Programming Interface Information: This page documents intended Programming Interfaces that allow the customer to write programs to obtain the services of z/VM.

#### ACIPARMS

Prolog

Control Block Contents
ACIPARMS DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### ACIPARMS Prolog

     NAME       : ACIPARMS
     DESCRIPTION: ACCESS CONTROL INTERFACE PARAMETERS
     DSECT      : ACIPARMS
     FUNCTION   : CP Creates this parameter list to interface
                  with The ESM (External Security Manager e.g.
                  RACF)
     LOCATED BY : NONE
     CREATED BY : Modules which call HCPRPIRA and HCPRPWEP.
     DELETED BY : Modules which call HCPRPIRA and HCPRPWEP.

#### ACIPARMS Control Block Content

#### ACIPARMS DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      ACIPARMS       ACCESS CONTROL INTERFACE
                                            PARAMETERS
           The code in this field indicates class of event for the
           purposes of the authorization check associated with the
           ACIBMAPP setting.  On calls where no authorization
           corresponding to the ACIBMAPP setting is applicable,
           ACIVMCMD should be used.
    0000    0 Bitstring    1 ACIFCN         A*1 FUNCTION REQUEST
              00000000       ACILINK        X'00' LINK ACCESS VALIDATION
              00000004       ACISPOOL       X'04' SPOOL ACCESS VALIDATION
              00000008       ACITAG         X'08' NODE ACCESS VALIDATION
              0000000C       ACIDEL         X'0C' DELETE USER REQUEST
              00000010       ACILOG         X'10' LOGON and (X)Autolog
              00000018       ACIALTU        X'18' ALTERNATE USERID
              0000001C       ACIVMCMD       X'1C' COMMAND FUNCTION
              00000020       ACINSSEG       X'20' Restricted Load/Find of an
                                            NSS
              00000024       ACIDCSEG       X'24' Restricted Load/Find of a
                                            DCSS
              00000028       ACIFESM1       X'28' Reserved for ESM internal
                                            use
              0000002C       ACIFESM2       X'2C' Reserved for ESM internal
                                            use
              00000030       ACISETID       X'30' POSIX set ID request
              00000034       ACIQGDB        X'34' POSIX group database query
                                            request
              00000038       ACIQUDB        X'38' POSIX user database query
                                            request
    0001    1 Bitstring    1 ACICODE        A*2 RETURN CODE FIELD
              00000000       ACIAUTH        X'00' Access authorized, or
                                            successful audit
              00000004       ACIDEFR        X'04' Access deferred
              00000008       ACINOAC        X'08' Access denied
              0000000C       ACIFAIL        X'0C' Fail command, issue no
                                            message. For LOGON command, force
                                            user. Only possible when
                                            ACIFCN=ACILOG.
              00000010       ACITERM        X'10' Fail command issue no
                                            message. Only possible when
                                            ACIFCN=ACILOG.
              00000020       ACIUNAV        X'20' ESM was unable to process
                                            request
              00000024       ACINFND        X'24' Input group/user does not
                                            exist
              00000028       ACIBFSM        X'28' Access authorized, but the
                                            data buffer is too small to
                                            contain the requested data
              0000002C       ACINVAL        X'2C' ACINUID/ACINGID contains an
                                            invalid value
              00000030       ACINGMEM       X'30' ACITUSR not a member of the
                                            group identified in
                                            ACIGGNAM/ACIGGID. Only possible
                                            when ACIPXQGM=1.
    0002    2 Bitstring    2 ACILEN         ACIPARMS length, in bytes
           The ACIBMAPA, ACIBMAPP and ACIBMAPM fields contain the
           audit, protect and MAC settings respectively.  For
           privileged commands, the bits in in the field contain the
           settings for CLASSA-CLASSG of the command.  For ANY class
           commands, diagnose codes, and system functions, the
           flags defined after each field are used to indicate the
           setting.
           (ACIBMAPM is located after ACIENV)
    0004    4 Bitstring    1 ACIBMAPA       ACI audit bit
              1... ....      ACIANYAU       X'80' Audit for 'ANY' command
              1... ....      ACIDGNAU       X'80' Audit for Diagnose
              1... ....      ACISYSAU       X'80' Audit for system functions
    0005    5 Bitstring    1 ACIBMAPP       ACI protect bit
              1... ....      ACIANYPR       X'80' Protect for 'ANY' command
              1... ....      ACIDGNPR       X'80' Protect for Diagnose
              1... ....      ACISYSPR       X'80' Protect for system
                                            functions
           The ACIENV codes indicate the format of the ACIPARMS
           buffer being passed.
    0006    6 Bitstring    1 ACIENV         A*3 Type of event
              00000001       ACIXAC         X'01' Command
              00000006       ACIXAD         X'06' DIAGNOSE
              0000000B       ACIXAT         X'0B' TRANSFER function
              0000000C       ACIXAV         X'0C' VMCF function
              0000000F       ACIXACCW       X'0F' Diagnostic CCW function
              00000010       ACISEG         X'10' Diagnose X'64' and RSTDSEG.
              00000011       ACIDIAE4       X'11' Diagnose X'E4'
              00000012       ACIAPPW        X'12' APPC Connect with password
              00000013       ACICNCT        X'13' IUCV & APPC connect
              00000014       ACISEVER       X'14' IUCV & APPC sever
              00000015       ACISPF         X'15' SPF/SDF create, open &
                                            delete and CP printing
              00000030       ACIAUTO        X'30' (X)autolog
              00000031       ACITAGN        X'31' Tag command
              00000032       ACIDISK        X'32' Link or MDISK
              00000033       ACIGVRTN       X'33' GIVE return
              00000037       ACITRANS       X'37' Transfer command & 'TO'
                                            options
              00000038       ACISPTAP       X'38' SPTAPE/SPXTAPE LOAD or DUMP
              00000040       ACIPQUDB       X'40' POSIX user database query
              00000041       ACIPQGDB       X'41' POSIX group database query
              00000042       ACISETUI       X'42' POSIX setuid() function
              00000043       ACISETEU       X'43' POSIX seteuid() function
              00000044       ACISETGI       X'44' POSIX setgid() function
              00000045       ACISETEG       X'45' POSIX setegid() function
              00000046       ACIEXEC        X'46' POSIX exec() function
              00000047       ACINWGRP       X'47' POSIX newgrp utility
              00000048       ACISETSG       X'48' POSIX setgroups() function
    0007    7 Bitstring    1 ACIBMAPM       ACI MAC bits
              1... ....      ACIANYMC       X'80' MAC for 'ANY' command
              1... ....      ACIDGNMC       X'80' MAC for Diagnose
              1... ....      ACISYSMC       X'80' MAC for system functions
    0008    8 Character    8 ACIRGRP        REQUESTOR'S GROUP NAME
    0010   16 Character    8 ACIRUSR        REQUESTOR'S USERID
    0018   24 Character    8 ACITGRP        TARGET GROUP NAME
    0020   32 Character    8 ACITUSR        TARGET USERID
    0028   40 Character    2 ACIMODE        ACCESS MODE
    002A   42 Character    4 ACIADDR        RESOURCE ADDRESS
    002E   46 Bitstring    1 ACILGOPT       Logon options
             Flags defined in ACILGOPT
             These flags are defined for calls with ACIFCN=ACILOG
              1... ....      ACINOPAS       X'80' Don't check the password
              .1.. ....      ACIRECON       X'40' This is a reconnect
              ..1. ....      ACINPMT        X'20' Don't prompt for password
              ...1 ....      ACIVAL         X'10' Only check the password
              .... 1...      ACILOGCL       X'08' Logical terminal
              .... .1..      ACILOCAL       X'04' Local terminal
              .... ..1.      ACISNA         X'02' SNA (VTAM) terminal
              .... ..1.      ACILOGIP       X'02' Logical terminal with IP
                                            address
              .... ...1      ACITTY         X'01' TTY terminal (ASCII)
          ACILOGCL ACILOGIP          Interpretation
          -------- --------          ***************--------------
             off      off            Not an LDEV; no associated IP
                                     (other device flags may clarify)
             on       off            LDEV without IP address
             on       on             LDEV with IPv4 address
             off      on             LDEV with IPv6 address
            ACIVERS indicates the level of the ACIPARMS interface.
            ACIVERS should be set to ACIVERS1 on all ESM calls.
    002F   47 Bitstring    1 ACIVERS        ACIPARMS version indicator
              1... ....      ACIVERS1       X'80' Version 1 indicator
    0030   48 Character    8 ACINODE        Resource nodename
    0038   56 Character    8 ACILABL        Volume label
    0040   64 Character    4 ACITADDR       TARGET RESOURCE ADDRESS
    0044   68 Bitstring    1 ACIFLAG        A*4 Success/failure indicator
              1... ....      ACIGOOD        X'80' The event was success. The
                                            definition of success is based on
                                            CP's authority checking for the
                                            event, not on the execution of
                                            the event. ACIGOOD indicates that
                                            CP has authorized the user to
                                            issue the command, diagnose or
                                            system function.
              .1.. ....      ACIBAD         X'40' The event was failure.
                                            ACIBAD indicates that CP denies
                                            authority for the user to issue
                                            the command, diagnose code, or
                                            system function. (CP is going
                                            going to fail the request). This
                                            flag is normally used on audit-
                                            only requests.
              ..1. ....      ACIANY         X'20' Diagnose code, system
                                            function or Class 'ANY' command
              .... .1..      ACIRO          X'04' Read Only MAC call
              .... ..1.      ACIWO          X'02' Write Only MAC call
              .... ...1      ACIRW          X'01' Read/Write MAC call
    0045   69 Bitstring    1 ACICMDTP       A*5 Command version
    0046   70 Bitstring    1 ACIFLAG2       Processing flags
              1... ....      ACIRMSRC       X'80' A private server is being
                                            xautologged by a remote source
              .1.. ....      ACINPASS       X'40' User defined with NOPASS
                                            operand in system directory
              ..1. ....      ACINQLUN       X'20' The SNA logical unit
                                            identifier or the logical device
                                            identifier defined in ACITRMID
                                            has a network qualifier defined
                                            in ACINWQFR
              ...1 ....      ACIPXALL       X'10' Indicates real, effective &
                                            saved set IDs are to be set (0
                                            value indicates only effective ID
                                            is to be set)
              .... 1...      ACIPXUSN       X'08' Indicates supplying a
                                            user/group name in ACIxxNAM (as
                                            opposed to a UID/GID in ACIxxID)
              .... .1..      ACIPXSYS       X'04' Indicates this is
                                            CP-initiated query (as opposed to
                                            a user- initiated query). No
                                            authority checking should be
                                            performed.
              .... ..1.      ACIPXIDS       X'02' Indicates the query was
                                            initiated by a POSIX process.
                                            ACIxxUID & ACIxxGID are filled
                                            in.
              .... ...1      ACIPXQGM       X'01' Indicates this is the query
                                            to determine if ACITUSR is a
                                            member of the group identified in
                                            ACIGGNAM/ACIGGID Redefined
                                            following bits in ACIFLAG2 for CP
                                            use only
              .... ...1      ACIMSGUS       X'01' Indicates the error message
                                            only be issued to the user
    0047   71 Bitstring    1 ACIRSNCD       Seclabel relationship - for MDISK
              ..1. ....      ACISD          X'20' Subject dominates object
    0048   72 Character   12 ACIEVENT       Event name
    0054   84 Signed       4 ACIVMDBK       address of the VMDBK for a user
                                            who is being autologged or logged
                                            on
    0058   88 Character    8 ACIBYVAL       BYUSER ID
    0060   96 Character    8 ACISLAB        Source seclabel
    0068  104 Character    8 ACITLAB        Target seclabel
    0070  112 Character    8 ACIALAB        Alternate seclabel
    0078  120 Dbl-Word     8 ACIDATA (0)    Start of variable length data
              00000078       ACISIZEB       (*-ACIPARMS) Size of fixed-length
                                            portion of the ACIPARMS, in bytes
              0000000F       ACISIZE        (ACIDATA-ACIPARMS+7)/8 ACIPARMS
                                            size in double word
    0078  120 Character   40 ACIPASS        LOGON PASSWORDS
              00000005       ACIPWSZ        (*-ACIDATA+7)/8 Size of ACIPASS
    00A0  160 Character    8 ACINWQFR       The network qualifier of the SNA
                                            logical unit identifier or the
                                            logical device identifier
                                            provided in ACITRMID
              000000A8       ACILG1SB       (*-ACIPARMS) ACIPARMS size, in
                                            bytes, for LOGON event
    00A8  168 Bitstring    1 ACILOPTS       LOGON/(X)AUTOLOG option settings
              1... ....      ACILSIDE       X'80' Indicates the option
                                            settings are provided by ESM if
                                            the bit is on. Otherwise, the
                                            option settings are deferred to
                                            CP and the ACILSIDA field is
                                            unused
              .1.. ....      ACILSIDA       X'40' Indicates the user is
                                            allowed to set other's POSIX IDs.
    00A9  169 Bitstring    1 * (3)          Reserved for IBM use
    00AC  172 Signed       4 *              Reserved for IBM use
    00B0  176 Character    8 ACITRMI2       Rest of IPv6 Terminal identifier
    00B8  184 Dbl-Word     8 ACILBUFL (0)   LOGON/(X)AUTOLOG data buffer list
    00B8  184 Address      4 ACILUIDA       Addr of the buffer to contain the
                                            user's POSIX UID
    00BC  188 Signed       4 ACILUIDL       Length of the buffer pointed to
                                            by ACILUIDA
    00C0  192 Address      4 ACILGIDA       Addr of the buffer to contain the
                                            user's POSIX GID
    00C4  196 Signed       4 ACILGIDL       Length of the buffer pointed to
                                            by ACILGIDA
    00C8  200 Address      4 ACILSGIA       Addr of the buffer to contain the
                                            user's supplementary GID list
    00CC  204 Signed       4 ACILSGIL       Length of the buffer pointed to
                                            by ACILSGIA
              0000000B       ACILGNSZ       (*-ACIDATA+7)/8 ACIDATA size, in
                                            double words, for LOGON event
              000000D0       ACILGNSB       (*-ACIPARMS) ACIPARMS size, in
                                            bytes, for LOGON event
              0000001A       ACILGNSD       (ACILGNSB+7)/8 ACIPARMS size, in
                                            DWs, for LOGON event
    00BC  188 Bitstring    1 ACILUIDI       Indicate who provided POSIX UID
              1... ....      ACILUIDE       X'80' POSIX UIDs provided by ESM
    00C4  196 Bitstring    1 ACILGIDI       Indicate who provided POSIX GID
              1... ....      ACILGIDE       X'80' POSIX GIDs provided by ESM
    00CC  204 Bitstring    1 ACILSGII       Indicate who provided POSIX SGIDs
              1... ....      ACILSGIE       X'80' POSIX SGIDs provided by ESM
    0078  120 Bitstring    1 ACIPWLEN       Password length
    0079  121 Character   39 ACIPSWD        Password
    0030   48 Character    8 ACITRMID       Terminal ID
    0038   56 Character    8 ACIDSPID       Dispatched userid
    0018   24 Character    8 ACIWUSR        WORKING (TARGET) USERID
    0020   32 Character    8 ACIAUSR        ALTERNATE USERID ASSIGNED
    0030   48 Character    8 ACINSPLD       New seclabel
    0078  120 Bitstring    8 ACISEGNM       EBCDIC shared segment name
    0078  120 Signed       4 ACIRX          Contents of the RX register
    007C  124 Signed       4 ACIRX1         Contents of the RX+1 register
    0080  128 Signed       4 ACIRY          Contents of the RY register
    0084  132 Signed       4 ACIRY1         Contents of the RY+1 register
              00000002       ACIDISZ        (*-ACIRX+7)/8 ACIDATA size for
                                            DIAGNOSE event
    0078  120 Character    2 ACISUBC        Diagnose subcode
    007A  122 Character    4 ACITCYL        Cyl/blk number. This field is
                                            used for subcode 03 of diagnose
                                            'E4'
              00000001       ACIDE4SZ       (*-ACISUBC+7)/8 ACIDATA size for
                                            diag X'E4'
    0078  120 Character    8 ACIORIG        Spool file origin ID
    0080  128 Signed       4 ACIFSTPG       DASD address of first page
    0084  132 Signed       2 ACISPLID       Spoolid
    0086  134 Bitstring    6 ACITOD         Old TOD stamp of first page
    008C  140 Bitstring    8 ACICMDIS       Command issuer
              00000004       ACISPLSZ       (*-ACIORIG+7)/8 ACIDATA size for
                                            SPTAPE or SPXTAPE event
    0086  134 Signed       2 ACISPIDN       New spoolid
    0078  120 Signed       2 ACIPATH        Pathid for IUCV/APPCVM event
    007A  122 Bitstring    6 *              Reserved for future IBM use
              00000001       ACIUCVSZ       (*-ACIPATH+7)/8 ACIDATA size for
                                            IUCV event
              00000001       ACISEVSZ       (*-ACIPATH+7)/8 ACIDATA size for
                                            APPCVM SEVER
    0080  128 Character    8 ACISERVR       Server userid
    0088  136 Character    8 ACIQUAL        LU name qualifier (Gate_LU)
    0090  144 Character    8 ACITLUN        Target LU name (Gate_known_LU)
              00000004       ACICONSZ       (*-ACIPATH+7)/8 ACIDATA size for
                                            APPCVM CONNECT
    0078  120 Bitstring   24 ACIVMCF        Command name for VMCF event
              00000003       ACIVMCSZ       (*-ACIVMCF+7)/8 ACIDATA size for
                                            VMCF event
    0078  120 Character    4 ACIDETAD       VDEV returner's device (the
                                            device was GIVEn to this user)
    007C  124 Character    4 ACIRECAD       VDEV of the Giver's device. (this
                                            user is now receiving the device
                                            back.)
              00000001       ACIGIVSZ       (*-ACIDETAD+7)/8 ACIDATA size for
                                            GIVE event
    0078  120 Signed       4 ACISCYL        Starting cyl/blk on the DASD
    007C  124 Signed       4 ACIECYL        Ending cylinder/block
    0080  128 Character    4 ACIRDEV        Real device number
    0084  132 Character    6 ACIVOLSR       Volume serial
              00000003       ACICCWSZ       (*-ACISCYL+7)/8 ACIDATA size for
                                            Maintccw event
    0078  120 Bitstring   24 ACIOIDS (0)    All old (current) IDs
    0078  120 Signed       4 ACIORUID       Old (current) real UID
    007C  124 Signed       4 ACIOEUID       Old (current) effective UID
    0080  128 Signed       4 ACIOSUID       Old (current) saved set-UID
    0084  132 Signed       4 ACIORGID       Old (current) real GID
    0088  136 Signed       4 ACIOEGID       Old (current) effective GID
    008C  140 Signed       4 ACIOSGID       Old (current) saved set-GID
    0090  144 Signed       4 ACINUID        New UID (equal to ACIORUID if UID
                                            not being changed)
    0094  148 Signed       4 ACINGID        New GID (equal to ACIORGID if GID
                                            not being changed) if ACIPXUSN is
                                            off. Otherwise, not used
    0098  152 Character    8 ACINGNAM       The group name that identifies
                                            the new GID if ACIPXUSN is on.
                                            Otherwise, not used. May be in
                                            mixed case
    00A0  160 Signed       4 ACIOSGCT       Count of old (current) SGIDs
                                            (Valid only for code ACISETSG)
    00A4  164 Address      4 ACIOSGLS       Address of old (current) SGID
                                            list (Valid only for code
                                            ACISETSG)
    00A8  168 Signed       4 ACINSGCT       Count of SGIDs in new list (Valid
                                            only for code ACISETSG)
    00AC  172 Address      4 ACINSGLS       Address of new SGID list (Valid
                                            only for code ACISETSG)
              000000B0       ACISIDSB       (*-ACIPARMS) ACIPARMS size, in
                                            bytes, for POSIX set IDs
                                            functions.
              00000016       ACISIDSD       (ACISIDSB+7)/8 ACIPARMS size, in
                                            DWs, for POSIX set IDs functions.
    0078  120 Bitstring   24 ACIGPXID (0)   All POSIX IDs (UIDs and GIDs)
    0078  120 Signed       4 ACIGRUID       Real UID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    007C  124 Signed       4 ACIGEUID       Effective UID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0080  128 Signed       4 ACIGSUID       Saved set-UID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0084  132 Signed       4 ACIGRGID       Real GID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0088  136 Signed       4 ACIGEGID       Effective GID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    008C  140 Signed       4 ACIGSGID       Saved set-GID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0090  144 Signed       4 ACIGMCNT       Count of members of the group
    0094  148 Signed       4 ACIGGID        GID of the POSIX group for which
                                            information is to be returned if
                                            ACIPXUSN is off.
    0098  152 Character    8 ACIGGNAM       The group name of the POSIX group
                                            for which information is to be
                                            returned if ACIPXUSN is on. May
                                            be in mixed case.
    00A0  160 Dbl-Word     8 * (2)          Reserved for IBM use
              000000B0       ACIGB1SB       (*-ACIPARMS) ACIPARMS size
                                            without buffer list, in bytes.
              00000016       ACIGB1SD       (ACIGB1SB+7)/8 ACIPARMS size
                                            without buffer list, in DWs.
    00B0  176 Dbl-Word     8 ACIGBUFL (0)   Group database buffer list
    00B0  176 Address      4 ACIGRPMA       Addr of the buffer to contain the
                                            member names of the input group
    00B4  180 Signed       4 ACIGRPML       Length of the buffer pointed to
                                            by ACIGRPMA
              000000B8       ACIGDBSB       (*-ACIPARMS) ACIPARMS size, in
                                            bytes, for POSIX group database
                                            query function with 1 buffer list
                                            entry
              00000017       ACIGDBSD       (ACIGDBSB+7)/8 ACIPARMS size, in
                                            DWs, for POSIX group database
                                            query function with 1 buffer list
                                            entry
    0078  120 Bitstring   24 ACIUPXID (0)   All POSIX IDs (UIDs and GIDs)
    0078  120 Signed       4 ACIURUID       Real UID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    007C  124 Signed       4 ACIUEUID       Effective UID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0080  128 Signed       4 ACIUSUID       Saved set-UID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0084  132 Signed       4 ACIURGID       Real GID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0088  136 Signed       4 ACIUEGID       Effective GID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    008C  140 Signed       4 ACIUSGID       Saved set-GID of the process
                                            requesting the data if ACIPXIDS
                                            is on. Otherwise, unpredictable
                                            and should not be used.
    0090  144 Signed       4 ACIUUID        UID for which information is to
                                            be returned if ACIPXUSN is off.
    0094  148 Character    8 ACIUUNAM       User name for which information
                                            is to be returned if ACIPXUSN is
                                            on. May be in mixed case.
    009C  156 Signed       4 ACIUGID        GID of the user's primary POSIX
                                            group. (output only)
    00A0  160 Character    8 ACIUGNAM       Group name of the user's primary
                                            POSIX group. (output only)
    00A8  168 Dbl-Word     8 * (2)          Reserved for IBM use
              000000B8       ACIUB1SB       (*-ACIPARMS) ACIPARMS size
                                            without buffer list, in bytes.
              00000017       ACIUB1SD       (ACIUB1SB+7)/8 ACIPARMS size
                                            without buffer list, in DWs.
    00B8  184 Dbl-Word     8 ACIUBUFL (0)   User database buffer list
    00B8  184 Address      4 ACIUIWDA       Addr of the buffer to contain
                                            user's initial working directory
    00BC  188 Signed       4 ACIUIWDL       Length of the buffer pointed to
                                            by ACIUIWDA
    00C0  192 Address      4 ACIUIUPA       Addr of the buffer to contain
                                            user's initial user program
    00C4  196 Signed       4 ACIUIUPL       Length of the buffer pointed to
                                            by ACIUIUPA
    00C8  200 Address      4 ACIUFSRA       Addr of the buffer to contain
                                            user's file system root
    00CC  204 Signed       4 ACIUFSRL       Length of the buffer pointed to
                                            by ACIUFSRA
    00D0  208 Address      4 ACIUSGIA       Addr of the buffer to contain the
                                            user's supplementary GID list
    00D4  212 Signed       4 ACIUSGIL       Length of the buffer pointed to
                                            by ACIUSGIA
              000000D8       ACIUDBSB       (*-ACIPARMS) ACIPARMS size, in
                                            bytes, for POSIX user database
                                            query function
              0000001B       ACIUDBSD       (ACIUDBSB+7)/8 ACIPARMS size, in
                                            DWs, for POSIX user database
                                            query fcn
    00BC  188 Bitstring    1 ACIUIWDI       Indicate who provided POSIX IWDIR
              1... ....      ACIUIWDE       X'80' POSIX IWDIR provided by ESM
    00C4  196 Bitstring    1 ACIUIUPI       Indicate who provided POSIX IUPGM
              1... ....      ACIUIUPE       X'80' POSIX IUPGM provided by ESM
    00CC  204 Bitstring    1 ACIUFSRI       Indicate who provided POSIX
                                            FSROOT
              1... ....      ACIUFSRE       X'80' POSIX FSROOT provided by
                                            ESM
    00D4  212 Bitstring    1 ACIUSGII       Indicate who provided POSIX SGIDs
              1... ....      ACIUSGIE       X'80' POSIX SGIDs provided by ESM
                 The following constants are used to check/set the
                 high order bit in the length field of a buffer
                 list entry.
              .... ....      ACIPXYES       X'80000000' Mask to isolate the
                                            high order bit (bit 0) of a
                                            ACIxxxxL field
              00FFFFFF       ACIPXNO        X'7FFFFFFF' Mask to turn off the
                                            high order bit (bit 0) of a
                                            ACIxxxxL field
             Security Constants For CP Use Only
              .... ..1.      ACIXAQ         X'02' Query command
              .... ..11      ACIXAQV        X'03' Query virtual operand
              .... .1..      ACIXAQVM       X'04' Query virtual miscellaneous
              .... .1.1      ACIXAS         X'05' SET command

#### ACIPARMS Storage Layout

    *** ACIPARMS - ACCESS CONTROL INTERFACE PARAMETERS
    *
    *     +------+------+-------------+------+------+------+------+
    *   0 |ACIFCN|:CODE |   ACILEN    |:BMAPA|:BMAPP|ACIENV|:BMAPM|
    *     +------+------+-------------+------+------+------+------+
    *   8 |                       ACIRGRP                         |
    *     +-------------------------------------------------------+
    *  10 |                       ACIRUSR                         |
    *     +-------------------------------------------------------+
    *  18 |                       ACITGRP                         |
    *     +-------------------------------------------------------+
    *  20 |                       ACITUSR                         |
    *     +-------------+---------------------------+------+------+
    *  28 |  ACIMODE    |         ACIADDR           |:LGOPT|:VERS |
    *     +-------------+---------------------------+------+------+
    *  30 |                       ACINODE                         |
    *     +-------------------------------------------------------+
    *  38 |                       ACILABL                         |
    *     +---------------------------+------+------+------+------+
    *  40 |         ACITADDR          |:FLAG |:CMDTP|:FLAG2|:RSNCD|
    *     +---------------------------+------+------+------+------+
    *  48 |                       ACIEVENT                        |
    *     |                           +---------------------------+
    *  50 |                           |         ACIVMDBK          |
    *     +---------------------------+---------------------------+
    *  58 |                       ACIBYVAL                        |
    *     +-------------------------------------------------------+
    *  60 |                       ACISLAB                         |
    *     +-------------------------------------------------------+
    *  68 |                       ACITLAB                         |
    *     +-------------------------------------------------------+
    *  70 |                       ACIALAB                         |
    *     +-------------------------------------------------------+
    *
    *** ACIPARMS - ACCESS CONTROL INTERFACE PARAMETERS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  78 |                                                       |
    *     =                       ACIPASS                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  A0 |                       ACINWQFR                        |
    *     +------+--------------------+---------------------------+
    *  A8 |:LOPTS|////////////////////|///////////////////////////|
    *     +------+--------------------+---------------------------+
    *  B0 |                       ACITRMI2                        |
    *     +---------------------------+---------------------------+
    *  B8 |         ACILUIDA          |         ACILUIDL          |
    *     +---------------------------+---------------------------+
    *  C0 |         ACILGIDA          |         ACILGIDL          |
    *     +---------------------------+---------------------------+
    *  C8 |         ACILSGIA          |         ACILSGIL          |
    *     +---------------------------+---------------------------+
    *  D0
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACILUIDL in ACIPARMS
    *
    *                                 +------+
    *  B8 ...                      BC |:LUIDI| BD
    *                                 +------+
    *
    *** Overlay for ACILUIDL in ACIPARMS

    *** Overlay for ACILGIDL in ACIPARMS
    *
    *                                 +------+
    *  C0 ...                      C4 |:LGIDI| C5
    *                                 +------+
    *
    *** Overlay for ACILGIDL in ACIPARMS

    *** Overlay for ACILSGIL in ACIPARMS
    *
    *                                 +------+
    *  C8 ...                      CC |:LSGII| CD
    *                                 +------+
    *
    *** Overlay for ACILSGIL in ACIPARMS

    *** Overlay for ACIPASS in ACIPARMS
    *
    *     +------+------------------------------------------------+
    *  78 |:PWLEN|                                                |
    *     +------+                                                |
    *  80 |                                                       |
    *     =                       ACIPSWD                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  A0
    *
    *** Overlay for ACIPASS in ACIPARMS

    *** Overlay for ACINODE in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  30 |                       ACITRMID                        |
    *     +-------------------------------------------------------+
    *  38 |                       ACIDSPID                        |
    *     +-------------------------------------------------------+
    *  40
    *
    *** Overlay for ACINODE in ACIPARMS

    *** Overlay for ACITGRP in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  18 |                       ACIWUSR                         |
    *     +-------------------------------------------------------+
    *  20 |                       ACIAUSR                         |
    *     +-------------------------------------------------------+
    *  28
    *
    *** Overlay for ACITGRP in ACIPARMS

    *** Overlay for ACINODE in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  30 |                       ACINSPLD                        |
    *     +-------------------------------------------------------+
    *  38
    *
    *** Overlay for ACINODE in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  78 |                       ACISEGNM                        |
    *     +-------------------------------------------------------+
    *  80
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +---------------------------+---------------------------+
    *  78 |          ACIRX            |          ACIRX1           |
    *     +---------------------------+---------------------------+
    *  80 |          ACIRY            |          ACIRY1           |
    *     +---------------------------+---------------------------+
    *  88
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +-------------+---------------------------+
    *  78 |  ACISUBC    |         ACITCYL           | 7E
    *     +-------------+---------------------------+
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  78 |                       ACIORIG                         |
    *     +---------------------------+-------------+-------------+
    *  80 |         ACIFSTPG          |  ACISPLID   |   (086)-    |
    *     +---------------------------+-------------+-------------+
    *  88 |         -ACITOD           |        ACICMDIS-          |
    *     +---------------------------+---------------------------+
    *  90 |          -(08C)           | 94
    *     +---------------------------+
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACITOD in ACIPARMS
    *
    *                                               +-------------+
    *  80 ...                                    86 |  ACISPIDN   |
    *                                               +-------------+
    *  88
    *
    *** Overlay for ACITOD in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +-------------+-----------------------------------------+
    *  78 |  ACIPATH    |/////////////////////////////////////////|
    *     +-------------+-----------------------------------------+
    *  80 |                       ACISERVR                        |
    *     +-------------------------------------------------------+
    *  88 |                       ACIQUAL                         |
    *     +-------------------------------------------------------+
    *  90 |                       ACITLUN                         |
    *     +-------------------------------------------------------+
    *  98
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +-------------------------------------------------------+
    *  78 |                                                       |
    *     =                       ACIVMCF                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  90
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +---------------------------+---------------------------+
    *  78 |         ACIDETAD          |         ACIRECAD          |
    *     +---------------------------+---------------------------+
    *  80
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +---------------------------+---------------------------+
    *  78 |         ACISCYL           |         ACIECYL           |
    *     +---------------------------+---------------------------+
    *  80 |         ACIRDEV           |        ACIVOLSR-          |
    *     +-------------+-------------+---------------------------+
    *  88 |   -(084)    | 8A
    *     +-------------+
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +---------------------------+---------------------------+
    *  78 |         ACIORUID          |         ACIOEUID          |
    *     +---------------------------+---------------------------+
    *  80 |         ACIOSUID          |         ACIORGID          |
    *     +---------------------------+---------------------------+
    *  88 |         ACIOEGID          |         ACIOSGID          |
    *     +---------------------------+---------------------------+
    *  90 |         ACINUID           |         ACINGID           |
    *     +---------------------------+---------------------------+
    *  98 |                       ACINGNAM                        |
    *     +---------------------------+---------------------------+
    *  A0 |         ACIOSGCT          |         ACIOSGLS          |
    *     +---------------------------+---------------------------+
    *  A8 |         ACINSGCT          |         ACINSGLS          |
    *     +---------------------------+---------------------------+
    *  B0
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +---------------------------+---------------------------+
    *  78 |         ACIGRUID          |         ACIGEUID          |
    *     +---------------------------+---------------------------+
    *  80 |         ACIGSUID          |         ACIGRGID          |
    *     +---------------------------+---------------------------+
    *  88 |         ACIGEGID          |         ACIGSGID          |
    *     +---------------------------+---------------------------+
    *  90 |         ACIGMCNT          |         ACIGGID           |
    *     +---------------------------+---------------------------+
    *  98 |                       ACIGGNAM                        |
    *     +-------------------------------------------------------+
    *  A0 |///////////////////////////////////////////////////////|
    *     |///////////////////////////////////////////////////////|
    *     +---------------------------+---------------------------+
    *  B0 |         ACIGRPMA          |         ACIGRPML          |
    *     +---------------------------+---------------------------+
    *  B8
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIDATA in ACIPARMS
    *
    *     +---------------------------+---------------------------+
    *  78 |         ACIURUID          |         ACIUEUID          |
    *     +---------------------------+---------------------------+
    *  80 |         ACIUSUID          |         ACIURGID          |
    *     +---------------------------+---------------------------+
    *  88 |         ACIUEGID          |         ACIUSGID          |
    *     +---------------------------+---------------------------+
    *  90 |         ACIUUID           |        ACIUUNAM-          |
    *     +---------------------------+---------------------------+
    *  98 |          -(094)           |         ACIUGID           |
    *     +---------------------------+---------------------------+
    *  A0 |                       ACIUGNAM                        |
    *     +-------------------------------------------------------+
    *  A8 |///////////////////////////////////////////////////////|
    *     |///////////////////////////////////////////////////////|
    *     +---------------------------+---------------------------+
    *  B8 |         ACIUIWDA          |         ACIUIWDL          |
    *     +---------------------------+---------------------------+
    *  C0 |         ACIUIUPA          |         ACIUIUPL          |
    *     +---------------------------+---------------------------+
    *  C8 |         ACIUFSRA          |         ACIUFSRL          |
    *     +---------------------------+---------------------------+
    *  D0 |         ACIUSGIA          |         ACIUSGIL          |
    *     +---------------------------+---------------------------+
    *  D8
    *
    *** Overlay for ACIDATA in ACIPARMS

    *** Overlay for ACIUIWDL in ACIPARMS
    *
    *                                 +------+
    *  B8 ...                      BC |:UIWDI| BD
    *                                 +------+
    *
    *** Overlay for ACIUIWDL in ACIPARMS

    *** Overlay for ACIUIUPL in ACIPARMS
    *
    *                                 +------+
    *  C0 ...                      C4 |:UIUPI| C5
    *                                 +------+
    *
    *** Overlay for ACIUIUPL in ACIPARMS

    *** Overlay for ACIUFSRL in ACIPARMS
    *
    *                                 +------+
    *  C8 ...                      CC |:UFSRI| CD
    *                                 +------+
    *
    *** Overlay for ACIUFSRL in ACIPARMS

    *** Overlay for ACIUSGIL in ACIPARMS
    *
    *                                 +------+
    *  D0 ...                      D4 |:USGII| D5
    *                                 +------+
    *
    *** Overlay for ACIUSGIL in ACIPARMS

#### ACIPARMS Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    ACIADDR        002A
    ACIALAB        0070
    ACIALTU        0000 00000018
    ACIANY         0044 20
    ACIANYAU       0004 80
    ACIANYMC       0007 80
    ACIANYPR       0005 80
    ACIAPPW        0006 00000012
    ACIAUSR        0020
    ACIAUTH        0001 00000000
    ACIAUTO        0006 00000030
    ACIBAD         0044 40
    ACIBFSM        0001 00000028
    ACIBMAPA       0004
    ACIBMAPM       0007
    ACIBMAPP       0005
    ACIBYVAL       0058
    ACICCWSZ       0084 00000003
    ACICMDIS       008C
    ACICMDTP       0045
    ACICNCT        0006 00000013
    ACICODE        0001
    ACICONSZ       0090 00000004
    ACIDATA        0078
    ACIDCSEG       0000 00000024
    ACIDEFR        0001 00000004
    ACIDEL         0000 0000000C
    ACIDETAD       0078
    ACIDE4SZ       007A 00000001
    ACIDGNAU       0004 80
    ACIDGNMC       0007 80
    ACIDGNPR       0005 80
    ACIDIAE4       0006 00000011
    ACIDISK        0006 00000032
    ACIDISZ        0084 00000002
    ACIDSPID       0038
    ACIECYL        007C
    ACIENV         0006
    ACIEVENT       0048
    ACIEXEC        0006 00000046
    ACIFAIL        0001 0000000C
    ACIFCN         0000
    ACIFESM1       0000 00000028
    ACIFESM2       0000 0000002C
    ACIFLAG        0044
    ACIFLAG2       0046
    ACIFSTPG       0080
    ACIGBUFL       00B0
    ACIGB1SB       00A0 000000B0
    ACIGB1SD       00A0 00000016
    ACIGDBSB       00B4 000000B8
    ACIGDBSD       00B4 00000017
    ACIGEGID       0088
    ACIGEUID       007C
    ACIGGID        0094
    ACIGGNAM       0098
    ACIGIVSZ       007C 00000001
    ACIGMCNT       0090
    ACIGOOD        0044 80
    ACIGPXID       0078
    ACIGRGID       0084
    ACIGRPMA       00B0
    ACIGRPML       00B4
    ACIGRUID       0078
    ACIGSGID       008C
    ACIGSUID       0080
    ACIGVRTN       0006 00000033
    ACILABL        0038
    ACILBUFL       00B8
    ACILEN         0002
    ACILGIDA       00C0
    ACILGIDE       00C4 80
    ACILGIDI       00C4
    ACILGIDL       00C4
    ACILGNSB       00CC 000000D0
    ACILGNSD       00CC 0000001A
    ACILGNSZ       00CC 0000000B
    ACILGOPT       002E
    ACILG1SB       00A0 000000A8
    ACILINK        0000 00000000
    ACILOCAL       002E 04
    ACILOG         0000 00000010
    ACILOGCL       002E 08
    ACILOGIP       002E 02
    ACILOPTS       00A8
    ACILSGIA       00C8
    ACILSGIE       00CC 80
    ACILSGII       00CC
    ACILSGIL       00CC
    ACILSIDA       00A8 40
    ACILSIDE       00A8 80
    ACILUIDA       00B8
    ACILUIDE       00BC 80
    ACILUIDI       00BC
    ACILUIDL       00BC
    ACIMODE        0028
    ACIMSGUS       0046 01
    ACINFND        0001 00000024
    ACINGID        0094
    ACINGMEM       0001 00000030
    ACINGNAM       0098
    ACINOAC        0001 00000008
    ACINODE        0030
    ACINOPAS       002E 80
    ACINPASS       0046 40
    ACINPMT        002E 20
    ACINQLUN       0046 20
    ACINSGCT       00A8
    ACINSGLS       00AC
    ACINSPLD       0030
    ACINSSEG       0000 00000020
    ACINUID        0090
    ACINVAL        0001 0000002C
    ACINWGRP       0006 00000047
    ACINWQFR       00A0
    ACIOEGID       0088
    ACIOEUID       007C
    ACIOIDS        0078
    ACIORGID       0084
    ACIORIG        0078
    ACIORUID       0078
    ACIOSGCT       00A0
    ACIOSGID       008C
    ACIOSGLS       00A4
    ACIOSUID       0080
    ACIPASS        0078
    ACIPATH        0078
    ACIPQGDB       0006 00000041
    ACIPQUDB       0006 00000040
    ACIPSWD        0079
    ACIPWLEN       0078
    ACIPWSZ        0078 00000005
    ACIPXALL       0046 10
    ACIPXIDS       0046 02
    ACIPXNO        00D4 00FFFFFF
    ACIPXQGM       0046 01
    ACIPXSYS       0046 04
    ACIPXUSN       0046 08
    ACIPXYES       00D4 00
    ACIQGDB        0000 00000034
    ACIQUAL        0088
    ACIQUDB        0000 00000038
    ACIRDEV        0080
    ACIRECAD       007C
    ACIRECON       002E 40
    ACIRGRP        0008
    ACIRMSRC       0046 80
    ACIRO          0044 04
    ACIRSNCD       0047
    ACIRUSR        0010
    ACIRW          0044 01
    ACIRX          0078
    ACIRX1         007C
    ACIRY          0080
    ACIRY1         0084
    ACISCYL        0078
    ACISD          0047 20
    ACISEG         0006 00000010
    ACISEGNM       0078
    ACISERVR       0080
    ACISETEG       0006 00000045
    ACISETEU       0006 00000043
    ACISETGI       0006 00000044
    ACISETID       0000 00000030
    ACISETSG       0006 00000048
    ACISETUI       0006 00000042
    ACISEVER       0006 00000014
    ACISEVSZ       007A 00000001
    ACISIDSB       00AC 000000B0
    ACISIDSD       00AC 00000016
    ACISIZE        0078 0000000F
    ACISIZEB       0078 00000078
    ACISLAB        0060
    ACISNA         002E 02
    ACISPF         0006 00000015
    ACISPIDN       0086
    ACISPLID       0084
    ACISPLSZ       008C 00000004
    ACISPOOL       0000 00000004
    ACISPTAP       0006 00000038
    ACISUBC        0078
    ACISYSAU       0004 80
    ACISYSMC       0007 80
    ACISYSPR       0005 80
    ACITADDR       0040
    ACITAG         0000 00000008
    ACITAGN        0006 00000031
    ACITCYL        007A
    ACITERM        0001 00000010
    ACITGRP        0018
    ACITLAB        0068
    ACITLUN        0090
    ACITOD         0086
    ACITRANS       0006 00000037
    ACITRMID       0030
    ACITRMI2       00B0
    ACITTY         002E 01
    ACITUSR        0020
    ACIUBUFL       00B8
    ACIUB1SB       00A8 000000B8
    ACIUB1SD       00A8 00000017
    ACIUCVSZ       007A 00000001
    ACIUDBSB       00D4 000000D8
    ACIUDBSD       00D4 0000001B
    ACIUEGID       0088
    ACIUEUID       007C
    ACIUFSRA       00C8
    ACIUFSRE       00CC 80
    ACIUFSRI       00CC
    ACIUFSRL       00CC
    ACIUGID        009C
    ACIUGNAM       00A0
    ACIUIUPA       00C0
    ACIUIUPE       00C4 80
    ACIUIUPI       00C4
    ACIUIUPL       00C4
    ACIUIWDA       00B8
    ACIUIWDE       00BC 80
    ACIUIWDI       00BC
    ACIUIWDL       00BC
    ACIUNAV        0001 00000020
    ACIUPXID       0078
    ACIURGID       0084
    ACIURUID       0078
    ACIUSGIA       00D0
    ACIUSGID       008C
    ACIUSGIE       00D4 80
    ACIUSGII       00D4
    ACIUSGIL       00D4
    ACIUSUID       0080
    ACIUUID        0090
    ACIUUNAM       0094
    ACIVAL         002E 10
    ACIVERS        002F
    ACIVERS1       002F 80
    ACIVMCF        0078
    ACIVMCMD       0000 0000001C
    ACIVMCSZ       0078 00000003
    ACIVMDBK       0054
    ACIVOLSR       0084
    ACIWO          0044 02
    ACIWUSR        0018
    ACIXAC         0006 00000001
    ACIXACCW       0006 0000000F
    ACIXAD         0006 00000006
    ACIXAQ         00D4 02
    ACIXAQV        00D4 03
    ACIXAQVM       00D4 04
    ACIXAS         00D4 05
    ACIXAT         0006 0000000B
    ACIXAV         0006 0000000C

This information is based on z/VM V4R4.0. Last updated on 6 Aug 2003 at 08:35:40 EDT.
Copyright IBM Corporation, 1990, 2003