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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
FASBK
Control Block Contents
FASBK DSECT
Cross Reference (Contains links to field and bit definitions)
FASBK Prolog
NAME : HCPFASBK
DESCRIPTION: VMDUMP File Address Space Information
DSECT : FASBK
FUNCTION : Contains information about the VMDUMP file
that is unique for each address space
in the dump
LOCATED BY : VDUFASBK
FASNEXT
CREATED BY : HCPVMBLK
DELETED BY : HCPVCCLN
REFERENCES : None
COMMENTS : obtained from free storage
FASBK Control Block Content
FASBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure FASBK VMDUMP File Address Space
Information
0000 0 Character 8 FASIASIT Address space identification
token (iASIT)
0008 8 Character 8 FASEASIT eASIT
0010 16 Character 100 FASDUMID Dump identifier for this address
space
0074 116 Character 8 FASFORMT Format of this address space
007C 124 Bitstring 1 FASFLAGS Parsing flags
1... .... FASFORM X'80' FASFORM 'Format' was
specified
.1.. .... FASDCSS X'40' FASDCSS 'DCSS' was
specified
..1. .... FASDMPID X'20' FASDMPID Dumpid was
specified
...1 .... FASDCSSF X'10' FASDCSSF DCSS's found to
dump
.... 1... FAS1451 X'08' FAS1451 This address space
was already found to be
inaccessible. Msg 1451I was
already issued.
007D 125 Bitstring 1 FASFLAG2 2nd General flag byte
1... .... FASNOMRG X'80' FASNOMRG Don't merge the
local and global bitmaps
007E 126 Character 2 * Reserved for IBM use
0080 128 Address 4 FASNEXT Address of next FASBK
0084 132 Address 4 FASDCSSP Address of DSLs for DCSS list
0088 136 Address 4 FASDEFP Pointer to DSLBKs that map
defined (configured) storage.
008C 140 Address 4 FASSTOR Pointer to DSLBKs that map all of
storage
0090 144 Dbl-Word 8 FASDCSHG (0) DWORD FASDCSHI
0090 144 Signed 4 FASDCSHH High word - always 0
0094 148 Signed 4 FASDCSHI Byte address past highest DCSS
address. (DCSS can't be above 2G)
0098 152 Dbl-Word 8 FASB2GDG (0) Byte address past highest defined
(configured) storage address that
is < or = the Maximum Dumpable
Address based on guest's
architecture mode.
0098 152 Signed 4 FASB2GDH High word
009C 156 Signed 4 FASB2GDL Low word
00A0 160 Dbl-Word 8 FASB2GHG (0) Byte address past highest address
(configured or DCSS) that is <
or = the Maximum Dumpable Address
based on guest's architecture
mode.
00A0 160 Signed 4 FASB2GHH High word
00A4 164 Signed 4 FASB2GHL Low word
00A8 168 Dbl-Word 8 FASHI True Highest byte in address
space. It may be above the
Maximum Dumpable Address based on
guest's architecture mode.
00B0 176 Address 4 FASGPAGM Pointer to global bit map
00B4 180 Address 4 FASLPAGM Pointer to local bit map
00B8 184 Signed 4 FASASIBK Record number of ASIBK for this
address space in SDF
00BC 188 Address 4 FASASIWK Pointer to working copy of ASIBK
00C0 192 Signed 2 FASCOUNT Number of sets of dumped storage
for this address space in dump
00C2 194 Signed 2 * Reserved for IBM use
00C4 196 Signed 4 * (4) Reserved for IBM use
00D4 212 Bitstring 1 FAS$END (0) Defines end of control blk
FASBK Storage Layout
*** FASBK - VMDUMP File Address Space Information
*
* +-------------------------------------------------------+
* 0 | FASIASIT |
* +-------------------------------------------------------+
* 8 | FASEASIT |
* +-------------------------------------------------------+
* 10 | |
* = FASDUMID =
* | +---------------------------+
* | | FASFORMT- |
* +---------------------------+------+------+-------------+
* 78 | -(074) |:FLAGS|:FLAG2|/////////////|
* +---------------------------+------+------+-------------+
* 80 | FASNEXT | FASDCSSP |
* +---------------------------+---------------------------+
* 88 | FASDEFP | FASSTOR |
* +---------------------------+---------------------------+
* 90 | FASDCSHH | FASDCSHI |
* +---------------------------+---------------------------+
* 98 | FASB2GDH | FASB2GDL |
* +---------------------------+---------------------------+
* A0 | FASB2GHH | FASB2GHL |
* +---------------------------+---------------------------+
* A8 | FASHI |
* +---------------------------+---------------------------+
* B0 | FASGPAGM | FASLPAGM |
* +---------------------------+---------------------------+
* B8 | FASASIBK | FASASIWK |
* +-------------+-------------+---------------------------+
* C0 | FASCOUNT |/////////////|///////////////////////////|
* +-------------+-------------+///////////////////////////|
* |///////////////////////////////////////////////////////|
* |///////////////////////////+---------------------------+
* |///////////////////////////|
* +---------------------------+
*
*** FASBK - VMDUMP File Address Space Information
FASBK Cross Reference
Symbol Dspl Value -------------- ---- ----- FAS$END 00D4 FASASIBK 00B8 FASASIWK 00BC FASB2GDG 0098 FASB2GDH 0098 FASB2GDL 009C FASB2GHG 00A0 FASB2GHH 00A0 FASB2GHL 00A4 FASCOUNT 00C0 FASDCSHG 0090 FASDCSHH 0090 FASDCSHI 0094 FASDCSS 007C 40 FASDCSSF 007C 10 FASDCSSP 0084 FASDEFP 0088 FASDMPID 007C 20 FASDUMID 0010 FASEASIT 0008 FASFLAGS 007C FASFLAG2 007D FASFORM 007C 80 FASFORMT 0074 FASGPAGM 00B0 FASHI 00A8 FASIASIT 0000 FASLPAGM 00B4 FASNEXT 0080 FASNOMRG 007D 80 FASSTOR 008C FAS1451 007C 08
Copyright IBM Corporation, 1990, 2007