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