCICVWP+MCICVMS+MCICVPM+MCICVIA)
                                        *256
     THE FOLLOWING ARE MASK VALUES WHICH DEFINE VALIDITY BITS WITHIN THE
     MACHINE CHECK INTERRUPTION CODE WHICH ARE NORMALLY ON (VALID).
     MCVZNM1 IS FOR MCIC BITS 0-31. MCVZNM2 IS FOR MCIC BITS 32-63.
     THESE MASK VALUES ALSO DEFINE THE BITS WHICH ARE AND-ED TOGETHER WHEN
     MERGING TWO MACHINE CHECK INTERRUPTION CODES. BITS NOT CALLED OUT BY
     THE MASK VALUES ARE OR-ED TOGETHER.
          00000F1D       MCVZNM1        MCVZNMZ1+MCICVFP+MCICVGR+MCICVCR+
                                        MCICVST
          001B0000       MCVZNM2        ((MCICVAR*256)+MCICAR+MCICVCT+MCI
                                        CVCC+MCICVXFP)*65536
          00000038       MCVLEN         *-MCVBK LENGTH OF AN MCVBK.
          00000007       MCVSIZE        (*-MCVBK+7)/8 MCVBK SIZE IN
                                        DOUBLE WORDS
0000    0 Bitstring    2 *              BYTES 0 AND 1 OF MCVMCIC
0002    2 Bitstring    4 MCVMCB25       BYTES 2 - 5 OF MCVMCIC
0006    6 Bitstring    2 *              BYTES 6 AND 7 OF MCVMCIC

 

MCVBK Storage Layout

          
*** MCVBK - VIRTUAL MACHINE CHECK BLOCK
*
*     +------+------+------+------+------+------+------+------+
*   0 |:MCIC0|:MCIC1|:MCIC2|:MCIC3|:MCIC4|:MCIC5|:MCIC6|:MCIC7|
*     +------+------+------+------+------+------+------+------+
*   8 |         MCVCRWS           |///////////////////////////|
*     +---------------------------+---------------------------+
*  10 |         MCVVMDBK          |         MCVFSAUS          |
*     +------+------+-------------+---------------------------+
*  18 |:FLAG |:FLAG2|  MCVCPUAD   |         MCVNEXT           |
*     +------+------+-------------+------+------+------+------+
*  20 |         MCVMCICX          |:EDCB0|:EDCB1|:EDCB2|:EDCB3|
*     +---------------------------+------+------+------+------+
*  28 |                       MCVFASIT                        |
*     +---------------------------+---------------------------+
*  30 |         MCV64HI           |         MCVFSAD           |
*     +---------------------------+---------------------------+
*  38
*
*** MCVBK - VIRTUAL MACHINE CHECK BLOCK
          
*** Overlay for MCVMCIC in MCVBK
*
*     +-------------+---------------------------+-------------+
*   0 |/////////////|         MCVMCB25          |/////////////|
*     +-------------+---------------------------+-------------+
*   8
*
*** Overlay for MCVMCIC in MCVBK

 

MCVBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
MCEXTDEA       0026 40
MCEXTDES       0026 10
MCEXTDPS       0026 80
MCEXTDSL       0026 20
MCEXTDXF       0025 40
MCEXTDXN       0025 80
MCEXTD0        0024 00
MCEXTD3        0027 00
MCICAR         0005 08
MCICBU         0001 02
MCICCD         0000 08
MCICCRW        0001 40
MCICCSD        0001 10
MCICDA         0004 20
MCICDG         0000 01
MCICDL         0001 01
MCICED         0000 04
MCICIE         0004 80
MCICITD        0000 10
MCICKE         0002 20
MCICPD         0000 40
MCICSC         0002 40
MCICSD         0000 80
MCICSDG        0002 10
MCICSE         0002 80
MCICSP         0001 20
MCICSR         0000 20
MCICVAR        0004 40
MCICVCC        0005 01
MCICVCR        0003 04
MCICVCT        0005 02
MCICVED        0003 20
MCICVFA        0003 80
MCICVFF        0000 02
MCICVFP        0003 10
MCICVFS        0001 04
MCICVGR        0003 08
MCICVIA        0002 01
MCICVLG        0003 02
MCICVMS        0002 04
MCICVPM        0002 02
MCICVST        0003 01
MCICVTPR       0005 20
MCICVWP        0002 08
MCICVXFP       0005 10
MCICW          0001 80
MCIPRIM0       0000 FF
MCIPRIM1       0001 F0
MCVABEND       0018 80
MCVCKSTP       0018 40
MCVCMPLT       0018 08
MCVCPUAD       001A
MCVCRWS        0008
MCVCUTOF       0018 10
MCVEDCB0       0024
MCVEDCB1       0025
MCVEDCB2       0026
MCVEDCB3       0027
MCVEDMDC       0024
MCVFASIT       0028
MCVFLAG        0018
MCVFLAG2       0019
MCVFSAD        0034
MCVFSAUS       0014
MCVFSIE        0019 80
MCVGFAD        0030
MCVHRUN        0019 40
MCVLEN         0034 00000038
MCVMCB01       0000
MCVMCB25       0002
MCVMCIC        0000
MCVMCICX       0020
MCVMCIC0       0000
MCVMCIC1       0001
MCVMCIC2       0002
MCVMCIC3       0003
MCVMCIC4       0004
MCVMCIC5       0005
MCVMCIC6       0006
MCVMCIC7       0007
MCVMCWD0       0000
MCVMCWD1       0004
MCVNEXT        001C
MCVQWRK        0018 04
MCVSCS         0019 10
MCVSIZE        0034 00000007
MCVSTGFX       0018 02
MCVSTGLS       0018 01
MCVTMOUT       0018 20
MCVUNRUN       0019 20
MCVVMDBK       0010
MCVZNMZ1       0034 00000F00
MCVZNM1        0034 00000F1D
MCVZNM2        0034 001B0000
MCV64HI        0030
MCV64LO        0034 34

This information is based on z/VM V3R1.0.
Last updated on 29 Mar 2001 at 16:08:46 EDT.
Copyright IBM Corporation, 1990, 2001