FTPBK - 64-bit CP - V4R4.0

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

#### FTPBK

Prolog

Control Block Contents
FTPBK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### FTPBK Prolog

     NAME       : HCPFTPBK
     DESCRIPTION: FOOT-PRINT BLOCK
     DSECT      : FTPBK
     FUNCTION   : PROVIDE FOOT-PRINTING OF THE RECOVERY
                  PROCESS FOR SUBSEQUENT DEBUGGING
     LOCATED BY : HCPWRKFP IS THE ANCHOR FOR THIS BLOCK.
     CREATED BY : THE ASSEMBLY OF HCPWRK.  THE
                  FOOT-PRINT BLOCK ALWAYS REMAINS
                  IN THE HOST CONTROL PROGRAM CRITICAL
                  WORKAREA.  EACH OF THE FOLLOWING
                  MODULES 'OWN' AN AREA IN FTPBK
                  WHICH THEY USE FOR RECORDING :
                  HCPVRWCD
                  HCPVRRLD
                  HCPVRTST
                  HCPVRRMS
                  HCPMCWMD
                  HCPVRV
                  HCPWRP
                  HCPDMP
                  HCPVRE
                  HCPCKP/HCPWRM
     DELETED BY : NONE, HOWEVER THE BLOCK IS CLEARED
                  BY HCPWRP

#### FTPBK Control Block Content

#### FTPBK DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      FTPBK          FOOT-PRINT BLOCK
    0000    0 Dbl-Word     8 FTPVRWCD (8)   RECORD V=R USER BEFORE A BOUNCE
    0040   64 Dbl-Word     8 FTPVRRLD (8)   RELOAD V=R USER AFTER BOUNCE
    0080  128 Dbl-Word     8 FTPVRTST (9)   RESTART V=R USER FOOTPRINTS
    00C8  200 Dbl-Word     8 FTPVRRMS (8)   TERMINATION MSG BUFFER STATUS
    0108  264 Dbl-Word     8 FTPMCWMD (24)  FINAL STATUS OF EACH CPU
    01C8  456 Dbl-Word     8 * (8)          RESERVED FOR FUTURE IBM USE
    0208  520 Dbl-Word     8 FTPVRV (16)    CONSOLE FUNCTION MODE AND GUEST
                                            TIMERS
    0288  648 Dbl-Word     8 FTPWRP (6)     System termination footprints
    02B8  696 Dbl-Word     8 FTPIST (2)     Storage Initialization footprints
    02C8  712 Dbl-Word     8 FTPDMP (8)     DUMP FOOTPRINTING
              00000061       FTPGSVDW       (*-FTPBK+7)/8 GSURV FOOTPRINT
                                            SIZE IN DBL-WORDS
    0308  776 Dbl-Word     8 FTPVRE (16)    TRACE ENTRY MAPS DESCRIBING I/O
              00000010       FTPVREDW       (*-FTPVRE+7)/8 FTPVRE SIZE IN
                                            DOUBLE-WORDS
    0388  904 Dbl-Word     8 FTPCKWRM (8)   CHECKPOINT/WARMSTART FOOTPRINTS
              00000008       FTPCKWDW       (*-FTPCKWRM+7)/8 FTPCKWRM SIZE IN
                                            DOUBLE-WORDS
    03C8  968 Dbl-Word     8 FTPBUFSZ       TERM MESSAGE BUFFER SIZE
              00000001       FTPBUFSL       (*-FTPBUFSZ+7)/8 FTPBUFSZ IN
                                            DOUBLEWORDS
              0000007A       FTPSIZE        (*-FTPBK+7)/8 FTPBK SIZE IN
                                            DOUBLE-WORDS
    0108  264 Character    8 FTPMDNAM       THE NAME 'HCPMCWMD' GOES HERE.
    0110  272 Bitstring    1 FTPMDFF (0)    INITIALIZE TO FF'S. (SEE
                                            FTPLEN2).
    0110  272 Dbl-Word     8 FTPTOD (0)     TIMESTAMP ON ENTRY TO HCPMCWMD.
                                            (ZEROS IF STORE-CLOCK FAILS.)
    0110  272 Bitstring    1 *
    0111  273 Bitstring    1 FTPTODB1       FIRST BYTE OF FOOTPRINT TOD FIELD
    0112  274 Bitstring    1 * (6)
    0118  280 Signed       4 FTPMDTAB (31)  TABLE OF FOOTPRINTS, ONE ENTRY
                                            FOR EACH CPU. WE SUPPORT AS MANY
                                            AS 31 CPU'S (FOLLOWING THE
                                            SOMEWHAT ARBITRARY CONVENTION
                                            USED ELSEWHERE).
              00000084       FTPLEN2        *-FTPMDFF LENGTH TO BE
                                            INITIALIZED TO FF'S.
    0194  404 Signed       4 FTPFENCE       THIS 'FENCE' OF ZEROES AT THE END
                                            OF THE INITIALLY ALL-FF'S TABLE
                                            PREVENTS US FROM RUNNING OFF THE
                                            END IN THE EVENT OF A MESSED UP
                                            CHAIN OF PREFIX PAGES.
              00000090       FTPLEN3        *-FTPMCWMD LENGTH OF AREA USED BY
                                            HCPMCWMD.
    0118  280 Bitstring    1 FTPENTRY (0)
    0118  280 Bitstring    1 FTPCPUAD       CONTAINS CPUID IN STAP FORMAT,
                                            LOW ORDER BYTE ONLY.
    0119  281 Bitstring    1 FTPMFLG1
              1... ....      FTPUNKWN       X'80' CPU IS IN AN 'UNKNOWN'
                                            STATE (HCPSGPST COULD NOT
                                            COMMUNICATE WITH IT).
              .1.. ....      FTPCPUON       X'40' CPU ASSOCIATED WITH THE
                                            PREFIX PAGE WAS ONLINE. (EXPECT
                                            IT TO BE OFFLINE AT TIMES SINCE
                                            PFX PAGE IS KEPT FOR 2 MINUTES
                                            AFTER VARY OFF.)
              ..1. ....      FTPSTATX       X'20' THE STATE OF THE CPU
                                            HOLDING THE THE TERMINATION LOCK
                                            WAS NOT 'PFXAVAIL'.
              ...1 ....      FTPSOFER       X'10' HCPMCWMD FOUND POSSIBLE
                                            SOFTWARE ERROR.
              .... 1...      FTPHABEN       X'08' HAD ABEND ON THIS CPU (AS
                                            REPORTED BY THE PFXHABEN FLAG IN
                                            ITS PREFIX PAGE).
              .... .1..      FTPCKSTP       X'04' CPU IS CHECK-STOPPED AND
                                            FIRST NOTICED DURING CURRENT
                                            INCIDENT (NOT A RE-DISCOVERY OF A
                                            CHECK-STOP HANDLED EARLIER).
              .... ..1.      FTPMCHKX       X'02' A MACHINE CHECK OCCURRED
                                            AND FOR SOME REASON THE
                                            MACHINE-CHECK FLIH NEVER FINISHED
                                            HANDLING IT.
              .... ...1      FTPBROAD       X'01' MACHINE CHECK IS
                                            ESSENTIALLY IDENTICAL TO AN
                                            EARLIER ONE AND IS REGARDED AS A
                                            'BROADCAST' MACHINE CHECK.
         CAUTION: THE DATA IN THE BYTE BELOW IS SIMPLY COPIED FROM THE MCKBK AND
         MAY NOT APPLY TO THE CURRENT INCIDENT (ESPECIALLY IN THE CASE OF A CPU
         THAT IS NOT THE ONE HOLDING THE SYSTEM TERMINATION LOCK). IF NO ERROR
         WAS HANDLED ON (OR FOR) THIS CPU DURING THE CURRENT INCIDENT, THEN
         THESE FLAGS ARE SIMPLY LEFT OVER FROM A PREVIOUS INCIDENT.
    011A  282 Bitstring    1 FTPMFLG2
              1... ....      FTPFSIE        X'80' WE WERE RUNNING SIE
                                            (PFXHSIE WAS SET).
              .1.. ....      FTPFERCS       X'40' ERROR WAS CHECK-STOP, NOT
                                            MACHINE CHECK.
              ..1. ....      FTPF2ND        X'20' A SECONDARY ERROR OCCURRED
                                            WHILE HANDLING A MACHINE CHECK.
              ...1 ....      FTPF2CS        X'10' SECONDARY ERROR WAS A
                                            CHECK-STOP.
              .... 1...      FTPFMCIC       X'08' INVALID MCIC (REQUIRED BITS
                                            MISSING).
              .... .1..      FTPFABND       X'04' POSSIBLE SOFTWARE ERROR
                                            ENCOUNTERED. WHERE WE CANNOT
                                            ISSUE HCPABEND, WE SET THIS FLAG,
                                            THEN TERMINATE.
              .... ..1.      FTPFATSK       X'02' ATTEMPTED TO RUN
                                            INTERRUPTED SYSTEM TASK TO
                                            COMPLETION.
              .... ...1      FTPFXTSK       X'01' ATTEMPT TO COMPLETE
                                            INTERRUPTED SYSTEM TASK WAS
                                            SUCCESSFUL.
         CAUTION: THE DATA IN THE BYTE BELOW IS SIMPLY COPIED FROM THE MCKBK AND
         MAY NOT APPLY TO THE CURRENT INCIDENT (ESPECIALLY IN THE CASE OF A CPU
         THAT IS NOT THE ONE HOLDING THE SYSTEM TERMINATION LOCK). IF NO ERROR
         WAS HANDLED ON (OR FOR) THIS CPU DURING THE CURRENT INCIDENT, THEN
         THESE FLAGS ARE SIMPLY LEFT OVER FROM A PREVIOUS INCIDENT.
         NOTES : THE MCKFDIE2 AND MCKFIPLI FLAGS WILL NEVER BE SET IN THE BYTE
         BELOW SINCE THE BYTE BELOW IS COPIED FROM THE FLIH MCKBK, NOT THE SLIH
         MCKBK.
    011B  283 Bitstring    1 FTPMFLG3
              1... ....      MCKFEMER       X'80' EMERGENCY HOST TERMINATION
                                            REQUIRED (AND OTHER FLAGS MAY BE
                                            MEANINGLESS).
              .1.. ....      MCKFNOTM       X'40' HOST TERMINATION NOT
                                            REQUIRED BY THE MACHINE-CHECK
                                            FLIH.
              ..1. ....      MCKFDIE1       X'20' HOST TERMINATION WAS
                                            REQUIRED BY THE MACHINE-CHECK
                                            FLIH.
              ...1 ....      MCKFDIE2       X'10' HOST TERMINATION WAS
                                            REQUIRED BY THE MACHINE-CHECK
                                            SLIH.
              .... 1...      MCKFIPL        X'08' SOFT-RE-IPL AFTER TERMINATE
                                            DISALLOWED.
              .... .1..      MCKFIPLI       X'04' SOFT-RE-IPL DISALLOWED BY
                                            IO SUB-SYSTEM.
              .... ..1.      MCKFNOVR       X'02' V=R SURVIVAL AFTER RE-IPL
                                            DISALLOWED BY SOMETHING OTHER
                                            THAN THE I/O SUB-SYSTEM.
              .... ...1      MCKFIOVR       X'01' V=R SURVIVAL AFTER RE-IPL
                                            DISALLOWED BY THE I/O SUB-SYSTEM.
              00000004       FTPELEN        *-FTPENTRY LENGTH OF A SINGLE
                                            ENTRY IN TABLE.
    011C  284 Bitstring    1 FTPNEXTE (0)   START OF NEXT ENTRY OF THE TABLE.
    0388  904 Dbl-Word     8 FTPWRMST       WARM START TIME
              00000008       FTPWRMSL       *-FTPCKWRM WARM START TIME LENGTH
    0390  912 Dbl-Word     8 FTPWRMCT       WARM START COMPLETED TIME
              00000008       FTPWRMCL       *-FTPWRMCT WARM START COMPLETED
                                            TIME LENGTH
    0000    0 Character    3 FTPRCDFP       ENTERED HCPVRWCD WITH A V=R USER
    0003    3 Bitstring    1 FTPRCDGS       GUEST SURVIVAL IS POSSIBLE WHEN
                                            WE ENTER HCPVRWCD
    0004    4 Signed       4 FTPECKRC       RETURN CODE FROM HCPVRECK
    0008    8 Bitstring    1 FTPVRECK       CALL TO HCPVRECK TO CHECKPOINT
                                            V=R I/O CONFIGURATION
    0009    9 Bitstring    1 FTPMG813       MP VMDBK OUTSIDE RESERVED AREA -
                                            ISSUE MESSAGE 813
    000A   10 Bitstring    1 FTPINTEG       DATA INTEGRITY LOST
    000B   11 Bitstring    1 FTPUNLOK       V=R AREA IS UNLOCKED
    000C   12 Bitstring    1 FTPM9401       GSRBK ADDRESS IS ZERO, GUEST MUST
                                            HAVE BEEN IN LOGON
    000D   13 Bitstring    1 FTPALBAD       Guest used access list services
    000E   14 Bitstring    1 * (2)          reserved for future use
    0010   16 Signed       4 * (2)          Reserved for IBM use
    0040   64 Character    3 FTPRLDFP       ENTERED HCPVRRLD ON A V=R BOUNCE
    0043   67 Bitstring    1 FTPRLDGS       GUEST SURVIVAL IS POSSIBLE WHEN
                                            WHEN WE ENTER HCPVRRLD
    0044   68 Bitstring    1 FTPGSEXH       RESERVED FREEVM STORAGE AVAILABLE
    0045   69 Bitstring    1 FTPGSCHN       FREE STORAGE CHAIN INTACT
    0046   70 Bitstring    6 FTPCYC1 (0)    OVERLAY FOR NON-ORIGIN FOOTPRINTS
    0046   70 Bitstring    1 FTPNVSIE       V=R GUEST NOT IN VSIE
    0047   71 Bitstring    1 FTPNREST       V=R GUEST NOT RESETTING
    0048   72 Bitstring    1 FTPNTRAC       V=R GUEST NOT BEING TRACED
    0049   73 Bitstring    1 FTPNOIPL       V=R GUEST NOT IPLING
    004A   74 Bitstring    1 FTPNOLOG       V=R GUEST NOT LOGGING OFF
    004B   75 Bitstring    1 FTPNFORC       V=R GUEST NOT FORCED OFF
    004C   76 Bitstring    1 FTPNVMCF       V=R GUEST NOT COMMUNICATING WITH
                                            VMCF
    004D   77 Bitstring    2 FTPCYC2 (0)    OVERLAY FOR NON-ORIGIN FOOTPRINTS
    004D   77 Bitstring    1 FTPNPGFT       V=R GUEST HAS NO PAGE FAULTS
    004E   78 Bitstring    1 FTPNPGWT       V=R GUEST IS IN PAGE WAIT
    004F   79 Bitstring    1 FTPNADJ        V=R GUEST MACHINE IS NOT ADJUNCT
    0050   80 Bitstring    1 FTPBASE        V=R GUEST MACHINE IS THE BASE
    0051   81 Bitstring    1 FTPRLDOK       RECOVERY FINE, SO FAR
    0052   82 Bitstring    1 FTPRLDRE       RECOVERY FAILED
    0053   83 Bitstring    1 FTPVRERC       RETURN CODE FROM HCPVREST
    0054   84 Signed       4 FTPVMDBK       ADDRESS OF VMDBK CAUSING GUEST
                                            SURVIVAL FAILURE
    0058   88 Bitstring    1 FTPNPASS       V=R GUEST NOT BEING REMOVED FROM
                                            I/O PASSTHRU
    0059   89 Bitstring    1 FTPPID         V=R guest does not have any PIDs
                                            assigned
    0080  128 Character    3 FTPTSTFP       ENTERED HCPVRTST WITH V=R USER
    0083  131 Bitstring    1 FTPZMIVI       CALL HCPZMIVI TO VERIFY STORAGE
                                            INITIALIZATION FOR I/O
                                            INTERPRETATION
    0084  132 Bitstring    1 FTPSTKVR       CALL HCPSTKVR TO REVIVE V=R USER
    0085  133 Bitstring    1 FTPNLTVR       CALL HCPNLTVR TO INIT V=R NLSBK
    0086  134 Bitstring    1 FTPSECLO       CALL HCPSECLO TO HANDLE SECONDARY
                                            USER
    0087  135 Bitstring    1 FTPIOAVR       CALL HCPIOAVR TO PROCESS IFSNT
    0088  136 Bitstring    1 FTPVRVRS       REESTABLISH VIRTUAL CPU FIELDS
    0089  137 Bitstring    1 FTPGMCRC       CALL HCPGMCRC TO REFLECT MACHINE
                                            CHECKS
    008A  138 Bitstring    1 FTPM9406       V=R RECOVERY SUCCEEDED - MSG9406
                                            SENT
    008B  139 Bitstring    1 FTPSTKCL       STACK A CALL TO HCPVRELG
    008C  140 Bitstring    1 FTPSTKGT       STACK A GOTO TO HCPCFMFO TO FORCE
                                            THE GUEST
    008D  141 Bitstring    1 FTPTSTCM       VRTST DONE, BOUNCE OVER
    00C8  200 Character    3 FTPRMSFP       ENTERED HCPVRRMS ALREADY
    00CB  203 Bitstring    1 FTPMSGST       STATUS OF MESSAGE BUFFER
    00CC  204 Signed       4 FTPMSGCT       COUNT OF MESSAGES IN BUFFER
    00D0  208 Signed       4 FTPMSGLN       LENGTH OF MESSAGE BUFFER USED
    0288  648 Character    3 FTPWRPFP       HCPWRP FOOTPRINT
    028B  651 Bitstring    1 *              RESERVED FOR ALIGNMENT
    028C  652 Signed       4 FTPWRPIN       HCPWRPUP INPUT PARAMETERS
    0290  656 Bitstring    1 FTPWRPDS       DUMP STATUS
              .... ..1.      FTPDMPIP       X'02' DUMP IN PROGRESS FLAG
              .... ...1      FTPDMPFI       X'01' DUMP TAKEN FLAG
    0291  657 Bitstring    1 FTPWRPTS       TERMINATION STATUS
              .... ....      FTPTRMIP       X'00' TERMINATION IN PROGRESS
              .... ...1      FTPTRMFI       X'01' TERMINATION COMPLETE FLAG
              .... ..1.      FTPTRMER       X'02' TERMINATION UNSUCCESSFUL
    0292  658 Bitstring    1 FTPVECTR       VECTOR FACILITY UNLOAD STATUS
              .... ...1      FTPVECSV       X'01' ATTEMPT MADE TO UNLOAD VF
                                            REGS
    0293  659 Bitstring    1 FTPWRPER       ERROR STATUS
              .... ...1      FTPPRGCK       X'01' PROGRAM CHECK CAUSED WAIT
                                            921
              .... ..1.      FTPSVCIN       X'02' SVC INTERRUPT CAUSED WAIT
                                            921
    0294  660 Bitstring    1 FTPNEWNC       STATUS OF TRANSFERRING CONTROL TO
                                            A NEW NUCLEUS
              .... ...1      FTPIPLRD       X'01' IPL RECORD OF NEW NUCLEUS
                                            READ
              .... ..1.      FTPNEWRD       X'02' HCPLOD OF NEW NUCLEUS WAS
                                            READ
              .... ..11      FTPTRANS       X'03' TRANSFER OF CONTROL TO NEW
                                            NUCLEUS ATTEMPTED
    02B8  696 Character    3 FTPISTFP       HCPWRP footprint
    02BB  699 Bitstring    1 FTPISTST       HCPIST status footprint
              1... ....      FTPISTPR       X'80' HCPIST set FTPINTEG to
                                            suppress V=R survival because the
                                            V=R guest was using PERSYS free
                                            storage, but PERSYS did not
                                            survive the bounce.
    0208  520 Character    3 FTPTAVRV       FOOTPRINT AREA TAG ASSIGNED 'VRV'
    020B  523 Bitstring    1 *              RESERVED FOR FUTURE USE
    020C  524 Signed       4 FTPUSRS        CURRENT LOGGED ON USERS COUNT
    0210  528 Bitstring   24 FTPFINLK       COPY OF ORIGINAL FINLOCK
    0228  552 Signed       4 FTPCFCNT       COPY OF ORIGINAL VMDCFCNT
    022C  556 Bitstring    2 FTPCFBTS (14)  AREA CONTAINING VMDCFCTL AND
         THE FOLLOWING TWO BYTE ARE REPEATED FOR EACH VMDBK IN THE LOCAL
         CONFIGURATION IN THE FTPCFBTS FIELD IN THE HCPVRV FOOTPRINT AREA
    022C  556 Bitstring    1 FTPCFCTL       COPY OF ORIGINAL VMDCFCTL
              1... ....      VMDEXCF        X'80' INDICATES THAT CONSOLE
                                            FUNCTION EXECUTION IS IN
                                            PROGRESS. THAT IS, ONE OF THE
                                            FOLLOWING FUNCTIONS IS ACTIVE:
                                            THE STACK OF CONSOLE FUNCTION
                                            OUTPUT IS BEING DISPLAYED. THE
                                            CALL-FROM-CFM CPEBK STACK IS
                                            BEING UNSTACKED AND PROCESSED.
                                            THE COMMAND INPUT BUFFER IS BEING
                                            UNSTACKED AND COMMANDS ARE BEING
                                            PROCESSED. THIS BIT IS USED BY
                                            THE DISPATCHER TO PREVENT THE
                                            VMDBK FROM BEING DROPPED FROM THE
                                            DISPATCH LIST.
              .1.. ....      VMDDGCF        X'40' CONSOLE FUNCTION MODE
                                            ENTERED VIA DIAGNOSE INSTRUCTION
              .... .1..      VMDSTOPD       X'04' INDICATES WHEN SET THAT A
                                            VIRTUAL CPU IS IN A HARD STOPPED
                                            STATE AS DEFINED BY 370
                                            ARCHITECTURE. THAT IS, NO
                                            INSTRUCTIONS OR INTERRUPTIONS
                                            OTHER THAN THE RESTART
                                            INTERRUPTION MAY BE EXECUTED
                                            WHILE IN THIS STATE. THIS BIT IS
                                            USED BY CP TO DETERMINE WHICH
                                            VMDBKS MAY RUN. WHILE SET IN A
                                            VMDBK, THE VMDBK IS NOT ALLOWED
                                            TO RUN. IT IS SET WHEN HANDLING
                                            SOFT ABENDS AND PROGRAM INTERRUPT
                                            LOOPS, SYSTEM AND CPU RESETS, AND
                                            WHEN INITIALIZING VMDBKS. IT IS
                                            RESET WHEN PROCESSING THE BEGIN,
                                            IPL AND SYSTEM RESTART COMMANDS.
              .... ..1.      VMDCFIDL       X'02' INDICATES THAT THE GUEST
                                            CONFIGURATION IS IN CONSOLE
                                            FUNCTION WAIT AND IS IDLE. IT IS
                                            USED TO INDICATE THAT CONSOLE
                                            INPUT BE DIRECTED TO CP.
    022D  557 Bitstring    1 FTPCWAIT       COPY OF ORIGINAL VMDCWAIT
              1... ....      VMDSTOP        X'80' VIRTUAL MACHINE IN STOP
                                            STATE
              .1.. ....      VMDSLEEP       X'40' VIRTUAL MACHINE IS SLEEPING
              ..1. ....      VMDCKST        X'20' VIRT CPU IN CHECK STOP
                                            STATE
              ...1 ....      VMDDSCWT       X'10' USER IS IN 'DISCONNECTED
                                            WAIT' MODE. I/O WAS ATTEMPTED TO
                                            THE USER'S DISPLAY AND THE USER
                                            WAS DISCONNECTED, SO A TIMER IS
                                            SET TO LOG the user off if not
                                            reconnected within the disconnect
                                            timeout interval.
              .... ...1      VMDSKSLP       X'01' SLEEP skipped for user with
                                            RUN set ON because disconnect
                                            timeout interval is zero. If the
                                            virtual machine attempts another
                                            console read while disconnected,
                                            it will be put to sleep to await
                                            a reconnect.
    03C8  968 Signed       4 FTPMSGSZ       LENGTH OF AVAILABLE MESSAGE
                                            BUFFER

#### FTPBK Storage Layout

    *** FTPBK - FOOT-PRINT BLOCK
    *
    *     +-------------------------------------------------------+
    *   0 |                                                       |
    *     =                       FTPVRWCD                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  40 |                                                       |
    *     =                       FTPVRRLD                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  80 |                                                       |
    *     =                       FTPVRTST                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  C8 |                                                       |
    *     =                       FTPVRRMS                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 108 |                                                       |
    *     =                       FTPMCWMD                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 1C8 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    * 208 |                                                       |
    *     =                        FTPVRV                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 288 |                                                       |
    *     =                        FTPWRP                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 2B8 |                        FTPIST                         |
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 2C8 |                                                       |
    *     =                        FTPDMP                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 308 |                                                       |
    *     =                        FTPVRE                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 388 |                                                       |
    *     =                       FTPCKWRM                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 3C8 |                       FTPBUFSZ                        |
    *     +-------------------------------------------------------+
    * 3D0
    *
    *** FTPBK - FOOT-PRINT BLOCK

    *** Overlay for FTPMCWMD in FTPBK
    *
    *     +-------------------------------------------------------+
    * 108 |                       FTPMDNAM                        |
    *     +------+------+-----------------------------------------+
    * 110 |//////|:TODB1|/////////////////////////////////////////|
    *     +------+------+-----------------------------------------+
    * 118 |                                                       |
    *     =                       FTPMDTAB                        =
    *     |                           +---------------------------+
    * 190 |                           |         FTPFENCE          |
    *     +---------------------------+---------------------------+
    * 198
    *
    *** Overlay for FTPMCWMD in FTPBK

    *** Overlay for FTPMDTAB in FTPBK
    *
    *     +------+------+------+------+
    * 118 |:CPUAD|:MFLG1|:MFLG2|:MFLG3|
    *     +------+------+------+------+
    *
    *** Overlay for FTPMDTAB in FTPBK

    *** Overlay for FTPCKWRM in FTPBK
    *
    *     +-------------------------------------------------------+
    * 388 |                       FTPWRMST                        |
    *     +-------------------------------------------------------+
    * 390 |                       FTPWRMCT                        |
    *     +-------------------------------------------------------+
    * 398
    *
    *** Overlay for FTPCKWRM in FTPBK

    *** Overlay for FTPVRWCD in FTPBK
    *
    *     +--------------------+------+---------------------------+
    *   0 |     FTPRCDFP       |:RCDGS|         FTPECKRC          |
    *     +------+------+------+------+------+------+-------------+
    *   8 |:VRECK|:MG813|:INTEG|:UNLOK|:M9401|:ALBAD|/////////////|
    *     +------+------+------+------+------+------+-------------+
    *  10 |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  18
    *
    *** Overlay for FTPVRWCD in FTPBK

    *** Overlay for FTPVRRLD in FTPBK
    *
    *     +--------------------+------+------+------+------+------+
    *  40 |     FTPRLDFP       |:RLDGS|:GSEXH|:GSCHN|:NVSIE|:NREST|
    *     +------+------+------+------+------+------+------+------+
    *  48 |:NTRAC|:NOIPL|:NOLOG|:NFORC|:NVMCF|:NPGFT|:NPGWT|:NADJ |
    *     +------+------+------+------+------+------+------+------+
    *  50 |:BASE |:RLDOK|:RLDRE|:VRERC|         FTPVMDBK          |
    *     +------+------+------+------+---------------------------+
    *  58 |:NPASS|FTPPID| 5A
    *     +------+------+
    *
    *** Overlay for FTPVRRLD in FTPBK

    *** Overlay for FTPVRTST in FTPBK
    *
    *     +--------------------+------+------+------+------+------+
    *  80 |     FTPTSTFP       |:ZMIVI|:STKVR|:NLTVR|:SECLO|:IOAVR|
    *     +------+------+------+------+------+------+------+------+
    *  88 |:VRVRS|:GMCRC|:M9406|:STKCL|:STKGT|:TSTCM| 8E
    *     +------+------+------+------+------+------+
    *
    *** Overlay for FTPVRTST in FTPBK

    *** Overlay for FTPVRRMS in FTPBK
    *
    *     +--------------------+------+---------------------------+
    *  C8 |     FTPRMSFP       |:MSGST|         FTPMSGCT          |
    *     +--------------------+------+---------------------------+
    *  D0 |         FTPMSGLN          | D4
    *     +---------------------------+
    *
    *** Overlay for FTPVRRMS in FTPBK

    *** Overlay for FTPWRP in FTPBK
    *
    *     +--------------------+------+---------------------------+
    * 288 |     FTPWRPFP       |//////|         FTPWRPIN          |
    *     +------+------+------+------+------+--------------------+
    * 290 |:WRPDS|:WRPTS|:VECTR|:WRPER|:NEWNC| 295
    *     +------+------+------+------+------+
    *
    *** Overlay for FTPWRP in FTPBK

    *** Overlay for FTPIST in FTPBK
    *
    *     +--------------------+------+
    * 2B8 |     FTPISTFP       |:ISTST| 2BC
    *     +--------------------+------+
    *
    *** Overlay for FTPIST in FTPBK

    *** Overlay for FTPVRV in FTPBK
    *
    *     +--------------------+------+---------------------------+
    * 208 |     FTPTAVRV       |//////|         FTPUSRS           |
    *     +--------------------+------+---------------------------+
    * 210 |                                                       |
    *     =                       FTPFINLK                        =
    *     |                                                       |
    *     +---------------------------+---------------------------+
    * 228 |         FTPCFCNT          |                           |
    *     +---------------------------+                           |
    * 230 |                                                       |
    *     =                       FTPCFBTS                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 248
    *
    *** Overlay for FTPVRV in FTPBK

    *** Overlay for FTPCFBTS in FTPBK
    *
    *                                 +------+------+
    * 228 ...                     22C |:CFCTL|:CWAIT| 22E
    *                                 +------+------+
    *
    *** Overlay for FTPCFBTS in FTPBK

    *** Overlay for FTPBUFSZ in FTPBK
    *
    *     +---------------------------+
    * 3C8 |         FTPMSGSZ          | 3CC
    *     +---------------------------+
    *
    *** Overlay for FTPBUFSZ in FTPBK

#### FTPBK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    FTPALBAD       000D
    FTPBASE        0050
    FTPBROAD       0119 01
    FTPBUFSL       03C8 00000001
    FTPBUFSZ       03C8
    FTPCFBTS       022C
    FTPCFCNT       0228
    FTPCFCTL       022C
    FTPCKSTP       0119 04
    FTPCKWDW       0388 00000008
    FTPCKWRM       0388
    FTPCPUAD       0118
    FTPCPUON       0119 40
    FTPCWAIT       022D
    FTPCYC1        0046
    FTPCYC2        004D
    FTPDMP         02C8
    FTPDMPFI       0290 01
    FTPDMPIP       0290 02
    FTPECKRC       0004
    FTPELEN        011B 00000004
    FTPENTRY       0118
    FTPFABND       011A 04
    FTPFATSK       011A 02
    FTPFENCE       0194
    FTPFERCS       011A 40
    FTPFINLK       0210
    FTPFMCIC       011A 08
    FTPFSIE        011A 80
    FTPFXTSK       011A 01
    FTPF2CS        011A 10
    FTPF2ND        011A 20
    FTPGMCRC       0089
    FTPGSCHN       0045
    FTPGSEXH       0044
    FTPGSVDW       02C8 00000061
    FTPHABEN       0119 08
    FTPINTEG       000A
    FTPIOAVR       0087
    FTPIPLRD       0294 01
    FTPIST         02B8
    FTPISTFP       02B8
    FTPISTPR       02BB 80
    FTPISTST       02BB
    FTPLEN2        0118 00000084
    FTPLEN3        0194 00000090
    FTPMCHKX       0119 02
    FTPMCWMD       0108
    FTPMDFF        0110
    FTPMDNAM       0108
    FTPMDTAB       0118
    FTPMFLG1       0119
    FTPMFLG2       011A
    FTPMFLG3       011B
    FTPMG813       0009
    FTPMSGCT       00CC
    FTPMSGLN       00D0
    FTPMSGST       00CB
    FTPMSGSZ       03C8
    FTPM9401       000C
    FTPM9406       008A
    FTPNADJ        004F
    FTPNEWNC       0294
    FTPNEWRD       0294 02
    FTPNEXTE       011C
    FTPNFORC       004B
    FTPNLTVR       0085
    FTPNOIPL       0049
    FTPNOLOG       004A
    FTPNPASS       0058
    FTPNPGFT       004D
    FTPNPGWT       004E
    FTPNREST       0047
    FTPNTRAC       0048
    FTPNVMCF       004C
    FTPNVSIE       0046
    FTPPID         0059
    FTPPRGCK       0293 01
    FTPRCDFP       0000
    FTPRCDGS       0003
    FTPRLDFP       0040
    FTPRLDGS       0043
    FTPRLDOK       0051
    FTPRLDRE       0052
    FTPRMSFP       00C8
    FTPSECLO       0086
    FTPSIZE        03C8 0000007A
    FTPSOFER       0119 10
    FTPSTATX       0119 20
    FTPSTKCL       008B
    FTPSTKGT       008C
    FTPSTKVR       0084
    FTPSVCIN       0293 02
    FTPTAVRV       0208
    FTPTOD         0110
    FTPTODB1       0111
    FTPTRANS       0294 03
    FTPTRMER       0291 02
    FTPTRMFI       0291 01
    FTPTRMIP       0291 00
    FTPTSTCM       008D
    FTPTSTFP       0080
    FTPUNKWN       0119 80
    FTPUNLOK       000B
    FTPUSRS        020C
    FTPVECSV       0292 01
    FTPVECTR       0292
    FTPVMDBK       0054
    FTPVRE         0308
    FTPVRECK       0008
    FTPVREDW       0308 00000010
    FTPVRERC       0053
    FTPVRRLD       0040
    FTPVRRMS       00C8
    FTPVRTST       0080
    FTPVRV         0208
    FTPVRVRS       0088
    FTPVRWCD       0000
    FTPWRMCL       0390 00000008
    FTPWRMCT       0390
    FTPWRMSL       0388 00000008
    FTPWRMST       0388
    FTPWRP         0288
    FTPWRPDS       0290
    FTPWRPER       0293
    FTPWRPFP       0288
    FTPWRPIN       028C
    FTPWRPTS       0291
    FTPZMIVI       0083
    MCKFDIE1       011B 20
    MCKFDIE2       011B 10
    MCKFEMER       011B 80
    MCKFIOVR       011B 01
    MCKFIPL        011B 08
    MCKFIPLI       011B 04
    MCKFNOTM       011B 40
    MCKFNOVR       011B 02
    VMDCFIDL       022C 02
    VMDCKST        022D 20
    VMDDGCF        022C 40
    VMDDSCWT       022D 10
    VMDEXCF        022C 80
    VMDSKSLP       022D 01
    VMDSLEEP       022D 40
    VMDSTOP        022D 80
    VMDSTOPD       022C 04

This information is based on z/VM V4R4.0. Last updated on 30 Jul 2003 at 12:48:12 EDT.
Copyright IBM Corporation, 1990, 2003