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

#### ASIBK

Prolog

Control Block Contents
ASIBK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### ASIBK Prolog

     NAME       : HCPASIBK
     DESCRIPTION: Address Space Information Block
     DSECT      : ASIBK
     FUNCTION   : Contains information about an address space in a
                  virtual machine dump
     LOCATED BY : DFMASIBK
     CREATED BY : Not applicable
     DELETED BY : Not applicable
     COMMENTS   : This control block is used to map 4K
                  records in a virtual machine dump file

#### ASIBK Control Block Content

#### ASIBK DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      ASIBK          Address Space Information Block
    0000    0 Character    8 ASIBKID        Identification string
    0008    8 Character    8 ASIASIT        Address space identification
                                            token in eASIT format
    0010   16 Character   33 ASISPCID       Spaceid in string form
    0031   49 Character    3 *              Reserved for IBM use
    0034   52 Signed       4 ASISYSRV       Byte past Address space Hi Byte
                                            but < 2 Gig.
    0038   56 Signed       4 ASIPREC        Relative record number of first
                                            DCSS bitmap
    003C   60 Signed       4 ASINODSS       Byte past Highest Defined
                                            (Configured) byte < 2Gig
    0040   64 Character    8 ASIFORMT       Format of the address space,
                                            specified on format operand of
                                            VMDUMP or DIAG X'94', and is
                                            defined for CP dumps as CP, and
                                            is left blank for S/A dumps.
    0048   72 Character  100 ASIDMPID       Dump identifier for this address
                                            space, as specified on VMDUMP or
                                            DIAG X'94', or is standard text
                                            for CP & S/A dumps)
    00AC  172 Signed       4 ASIBITR        Record numbers of the first bit
                                            map page for each set of dumped
                                            storage for this address space
              000000B0       ASIMAIN        *-ASIBK Length of ASIBK
              000003D4       ASIMAXPT       ((4096-ASIMAIN)/4) Maximum number
                                            of sets of dumped storage that
                                            each ASIBK can address.

#### ASIBK Storage Layout

    *** ASIBK - Address Space Information Block
    *
    *     +-------------------------------------------------------+
    *   0 |                       ASIBKID                         |
    *     +-------------------------------------------------------+
    *   8 |                       ASIASIT                         |
    *     +-------------------------------------------------------+
    *  10 |                                                       |
    *     =                       ASISPCID                        =
    *     |      +--------------------+---------------------------+
    *  30 |      |////////////////////|         ASISYSRV          |
    *     +------+--------------------+---------------------------+
    *  38 |         ASIPREC           |         ASINODSS          |
    *     +---------------------------+---------------------------+
    *  40 |                       ASIFORMT                        |
    *     +-------------------------------------------------------+
    *  48 |                                                       |
    *     =                       ASIDMPID                        =
    *     |                           +---------------------------+
    *  A8 |                           |         ASIBITR           |
    *     +---------------------------+---------------------------+
    *  B0
    *
    *** ASIBK - Address Space Information Block

#### ASIBK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    ASIASIT        0008
    ASIBITR        00AC
    ASIBKID        0000
    ASIDMPID       0048
    ASIFORMT       0040
    ASIMAIN        00AC 000000B0
    ASIMAXPT       00AC 000003D4
    ASINODSS       003C
    ASIPREC        0038
    ASISPCID       0010
    ASISYSRV       0034

This information is based on z/VM V4R3.0. Last updated on 30 Apr 2002 at 15:38:38 EDT.
Copyright IBM Corporation, 1990, 2002