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

#### RDEV

Prolog

Control Block Contents
RDEV DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### RDEV Prolog

     NAME       : HCPRDEV
     DESCRIPTION: REAL DEVICE CONTROL BLOCK
     DSECT      : RDEV
     FUNCTION   : THE REAL DEVICE BLOCK IS USED TO MANAGE THE REAL
                  DEVICE.
     LOCATED BY : HCPRIOIX IS THE ANCHOR FIELD FOR THE RDEV
                  RADIX TREE STRUCTURE.
              HCPRIOIX ---> |-----|
                       0XXX |     |
                            |-----|
                            |     | ---> |-----|
                            |-----| 01XX |     |
                               .         |-----|
                               .         |     |
                               .         |-----|
                                            .
           HCPLSOLX IS THE ANCHOR FIELD FOR THE LOGICAL DEVICE
           RDEV RADIX TREE STRUCTURE.
              HCPLSOLX ---> |-----|
                       0XXX |     |
                            |-----|
                            |     | ---> |-----|
                            |-----| 01XX |     |
                               .         |-----|
                               .         |     |
                               .         |-----|
                                            .
           VSMRTREE IS THE ANCHOR FIELD FOR A SNA DEVICE RDEV
           RADIX TREE STRUCTURE.
              VSMRTREE ---> |-----|
              (VSMBK)  0XXX |     |
                            |-----|
                            |     | ---> |-----|
                            |-----| 01XX |     |
                               .         |-----|
                               .         |     |
                               .         |-----|
                                            .
                  NOTES      : THERE MAY BE MULTIPLE RADIX TREES FOR SNA
                  DEVICES.
                  ACORDEV   FIELD OF ACOBK  - RDEV, ACCOUNTING
                  CPVRDEV   FIELD OF CPVOL  - RDEV, CP VOLUME
                  GSRRDEV   FIELD OF GSRBK  - RDEV, RECOVERY
                  IORRDEV   FIELD OF IORBK  - RDEV, INTERRUPTION PARM
                  OPCRDEV   FIELD OF OPCTB  - RDEV, OPERATOR CONSOLE
                  PFXRDEV0  FIELD OF PFXPG  - RDEV, FIRST SYSTEM DEV
                  PFXRDEVN  FIELD OF PFXPG  - RDEV, FINAL SYSTEM DEV
                  RSPRDEV   FIELD OF RSPBK  - RDEV, SPOOLING DEVICE
                  SNARDEV   FIELD OF SNABK  - RDEV, SNA/CCS DEVICE
                  SYSRDEV   FIELD OF SYSCM  - RDEV, FIRST
                  SYSRESDV  FIELD OF SYSCM  - RDEV, SYSTEM RESIDENCE
                  VDEVRDEV  FIELD OF VDEVBK - RDEV, REAL DEVICE
                  VMDRTERM  FIELD OF VMDBK  - RDEV, USER TERMINAL
     CREATED BY : Real device RDEVs are created in HCPRIO by the
                  sysgen process.
                  Real device RDEVs are created during SET RDEVICE
                  command, machine check CRW processing, or system
                  initialization.
                  RDEVs are created for logical or SNA devices.
                  HCPIID   - Create a real device RDEV
                  HCPLSOCR - Create a logical device RDEV
                  HCPSRD   - Create a real device RDEV
                  HCPVCTCN - Create a SNA device RDEV
                  HCPVRJ   - Create a real device RDEV in the V=R
                  recovery area
                  HCPZCO   - Create a real device RDEV
                  HCPZRP   - Create a real device RDEV
     DELETED BY : Real device RDEVs created in HCPRIO by the sysgen
                  process are static and are never deleted.
                  Real device RDEVs created during SET RDEVICE
                  command, machine check CRW processing, or system
                  initialization may be deleted, but only early in
                  system initialization before anybody can start
                  using them.
                  RDEVs created for logical or SNA device are dynamic
                  and are deleted when no longer required.
                  HCPLSM   - Destroy a logical device RDEV
                  HCPLSODD - Destroy a logical device RDEV
                  HCPSRD   - Destroy a real device RDEV
                  HCPVCZRL - Destroy a SNA device RDEV
                  HCPVCZRS - Destroy a SNA device RDEV
                  HCPZCO   - Destroy a real device RDEV
                  HCPVRE   - Destroy a real device RDEV in the V=R
                  recovery area
                  HCPVRJ   - Destroy a real device RDEV in the V=R
                  recovery area
                  HCPZSF   - Destroy a real device RDEV

#### RDEV Control Block Content

#### RDEV DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      RDEV           REAL DEVICE CONTROL BLOCK
    0000    0 Bitstring   24 RDEVTYP1 (0)   TYPE1 Subchannel Definition
    0000    0 Bitstring    4 RDEVDEFN (0)   DEVICE DEFINITION FIELDS
    0000    0 Signed       2 RDEVCODE (0)   DEVICE IDENTIFICATION CODE
    0000    0 Bitstring    1 RDEVCLAS       DEVICE CLASS
              1... ....      CLASTERM       X'80' TERMINAL DEVICE CLASS
              .1.. ....      CLASGRAF       X'40' GRAPHIC DISPLAY DEVICE
                                            CLASS
              .1.. ...1      CLASGRFR       X'41' GRAPHIC DISPLAY DEVICE
                                            CLASS (REMOTE)
              ..1. ....      CLASPOOL       X'20' UNIT RECORD SPOOLING DEVICE
                                            CLASS
              ...1 ....      CLASSVCM       X'10' SIMULATED DEVICE CLASS
              .... 1...      CLASTAPE       X'08' MAGNETIC TAPE DEVICE CLASS
              .... .1..      CLASDASD       X'04' DIRECT ACCESS STORAGE
                                            DEVICE CLASS
              .... ..1.      CLASSPEC       X'02' SPECIAL DEVICE CLASS
              .... ...1      CLASSWCH       X'01' Switch device class
              1111 1111      CLASAIF        X'FF' Adapter-Interrupt-Facility
                                            (AIF) Class
    0001    1 Bitstring    1 RDEVTYPE       DEVICE TYPE
              1... ....      TYP2700        X'80' TERM - 2700 BISYNC LINE
              1... 1...      TYPBSC         X'88' TERM - BISYNC LINE FOR 3270
                                            REMOTE STATION
              .1.. ....      TYPCONS        X'40' TERM - CONSOLE DEVICE
              .1.. ....      TYP3215        X'40' TERM - 3215 CONSOLE
              .1.. ....      TYP1052        X'40' TERM - 1052 CONSOLE
              ..1. ....      TYPTTY         X'20' TERM - USASCII-8 TELEGRAPH
                                            TERMINAL
              ...1 ....      TYPIBM1        X'10' TERM - IBM TERMINAL CONTROL
                                            TYPE 1
              ...1 11..      TYPUNDEF       X'1C' TERM - TERMINAL TYPE
                                            UNDEFINED
              ...1 1...      TYP2741        X'18' TERM - 2741 COMMUNICATIONS
                                            TERMINAL
              ...1 1...      TYP3767        X'18' TERM - 3767 IN 2741
                                            COMPATIBILITY MOD
              ...1 .1..      TYP1050        X'14' TERM - 1050 COMMUNICATIONS
                                            TERMINAL
              .... 1...      TYPSDLC        X'08' TERM - SDLC Integrated
                                            Adapter
              ..1. ....      TYPTELE2       X'20' TERM - TELE2 Integrated
                                            Adapter
              ..1. .1..      TYPHDLC        X'24' TERM - HDLC Integrated
                                            Adapter
              ..1. 1...      TYPILAN        X'28' TERM - ILAN Integrated
                                            Adapter
              ..1. 1...      TYPELAN        X'28' TERM - ELAN Integrated
                                            Adapter
              .... .1..      TYPIC          X'04' TERM - Integrated console
              .1.. ....      TYP3270        X'40' GRAF - 3270 GENERIC DISPLAY
                                            STATION
              1... ....      TYP3277        X'80' GRAF - 3277 DISPLAY STATION
              .1.. ....      TYP3278        X'40' GRAF - 3278 DISPLAY STATION
              .1.. ....      TYP3178        X'40' GRAF - 3178 DISPLAY STATION
              .1.. ....      TYP3279        X'40' GRAF - 3279 DISPLAY STATION
              .1.. ....      TYP3179        X'40' GRAF - 3179 DISPLAY STATION
              .1.. ....      TYP3180        X'40' GRAF - 3180 DISPLAY STATION
              .1.. ....      TYP3290        X'40' GRAF - 3290 DISPLAY STATION
              .1.. ....      TYP3190        X'40' GRAF - 3190 DISPLAY STATION
              ..1. ....      TYP3271        X'20' GRAF - 3271 CONTROLLER
                                            (REMOTE)
              ...1 ....      TYP3275        X'10' GRAF - 3275 DISPLAY STATION
              .... 1...      TYP3284        X'08' GRAF - 3284 PRINTER
              .... 1...      TYP3286        X'08' GRAF - 3286 PRINTER
              .... 1..1      TYP3287        X'09' GRAF - 3287 PRINTER
              .... 1...      TYP3288        X'08' GRAF - 3288 PRINTER
              .... 1..1      TYP3289        X'09' GRAF - 3289 PRINTER
              .... 1...      TYP3287L       X'08' GRAF - 3287 LOGICAL PRINTER
              .... 1...      TYP3289L       X'08' GRAF - 3289 LOGICAL PRINTER
              .... .1..      TYP2250        X'04' GRAF - 2250 DISPLAY UNIT
              .... .1..      TYP3250        X'04' GRAF - 3250 DISPLAY UNIT
              .... .11.      TYP5080        X'06' GRAF - 5080 DISPLAY UNIT
              ..11 ....      TYPCLUST       X'30' GRAF - CLUSTER CTLR (3271
                                            OR 3275)
              1... ....      TYPRDR         X'80' SPOL - CARD READER DEVICE
              1... ...1      TYP2501        X'81' SPOL - 2501 CARD READER
              1... ..1.      TYP2540R       X'82' SPOL - 2540 CARD READER
              1... .1..      TYP3505        X'84' SPOL - 3505 CARD READER
              .1.. ....      TYPPUN         X'40' SPOL - CARD PUNCH DEVICE
              .1.. ..1.      TYP2540P       X'42' SPOL - 2540 CARD PUNCH
              .1.. .1..      TYP3525        X'44' SPOL - 3525 CARD PUNCH
              ..1. ....      TYPPRT         X'20' SPOL - PRINTER TYPE DEVICE
              ..1. ...1      TYP1403        X'21' SPOL - 1403 PRINTER
              ..1. ..1.      TYP32XX        X'22' SPOL - 3203 OR 3211 PRINTER
              ..1. .11.      TYP3203        X'26' SPOL - 3203 PRINTER
              ..1. ..1.      TYP3211        X'22' SPOL - 3211 PRINTER
              ..1. 1...      TYP3800        X'28' SPOL - 3800 PRINTER
              ..1. ..11      TYP3262        X'23' SPOL - 3262 PRINTER
              ..1. .1..      TYP4245        X'24' SPOL - 4245 PRINTER
              ..1. 1..1      TYP4248        X'29' SPOL - 4248 PRINTER
              ..1. .1.1      TYP3820        X'25' SPOL - 3820 PRINTER -
                                            dedicated only
              ..1. .111      TYPAFP1        X'27' SPOL - AFP1 PRINTER -
                                            dedicated only
              ..1. 1.1.      TYPVAFP        X'2A' SPOL - VAFP PRINTER -
                                            simulated only
              ...1 ....      TYPSYS         X'10' SPOL - SYSTEM VIRT DEVICE
                                            FOR DUMPS
              ...1 ....      TYP3420        X'10' TAPE - 3420 TAPE DRIVE
              ..1. ....      TYP3430        X'20' TAPE - 3430 TAPE DRIVE
              .1.. ....      TYP3480        X'40' TAPE - 3480 TAPE DRIVE
              .1.. ..1.      TYP3424        X'42' TAPE - 3424 TAPE DRIVE
              .1.. .1..      TYP9348        X'44' TAPE - 9348 TAPE DRIVE
              1... ....      TYP3422        X'80' TAPE - 3422 TAPE DRIVE
              1... ...1      TYP3490        X'81' TAPE - 3490 TAPE DRIVE
              1... ..11      TYP3590        X'83' TAPE - 3590 TAPE DRIVE
              .1.. ....      TYP3330        X'40' DASD - 3330 DISK STORAGE
                                            FACILITY
              ..1. ....      TYP3340        X'20' DASD - 3340 DISK STORAGE
                                            FACILITY
              ...1 ....      TYP3350        X'10' DASD - 3350 DISK STORAGE
                                            FACILITY
              ...1 ...1      TYP3350C       X'11' DASD - 3350 4 X 8 PAGING
                                            STORAGE
              ...1 ..1.      TYP3350D       X'12' DASD - 3350 4 X 4 PAGING
                                            STORAGE
              .... 1...      TYP2305        X'08' DASD - 2305 FIXED HEAD
                                            STORAGE FACILITY
              .... .1..      TYP3380        X'04' DASD - 3380 DISK STORAGE
                                            FACILITY
              1... ..1.      TYP3390        X'82' DASD - 3390 DISK STORAGE
                                            FACILITY
              1... ....      TYP3375        X'80' DASD - 3375 DISK STORAGE
                                            FACILITY
              .... ..1.      TYP3370        X'02' DASD - 3370 DISK STORAGE
                                            FACILITY
              1... ...1      TYP9345        X'81' DASD - 9345 DISK STORAGE
                                            FACILITY
              ..1. ...1      TYP9332        X'21' DASD - 9332 FBA Direct
                                            Access Storage
              ..1. ..1.      TYP9335        X'22' DASD - 9335 FBA Direct
                                            Access Storage
              ..1. .1..      TYP9336        X'24' DASD - 9336 FBA Direct
                                            Access Storage
              ..1. 1...      TYPFBA         X'28' DASD - Generic FBA DAS
              .1.. ....      TYP9033        X'40' SWCH - 9033 Switch device
              1... ....      TYP9032        X'80' SWCH - 9032 Switch device
              ..1. ....      TYP2032        X'20' SWCH - 2032 FICON Switch
                                            device
              1... ....      TYPCTCA        X'80' SPEC - CHANNEL TO CHANNEL
                                            ADAPTER
              1... ....      TYP3088        X'80' SPEC - 3088 MULTISYSTEM
                                            CHANNEL COMMUNICATION UNIT
              .1.. ....      TYP3704        X'40' SPEC - 3704 PROGRAMMABLE
                                            COMMUNICATION CONTROL UNIT
              .1.. ....      TYP3705        X'40' SPEC - 3705 PROGRAMMABLE
                                            COMMUNICATION CONTROL UNIT
              ..1. ....      TYPOSA         X'20' SPEC - Open Systems Adapter
                                            (OSA)
              ...1 ....      TYPFCP         X'10' SPEC - Open FCP Adapter
                                            (FCP)
              .... .1..      TYPE3SCH       X'04' SPEC - Type 3 subchannel
              .... ..1.      TYP3851        X'02' SPEC - MSS MASS STORAGE
                                            COMMUNICATOR
              .... 1...      TYP3890        X'08' SPEC - 3890 DOCUMENT
                                            PROCESSOR
              .... ...1      TYPUNSUP       X'01' SPEC - DEVICE UNSUPPORTED
                                            BY * THE VM/ 370 MIGRATION AID
              .... .1..      TYP3SIM        X'04' VCM - Simulated type 3
                                            subchannel
              .... ..1.      TYPDYNIO       X'02' VCM - Dynamic I/O
              .... ...1      TYPMSGF        X'01' VCM - Message Facility
    0002    2 Bitstring    1 RDEVFEAT       DEVICE FEATURES
              1... ....      FTROPRDR       X'80' GRAF - OPERATOR ID CARD
                                            READER
              .... ...1      FTRDIAL        X'01' GRAF - 3275 WITH SWITCHED
                                            LINE SUPPORT
              .... ...1      FTRUCS         X'01' SPOL - UCS FEATURE
              1... ....      FTR4WCGM       X'80' SPOL - 3800 WITH FOUR
                                            WRITEABLE CHARACTER GENERATION
                                            MODULES
              1... ....      FTR7TRK        X'80' TAPE - 7-TRACK FEATURE
              .1.. ....      FTRDUAL        X'40' TAPE - DUAL DENSITY FEATURE
              ..1. ....      FTRTRAN        X'20' TAPE - TRANSLATE FEATURE
              ...1 ....      FTRCONV        X'10' TAPE - DATA CONVERSION
                                            FEATURE
              .... 1...      FTRCMPCT       X'08' TAPE - Data compaction
                                            feature
              1... ....      FTRRPS         X'80' DASD - ROTATIONAL
                                            POSITIONAL SENSING
              .1.. ....      FTRDYNP        X'40' DASD/TAPE - DYNAMIC PATHING
                                            FEATURE
              ..1. ....      FTRVUA         X'20' DASD - 3330V THAT MAY BE
                                            DEDICATED TO A VIRTUAL MACHINE VM
                                            FOR MOUNTING MSS SYSTEM VOLUMES
              .... 1...      FTR35MB        X'08' DASD - 35 MB DATA MODULE
                                            (3340)
              .... .1..      FTR70MB        X'04' DASD - 70 MB DATA MODULE
                                            (3340)
              .... ..1.      FTRRSRL        X'02' DASD/TAPE/SPEC -
                                            RESERVE/RELEASE CCW FEATURE
              .... ...1      FTRCOMP        X'01' DASD - 3350 IN 3330 COMPAT.
                                            MODE
              1... ....      FTRTERM        X'80' SPEC - UNSUPPORTED TERMINAL
                                            DEVICE
              .1.. ....      FTRGRAF        X'40' SPEC - UNSUPPORTED GRAPHIC
                                            DISPLAY DEVICE
              ..1. ....      FTRSPOOL       X'20' SPEC - UNSUPPORTED UNIT
                                            RECORD SPOOLING DEVICE
              .... 1...      FTRTAPE        X'08' SPEC - UNSUPPORTED MAGNETIC
                                            TAPE DEVICE
              .... .1..      FTRDASD        X'04' SPEC - UNSUPPORTED DIRECT
                                            ACCESS DEVICE
              .... ...1      FTRSWCH        X'01' SPEC - Unsupported dynamic
                                            switch
              ...1 ....      FTRTYP1        X'10' SPEC - TYPE ONE CHANNEL
                                            ADAPTER
              .1.. ....      FTRTYP4        X'40' SPEC - TYPE FOUR CHANNEL
                                            ADAPTER
              .... ....      TYPAIF0        X'00' AIF - AIF Adapter Type 0
    0003    3 Bitstring    1 RDEVSCLS       Device subclass
              1... ....      SCLSIMPC       X'80' SPOL - IMPACT PRINTERS
    0004    4 Address      4 RDEVUSER       POINTER TO CONTROLLING VMDBLOCK
    0008    8 Signed       4 RDEVVSCH (0)   OLD AND HISTORICAL NAME
    0008    8 Address      4 RDEVVDEV       POINTER TO DEDICATED DEVICE VDEV
    000C   12 Bitstring    1 RDEVMIHF       USED BY HCPMIH FOR DETECTION OF
                                            MISSING INTERRUPTION CONDITIONS.
    000D   13 Bitstring    1 RDEVLPM        LOGICAL PATH MASK
    000E   14 Bitstring    1 RDEVSRFL       Source flag for RDEV
              1... ....      RDEVSRFR       X'80' RDEV obtained from free
                                            storage
              .1.. ....      RDEVSRSE       X'40' RDEV built as a result of
                                            sense
              ..1. ....      RDEVSDSA       X'20' Vary subchannel offline
              ...1 ....      RDEVFONL       X'10' Vary device on test (forced
                                            online in test mode).
              .... 1...      RDEVVRSV       X'08' This is an RDEV built from
                                            PERSYS storage that is currently
                                            being preserved over a bounce for
                                            the V=R Guest.
              .... ..1.      RDEVDEAD       X'02' Indicates RDEV has been
                                            scheduled for deletion. The RDEV
                                            has been cleared and removed from
                                            the radix tree. This bit should
                                            NEVER be on for any live RDEV.
              .... ...1      RDEVINIT       X'01' Device initialization
                                            active
    000F   15 Address      1 RDEVSZCK       Size of *this* RDEV in D-words
    0010   16 Bitstring    4 RDEVFLGS (0)   DEVICE STATUS FLAGS
    0010   16 Bitstring    1 RDEVSTAT       DEVICE OPERATION STATUS FLAG
              1... ....      RDEVALID       X'80' VALID DEVICE ASSOCIATED
                                            WITH SUBCH
              .1.. ....      RDEVEMUL       X'40' DEVICE IS IN EMULATION MODE
              ..1. ....      RDEVBOX        X'20' BOXED DEVICE
              ...1 ....      RDEVINRQ       X'10' DEVICE INTERVENTION
                                            REQUIRED WAIT
              .... 1...      RDEVLOFF       X'08' OWNER IS IN LOGOFF
                                            PROCESSING
              .... .1..      RDEVEXOF       X'04' OPERATOR VARIED DEVICE
                                            OFFLINE
              .... ..1.      RDEVVPOF       X'02' VARY PATH VARIED THE DEVICE
                                            OFFLINE
              .... ...1      RDEVSBSY       X'01' Device is busy with a
                                            system function
    0011   17 Bitstring    1 RDEVAFLG       DEVICE ALLOCATION CONTROL FLAG
              1... ....      RDEVOFFL       X'80' DEVICE IS OFFLINE
              .1.. ....      RDEVSYS        X'40' DEVICE ATTACHED TO SYSTEM
              ..1. ....      RDEVFREE       X'20' DEVICE IS NOT IN USE
              ...1 ....      RDEVCPVL       X'10' CP VOLUME IS ATTACHED
                                            (RDEVVOL)
              .... 1...      RDEVDED        X'08' DEVICE ATTACHED TO USER
                                            (RDEVUSER)
              .... .1..      RDEVSPL        X'04' DEVICE FOR SPOOLING
                                            (RDEVRSP)
              .... ..1.      RDEVMNT        X'02' VOLUME IS MOUNTED BUT NOT
                                            ATTACHED
              .... ...1      RDEVXVOL       X'01' XVOLID SPECIFIED FOR DASD
                                            OR TAPE
    0012   18 Bitstring    1 RDEVRFLG       DEVICE ERROR RECOVERY CTL FLAG
              1... ....      RDEVWTDE       X'80' MESSAGE HANDLER WAIT FOR
                                            DEVICE END
              .1.. ....      RDEVIRM        X'40' INTENSIVE RECORDING MODE
                                            ACTIVE
              ..1. ....      RDEVINTR       X'20' DEVICE IS INTERVENTION
                                            REQUIRED
              ...1 ....      RDEVRSET       X'10' DEVICE IS BEING RESET
              .... 1...      RDEVCONC       X'08' CONTINGENT CONNECTION FOR
                                            SENSE
              .... .1..      RDEVRSVD       X'04' DEVICE HAS BEEN RESERVED
              .... ..1.      RDEVUDEI       X'02' UNSOLICITED DEVICE END IN
                                            ERP
              .... ...1      RDEVMIHM       X'01' MISSING INTERRUPT MESSAGE
                                            SENT
    0013   19 Bitstring    1 RDEVDFLG       DEVICE DEVICE DEPENDENT STATUS
              1... ....      RDEVAUTO       X'80' 370X - AUTO LOAD/DUMP
                                            ACTIVE
              ..1. ....      RDEVHELD       X'20' DASD - RESERVE IS HELD
              ...1 ....      RDEVPEND       X'10' DASD - RESERVE IS PENDING
              .1.. ....      RDEVRLPN       X'40' DASD - RELEASE IS PENDING
              .... 1...      RDEVSHAR       X'08' DASD IS SHAREABLE
              .... .1..      RDEVSOFF       X'04' DASD SHARING IS TO BE SET
                                            OFF
              .... ..1.      RDEVMDCP       X'02' DASD - Caching in MDC
                                            enabled for devices with MDC on.
                                            (DFLTOFF) See RDEVHSID for
                                            explanation.
              1... ....      RDEVPSUP       X'80' TERM - PRINT SUPPRESS
                                            AVAILABLE
              .1.. ....      RDEVPREP       X'40' TERM - PREPARE CCW ACTIVE
              ..1. ....      RDEVHALT       X'20' TERM - HALT ISSUED TO
                                            DEVICE
              ...1 ....      RDEVIPND       X'10' TERM - IORBK ACTIVE &
                                            PENDING
              .... 1...      RDEVATOF       X'08' TERM - SUPPRESS ATTENION
                                            CHAR.
              .... .1..      RDEVDING       X'04' DIAL in progress
              .1.. ....      RDEVSSCT       X'40' USED FOR SUSPENDING
                                            COUNTING
    0014   20 Signed       4 RDEVLSOP       LOGICAL SUBCHANNEL OBJECT POINTER
    0018   24 Bitstring  104 RDEVSPEC       Device redefinition area
    0080  128 Dbl-Word     8 RDEVSHRT (0)   END OF SHORT (CASCADED) RDEV
    0080  128 Bitstring   16 RDEVLCKW (0)   ENTIRE REAL DEVICE LOCKWORD
    0080  128 Dbl-Word     8 RDEVLOCK (0)   OWNER & ANCHOR OF REAL DEVICE
                                            LOCKWORD
    0080  128 Address      4 RDEVLOWN       ADDRESS OF LOCK OWNER'S VMDBK
    0084  132 Address      4 RDEVTSKQ       ANCHOR FOR QUEUE OF WAITING TASKS
    0088  136 Signed       4 RDEVCTRG       COUNT OF GRANTED RDEV LOCK
                                            REQUESTS
    008C  140 Signed       4 RDEVCTRD       COUNT OF DEFERRED RDEV LOCK
                                            REQUESTS
    0090  144 Address      4 *              RESERVED FOR IBM USE
    0094  148 Address      4 *              RESERVED FOR IBM USE
    0098  152 Address      4 RDEVNXTI       NEXT IMMEDIATE QUEUED IORBK
    009C  156 Address      4 RDEVNXTW       IORBK MOST-RECENTLY-QUEUED FOR
                                            INTERVENTION REQUIRED CONDITION
    00A0  160 Address      4 RDEVAIOR       CURRENTLY ACTIVE I/O REQUEST
    00A4  164 Signed       4 RDEVSID (0)    HOST SUBCHANNEL ID
    00A4  164 Bitstring    1 RDEVSID0       MUST BE X'00'
    00A5  165 Bitstring    1 RDEVSID1       MUST BE X'01'
    00A6  166 Signed       2 RDEVSUB        HOST SUBCHANNEL NUMBER
    00A8  168 Signed       2 RDEVDEV        DEVICE NUMBER
    00AA  170 Signed       2 RDEVMBI        HOST MEASUREMENT BLOCK INDEX
    00AC  172 Address      4 RDEVMBLK       HOST MEASUREMENT BLOCK
    00B0  176 Bitstring    2 RDEVCUID       CONTROL UNIT ID IN PACKED DECIMAL
    00B2  178 Bitstring    1 RDEVCUMN       CONTROL UNIT MODEL NUMBER
    00B3  179 Bitstring    1 RDEVIDFL       IDENTIFICATION VALIDITY FLAGS
              1... ....      RDEVCUIV       X'80' Control unit ID is valid,
                                            having been obtained via the
                                            SENSE ID CCW.
              .1.. ....      RDEVDVIV       X'40' Device ID is valid, having
                                            been obtained via the SENSE ID
                                            CCW. NOTES : RDEVDVMN may still
                                            be filled in when this flag is
                                            OFF, if MODEL= was coded on the
                                            RDEVICE macro.
              ..1. ....      RDEVQDIO       X'20' QDIO Facility is Available
    00B4  180 Bitstring    2 RDEVDVID       DEVICE ID IN PACKED DECIMAL
    00B6  182 Bitstring    1 RDEVDVMN       DEVICE MODEL NUMBER NOTES :
                                            RDEVDVMN is filled in by the
                                            RDEVICE macro when the MODEL=
                                            operand is coded. It may later be
                                            changed if the SENSE ID during
                                            intialization provides a
                                            different model number.
              00000002       M230502        X'02' DASD - 2305 model 2
              00000001       M333001        X'01' DASD - 3330 model 1 (404
                                            cylinders)
              00000001       M333002        X'01' DASD - 3330 model 2 (404
                                            cylinders)
              00000011       M333011        X'11' DASD - 3330 model 11(808
                                            cylinders)
              0000000A       M3380E         X'0A' DASD - 3380 model E
              0000001E       M3380K         X'1E' DASD - 3380 model K
              00000002       M3390N         X'02' DASD - 3390 model 1 native
                                            mode
              00000096       M3390E         X'96' DASD - 3390 model 1
                                            emulation mode
              00000006       M3391N         X'06' DASD - 3390 model 2 native
                                            mode
              0000008A       M3391E         X'8A' DASD - 3390 model 2
                                            emulation mode
              0000000A       M3393N         X'0A' DASD - 3390 model 3 native
                                            mode
              0000009E       M3393E         X'9E' DASD - 3390 model 3
                                            emulation mode
              0000000C       M3399N         X'0C' DASD - 3390 model 9 native
                                            mode
              00000000       M934500        X'00' DASD - 9345 MODEL 1
              00000004       M934504        X'04' DASD - 9345 MODEL 2
              00000001       M380001        X'01' SPOL - 3800 printer model 1
              00000003       M380003        X'03' SPOL - 3800 printer model 3
              00000008       M380008        X'08' SPOL - 3800 printer model 8
              00000002       M327702        X'02' GRAF - 3277 display station
                                            model 2
    00B7  183 Bitstring    1 RDEVRDMN       User specified model number
                                            (RDEVICE)
    00B8  184 Address      4 RDEVERPA       ERROR RECOVER PROCEDURE ADDRESS
    00BC  188 Address      4 RDEVMIH        MISSING INTERRUPT HANDLER BLOCK
    00C0  192 Address      4 RDEVSDR        ADDRESS OF STATISTICAL DATA BLOCK
    00C4  196 Address      4 RDEVWTDV       ADDRESS OF CPEBK FOR WAIT-DEVICE
    00C8  200 Signed       4 RDEVCTIO       COUNT OF I/O REQUESTS QUEUED
    00CC  204 Signed       4 RDEVCTRS       COUNT OF SUCCESSFUL ERP ATTEMPTS
    00D0  208 Signed       4 RDEVCTRU       COUNT OF UNSUCCESSFUL ERP
                                            ATTEMPTS
    00D4  212 Signed       4 RDEVCTSN       COUNT OF SSCH EXECUTED FOR NORMAL
                                            OPERATIONS (CP INITIATED SSCH)
    00D8  216 Signed       4 RDEVCTSS       COUNT OF SSCH EXECUTED FOR SENSE
                                            OPERATIONS
    00DC  220 Signed       4 RDEVCTSR       COUNT OF SSCH EXECUTED FOR
                                            RECOVERY OPERATIONS
    00E0  224 Signed       4 RDEVCTSI       COUNT OF I/O SOLICITED INTERRUPTS
    00E4  228 Signed       4 RDEVCTUI       COUNT OF I/O UNSOLICITED
                                            INTERRUPTS
    00E8  232 Signed       4 RDEVRCWH       CUMULATIVE COUNT OF NUMBER OF
                                            REAL RESERVE CCWS SENT TO A
                                            DEVICE THAT ARE HELD IMMEDIATELY
    00EC  236 Signed       4 RDEVRCWP       CUMULATIVE COUNT OF NUMBER OF
                                            REAL RESERVE CCWS SENT TO A
                                            DEVICE THAT ARE HELD PENDING
    00F0  240 Dbl-Word     8 RDEVRTPD       CUMULATIVE COUNT OF THE AMOUNT OF
                                            REAL TIME A REAL RESERVE CCW IS
                                            "PENDING" OR NOT IMMEDIATELY.
    00F8  248 Signed       4 RDEVMICT       CUMULATIVE COUNT OF THE NUMBER OF
                                            MISSING INTERRUPTS DETECTED FOR
                                            THIS DEVICE
    00FC  252 Signed       4 RDEVSKCT       CUMULATIVE COUNT OF THE NUMBER OF
                                            SEEK CCWS (OR LOCATE CCWS FOR FBA
                                            DASD) EXECUTED ON THIS DEVICE
    0100  256 Signed       4 RDEVSKSM       CUMULATIVE SUMMATION OF CYLINDER
                                            NUMBERS ASSOCIATED WITH SEEK CCWS
                                            (OR LOCATE CCWS FOR FBA DASD)
                                            EXECUTED ON THIS DEVICE
    0104  260 Signed       4 RDEVMCIA       Count of SSCH's avoided due to
                                            Minidisk Cache read hit
    0108  264 Signed       4 RDEVLKTK       Task requesting lock
    010C  268 Address      4 RDEVHFSD       POINTER TO THE HIGH-FREQUENCY
                                            FREE STORAGE DATA AREA FOR THIS
                                            DEVICE
    0110  272 Signed       4 RDEVHFLK       LOCK FOR RDEVHFSD
    0114  276 Signed       4 RDEVMON (0)    MONITOR INFORMATION
    0114  276 Bitstring    1 RDEVMONS       INDICATES THE MONITORING STATUS
                                            FOR THIS DEVICE
              1... ....      RDEVMNSD       X'80' DEVICE IS NOT BEING
                                            MONITORED FOR SAMPLE DATA
              .1.. ....      RDEVMNSK       X'40' DEVICE IS BEING MONITORED
                                            FOR EVENT SEEKS
              ..1. ....      RDEVMNIO       X'20' DEVICE IS BEING MONITORED
                                            FOR EVENT I/O
              ...1 ....      RDEVMNOF       X'10' Subchannel measuring has
                                            been turned off by command or
                                            DEVICES bitmap
    0115  277 Bitstring    1 * (3)          RESERVED FOR FUTURE IBM USE
    0118  280 Address      4 RDEVRDCA       REAL DEVICE CHARACTERISTICS TBL
                                            ADDR
    011C  284 Bitstring    8 RDEVCHPS (0)   ARRAY OF CHANNEL PATH ID'S
    011C  284 Bitstring    1 RDEVCHP0       CHANNEL PATH IDENTIFIER 0
    011D  285 Bitstring    1 RDEVCHP1       CHANNEL PATH IDENTIFIER 1
    011E  286 Bitstring    1 RDEVCHP2       CHANNEL PATH IDENTIFIER 2
    011F  287 Bitstring    1 RDEVCHP3       CHANNEL PATH IDENTIFIER 3
    0120  288 Bitstring    1 RDEVCHP4       CHANNEL PATH IDENTIFIER 4
    0121  289 Bitstring    1 RDEVCHP5       CHANNEL PATH IDENTIFIER 5
    0122  290 Bitstring    1 RDEVCHP6       CHANNEL PATH IDENTIFIER 6
    0123  291 Bitstring    1 RDEVCHP7       CHANNEL PATH IDENTIFIER 7
    0124  292 Bitstring    1 RDEVDP         DYNAMIC PATHING FLAG
              1... ....      RDEVGRPD       X'80' PATHS ARE CURRENTLY GROUPED
              .1.. ....      RDEVPMNV       X'40' PATH MASK IS (OR MAY BE)
                                            NOT VALID
              ..1. ....      RDEVPMIP       X'20' PATH MASK RECONSTRUCTION IN
                                            PROCESS
              ...1 ....      RDEVAPGI       X'10' USE ALTERNATE PATH GROUP ID
              .... ..1.      RDEVMPM        X'02' MULTIPATH MODE DP WAS
                                            ESTABLISHED
              .... ...1      RDEVSPM        X'01' SINGLE PATH MODE DP WAS
                                            ESTABLISHED
    0125  293 Bitstring    1 RDEVPAM        PATH AVAILABLE MASK
    0126  294 Bitstring    1 RDEVRVPT       MASK OF PATH RESERVE WAS ISSUED
                                            DOWN
    0127  295 Bitstring    1 RDEVLPO        MASK OF LOGICAL PATHS VARIED
                                            OFFLINE BY THE SYSTEM OPERATOR
    0128  296 Bitstring    1 RDEVPIM        PATH INSTALLED MASK
    0129  297 Bitstring    1 RDEVPFLG       DEVICE PROCESSING FLAG
              1... ....      RDEVCCTR       X'80' I/O TRACE ENABLED
              .1.. ....      RDEVMSIC       X'40' CP managing the SIC
                                            (Special Intercept Condition)
                                            state of the device.
              ..1. ....      RDEVSSIC       X'20' CP's management of SIC was
                                            SUSPENDED for this device.
              .... 1...      RDEVLDST       X'08' STACK WORK FOR LOGICAL
                                            DEVICE
              .... .1..      RDEVUDPS       X'04' USER DEF DYNAMIC PATH
                                            SELECTION SUPT
              .... ..1.      RDEVURES       X'02' USER DEF RESERVE/RELEASE
                                            CCW SUPPORT
    012A  298 Bitstring    1 RDEVOBS        MASK OF LOGICAL PATHS VARIED
                                            OFFLINE BY THE SYSTEM
    012B  299 Bitstring    1 RDEVCMM        MASK OF LOGICAL PATHS VARIED
                                            OFFLINE BY THE CONFIGURATION
                                            MANAGER
    012C  300 Address      4 RDEVCC1T       CC1 Missing Interrupt TRQBK
                                            Address
    0130  304 Address      4 RDEVSNA        ADDRESS OF THE SNABK(WAS RESERVED
                                            4X)
    0134  308 Address      4 RDEVTRC        ADDRESS OF TRCBK
    0138  312 Address      4 RDEVNRDC       POINTER TO NEXT RDEV IN A QUEUE
                                            OF RDEVS USING THE SAME RDCBK.
    013C  316 Address      4 RDEVSMIH       MIH Supercede MITIME Block
                                            Pointer
    0140  320 Signed       4 RDEVWRCT       Total number of channel programs
                                            containing WRITE only or mixed
                                            with READ operations against this
                                            device.
    0144  324 Signed       4 RDEVRDCT       Total number of channel programs
                                            executed against this device with
                                            only READ operations.
    0148  328 Bitstring    1 RDEVRCDC       Command code for RCD CCW
    0149  329 Bitstring    1 RDEVQSPM       Path mask of quiesced channel
                                            paths
    014A  330 Bitstring    1 RDEVLPIM       Last path interrupt mask
    014B  331 Bitstring    1 RDEVRLPM       RESET EVENT PATH MASK
    014C  332 Address      4 RDEVRSE        POINTER TO RESET EVENT STATUS
                                            (RSEBK)
    0150  336 Signed       4 RDEVLIFO       Recovery counter
    0154  340 Address      4 RDEVERPQ       Deferred IORBK queue during ERPs
    0158  344 Signed       2 RDEVHTCT       COUNT OF UNSOL W/O SOLICITED
                                            INTR'PT
    015A  346 Bitstring    1 RDEVHFLG       HOT I/O FLAG BYTE
              1... ....      RDEVSOLI       X'80' LAST I/O INTERRUPT WAS
                                            SOLICITED
              .1.. ....      RDEVHOTD       X'40' HOT I/O CONDITION DETECTED
              ..1. ....      RDEVHOT        X'20' Device is in Hot I/O
    015B  347 Bitstring    1 RDEVHOTP       Hot I/O Path flags
    015C  348 Bitstring    4 RDEVIOP1 (0)   COUNTERS USED BY THE HCPIOAMG
                                            MACRO TO KEEP A DEVICE OUT OF
                                            IOASSIST FOR..
    015C  348 Bitstring    1 RDEVAMSG       .. ASYNCHRONOUS MESSAGES
    015D  349 Bitstring    1 RDEVDPM        .. DYNAMIC PATH MANAGEMENT
    015E  350 Bitstring    1 RDEVSCI        .. STATE CHANGE INTERRUPTS
    015F  351 Bitstring    1 RDEVXIO        .. MODULE HCPXIO
    0160  352 Bitstring    4 RDEVIOP2 (0)   MORE COUNTERS TO KEEP DEVICE OUT
                                            OF IOASSIST FOR .
    0160  352 Bitstring    1 RDEVCPIO       .. COMMAND PROCESSING
    0161  353 Bitstring    1 RDEVDLST       .. COMMAND PROCESSING WITH A
                                            DEVICE LIST
    0162  354 Bitstring    1 RDEVERPG       .. ERROR RECOVERY
    0163  355 Bitstring    1 RDEVD254       .. Diagnose X'254' I/O
    0164  356 Bitstring    4 RDEVIOP3       More counters to keep device out
                                            of IOASSIST (Reserved for future
                                            use).
    0168  360 Bitstring    4 RDEVIOPB (0)   BITS TO KEEP DEVICE OUT OF
                                            IOASSIST
    0168  360 Bitstring    1 RDEVBIT1       BITS TO KEEP THE DEVICE OUT
                                            FOR...
              1... ....      RDEVSCPE       X'80' ...STATE CHANGE PENDING
              .1.. ....      RDEVTHRT       X'40' ...Device being throttled
    0169  361 Bitstring    1 RDEVBIT2       BITS TO KEEP THE DEVICE OUT OF
                                            BOTH IOASSIST AND FAST PATH
              1... ....      RDEVSECV       X'80' ...SECONDARY VOLUME
    016A  362 Bitstring    1 * (2)          RESERVED FOR FUTURE IOASSIST BITS
    016C  364 Bitstring    1 RDEVSICF       Special Intercept Condition
                                            Finite State Machine (FSM)
              00000000       RDEVSICO       X'00' Device OUT of Special
                                            Intercept Condition ( SIC)
              00000001       RDEVSICI       X'01' Device IN Special Intercept
                                            Condition
              00000002       RDEVSICU       X'02' The SIC state of the device
                                            is UNKNOWN
              00000003       RDEVSICB       X'03' Device is BROKEN.
              0000001F       RDEVSCP        X'1F' The device state is in
                                            transition.
              00000010       RDEVSCPO       X'10' The device state is in
                                            transition, the last known state
                                            was 'OUT'.
              00000011       RDEVSCPI       X'11' The device state is in
                                            transition, the last known state
                                            was 'IN'.
              00000012       RDEVSCPU       X'12' The device state is in
                                            transition, the last known state
                                            was 'UNKNOWN'.
    016D  365 Bitstring    1 RDEVBIFG       Broadcasted interrupt
              .1.. ....      RDEVFL85       X'40' ATTN+DE+UE (state change)
                                            interrupt
              ..1. ....      RDEVALT        X'20' RDEVNXTI "non-flush"
                                            recovery IORBK has been marked as
                                            a "no dequeue" IORBK (IORNODQ=1)
                                            by flush ERP's
    016E  366 Bitstring    1 RDEVLPS        Mask of logical paths varied
                                            offline due to a cable swap
    016F  367 Bitstring    1 RDEVGVFG       GIVE Flag fields
              1... ....      RDEVGVPD       X'80' GIVE Pending
              .1.. ....      RDEVGVEN       X'40' Tape is GIVEN
              ..1. ....      RDEVGVRO       X'20' Tape is read only
              ...1 ....      RDEVGVRT       X'10' Tape is to be returned
              .... 1...      RDEVGVLV       X'08' Tape is not to be rewound
                                            on return
              .... .1..      RDEVGVIO       X'04' Tape is to be reenabled for
                                            IOASSIST when GIVE I/O completes
    0170  368 Address      4 RDEVGVVD       VDEV Address of the GIVER if the
                                            dev. is given with a return
                                            option
    0174  372 Address      4 RDEVRCD        Pointer to the RCDBK
    0178  376 Signed       4 RDEVSICA       Anchor of pending SIC tasks.
    017C  380 Signed       4 RDEV254A       Diagnose 254 active I/O counter
    0180  384 Dbl-Word     8 RDEVAPLK (2)   ATTACH process lock lockword.
                                            This lockword is mapped by
                                            HCPLKIWD and is managed by
                                            HCPIOLAX and HCPIOLRX.
    0190  400 Address      4 RDEVCUI        POINTER TO CUIBK
    0194  404 Address      4 RDEVNXTR       POINTER TO NEXT RDEV ATTACHED TO
                                            SAME CONTROL UNIT
    0198  408 Address      4 RDEVDIO        POINTER TO DIOBK (DYNAMIC I/O
                                            BLOCK)
    019C  412 Signed       4 RDEVENQ        Task enqueued to be dispatched
    01A0  416 Signed       4 RDEVHTIM       Hot I/O Detector time stamp
    01A4  420 Signed       2 RDEVHRAT       Hot I/O Detection Rate IRPT's per
                                            SEC
         There are several phases of cache eligibility: Caching never on for
         this device - RDEVHSID = 0
         Caching enabled (DFLTON) for this - RDEVHSID > 0 device AND RDEVMDCP
         off
         Caching enabled (DFLTOFF) for this - RDEVHSID > 0 device only for
         minidisks with AND MDC set on RDEVMDCP on
         Caching disabled (OFF) for this device- RDEVHSID < 0
    01A6  422 Signed       2 RDEVHSID       First Full track cache hash table
                                            identifier for this device. Also,
                                            high order bit indicates cache
                                            eligibility.
    01A8  424 Signed       4 RDEVAMTQ (9)   Anchor of gated queue manager
    01CC  460 Address      4 RDEVUSLP       Pointer to IOCM for unsolicited
                                            UC's
    01D0  464 Address      4 RDEVUIXT       Unsolicited Interrupt eXiT
    01D4  468 Signed       4 RDEVATIM       Device-Active-Only Time time
                                            stamp
    01D8  472 Bitstring    1 RDEVSCHT       Subchannel type (Must remain like
                                            .VDEVSCHT and SCHVISC)
              00000000       RDEVSTP0       X'00' Type 0 subchannel
              00000060       RDEVSTP3       X'60' Type 3 subchannel
    01D9  473 Bitstring    1 RDEVSNPD       SNAPDUMP initialization /
                                            restoration flags and info
              00000080       RDEVSNPR       X'80' Restoration of device is
                                            complete
              00000040       RDEVUISC       X'40' This device has been
                                            modified to use a unique
                                            interrupt subclass for SNAPDUMP
                                            processing
              00000038       RDEVSNPI       X'38' Original interrupt subclass
                                            of the device (..111...).
                                            Positioned within this byte to be
                                            used easily in conjunction with
                                            CSWISCx equates
              00000004       RDEVSNPC       X'04' CSCH is required to restore
                                            dump device
              00000002       RDEVSNPM       X'02' MSCH is required to restore
                                            dump device
              00000001       RDEVSNPE       X'01' Original concurrent sense
                                            bit setting (.......1).
                                            Positioned within this byte to be
                                            used easily in conjunction with
                                            CSWCSNS.
    01DA  474 Bitstring    1 RDEVCNFG       Reconfiguration Flags
              1... ....      RDEVQUIS       X'80' Device is quiesced
    01DB  475 Bitstring    1 RDEVPVFG       Parallel Access Volume (PAV) Flag
              1... ....      RDEVPVBA       X'80' PAV base device
              .1.. ....      RDEVPVAL       X'40' PAV alias device
    01DC  476 Address      4 RDEVTP3N       Pointer to the next RDEV in the
                                            type 3 subchannel linked list.
                                            Anchored by SYSTP3PT.
    01E0  480 Address      4 RDEVTHPT       Pointer to THRBK
    01E4  484 Signed       4 RDEVPGCT       Cache purge pending counter,
                                            serialized via Compare and Swap
                                            (not the RDEV lock)
    01E8  488 Address      4 RDEVPAVB       RDEV address of the base Parallel
                                            Access Volume (PAV) to which this
                                            alias PAV is associated.
    01EC  492 Address      4 RDEVPAVA       For a base PAV, this is the
                                            address of the first alias PAV in
                                            the chain of all alias PAV's
                                            associated with this base. For an
                                            alias PAV, this is the address of
                                            the next alias PAV in the chain
                                            of all alias PAV's associated
                                            with the base in RDEVPAVB.
    01F0  496 Bitstring    8 *              RESERVED FOR FUTURE IBM USE
    01F8  504 Dbl-Word     8 RDEVEND (0)    END OF A FULL RDEV
              0000003F       RDEVSIZE       (*-RDEV+7)/8 SIZE OF A NORMAL
                                            RDEVBK
              00000010       RDEVSSIZ       (RDEVSHRT-RDEV+7)/8 SIZE OF
                                            CASCADE RDEVBK
    0018   24 Address      4 RDEVMDSK       CHAIN OF MDISK BLOCKS
    001C   28 Address      4 RDEVVOL        POINTER TO SYSTEM CPVOL ENTRY
    0020   32 Character    6 RDEVSER        DASD VOLUME SERIAL IDENTIFIER
    0026   38 Signed       2 RDEVCYL        CURRENT SEEK CYLINDER FOR DASD
    0028   40 Signed       2 RDEVHRCT       COUNTER FOR DETECTING DASD DEVICE
                                            POTENTIAL HEAD CRASH. INCREMENTED
                                            BY DASD ERP WHEN EQUIPMENT CHECK
                                            OR SERIOUS DATA CHECK
                                            REPETITIVELY OCCURS. THE OPERATOR
                                            IS WARNED TO TAKE ACTION WHEN
                                            THIS COUNT REACHES THE THRESHOLD
                                            VALUE.
              00000020       RDEVXHCT       32 THRESHOLD VALUE OF HEAD CRASH
    002A   42 Signed       2 RDEVMDCT       COUNT OF MINIDISK-POOL EXTENTS.
                                            THIS MAY INCLUDE EXTENTS FROM
                                            DIFFERENT MINIDISK-POOLS.
    002C   44 Signed       2 RDEVLCNT       Link count for system DASD device
    002E   46 Signed       2 RDEVFCYL       Number of fixed-head cylinders.
    0030   48 Signed       2 RDEVPCYL       MAXIMUM PAGES/CYLINDER
    0032   50 Signed       2 *              Reserved for IBM use
    0034   52 Signed       4 RDEVMEXT       Maximum number of extents
                                            (block/cyl)
    0038   56 Signed       4 RDEVTEXT       Total number of extents
                                            (block/cyl)
    003C   60 Address      4 RDEVEXPB       ADDRESS OF THE EXPBK OR MEXBK FOR
                                            THIS VOLUME.
    0040   64 Address      4 RDEVPIOL       ANCHOR OF PIOBK'S ON THIS RDEV
    0044   68 Address      4 RDEVRSVQ       POINTER TO RESERVE REQUEST TOKEN
    0048   72 Address      4 RDEVRTRQ       RESERVE REQUEST TIMER ANCHOR
    004C   76 Signed       2 *              Reserved for IBM use
    004E   78 Bitstring    1 RDEVDDFG       DASD Device flag
              1... ....      RDEVFPO        X'80' The device is a
                                            full-pack-overlay minidisk
              .1.. ....      RDEVFBA        X'40' The device is an FBA DASD
              ..1. ....      RDEVCSEE       X'20' Volume formatted for CSE
                                            ECKD tracks
              ...1 ....      RDEVCSNF       X'10' CSE "old" format (pre-ESA
                                            1.1)
              .... 1...      RDEVF370       X'08' FBA volume formatted by 370
                                            system
    004F   79 Bitstring    1 RDEVMXFG       MULTIEXPOSURE DEVICE CONTROL
                                            FLAGS
              .... ..1.      RDEVMX         X'02' DASD - MULTIPLE EXPOSURE
              .... ...1      RDEVBXP        X'01' DASD - BASE EXPOSURE OF A
                                            MX DEVICE
    0050   80 Signed       4 *              Rerserved for future IBM use
    0054   84 Bitstring    1 RDEVDCST       DEVICE CACHING STATUS FLAG
              1... ....      RDEVCACT       X'80' CACHING ACTIVATED
              ..1. ....      RDEVDACP       X'20' DEACTIVATE PENDING
                                            (TRANSFER OF MODIFIED DATA TO
                                            DASD FAILED)
              ...1 ....      RDEVDACT       X'10' CACHING DEACTIVATED
    0055   85 Bitstring    1 RDEVFSTW       DASD FASTWRITE STATUS FLAG
              1... ....      RDEVFWA        X'80' FAST WRITE ALLOWED
              ..1. ....      RDEVFWDP       X'20' FAST WRITE DEACTIVATE
                                            PENDING
              ...1 ....      RDEVFWD        X'10' FAST WRITE DEACTIVATED
              .... 1...      RDEVFWS        X'08' Fast write suspended
                                            RDEVDEXF is modified by a STC in
                                            HCPDPD
    0056   86 Bitstring    1 RDEVDEXF       DASD EXTENDED FUNCTIONS FLAG
              1... ....      RDEVDXPR       X'80' PRIMARY OF DUPLEX PAIR
              .1.. ....      RDEVDXSC       X'40' SECONDARY OF DUPLEX PAIR
              ..1. ....      RDEVPIND       X'20' PINNED DATA EXISTS
              ...1 ....      RDEVNPIN       X'10' PREVIOUSLY PINNED DATA HAS
                                            BECOME UNPINNED.
              .... 1...      RDEVSIMP       X'08' DEVICE IN SIMPLEX MODE
    0057   87 Bitstring    1 RDEVMDCF       Minidisk caching configuration
                                            flags
              1... ....      RDEVMOFF       X'80' Caching in MDC set to OFF
                                            in RDEVICE statement (only used
                                            during ATTACH)
              .1.. ....      RDEVMDOF       X'40' Caching in MDC set to
                                            DFLTOFF in RDEVICE statement
                                            (only used during ATTACH)
              ..1. ....      RDEVMDON       X'20' Caching in MDC set to
                                            DFLTON in RDEVICE statement (only
                                            used during ATTACH)
              111. ....      RDEVMDC        X'E0' All Minidisk caching
                                            configuration flags
    0058   88 Address      4 RDEVBAPT       ADDRESS OF RDEV OF BASE EXPOSURE
                                            OF THIS MX DEVICE.
    005C   92 Address      4 RDEVEXPT       ADDRESS OF RDEV OF NEXT EXPOSURE
                                            OF THIS MX DEVICE.
    0060   96 Address      4 RDEVSCPQ       Anchor for queue of DIAG and CP
                                            'wait' I/O requests during a
                                            state-change- pending condition
    0064  100 Address      4 RDEVSCQT       Tail pointer for I/O requests on
                                            the state-change-pending queue
                                            (RDEVSCPQ)
    0068  104 Signed       4 RDEVSCQC       Count of I/O requests queued on
                                            the state-change-pending queue
                                            (RDEVSCPQ)
    006C  108 Address      4 RDEVSCPT       Address of active timer block
                                            during a state-change-pending
                                            condition
    0070  112 Bitstring    1 RDEVSCF        State-change flag
              1... ....      RDEVSCPC       X'80' State-change-pending
              .1.. ....      RDEVSCPM       X'40' State-change-pending
                                            message issued to system operator
    0071  113 Bitstring    1 RDEVUNIT       UNIT ADDRESS OF DEVICE
    0072  114 Bitstring    1 RDEVDXID       UNIT ADDRESS OF OTHER DUPLEX
                                            DEVICE
    0073  115 Bitstring    1 RDEVDXPS       DUPLEX STATE FLAG
              1... ....      RDEVDXAV       X'80' DUPLEX PAIR AVAILABLE
              .1.. ....      RDEVDXPN       X'40' DUPLEX PAIR PENDING
              ..1. ....      RDEVFDOP       X'20' FAILED DUPLEX, ORIGINAL ON
                                            PRIMARY
              ...1 ....      RDEVFDNP       X'10' FAILED DUPLEX, ORIGINAL NOT
                                            ON PRIMARY
              .... 1...      RDEVDEND       X'08' DUPLEXING ENDED
    0074  116 Bitstring    1 RDEVDRAN       DEVICE is DRAINING for this ALOC
                                            type
    0075  117 Bitstring    1 RDEVDRAB       DEVICE DRAINABLE for this ALOC
                                            type
    0076  118 Character    6 RDEVSERO       Preserved DASD volume serial ID
    007C  124 Bitstring    1 RDEVPPRC       INDICATES THE PEER TO PEER REMOTE
                                            COPY
              1... ....      RDEVSMPX       X'80' DEVICE IS IN SIMPLEX MODE
              .1.. ....      RDEVDUPN       X'40' DEVICE IS IN DUPLEX PENDING
                                            MODE
              ..1. ....      RDEVDUPX       X'20' DEVICE IS IN DUPLEX MODE
              ...1 ....      RDEVSUPX       X'10' DEVICE IS IN SUSPENDED
                                            DUPLEX MODE
              .... 1...      RDEVPRCS       X'08' DEVICE IS A SECONDARY
                                            DEVICE
              .... .1..      RDEVPRCP       X'04' DEVICE IS A PRIMARY DEVICE
    007D  125 Bitstring    1 RDEVMIRS       Mirroring State Flag
              1... ....      RDEVMROP       X'80' Mirroring operational
              .1.. ....      RDEVMRPN       X'40' Mirroring pair pending
              ..1. ....      RDEVMRFL       X'20' Mirroring pair failed
    007E  126 Bitstring    1 * (2)          Reserved for future IBM use
    0018   24 Address      4 RDEVSPT        POINTER TO THE SPTBK FOR THE
                                            SPTAPE COMMAND
    001C   28 Bitstring    1 RDEVTPFG       TAPE OPERATION CONTROL FLAG
              1... ....      RDEVNOAS       X'80' TAPE - DEVICE ATTACHED WITH
                                            THE NOASSIGN OPTION
              .1.. ....      RDEVASNV       X'40' TAPE - ASSIGN/UNASSIGN CCWS
                                            ARE ACCEPTED BY THE DEVICE
              ..1. ....      RDEVMDSV       X'20' TAPE - MODE SET CCW MAY BE
                                            USED TO INHIBIT SUPERVISOR
                                            COMMANDS
              ...1 ....      RDEVRWND       X'10' TAPE - INDICATES TAPE IS IN
                                            THE PROCESS OF BEING REWOUND.
              .... 1...      RDEVYASN       X'08' TAPE - Indicates tape has
                                            been assigned with the vary
                                            command
              .... .1..      RDEVASGN       X'04' TAPE - Indicates tape has
                                            been assigned to CP
              .... ..1.      RDEVNOMS       X'02' TAPE - Avoid issuing mode
                                            set CCW during Attach processing
              .... ...1      RDEVSHRD       X'01' TAPE - Tape drive shared
                                            w/multiuser
    001D   29 Bitstring    1 *              RESERVED FOR FUTURE IBM USE
    001E   30 Signed       2 *              RESERVED FOR FUTURE IBM USE
    0020   32 Character    6 RDEVSERT       TAPE VOLUME SERIAL IDENTIFIER
                                            RDEVSERT LOCATION MUST BE SAME
                                            DISPLACEMENT AS RDEVSER IN DASD
                                            RE-DEFINE AREA
    0026   38 Signed       2 *              RESERVED FOR FUTURE IBM USE
    0028   40 Address      4 RDEVSUSD       POINTER TO THE CPEBK FOR A
                                            SUSPENDED SPTAPE DUMP COMMAND
    002C   44 Address      4 RDEVSTAP       POINTER TO THE STPBK
    0018   24 Address      4 RDEVRSP        POINTER TO THE RSPBK
    0018   24 Bitstring    4 RDEVTCTL (0)   TERMINAL CONTROL FLAGS
    0018   24 Bitstring    1 RDEVTFLG       TERMINAL OPERATION CONTROL FLAGS
              1... ....      RDEVLOG        X'80' TERM - LOGGED ON USER AT
                                            RDEVUSER
              .1.. ....      RDEVLHLD       X'40' HOLD OPTION FROM LOGOFF OR
                                            DISCONNECT
              ..1. ....      RDEVENAB       X'20' TERM - ENABLED FOR SYSTEM
                                            ACCESS
              ...1 ....      RDEVDROP       X'10' TERM - IN DROP PROCESSING
              .... 1...      RDEVDISA       X'08' TERM - DISABLE SEQUENCE IN
                                            PROGRESS
              .... .1..      RDEVCTL        X'04' TERM - CONTROL FUNCTION -
                                            BEING PERFORMED
              .... ..1.      RDEVDOEN       X'02' ENABLE/DISABLE PROCESS FLAG
              .... ...1      RDEVRHLD       X'01' E3270HLD FEATURE OPTION FOR
                                            7171
    0019   25 Bitstring    1 RDEVADVF       327X ADVANCED FEATURE FLAGS
              1... ....      RDEVECOL       X'80' DEVICE HAS EXTENDED COLOR
              .1.. ....      RDEVEHLT       X'40' DEVICE HAS EXTENDED
                                            HIGHLIGHTING
              ..1. ....      RDEVPSS        X'20' DEVICE HAS PROGRAMMABLE
                                            SYMBOL SETS
              ...1 ....      RDEVQRY        X'10' ENABLE GENERAL QUERY IN
                                            PROGRESS
              .... 1...      RDEVWSF        X'08' WSF HAS BEEN ISSUED
              .... .1..      RDEVAINH       X'04' READ NODISPLAY HAS BEEN
                                            ISSUED
              .... ..1.      RDEV7171       X'02' 7171 ASCII DACU 3270
                                            EMULATION
              .... ...1      RDEV14BT       X'01' 14 BIT ADDRESSING IS
                                            SUPPORTED
              111. ..11      RDEV8CBT       RDEVECOL+RDEVEHLT+RDEVPSS+RDEV717
                                            1+RDEV14BT ALL THE BITS USED FOR
                                            DIAGNOSE X'8C'
    001A   26 Bitstring    1 RDEVLLEN       TERMINAL OUTPUT LINE LENGTH
    001B   27 Bitstring    1 RDEVTMCD       TERMINAL CHARACTER-SET CODE
              1... ....      RDEVAPLO       X'80' ASCII/APL 'SHIFT OUT'
              .1.. ....      RDEVAPLI       X'40' ASCII/APL 'SHIFT IN'
              ..1. ....      RDEVTXTC       X'20' TEXT CHARACTER SET
              ...1 ....      RDEVAPLC       X'10' APL CHARACTER SET
              .... 1...      RDEVEDIC       X'08' EBCDIC TERMINAL CODE
              .... .1..      RDEVASCI       X'04' ANSI X3.4 1977 TRANSLATION
                                            TABLE
              .... ..1.      RDEVVM2        X'02' ANSI X3.26 1980 TRANSLATION
                                            TABLE
              .... ...1      RDEVPTTC       X'01' PTTC/EBCD TERMINAL CODE
                                            -------- If none of the above
                                            bits are set then the
                                            Correspondence terminal line code
                                            is used.
    001C   28 Address      4 RDEVCON        POINTER TO COMBK CHAIN
    0020   32 Address      4 RDEVWSFD       VIRTUAL ADDRESS OF THE WSF QUERY
                                            DATA
    0024   36 Signed       2 RDEVWSFL       LENGTH OF WSF QUERY DATA
    0026   38 Bitstring    1 RDEVPT         THE NUMBER OF PARTITIONS ON THE
                                            SCREEN
    0027   39 Bitstring    1 RDEVQFLG       MISCELLANEOUS TERMINAL FLAGS
              1... ....      RDEVQDO        X'80' PERFORM QUERY DATA
                                            INITIALIZATION
              .1.. ....      RDEVQLK        X'40' LOCK QUERY INITIALIZATION
                                            DATA
              ..1. ....      RDEVQIGE       X'20' IGNORE I/O INIT. ERROR
                                            RECORDING
              ...1 ....      RDEVQATN       X'10' WAITING FOR THE WSF QUERY
                                            ATTENTION
              .... 1...      RDEVFORC       X'08' TERMINAL IS BEING FORCED
                                            (DO NOT SCHEDULE ANY MORE I/O TO
                                            IT)
    0028   40 Signed       2 RDEVWDTH       THE WIDTH OF THE SCREEN (# OF
                                            COLUMNS)
    002A   42 Signed       2 RDEVHGHT       THE HEIGHT OF THE SCREEN (# OF
                                            ROWS)
    002C   44 Signed       2 RDEVMRTM (0)   Contains the time intervals from
                                            . MORE to beep to clear . For a
                                            connected user these . values are
                                            duplicates of . VMDMORTM
    002C   44 Bitstring    1 RDEVMRBP       Contains the time from the .
                                            appearance of MORE to beep .
                                            (defaults to 50 seconds)
    002D   45 Bitstring    1 RDEVMRCL       Contains the time from the . beep
                                            to the screen clearing .
                                            (defaults to 50 seconds)
    002E   46 Signed       2 *              RESERVED FOR IBM USE
    0030   48 Bitstring   12 RDEVLGOF (0)   Cover for logo specific fields
    0030   48 Signed       2 RDEVUSLN       Number of complete lines below
                                            the . line containing userid
                                            prompt
    0032   50 Signed       2 RDEVUSLO       Offset into userid line for
                                            userid
    0034   52 Signed       2 RDEVPWLN       Number of complete lines below
                                            the . line containing password
                                            prompt
    0036   54 Signed       2 RDEVPWLO       Offset into password line for
                                            password
    0038   56 Signed       2 RDEVCMLN       Number of complete lines below
                                            the . line containing command
                                            prompt
    003A   58 Signed       2 RDEVCMLO       Offset into command line for
                                            command
    003C   60 Address      4 RDEVDVMD       Pointer to the VMDBK that is
                                            currently being disconnected
                                            from, or logged off of, this RDEV
    0040   64 Bitstring   24 *              Reserved for future IBM use
    0058   88 Bitstring   40 RDEVTDUA       TERMINAL DEVICE UNIQUE AREA -
                                            THIS AREA IS DEFINED FOR EACH
                                            DEVICE
    0058   88 Address      4 RDEVTRQ        POINTER TO CONTROL TRQBK
    005C   92 Signed       2 RDEVINPL       LENGTH OF THE INPUT AREA IN BYTES
    005E   94 Signed       2 RDEVOUTL       LENGTH OF THE OUTPUT AREA IN
                                            BYTES
    0060   96 Signed       2 RDEVINP@       THE BUFFER ADDRESS OF THE INPUT
                                            AREA - ATTRIBUTE BYTE. (12 OR 14
                                            BIT MODE)
    0062   98 Signed       2 RDEVSTS@       THE BUFFER ADDRESS OF THE STATUS
                                            AREA - ATTRIBUTE BYTE. (12 OR 14
                                            BIT MODE)
    0064  100 Signed       2 RDEVCORD (0)   SCREEN COORDINATE FOR NEXT WRITE
    0064  100 Bitstring    1 RDEVROW        THE ROW OF THE NEXT WRITE
    0065  101 Bitstring    1 RDEVCOL        THE COLUMN OF THE NEXT WRITE
    0066  102 Bitstring    1 RDEVERSE       EW/EWA OPCODE TO USE ON THIS
                                            DISPLAY
    0067  103 Bitstring    1 RDEVSFLG       SCREEN CONTROL FLAGS
              1... ....      RDEVMORE       X'80' 3270 - SCREEN FULL, MORE
                                            DATA - TO COME
              .1.. ....      RDEVHOLD       X'40' 3270 - SCREEN FULL, HOLD
                                            FOR - MORE DATA
              ..1. ....      RDEVREAD       X'20' 3270 - READ PENDING FOR
                                            DATA INPUT
              ...1 ....      RDEVRUN        X'10' 3270 - SCREEN IN RUNNING
                                            STATUS
              .... 1...      RDEVCPNA       X'08' 3270 - DATA INPUT NOT
                                            ACCEPTED
              .... .1..      RDEVTPND       X'04' 3270 - TIMER REQUEST
                                            PENDING
              .... ..1.      RDEVFSSA       X'02' 3270 - SCREEN IN VIRT SYS
                                            AVAIL
              .... ...1      RDEVFSII       X'01' 3270 - SCREEN IN VIRT INP
                                            INHIB
              1111 ....      RDEVSTTS       X'F0' 3270 - BITS FOR
                                            MORE+HOLD+READ+RUN
    0068  104 Bitstring    1 RDEVCFLG       SCREEN CONTROL FLAGS
              1... ....      RDEVLOGO       X'80' 3270 - LOGO WRITTEN TO
                                            SCREEN
              .1.. ....      RDEVDIAG       X'40' 3270 - SCREEN WRITTEN WITH
                                            DIAGNOSE
              ..1. ....      RDEVALRM       X'20' 3270 - SCREEN HAS ALARM
                                            MESSAGE
              ...1 ....      RDEVWNG        X'10' 3270 - 10 SECOND WARNING
                                            GIVEN
              .... 1...      RDEVGSUS       X'08' 3270 - GUEST MODE SUSPENDED
              .... .1..      RDEVDGIN       X'04' 3270 - DIAGNOSE TO INPUT
                                            AREA
              .... ..1.      RDEVCARD       X'02' 3270 - DATA FROM CARD
                                            READER
              .... ...1      RDEVAIO        X'01' 3270 - I/O ACTIVE AT TIMER
                                            EXP
    0069  105 Bitstring    1 RDEVEFLG       EXTRA SCREEN CONTROL FLAGS
              1... ....      RDEVVMRD       X'80' VIRTUAL MACHINE READ
                                            PENDING
              .1.. ....      RDEVESEL       X'40' CONTROL UNIT SUPPORTS EXT.
                                            SELECT CCWS
              ..1. ....      RDEVACTV       X'20' ENABLE/DISABLE ACTIVE FLAG
              ...1 ....      RDEVNRED       X'10' DEVICE NOT READY (IE:
                                            POWERED OFF)
              .... 1...      RDEVDBCS       X'08' DEVICE IS DBCS CAPABLE
              .... .1..      RDEVERR        X'04' ERROR CONDITION ASSOCIATED
                                            W/ RDEV
              .... ..1.      RDEVLING       X'02' LOGO IS BEING WRITTEN TO
                                            SCREEN - USED TO FLAG LOGO TO BE
                                            DISPLAYED
    006A  106 Bitstring    1 RDEVLFLG       LOGICAL DEVICE FLAGS
              1... ....      RDEVGONE       X'80' DEVICE IS BEING TERMINATED
              .1.. ....      RDEVLOGE       X'40' Indicates that this LDEV is
                                            in LOGON error processing.
    006B  107 Bitstring    1 RDEVGFDE       stacked work for a device end
    006C  108 Signed       4 RDEVLDDB       ADDRESS OF LOGICAL DEVICE BLOCK
    0070  112 Address      4 RDEVSUSP       LDEV Terminate suspended CPEBK
                                            addr
    0074  116 Address      4 RDEVIORQ       Unsolicited interrupt IORBK queue
    0078  120 Bitstring    8 *              Reserved for future IBM use
    0058   88 Bitstring    1 RDEVSCRL       TTY SCROLLING VALUE
    0059   89 Bitstring    1 RDEVOCNT       TTY OUTPUT LINE COUNT
    005A   90 Bitstring    1 RDEVTTYF       TTY DEVICE FLAGS
              1... ....      RDEVNOCR       X'80' TTY - LAST WRITE WAS NAAUTO
                                            CR
              .1.. ....      RDEVNDLF       X'40' TTY - A LINE FEED IS
                                            REQUIRED
              ...1 ....      RDEV3101       X'10' TTY - TTY DEVICE IS A 3101
              .... 1...      RDEVPCHG       X'08' TTY - TTY PROMPT WAS
                                            CHANGED
              .... .1..      RDEVVPMT       X'04' TTY - VM PROMPT SEQUENCE
              .... ..1.      RDEVNOLF       X'02' TTY - DO NOT LINEFEED
                                            OUTPUT
              .... ...1      RDEVTTYS       X'01' TTY - HAS ENHANCED SNA
                                            SUPPORT
    005B   91 Bitstring    1 RDEVSADN       270X/370X-EP SETADDR VALUE
    005C   92 Bitstring    1 RDEVATNC       Device attention count
    005D   93 Bitstring    1 RDEVSSFL       Start/stop flags
              ..1. ....      RDEVPCPA       X'20' Prepare completion
                                            processing active
              ...1 ....      RDEVIDNT       X'10' Type 2741 line code
                                            identified
    005E   94 Bitstring    1 RDEVRTRC       Device retry count
    005F   95 Bitstring    1 *              RESERVED FOR FUTURE IBM USE
    0060   96 Address      4 RDEVIOSV       Address of savearea used for
                                            HCPIOS calls from HCPCNS.
    0064  100 Bitstring   28 *              RESERVED FOR FUTURE IBM USE
         These fields are only used for communication devices (RDEVCLAS=CLASSPEC
         and RDEVTYPE=TYPCTCA).
    0018   24 Bitstring    1 RDEVCFMD       CF mode
              1... ....      RDEVCFAT       X'80' - In use by the CF
                                            subsystem
    0019   25 Bitstring    3 *              Reserved
    001C   28 Address      4 RDEVCFLK       ISFC Link Extension (LNKBK)
    0020   32 Address      4 RDEVCFDV       ISFC Device Extension (LDVBK)
         These fields are only used for SWITCH devices (RDEVCLAS=CLASSWCH)
    0018   24 Bitstring    6 RDEVTYPN       Type number of the SWITCH from
                                            the RCD data (6 EBCDIC chars).
    001E   30 Bitstring    3 RDEVMODN       Model Number of the SWITCH from
                                            the RCD data (3 EBCDIC chars).
    0021   33 Bitstring    3 RDEVMANF       Manufacturer of the SWITCH from
                                            the RCD data (3 EBCDIC chars).
    0024   36 Bitstring    4 RDEVLIC        LIC (Licensed Internal Code)
                                            Version/Release from RCD data (4
                                            EBCDIC chars). First 2 bytes
                                            contain the version and the last
                                            2 bytes contain the release.
    0028   40 Bitstring    1 RDEVSWFG       SWITCH Flag
              1... ....      RDEVRFRU       X'80' Supports Read FRU
                                            Indicators Command
    0029   41 Bitstring    3 *              Reserved
    002C   44 Address      4 RDEVFRUB       FRU Information Block address
         This area is a re-map of the RDEV for TYPE1 subchannels.
    0000    0 Address      4 RDEVCSC        Pointer to command block
    0004    4 Signed       4 RDEVIRA        Return address after TYPE1
                                            interrupt, cleared by IRA after
                                            interrupt.
    0008    8 Address      4 RDEVSAVE       Ptr to area used to save
                                            environment
    000C   12 Signed       2 RDEVRSCD       Response code from command
    000E   14 Bitstring    1 RDEVSCST       Subchannel status after TYPE1 int
              ..1. ....      RDEVPGCK       X'20' Program Check
              ...1 ....      RDEVPRCK       X'10' Protection Check
              .... 1...      RDEVCDCK       X'08' Channel Data Check
              .... .1..      RDEVCCCK       X'04' Channel Control Check
              .... ...1      RDEVBKUP       X'01' Backed UP
    000F   15 Bitstring    1 RDEVIMSG       Informational message count
    0010   16 Bitstring    8 *              Reserved for IBM use

#### RDEV Storage Layout

    *** RDEV - REAL DEVICE CONTROL BLOCK
    *
    *     +------+------+------+------+---------------------------+
    *   0 |:VCLAS|:VTYPE|:VFEAT|:VSCLS|         RDEVUSER          |
    *     +------+------+------+------+------+------+------+------+
    *   8 |         RDEVVDEV          |:VMIHF|:VLPM |:VSRFL|:VSZCK|
    *     +------+------+------+------+------+------+------+------+
    *  10 |:VSTAT|:VAFLG|:VRFLG|:VDFLG|         RDEVLSOP          |
    *     +------+------+------+------+---------------------------+
    *  18 |                                                       |
    *     =                       RDEVSPEC                        =
    *     |                                                       |
    *     +---------------------------+---------------------------+
    *  80 |         RDEVLOWN          |         RDEVTSKQ          |
    *     +---------------------------+---------------------------+
    *  88 |         RDEVCTRG          |         RDEVCTRD          |
    *     +---------------------------+---------------------------+
    *  90 |///////////////////////////|///////////////////////////|
    *     +---------------------------+---------------------------+
    *  98 |         RDEVNXTI          |         RDEVNXTW          |
    *     +---------------------------+------+------+-------------+
    *  A0 |         RDEVAIOR          |:VSID0|:VSID1|  RDEVSUB    |
    *     +-------------+-------------+------+------+-------------+
    *  A8 |  RDEVDEV    |  RDEVMBI    |         RDEVMBLK          |
    *     +-------------+------+------+-------------+------+------+
    *  B0 |  RDEVCUID   |:VCUMN|:VIDFL|  RDEVDVID   |:VDVMN|:VRDMN|
    *     +-------------+------+------+-------------+------+------+
    *  B8 |         RDEVERPA          |         RDEVMIH           |
    *     +---------------------------+---------------------------+
    *  C0 |         RDEVSDR           |         RDEVWTDV          |
    *     +---------------------------+---------------------------+
    *  C8 |         RDEVCTIO          |         RDEVCTRS          |
    *     +---------------------------+---------------------------+
    *  D0 |         RDEVCTRU          |         RDEVCTSN          |
    *     +---------------------------+---------------------------+
    *  D8 |         RDEVCTSS          |         RDEVCTSR          |
    *     +---------------------------+---------------------------+
    *  E0 |         RDEVCTSI          |         RDEVCTUI          |
    *     +---------------------------+---------------------------+
    *  E8 |         RDEVRCWH          |         RDEVRCWP          |
    *     +---------------------------+---------------------------+
    *  F0 |                       RDEVRTPD                        |
    *     +---------------------------+---------------------------+
    *  F8 |         RDEVMICT          |         RDEVSKCT          |
    *     +---------------------------+---------------------------+
    * 100 |         RDEVSKSM          |         RDEVMCIA          |
    *     +---------------------------+---------------------------+
    * 108 |         RDEVLKTK          |         RDEVHFSD          |
    *     +---------------------------+------+--------------------+
    * 110 |         RDEVHFLK          |:VMONS|////////////////////|
    *     +---------------------------+------+------+------+------+
    * 118 |         RDEVRDCA          |:VCHP0|:VCHP1|:VCHP2|:VCHP3|
    *     +------+------+------+------+------+------+------+------+
    * 120 |:VCHP4|:VCHP5|:VCHP6|:VCHP7|RDEVDP|:VPAM |:VRVPT|:VLPO |
    *     +------+------+------+------+------+------+------+------+
    * 128 |:VPIM |:VPFLG|:VOBS |:VCMM |         RDEVCC1T          |
    *     +------+------+------+------+---------------------------+
    * 130 |         RDEVSNA           |         RDEVTRC           |
    *     +---------------------------+---------------------------+
    * 138 |         RDEVNRDC          |         RDEVSMIH          |
    *     +---------------------------+---------------------------+
    * 140 |         RDEVWRCT          |         RDEVRDCT          |
    *     +------+------+------+------+---------------------------+
    * 148 |:VRCDC|:VQSPM|:VLPIM|:VRLPM|         RDEVRSE           |
    *     +------+------+------+------+---------------------------+
    * 150 |         RDEVLIFO          |         RDEVERPQ          |
    *     +-------------+------+------+------+------+------+------+
    * 158 |  RDEVHTCT   |:VHFLG|:VHOTP|:VAMSG|:VDPM |:VSCI |:VXIO |
    *     +------+------+------+------+------+------+------+------+
    * 160 |:VCPIO|:VDLST|:VERPG|:VD254|         RDEVIOP3          |
    *     +------+------+------+------+------+------+------+------+
    * 168 |:VBIT1|:VBIT2|/////////////|:VSICF|:VBIFG|:VLPS |:VGVFG|
    *     +------+------+-------------+------+------+------+------+
    * 170 |         RDEVGVVD          |         RDEVRCD           |
    *     +---------------------------+---------------------------+
    * 178 |         RDEVSICA          |         RDEV254A          |
    *     +---------------------------+---------------------------+
    * 180 |                       RDEVAPLK                        |
    *     |                                                       |
    *     +---------------------------+---------------------------+
    * 190 |         RDEVCUI           |         RDEVNXTR          |
    *     +---------------------------+---------------------------+
    * 198 |         RDEVDIO           |         RDEVENQ           |
    *     +---------------------------+-------------+-------------+
    * 1A0 |         RDEVHTIM          |  RDEVHRAT   |  RDEVHSID   |
    *     +---------------------------+-------------+-------------+
    * 1A8 |                                                       |
    *     =                       RDEVAMTQ                        =
    *     |                           +---------------------------+
    * 1C8 |                           |         RDEVUSLP          |
    *     +---------------------------+---------------------------+
    * 1D0 |         RDEVUIXT          |         RDEVATIM          |
    *     +------+------+------+------+---------------------------+
    * 1D8 |:VSCHT|:VSNPD|:VCNFG|:VPVFG|         RDEVTP3N          |
    *     +------+------+------+------+---------------------------+
    * 1E0 |         RDEVTHPT          |         RDEVPGCT          |
    *     +---------------------------+---------------------------+
    * 1E8 |         RDEVPAVB          |         RDEVPAVA          |
    *     +---------------------------+---------------------------+
    * 1F0 |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *
    *** RDEV - REAL DEVICE CONTROL BLOCK

    *** Overlay for RDEVSPEC in RDEV
    *
    *     +---------------------------+---------------------------+
    *  18 |         RDEVMDSK          |         RDEVVOL           |
    *     +---------------------------+-------------+-------------+
    *  20 |                RDEVSER                  |  RDEVCYL    |
    *     +-------------+-------------+-------------+-------------+
    *  28 |  RDEVHRCT   |  RDEVMDCT   |  RDEVLCNT   |  RDEVFCYL   |
    *     +-------------+-------------+-------------+-------------+
    *  30 |  RDEVPCYL   |/////////////|         RDEVMEXT          |
    *     +-------------+-------------+---------------------------+
    *  38 |         RDEVTEXT          |         RDEVEXPB          |
    *     +---------------------------+---------------------------+
    *  40 |         RDEVPIOL          |         RDEVRSVQ          |
    *     +---------------------------+-------------+------+------+
    *  48 |         RDEVRTRQ          |/////////////|:VDDFG|:VMXFG|
    *     +---------------------------+------+------+------+------+
    *  50 |///////////////////////////|:VDCST|:VFSTW|:VDEXF|:VMDCF|
    *     +---------------------------+------+------+------+------+
    *  58 |         RDEVBAPT          |         RDEVEXPT          |
    *     +---------------------------+---------------------------+
    *  60 |         RDEVSCPQ          |         RDEVSCQT          |
    *     +---------------------------+---------------------------+
    *  68 |         RDEVSCQC          |         RDEVSCPT          |
    *     +------+------+------+------+------+------+-------------+
    *  70 |:VSCF |:VUNIT|:VDXID|:VDXPS|:VDRAN|:VDRAB|   (076)-    |
    *     +------+------+------+------+------+------+-------------+
    *  78 |        -RDEVSERO          |:VPPRC|:VMIRS|/////////////|
    *     +---------------------------+------+------+-------------+
    *  80
    *
    *** Overlay for RDEVSPEC in RDEV

    *** Overlay for RDEVSPEC in RDEV
    *
    *     +---------------------------+------+------+-------------+
    *  18 |         RDEVSPT           |:VTPFG|//////|/////////////|
    *     +---------------------------+------+------+-------------+
    *  20 |                RDEVSERT                 |/////////////|
    *     +---------------------------+-------------+-------------+
    *  28 |         RDEVSUSD          |         RDEVSTAP          |
    *     +---------------------------+---------------------------+
    *  30
    *
    *** Overlay for RDEVSPEC in RDEV

    *** Overlay for RDEVSPEC in RDEV
    *
    *     +---------------------------+
    *  18 |         RDEVRSP           | 1C
    *     +---------------------------+
    *
    *** Overlay for RDEVSPEC in RDEV

    *** Overlay for RDEVSPEC in RDEV
    *
    *     +------+------+------+------+---------------------------+
    *  18 |:VTFLG|:VADVF|:VLLEN|:VTMCD|         RDEVCON           |
    *     +------+------+------+------+-------------+------+------+
    *  20 |         RDEVWSFD          |  RDEVWSFL   |RDEVPT|:VQFLG|
    *     +-------------+-------------+------+------+------+------+
    *  28 |  RDEVWDTH   |  RDEVHGHT   |:VMRBP|:VMRCL|/////////////|
    *     +-------------+-------------+------+------+-------------+
    *  30 |  RDEVUSLN   |  RDEVUSLO   |  RDEVPWLN   |  RDEVPWLO   |
    *     +-------------+-------------+-------------+-------------+
    *  38 |  RDEVCMLN   |  RDEVCMLO   |         RDEVDVMD          |
    *     +-------------+-------------+---------------------------+
    *  40 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  58 |                                                       |
    *     =                       RDEVTDUA                        =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  80
    *
    *** Overlay for RDEVSPEC in RDEV

    *** Overlay for RDEVTDUA in RDEV
    *
    *     +---------------------------+-------------+-------------+
    *  58 |         RDEVTRQ           |  RDEVINPL   |  RDEVOUTL   |
    *     +-------------+-------------+------+------+------+------+
    *  60 |  RDEVINP@   |  RDEVSTS@   |:VROW |:VCOL |:VERSE|:VSFLG|
    *     +------+------+------+------+------+------+------+------+
    *  68 |:VCFLG|:VEFLG|:VLFLG|:VGFDE|         RDEVLDDB          |
    *     +------+------+------+------+---------------------------+
    *  70 |         RDEVSUSP          |         RDEVIORQ          |
    *     +---------------------------+---------------------------+
    *  78 |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  80
    *
    *** Overlay for RDEVTDUA in RDEV

    *** Overlay for RDEVTDUA in RDEV
    *
    *     +------+------+------+------+------+------+------+------+
    *  58 |:VSCRL|:VOCNT|:VTTYF|:VSADN|:VATNC|:VSSFL|:VRTRC|//////|
    *     +------+------+------+------+------+------+------+------+
    *  60 |         RDEVIOSV          |///////////////////////////|
    *     +---------------------------+///////////////////////////|
    *  68 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  80
    *
    *** Overlay for RDEVTDUA in RDEV

    *** Overlay for RDEVSPEC in RDEV
    *
    *     +------+--------------------+---------------------------+
    *  18 |:VCFMD|////////////////////|         RDEVCFLK          |
    *     +------+--------------------+---------------------------+
    *  20 |         RDEVCFDV          | 24
    *     +---------------------------+
    *
    *** Overlay for RDEVSPEC in RDEV

    *** Overlay for RDEVSPEC in RDEV
    *
    *     +-----------------------------------------+-------------+
    *  18 |                RDEVTYPN                 | RDEVMODN-   |
    *     +------+--------------------+-------------+-------------+
    *  20 |-(01E)|     RDEVMANF       |         RDEVLIC           |
    *     +------+--------------------+---------------------------+
    *  28 |:VSWFG|////////////////////|         RDEVFRUB          |
    *     +------+--------------------+---------------------------+
    *  30
    *
    *** Overlay for RDEVSPEC in RDEV

    *** Overlay for RDEVTYP1 in RDEV
    *
    *     +---------------------------+---------------------------+
    *   0 |         RDEVCSC           |         RDEVIRA           |
    *     +---------------------------+-------------+------+------+
    *   8 |         RDEVSAVE          |  RDEVRSCD   |:VSCST|:VIMSG|
    *     +---------------------------+-------------+------+------+
    *  10 |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  18
    *
    *** Overlay for RDEVTYP1 in RDEV

#### RDEV Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    CLASAIF        0000 FF
    CLASDASD       0000 04
    CLASGRAF       0000 40
    CLASGRFR       0000 41
    CLASPOOL       0000 20
    CLASSPEC       0000 02
    CLASSVCM       0000 10
    CLASSWCH       0000 01
    CLASTAPE       0000 08
    CLASTERM       0000 80
    FTRCMPCT       0002 08
    FTRCOMP        0002 01
    FTRCONV        0002 10
    FTRDASD        0002 04
    FTRDIAL        0002 01
    FTRDUAL        0002 40
    FTRDYNP        0002 40
    FTRGRAF        0002 40
    FTROPRDR       0002 80
    FTRRPS         0002 80
    FTRRSRL        0002 02
    FTRSPOOL       0002 20
    FTRSWCH        0002 01
    FTRTAPE        0002 08
    FTRTERM        0002 80
    FTRTRAN        0002 20
    FTRTYP1        0002 10
    FTRTYP4        0002 40
    FTRUCS         0002 01
    FTRVUA         0002 20
    FTR35MB        0002 08
    FTR4WCGM       0002 80
    FTR7TRK        0002 80
    FTR70MB        0002 04
    M230502        00B6 00000002
    M327702        00B6 00000002
    M333001        00B6 00000001
    M333002        00B6 00000001
    M333011        00B6 00000011
    M3380E         00B6 0000000A
    M3380K         00B6 0000001E
    M3390E         00B6 00000096
    M3390N         00B6 00000002
    M3391E         00B6 0000008A
    M3391N         00B6 00000006
    M3393E         00B6 0000009E
    M3393N         00B6 0000000A
    M3399N         00B6 0000000C
    M380001        00B6 00000001
    M380003        00B6 00000003
    M380008        00B6 00000008
    M934500        00B6 00000000
    M934504        00B6 00000004
    RDEVACTV       0069 20
    RDEVADVF       0019
    RDEVAFLG       0011
    RDEVAINH       0019 04
    RDEVAIO        0068 01
    RDEVAIOR       00A0
    RDEVALID       0010 80
    RDEVALRM       0068 20
    RDEVALT        016D 20
    RDEVAMSG       015C
    RDEVAMTQ       01A8
    RDEVAPGI       0124 10
    RDEVAPLC       001B 10
    RDEVAPLI       001B 40
    RDEVAPLK       0180
    RDEVAPLO       001B 80
    RDEVASCI       001B 04
    RDEVASGN       001C 04
    RDEVASNV       001C 40
    RDEVATIM       01D4
    RDEVATNC       005C
    RDEVATOF       0013 08
    RDEVAUTO       0013 80
    RDEVBAPT       0058
    RDEVBIFG       016D
    RDEVBIT1       0168
    RDEVBIT2       0169
    RDEVBKUP       000E 01
    RDEVBOX        0010 20
    RDEVBXP        004F 01
    RDEVCACT       0054 80
    RDEVCARD       0068 02
    RDEVCCCK       000E 04
    RDEVCCTR       0129 80
    RDEVCC1T       012C
    RDEVCDCK       000E 08
    RDEVCFAT       0018 80
    RDEVCFDV       0020
    RDEVCFLG       0068
    RDEVCFLK       001C
    RDEVCFMD       0018
    RDEVCHPS       011C
    RDEVCHP0       011C
    RDEVCHP1       011D
    RDEVCHP2       011E
    RDEVCHP3       011F
    RDEVCHP4       0120
    RDEVCHP5       0121
    RDEVCHP6       0122
    RDEVCHP7       0123
    RDEVCLAS       0000
    RDEVCMLN       0038
    RDEVCMLO       003A
    RDEVCMM        012B
    RDEVCNFG       01DA
    RDEVCODE       0000
    RDEVCOL        0065
    RDEVCON        001C
    RDEVCONC       0012 08
    RDEVCORD       0064
    RDEVCPIO       0160
    RDEVCPNA       0067 08
    RDEVCPVL       0011 10
    RDEVCSC        0000
    RDEVCSEE       004E 20
    RDEVCSNF       004E 10
    RDEVCTIO       00C8
    RDEVCTL        0018 04
    RDEVCTRD       008C
    RDEVCTRG       0088
    RDEVCTRS       00CC
    RDEVCTRU       00D0
    RDEVCTSI       00E0
    RDEVCTSN       00D4
    RDEVCTSR       00DC
    RDEVCTSS       00D8
    RDEVCTUI       00E4
    RDEVCUI        0190
    RDEVCUID       00B0
    RDEVCUIV       00B3 80
    RDEVCUMN       00B2
    RDEVCYL        0026
    RDEVDACP       0054 20
    RDEVDACT       0054 10
    RDEVDBCS       0069 08
    RDEVDCST       0054
    RDEVDDFG       004E
    RDEVDEAD       000E 02
    RDEVDED        0011 08
    RDEVDEFN       0000
    RDEVDEND       0073 08
    RDEVDEV        00A8
    RDEVDEXF       0056
    RDEVDFLG       0013
    RDEVDGIN       0068 04
    RDEVDIAG       0068 40
    RDEVDING       0013 04
    RDEVDIO        0198
    RDEVDISA       0018 08
    RDEVDLST       0161
    RDEVDOEN       0018 02
    RDEVDP         0124
    RDEVDPM        015D
    RDEVDRAB       0075
    RDEVDRAN       0074
    RDEVDROP       0018 10
    RDEVDUPN       007C 40
    RDEVDUPX       007C 20
    RDEVDVID       00B4
    RDEVDVIV       00B3 40
    RDEVDVMD       003C
    RDEVDVMN       00B6
    RDEVDXAV       0073 80
    RDEVDXID       0072
    RDEVDXPN       0073 40
    RDEVDXPR       0056 80
    RDEVDXPS       0073
    RDEVDXSC       0056 40
    RDEVD254       0163
    RDEVECOL       0019 80
    RDEVEDIC       001B 08
    RDEVEFLG       0069
    RDEVEHLT       0019 40
    RDEVEMUL       0010 40
    RDEVENAB       0018 20
    RDEVEND        01F8
    RDEVENQ        019C
    RDEVERPA       00B8
    RDEVERPG       0162
    RDEVERPQ       0154
    RDEVERR        0069 04
    RDEVERSE       0066
    RDEVESEL       0069 40
    RDEVEXOF       0010 04
    RDEVEXPB       003C
    RDEVEXPT       005C
    RDEVFBA        004E 40
    RDEVFCYL       002E
    RDEVFDNP       0073 10
    RDEVFDOP       0073 20
    RDEVFEAT       0002
    RDEVFLGS       0010
    RDEVFL85       016D 40
    RDEVFONL       000E 10
    RDEVFORC       0027 08
    RDEVFPO        004E 80
    RDEVFREE       0011 20
    RDEVFRUB       002C
    RDEVFSII       0067 01
    RDEVFSSA       0067 02
    RDEVFSTW       0055
    RDEVFWA        0055 80
    RDEVFWD        0055 10
    RDEVFWDP       0055 20
    RDEVFWS        0055 08
    RDEVF370       004E 08
    RDEVGFDE       006B
    RDEVGONE       006A 80
    RDEVGRPD       0124 80
    RDEVGSUS       0068 08
    RDEVGVEN       016F 40
    RDEVGVFG       016F
    RDEVGVIO       016F 04
    RDEVGVLV       016F 08
    RDEVGVPD       016F 80
    RDEVGVRO       016F 20
    RDEVGVRT       016F 10
    RDEVGVVD       0170
    RDEVHALT       0013 20
    RDEVHELD       0013 20
    RDEVHFLG       015A
    RDEVHFLK       0110
    RDEVHFSD       010C
    RDEVHGHT       002A
    RDEVHOLD       0067 40
    RDEVHOT        015A 20
    RDEVHOTD       015A 40
    RDEVHOTP       015B
    RDEVHRAT       01A4
    RDEVHRCT       0028
    RDEVHSID       01A6
    RDEVHTCT       0158
    RDEVHTIM       01A0
    RDEVIDFL       00B3
    RDEVIDNT       005D 10
    RDEVIMSG       000F
    RDEVINIT       000E 01
    RDEVINP@       0060
    RDEVINPL       005C
    RDEVINRQ       0010 10
    RDEVINTR       0012 20
    RDEVIOPB       0168
    RDEVIOP1       015C
    RDEVIOP2       0160
    RDEVIOP3       0164
    RDEVIORQ       0074
    RDEVIOSV       0060
    RDEVIPND       0013 10
    RDEVIRA        0004
    RDEVIRM        0012 40
    RDEVLCKW       0080
    RDEVLCNT       002C
    RDEVLDDB       006C
    RDEVLDST       0129 08
    RDEVLFLG       006A
    RDEVLGOF       0030
    RDEVLHLD       0018 40
    RDEVLIC        0024
    RDEVLIFO       0150
    RDEVLING       0069 02
    RDEVLKTK       0108
    RDEVLLEN       001A
    RDEVLOCK       0080
    RDEVLOFF       0010 08
    RDEVLOG        0018 80
    RDEVLOGE       006A 40
    RDEVLOGO       0068 80
    RDEVLOWN       0080
    RDEVLPIM       014A
    RDEVLPM        000D
    RDEVLPO        0127
    RDEVLPS        016E
    RDEVLSOP       0014
    RDEVMANF       0021
    RDEVMBI        00AA
    RDEVMBLK       00AC
    RDEVMCIA       0104
    RDEVMDC        0057 E0
    RDEVMDCF       0057
    RDEVMDCP       0013 02
    RDEVMDCT       002A
    RDEVMDOF       0057 40
    RDEVMDON       0057 20
    RDEVMDSK       0018
    RDEVMDSV       001C 20
    RDEVMEXT       0034
    RDEVMICT       00F8
    RDEVMIH        00BC
    RDEVMIHF       000C
    RDEVMIHM       0012 01
    RDEVMIRS       007D
    RDEVMNIO       0114 20
    RDEVMNOF       0114 10
    RDEVMNSD       0114 80
    RDEVMNSK       0114 40
    RDEVMNT        0011 02
    RDEVMODN       001E
    RDEVMOFF       0057 80
    RDEVMON        0114
    RDEVMONS       0114
    RDEVMORE       0067 80
    RDEVMPM        0124 02
    RDEVMRBP       002C
    RDEVMRCL       002D
    RDEVMRFL       007D 20
    RDEVMROP       007D 80
    RDEVMRPN       007D 40
    RDEVMRTM       002C
    RDEVMSIC       0129 40
    RDEVMX         004F 02
    RDEVMXFG       004F
    RDEVNDLF       005A 40
    RDEVNOAS       001C 80
    RDEVNOCR       005A 80
    RDEVNOLF       005A 02
    RDEVNOMS       001C 02
    RDEVNPIN       0056 10
    RDEVNRDC       0138
    RDEVNRED       0069 10
    RDEVNXTI       0098
    RDEVNXTR       0194
    RDEVNXTW       009C
    RDEVOBS        012A
    RDEVOCNT       0059
    RDEVOFFL       0011 80
    RDEVOUTL       005E
    RDEVPAM        0125
    RDEVPAVA       01EC
    RDEVPAVB       01E8
    RDEVPCHG       005A 08
    RDEVPCPA       005D 20
    RDEVPCYL       0030
    RDEVPEND       0013 10
    RDEVPFLG       0129
    RDEVPGCK       000E 20
    RDEVPGCT       01E4
    RDEVPIM        0128
    RDEVPIND       0056 20
    RDEVPIOL       0040
    RDEVPMIP       0124 20
    RDEVPMNV       0124 40
    RDEVPPRC       007C
    RDEVPRCK       000E 10
    RDEVPRCP       007C 04
    RDEVPRCS       007C 08
    RDEVPREP       0013 40
    RDEVPSS        0019 20
    RDEVPSUP       0013 80
    RDEVPT         0026
    RDEVPTTC       001B 01
    RDEVPVAL       01DB 40
    RDEVPVBA       01DB 80
    RDEVPVFG       01DB
    RDEVPWLN       0034
    RDEVPWLO       0036
    RDEVQATN       0027 10
    RDEVQDIO       00B3 20
    RDEVQDO        0027 80
    RDEVQFLG       0027
    RDEVQIGE       0027 20
    RDEVQLK        0027 40
    RDEVQRY        0019 10
    RDEVQSPM       0149
    RDEVQUIS       01DA 80
    RDEVRCD        0174
    RDEVRCDC       0148
    RDEVRCWH       00E8
    RDEVRCWP       00EC
    RDEVRDCA       0118
    RDEVRDCT       0144
    RDEVRDMN       00B7
    RDEVREAD       0067 20
    RDEVRFLG       0012
    RDEVRFRU       0028 80
    RDEVRHLD       0018 01
    RDEVRLPM       014B
    RDEVRLPN       0013 40
    RDEVROW        0064
    RDEVRSCD       000C
    RDEVRSE        014C
    RDEVRSET       0012 10
    RDEVRSP        0018
    RDEVRSVD       0012 04
    RDEVRSVQ       0044
    RDEVRTPD       00F0
    RDEVRTRC       005E
    RDEVRTRQ       0048
    RDEVRUN        0067 10
    RDEVRVPT       0126
    RDEVRWND       001C 10
    RDEVSADN       005B
    RDEVSAVE       0008
    RDEVSBSY       0010 01
    RDEVSCF        0070
    RDEVSCHT       01D8
    RDEVSCI        015E
    RDEVSCLS       0003
    RDEVSCP        016C 0000001F
    RDEVSCPC       0070 80
    RDEVSCPE       0168 80
    RDEVSCPI       016C 00000011
    RDEVSCPM       0070 40
    RDEVSCPO       016C 00000010
    RDEVSCPQ       0060
    RDEVSCPT       006C
    RDEVSCPU       016C 00000012
    RDEVSCQC       0068
    RDEVSCQT       0064
    RDEVSCRL       0058
    RDEVSCST       000E
    RDEVSDR        00C0
    RDEVSDSA       000E 20
    RDEVSECV       0169 80
    RDEVSER        0020
    RDEVSERO       0076
    RDEVSERT       0020
    RDEVSFLG       0067
    RDEVSHAR       0013 08
    RDEVSHRD       001C 01
    RDEVSHRT       0080
    RDEVSICA       0178
    RDEVSICB       016C 00000003
    RDEVSICF       016C
    RDEVSICI       016C 00000001
    RDEVSICO       016C 00000000
    RDEVSICU       016C 00000002
    RDEVSID        00A4
    RDEVSID0       00A4
    RDEVSID1       00A5
    RDEVSIMP       0056 08
    RDEVSIZE       01F8 0000003F
    RDEVSKCT       00FC
    RDEVSKSM       0100
    RDEVSMIH       013C
    RDEVSMPX       007C 80
    RDEVSNA        0130
    RDEVSNPC       01D9 00000004
    RDEVSNPD       01D9
    RDEVSNPE       01D9 00000001
    RDEVSNPI       01D9 00000038
    RDEVSNPM       01D9 00000002
    RDEVSNPR       01D9 00000080
    RDEVSOFF       0013 04
    RDEVSOLI       015A 80
    RDEVSPEC       0018
    RDEVSPL        0011 04
    RDEVSPM        0124 01
    RDEVSPT        0018
    RDEVSRFL       000E
    RDEVSRFR       000E 80
    RDEVSRSE       000E 40
    RDEVSSCT       0013 40
    RDEVSSFL       005D
    RDEVSSIC       0129 20
    RDEVSSIZ       01F8 00000010
    RDEVSTAP       002C
    RDEVSTAT       0010
    RDEVSTP0       01D8 00000000
    RDEVSTP3       01D8 00000060
    RDEVSTS@       0062
    RDEVSTTS       0067 F0
    RDEVSUB        00A6
    RDEVSUPX       007C 10
    RDEVSUSD       0028
    RDEVSUSP       0070
    RDEVSWFG       0028
    RDEVSYS        0011 40
    RDEVSZCK       000F
    RDEVTCTL       0018
    RDEVTDUA       0058
    RDEVTEXT       0038
    RDEVTFLG       0018
    RDEVTHPT       01E0
    RDEVTHRT       0168 40
    RDEVTMCD       001B
    RDEVTPFG       001C
    RDEVTPND       0067 04
    RDEVTP3N       01DC
    RDEVTRC        0134
    RDEVTRQ        0058
    RDEVTSKQ       0084
    RDEVTTYF       005A
    RDEVTTYS       005A 01
    RDEVTXTC       001B 20
    RDEVTYPE       0001
    RDEVTYPN       0018
    RDEVTYP1       0000
    RDEVUDEI       0012 02
    RDEVUDPS       0129 04
    RDEVUISC       01D9 00000040
    RDEVUIXT       01D0
    RDEVUNIT       0071
    RDEVURES       0129 02
    RDEVUSER       0004
    RDEVUSLN       0030
    RDEVUSLO       0032
    RDEVUSLP       01CC
    RDEVVDEV       0008
    RDEVVMRD       0069 80
    RDEVVM2        001B 02
    RDEVVOL        001C
    RDEVVPMT       005A 04
    RDEVVPOF       0010 02
    RDEVVRSV       000E 08
    RDEVVSCH       0008
    RDEVWDTH       0028
    RDEVWNG        0068 10
    RDEVWRCT       0140
    RDEVWSF        0019 08
    RDEVWSFD       0020
    RDEVWSFL       0024
    RDEVWTDE       0012 80
    RDEVWTDV       00C4
    RDEVXHCT       0028 00000020
    RDEVXIO        015F
    RDEVXVOL       0011 01
    RDEVYASN       001C 08
    RDEV14BT       0019 01
    RDEV254A       017C
    RDEV3101       005A 10
    RDEV7171       0019 02
    RDEV8CBT       0019 E3
    SCLSIMPC       0003 80
    TYPAFP1        0001 27
    TYPAIF0        0002 00
    TYPBSC         0001 88
    TYPCLUST       0001 30
    TYPCONS        0001 40
    TYPCTCA        0001 80
    TYPDYNIO       0001 02
    TYPELAN        0001 28
    TYPE3SCH       0001 04
    TYPFBA         0001 28
    TYPFCP         0001 10
    TYPHDLC        0001 24
    TYPIBM1        0001 10
    TYPIC          0001 04
    TYPILAN        0001 28
    TYPMSGF        0001 01
    TYPOSA         0001 20
    TYPPRT         0001 20
    TYPPUN         0001 40
    TYPRDR         0001 80
    TYPSDLC        0001 08
    TYPSYS         0001 10
    TYPTELE2       0001 20
    TYPTTY         0001 20
    TYPUNDEF       0001 1C
    TYPUNSUP       0001 01
    TYPVAFP        0001 2A
    TYP1050        0001 14
    TYP1052        0001 40
    TYP1403        0001 21
    TYP2032        0001 20
    TYP2250        0001 04
    TYP2305        0001 08
    TYP2501        0001 81
    TYP2540P       0001 42
    TYP2540R       0001 82
    TYP2700        0001 80
    TYP2741        0001 18
    TYP3SIM        0001 04
    TYP3088        0001 80
    TYP3178        0001 40
    TYP3179        0001 40
    TYP3180        0001 40
    TYP3190        0001 40
    TYP32XX        0001 22
    TYP3203        0001 26
    TYP3211        0001 22
    TYP3215        0001 40
    TYP3250        0001 04
    TYP3262        0001 23
    TYP3270        0001 40
    TYP3271        0001 20
    TYP3275        0001 10
    TYP3277        0001 80
    TYP3278        0001 40
    TYP3279        0001 40
    TYP3284        0001 08
    TYP3286        0001 08
    TYP3287        0001 09
    TYP3287L       0001 08
    TYP3288        0001 08
    TYP3289        0001 09
    TYP3289L       0001 08
    TYP3290        0001 40
    TYP3330        0001 40
    TYP3340        0001 20
    TYP3350        0001 10
    TYP3350C       0001 11
    TYP3350D       0001 12
    TYP3370        0001 02
    TYP3375        0001 80
    TYP3380        0001 04
    TYP3390        0001 82
    TYP3420        0001 10
    TYP3422        0001 80
    TYP3424        0001 42
    TYP3430        0001 20
    TYP3480        0001 40
    TYP3490        0001 81
    TYP3505        0001 84
    TYP3525        0001 44
    TYP3590        0001 83
    TYP3704        0001 40
    TYP3705        0001 40
    TYP3767        0001 18
    TYP3800        0001 28
    TYP3820        0001 25
    TYP3851        0001 02
    TYP3890        0001 08
    TYP4245        0001 24
    TYP4248        0001 29
    TYP5080        0001 06
    TYP9032        0001 80
    TYP9033        0001 40
    TYP9332        0001 21
    TYP9335        0001 22
    TYP9336        0001 24
    TYP9345        0001 81
    TYP9348        0001 44

This information is based on z/VM V4R3.0. Last updated on 1 May 2002 at 09:53:41 EDT.
Copyright IBM Corporation, 1990, 2002