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

#### UDCTL

Prolog

Control Block Contents
UDCTL DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### UDCTL Prolog

     NAME       : HCPUDCTL
     DESCRIPTION: HCPUDU Data Block
     COPYRIGHT -
                  THIS MODULE IS "RESTRICTED MATERIALS OF IBM"
                  5654-A17 (C) COPYRIGHT IBM CORP. - 1992, 2001
                  LICENSED MATERIALS - PROPERTY OF IBM
     DSECT      : UDCTL
     FUNCTION   : The HCPUDU Data Block contains data needed by HCPUDU
                  and HCPUDV (directory update-in-place) function.
     LOCATED BY : Register 10, during HCPUDU/HCPUDV/HCPUDW processing
     CREATED BY : HCPUDU
     DELETED BY : HCPUDU

#### UDCTL Control Block Content

#### UDCTL DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      UDCTL          HCPUDU Data Block
         Information describing the DUNDX control block that we may need to
         modify.
    0000    0 Signed       4 UDCDUNDX       Real address of DUNDX block.
    0004    4 Signed       4 UDCDNPG (0)    Keep next 3 items in order, they
                                            are used with STM/LM.
    0004    4 Signed       4 UDCCPVND       ASA of the page containing the
                                            DUNDX.
    0008    8 Signed       4 UDCVADND       System Virtual Addr of the page
                                            containing the DUNDX.
    000C   12 Signed       4 UDCRADND       Real address of the page
                                            containing the DUNDX.
              0000000C       UDCDRPSZ       *-UDCDNPG Size of data kept for
                                            one directory page. This number
                                            is the same for DUNDX, DVMD,
                                            DDEV, and DCPU pages.
    0010   16 Bitstring    1 UDCFLGND       Flag byte describing status of
                                            the page containing the DUNDX.
              ..1. ....      UDCCHANG       X'20' Page changed and needs to
                                            be rewritten
              ...1 ....      UDCLOCK        X'10' Page is locked
    0011   17 Bitstring    1 * (3)          Reserved for future IBM use.
         Information describing the DVMD control block that we may need to
         modify.
    0014   20 Signed       4 UDCDVMD        Real address of DVMD block.
    0018   24 Signed       4 UDCDMPG (0)    Keep next 3 items in order, they
                                            are used with STM/LM.
    0018   24 Signed       4 UDCCPVMD       ASA of the page containing the
                                            DVMD.
    001C   28 Signed       4 UDCVADMD       System Virtual Addr of the page
                                            containing the DVMD.
    0020   32 Signed       4 UDCRADMD       Real address of the page
                                            containing the DVMD.
    0024   36 Bitstring    1 UDCFLGMD       Flag byte describing status of
                                            the page containing the DVMD.
              ..1. ....      UDCCHANG       X'20' Page changed and needs to
                                            be rewritten
              ...1 ....      UDCLOCK        X'10' Page is locked
    0025   37 Bitstring    1 * (3)          Reserved for future IBM use.
         Information describing the DDEV control block that we may need to
         modify.
    0028   40 Signed       4 UDCDDEV        Real address of DDEV block.
    002C   44 Signed       4 UDCEVPG (0)    Keep next 3 items in order, they
                                            are used with STM/LM.
    002C   44 Signed       4 UDCCPVEV       ASA of the page containing the
                                            DDEV.
    0030   48 Signed       4 UDCVADEV       System Virtual Addr of the page
                                            containing the DDEV.
    0034   52 Signed       4 UDCRADEV       Real address of the page
                                            containing the DDEV.
    0038   56 Bitstring    1 UDCFLGEV       Flag byte describing status of
                                            the page containing the DDEV.
              ..1. ....      UDCCHANG       X'20' Page changed and needs to
                                            be rewritten
              ...1 ....      UDCLOCK        X'10' Page is locked
    0039   57 Bitstring    1 * (3)          Reserved for future IBM use.
         Information describing the DCPU control block that we may need to
         modify.
    003C   60 Signed       4 UDCDCPU        Real address of DCPU block.
    0040   64 Signed       4 UDCPUPG (0)    Keep next 3 items in order, they
                                            are used with STM/LM.
    0040   64 Signed       4 UDCCPVPU       ASA of the page containing the
                                            DCPU.
    0044   68 Signed       4 UDCVADPU       System Virtual Addr of the page
                                            containing the DCPU.
    0048   72 Signed       4 UDCRADPU       Real address of the page
                                            containing the DCPU.
    004C   76 Bitstring    1 UDCFLGPU       Flag byte describing status of
                                            the page containing the DDEV.
              ..1. ....      UDCCHANG       X'20' Page changed and needs to
                                            be rewritten
              ...1 ....      UDCLOCK        X'10' Page is locked
    004D   77 Bitstring    1 * (3)          Reserved for future IBM use.
         These flags describe the status of the pages that we may have changed.
         General Data Area
    0050   80 Signed       2 UDCPRMSZ       Length of DIAG X'84' parameter
                                            list
    0052   82 Bitstring    1 UDCFLAG        HCPUDU control flag
              1... ....      UDCTSTMD       X'80' Indicate DIAG X'84' test
                                            mode
              .1.. ....      UDCDRLKX       X'40' We have directory lock in
                                            share mode
    0053   83 Bitstring    1 *              Reserved for future IBM use
    0054   84 Signed       4 UDCSVD0        GETDVMD, GETDDEV, GETDCPU save R0
    0058   88 Signed       4 UDCSVD1        GETDVMD, GETDDEV, GETDCPU save R1
    005C   92 Signed       4 UDCSVD2        GETDVMD, GETDDEV, GETDCPU save R2
    0060   96 Signed       4 UDCSVD3        GETDVMD, GETDDEV, GETDCPU save R3
    0064  100 Signed       4 UDCSVD4        GETDVMD, GETDDEV, GETDCPU save R4
    0068  104 Signed       4 UDCSVD5        GETDVMD, GETDDEV, GETDCPU save R5
    006C  108 Signed       4 UDCSVD6        GETDVMD, GETDDEV, GETDCPU save R6
    0070  112 Signed       4 UDCSVD7        GETDVMD, GETDDEV, GETDCPU save R7
    0074  116 Signed       4 UDCSVD8        GETDVMD, GETDDEV, GETDCPU save R8
    0078  120 Signed       4 UDCSVD9        GETDVMD, GETDDEV, GETDCPU save R9
    007C  124 Signed       4 UDCSVD10       GETDVMD, GETDDEV, GETDCPU save
                                            R10
    0080  128 Signed       4 UDCSVD11       GETDVMD, GETDDEV, GETDCPU save
                                            R11
    0084  132 Signed       4 UDCSVD12       GETDVMD, GETDDEV, GETDCPU save
                                            R12
    0088  136 Signed       4 UDCSVD13       GETDVMD, GETDDEV, GETDCPU save
                                            R13
    008C  140 Signed       4 UDCSVD14       GETDVMD, GETDDEV, GETDCPU save
                                            R14
    0090  144 Signed       4 UDCSVD15       GETDVMD, GETDDEV, GETDCPU save
                                            R15
    0094  148 Signed       4 UDCSVNDX (10)  GETDUNDX save area
    00BC  188 Signed       4 UDCSVVUS (2)   UDUVUSR save area
    00C4  196 Signed       4 UDCSVREL (3)   RELPAGES save area
    00D0  208 Signed       4 UDCSVRL9
    00D4  212 Signed       4 UDCSVST2       STRINGL save area
    00D8  216 Signed       4 UDCVADDR       vaddr for device (GETDDEV)
    00DC  220 Signed       4 UDCVCPU        vaddr for cpu (GETDCPU)
    00E0  224 Bitstring    1 UDCDCPVL       CPVOL code for Directory volume
    00E1  225 Character    4 UDCWKCLS       Work area for PRIVLEGE
    00E5  229 Character   24 UDCWKMDK       Work area for MDISK
    00FD  253 Character    5 UDCWKLNG       Work area for LANGUAGE Keep the
                                            next 2 lines together...
    0102  258 Signed       2 UDCWKOP        Work area for OPTIONS
              0UDCWKOP       UDCWKOP2       UDCWKOP+1 Work area for OPTIONS
    0104  260 Bitstring    3 UDCWKCPU       Work area for CPUID
    0107  263 Bitstring    1 *              Reserved for future IBM use
         HCPUDU Parameter List Area
    0108  264 Dbl-Word     8 * (0)
    0108  264 Character  256 UDCPARMS
    0108  264 Character    8 UDCUSRID       Userid
    0110  272 Character    8 UDCPASWD       Userid's logon password
    0118  280 Character    8 UDCOPER        DIAG X'84' operation
    0120  288 Character  223 UDCVAR         Up to 223 bytes of variable data
    01FF  511 Bitstring    1 *              Reserved for future IBM use
    0200  512 Signed       2 UDCPMEND (0)
    0200  512 Character    8 UDCFENCE       Set to X'FF's
    0208  520 Signed       2 UDCTLEND (0)
         Redefinition: LOGPASS
    0120  288 Character    8 UDCNWPAS       New logon password
         Redefinition: MDISK (format 2)
    0120  288 Character    3 UDCMADDR       MDISK virtual address
    0123  291 Character    3 UDCMMODE       New default MDISK link mode
    0126  294 Character   24 UDCMPASS       New passwords
         Redefinition: MDISK (format 1)
    0120  288 Character    5 UDCMSTAR       'VADR ' if format 2 is in use
    0125  293 Character   79 UDCMFMT2       Room for MDISK format 2 variable
                                            data
         Redefinition: STORAGE/MAXSTOR
    0120  288 Character    8 UDCNWST        New storage or maxstor value
         Redefinition: PRIVLEGE
    0120  288 Character   32 UDCNWPRI       For up to 32 privilege classes
         Redefinition: EDITCHAR
    0120  288 Character    4 UDCNWED        New line edit characters
    0124  292 Character    4 UDCEDRES       Reserved for future IBM use
         Redefinition: OPTIONS
    0120  288 Character  223 UDCNWOPT       New options
         Redefinition: IPL
    0120  288 Character    8 UDCIPLSY       New IPL system name or device
    0128  296 Character    8 UDCIPLOP       Keyword 'PARM' or ignore
    0130  304 Character   48 UDCIPLPM       IPL variable data
              00000040       UDCIPLSZ       *-UDCIPLSY
         Redefinition: DISTRIB
    0120  288 Character    8 UDCNWDST       New distribution code
         Redefinition: ACCOUNT
    0120  288 Character    8 UDCNWAC1       New 1st (primary) acct no.
    0128  296 Character    8 UDCNWAC2       New 2nd acct no.
    0130  304 Character    8 UDCNWAC3       New 3rd acct no.
    0138  312 Character    8 UDCNWAC4       New 4th acct no.
    0140  320 Character    8 UDCNWAC5       New 5th acct no.
    0148  328 Character    8 UDCNWAC6       New 6th acct no.
    0150  336 Character    8 UDCNWAC7       New 7th acct no.
    0158  344 Character    8 UDCNWAC8       New 8th acct no.
         Redefinition: SCREEN
    0120  288 Character   16 UDCNWCPO       New CPOUT data
    0130  304 Character   16 UDCNWVMO       New VMOUT data
    0140  320 Character   16 UDCNWINR       New INREDISP data
    0150  336 Character   16 UDCNWINP       New INAREA data
    0160  352 Character   16 UDCNWSTA       New STATUS data
         Redefinition: AUTOLOG
    0120  288 Character   80 UDCAUTDA       New AUTOLOG userids (variable
                                            format)
         Redefinition: CPU
    0120  288 Bitstring    2 UDCCPADR       CPU address
    0122  290 Character    1 UDCCBLNK       Blank
    0123  291 Character   78 UDCCPDA        New CPU data (opcode/value)
         Redefinition: MACHINE
    0120  288 Character   80 UDCMACDA       New MACHINE data (opcode/value)
         Redefinition: SPOOLF
    0120  288 Character   80 UDCSPLDA       New SPOOLF data (opcode/value)
              UDCSPLDA       UDCSPLMX       UDCSPLDA+9 'MAXSPOOL ' operand
                                            Redefinition: SHARE
    0120  288 Character   80 UDCSHRDA       New SHARE data (opcode/value)
         Redefinition: XSTORE
    0120  288 Character    3 UDCXSTDA       New XSTORE value ('ON' or 'OFF')
         Redefinition: DATEFMT
    0120  288 Character   10 UDCDATDA       New Default date format setting
         Reset assmbler counter
         End of parameter data.
              000000F8       UDCPMBSZ       (UDCPMEND-UDCPARMS) Size of
                                            parameter area in bytes
              00000018       UDCPMHSZ       (UDCVAR-UDCPARMS) Parameter
                                            header area size in bytes
              00000041       UDCSIZE        (*-UDCTL+7)/8 UDCTL BLOCK SIZE IN
                                            DW'S
              00000208       UDCLEN         (*-UDCTL) UDCTL BLOCK SIZE IN
                                            BYTES

#### UDCTL Storage Layout

    *** UDCTL - HCPUDU Data Block
    *
    *     +---------------------------+---------------------------+
    *   0 |         UDCDUNDX          |         UDCCPVND          |
    *     +---------------------------+---------------------------+
    *   8 |         UDCVADND          |         UDCRADND          |
    *     +------+--------------------+---------------------------+
    *  10 |:FLGND|////////////////////|         UDCDVMD           |
    *     +------+--------------------+---------------------------+
    *  18 |         UDCCPVMD          |         UDCVADMD          |
    *     +---------------------------+------+--------------------+
    *  20 |         UDCRADMD          |:FLGMD|////////////////////|
    *     +---------------------------+------+--------------------+
    *  28 |         UDCDDEV           |         UDCCPVEV          |
    *     +---------------------------+---------------------------+
    *  30 |         UDCVADEV          |         UDCRADEV          |
    *     +------+--------------------+---------------------------+
    *  38 |:FLGEV|////////////////////|         UDCDCPU           |
    *     +------+--------------------+---------------------------+
    *  40 |         UDCCPVPU          |         UDCVADPU          |
    *     +---------------------------+------+--------------------+
    *  48 |         UDCRADPU          |:FLGPU|////////////////////|
    *     +-------------+------+------+------+--------------------+
    *  50 |  UDCPRMSZ   |:FLAG |//////|         UDCSVD0           |
    *     +-------------+------+------+---------------------------+
    *  58 |         UDCSVD1           |         UDCSVD2           |
    *     +---------------------------+---------------------------+
    *  60 |         UDCSVD3           |         UDCSVD4           |
    *     +---------------------------+---------------------------+
    *  68 |         UDCSVD5           |         UDCSVD6           |
    *     +---------------------------+---------------------------+
    *  70 |         UDCSVD7           |         UDCSVD8           |
    *     +---------------------------+---------------------------+
    *  78 |         UDCSVD9           |         UDCSVD10          |
    *     +---------------------------+---------------------------+
    *  80 |         UDCSVD11          |         UDCSVD12          |
    *     +---------------------------+---------------------------+
    *  88 |         UDCSVD13          |         UDCSVD14          |
    *     +---------------------------+---------------------------+
    *  90 |         UDCSVD15          |                           |
    *     +---------------------------+                           |
    *  98 |                                                       |
    *     =                       UDCSVNDX                        =
    *     |                           +---------------------------+
    *     |                           |        UDCSVVUS-          |
    *     +---------------------------+---------------------------+
    *  C0 |          -(0BC)           |         UDCSVREL          |
    *     +---------------------------+                           |
    *     |                                                       |
    *     +---------------------------+---------------------------+
    *  D0 |         UDCSVRL9          |         UDCSVST2          |
    *     +---------------------------+---------------------------+
    *  D8 |         UDCVADDR          |         UDCVCPU           |
    *     +------+--------------------+------+--------------------+
    *  E0 |:DCPVL|         UDCWKCLS          |                    |
    *     +------+---------------------------+                    |
    *  E8 |                                                       |
    *     =                       UDCWKMDK                        =
    *     |                                  +--------------------+
    *     |                                  |     UDCWKLNG-      |
    *     +-------------+-------------+------+-------------+------+
    * 100 |   -(0FD)    |  UDCWKOP    |     UDCWKCPU       |//////|
    *     +-------------+-------------+--------------------+------+
    * 108 |                                                       |
    *     =                       UDCPARMS                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 208
    *
    *** UDCTL - HCPUDU Data Block

    *** Overlay for UDCPARMS in UDCTL
    *
    *     +-------------------------------------------------------+
    * 108 |                       UDCUSRID                        |
    *     +-------------------------------------------------------+
    * 110 |                       UDCPASWD                        |
    *     +-------------------------------------------------------+
    * 118 |                       UDCOPER                         |
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                        UDCVAR                         =
    *     |                                                +------+
    * 1F8 |                                                |//////|
    *     +------------------------------------------------+------+
    * 200 |                       UDCFENCE                        |
    *     +-------------------------------------------------------+
    *
    *** Overlay for UDCPARMS in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCNWPAS                        |
    *     +-------------------------------------------------------+
    * 128
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +--------------------+--------------------+-------------+
    * 120 |     UDCMADDR       |     UDCMMODE       |             |
    *     +--------------------+--------------------+             |
    * 128 |                                                       |
    *     =                       UDCMPASS                        =
    *     |                                         +-------------+
    *     |                                         | 13E
    *     +-----------------------------------------+
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +----------------------------------+--------------------+
    * 120 |            UDCMSTAR              |                    |
    *     +----------------------------------+                    |
    * 128 |                                                       |
    *     =                       UDCMFMT2                        =
    *     |                           +---------------------------+
    *     |                           | 174
    *     +---------------------------+
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCNWST                         |
    *     +-------------------------------------------------------+
    * 128
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                       UDCNWPRI                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 140
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +---------------------------+---------------------------+
    * 120 |         UDCNWED           |         UDCEDRES          |
    *     +---------------------------+---------------------------+
    * 128
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                       UDCNWOPT                        =
    *     |                                                +------+
    *     |                                                | 1FF
    *     +------------------------------------------------+
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCIPLSY                        |
    *     +-------------------------------------------------------+
    * 128 |                       UDCIPLOP                        |
    *     +-------------------------------------------------------+
    * 130 |                                                       |
    *     =                       UDCIPLPM                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 160
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCNWDST                        |
    *     +-------------------------------------------------------+
    * 128
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCNWAC1                        |
    *     +-------------------------------------------------------+
    * 128 |                       UDCNWAC2                        |
    *     +-------------------------------------------------------+
    * 130 |                       UDCNWAC3                        |
    *     +-------------------------------------------------------+
    * 138 |                       UDCNWAC4                        |
    *     +-------------------------------------------------------+
    * 140 |                       UDCNWAC5                        |
    *     +-------------------------------------------------------+
    * 148 |                       UDCNWAC6                        |
    *     +-------------------------------------------------------+
    * 150 |                       UDCNWAC7                        |
    *     +-------------------------------------------------------+
    * 158 |                       UDCNWAC8                        |
    *     +-------------------------------------------------------+
    * 160
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCNWCPO                        |
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 130 |                       UDCNWVMO                        |
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 140 |                       UDCNWINR                        |
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 150 |                       UDCNWINP                        |
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 160 |                       UDCNWSTA                        |
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 170
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                       UDCAUTDA                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 170
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------+------+----------------------------------+
    * 120 |  UDCCPADR   |:CBLNK|                                  |
    *     +-------------+------+                                  |
    * 128 |                                                       |
    *     =                       UDCCPDA                         =
    *     |      +------------------------------------------------+
    *     |      | 171
    *     +------+
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                       UDCMACDA                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 170
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                       UDCSPLDA                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 170
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                                                       |
    *     =                       UDCSHRDA                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    * 170
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +--------------------+
    * 120 |     UDCXSTDA       | 123
    *     +--------------------+
    *
    *** Overlay for UDCVAR in UDCTL

    *** Overlay for UDCVAR in UDCTL
    *
    *     +-------------------------------------------------------+
    * 120 |                       UDCDATDA                        |
    *     |             +-----------------------------------------+
    *     |             | 12A
    *     +-------------+
    *
    *** Overlay for UDCVAR in UDCTL

#### UDCTL Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    UDCAUTDA       0120
    UDCCBLNK       0122
    UDCCHANG       0010 20
    UDCCHANG       0024 20
    UDCCHANG       0038 20
    UDCCHANG       004C 20
    UDCCPADR       0120
    UDCCPDA        0123
    UDCCPVEV       002C
    UDCCPVMD       0018
    UDCCPVND       0004
    UDCCPVPU       0040
    UDCDATDA       0120
    UDCDCPU        003C
    UDCDCPVL       00E0
    UDCDDEV        0028
    UDCDMPG        0018
    UDCDNPG        0004
    UDCDRLKX       0052 40
    UDCDRPSZ       000C 0000000C
    UDCDUNDX       0000
    UDCDVMD        0014
    UDCEDRES       0124
    UDCEVPG        002C
    UDCFENCE       0200
    UDCFLAG        0052
    UDCFLGEV       0038
    UDCFLGMD       0024
    UDCFLGND       0010
    UDCFLGPU       004C
    UDCIPLOP       0128
    UDCIPLPM       0130
    UDCIPLSY       0120
    UDCIPLSZ       0130 00000040
    UDCLEN         0120 00000208
    UDCLOCK        0010 10
    UDCLOCK        0024 10
    UDCLOCK        0038 10
    UDCLOCK        004C 10
    UDCMACDA       0120
    UDCMADDR       0120
    UDCMFMT2       0125
    UDCMMODE       0123
    UDCMPASS       0126
    UDCMSTAR       0120
    UDCNWAC1       0120
    UDCNWAC2       0128
    UDCNWAC3       0130
    UDCNWAC4       0138
    UDCNWAC5       0140
    UDCNWAC6       0148
    UDCNWAC7       0150
    UDCNWAC8       0158
    UDCNWCPO       0120
    UDCNWDST       0120
    UDCNWED        0120
    UDCNWINP       0150
    UDCNWINR       0140
    UDCNWOPT       0120
    UDCNWPAS       0120
    UDCNWPRI       0120
    UDCNWST        0120
    UDCNWSTA       0160
    UDCNWVMO       0130
    UDCOPER        0118
    UDCPARMS       0108
    UDCPASWD       0110
    UDCPMBSZ       0120 000000F8
    UDCPMEND       0200
    UDCPMHSZ       0120 00000018
    UDCPRMSZ       0050
    UDCPUPG        0040
    UDCRADEV       0034
    UDCRADMD       0020
    UDCRADND       000C
    UDCRADPU       0048
    UDCSHRDA       0120
    UDCSIZE        0120 00000041
    UDCSPLDA       0120
    UDCSPLMX       0120 UDCSPLDA
    UDCSVD0        0054
    UDCSVD1        0058
    UDCSVD10       007C
    UDCSVD11       0080
    UDCSVD12       0084
    UDCSVD13       0088
    UDCSVD14       008C
    UDCSVD15       0090
    UDCSVD2        005C
    UDCSVD3        0060
    UDCSVD4        0064
    UDCSVD5        0068
    UDCSVD6        006C
    UDCSVD7        0070
    UDCSVD8        0074
    UDCSVD9        0078
    UDCSVNDX       0094
    UDCSVREL       00C4
    UDCSVRL9       00D0
    UDCSVST2       00D4
    UDCSVVUS       00BC
    UDCTLEND       0208
    UDCTSTMD       0052 80
    UDCUSRID       0108
    UDCVADDR       00D8
    UDCVADEV       0030
    UDCVADMD       001C
    UDCVADND       0008
    UDCVADPU       0044
    UDCVAR         0120
    UDCVCPU        00DC
    UDCWKCLS       00E1
    UDCWKCPU       0104
    UDCWKLNG       00FD
    UDCWKMDK       00E5
    UDCWKOP        0102
    UDCWKOP2       0102 0UDCWKOP
    UDCXSTDA       0120

This information is based on z/VM V4R3.0. Last updated on 30 Apr 2002 at 18:17:16 EDT.
Copyright IBM Corporation, 1990, 2002