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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
FMLRC
Cross Reference (Contains links to field and bit definitions)
FMLRC Prolog
NAME : HCPFMLRC
DESCRIPTION: VOLUME LABEL RECORD
DSECT : FMLRC
FUNCTION : MAPS THE VOLUME LABEL RECORD THAT IS READ
FROM/WRITTEN TO CYLINDER 0, TRACK 0, RECORD 3.
LOCATED BY : FMNFAWLR - FIELD IN HCPFMNUC
CREATED BY : HCPADF (INDIRECTLY) BY USING THE FIRST LEVEL
ASA TO IMBED HCPFAW INTO THE GUEST VIRTUAL
STORAGE.
HCPCCF (CMS MODULE). HCPFAW IS INCLUDED IN THE
CPFMTXA MODULE.
DELETED BY : VIRTUAL SYSTEM CLEAR.
FMLRC Control Block Content
FMLRC DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure FMLRC VOLUME LABEL RECORD VOLUME LABEL RECORD - RECORD 3 ON CYLINDER 0, TRACK 0 0000 0 Character 4 FMLOSLAB OS LABEL 0004 4 Character 6 FMLCPLAB CP LABEL (ALSO KNOWN AS THE VOLID OR VOLUME IDENTIFIER) 000A 10 Bitstring 1 * CHARACTER ZERO 000B 11 Bitstring 4 FMLVTCB VTOC PTR IN R3 (CCHH) 000F 15 Bitstring 1 FMLVTCR ... (R) 0010 16 Bitstring 5 * ZEROS 0015 21 Bitstring 1 * (20) BLANKS 0029 41 Bitstring 5 * FILLER 002E 46 Character 5 FMLVLOWN VOLUME OWNER - THIS FIELD WILL CONTAIN THE CHARACTERS 'CPVOL' IF CYLINDER ZERO HAS BEEN FORMATTED FOR VM/XA CP USE. 0033 51 Bitstring 29 *
FMLRC Storage Layout
*** FMLRC - VOLUME LABEL RECORD * * +---------------------------+---------------------------+ * 0 | FMLOSLAB | FMLCPLAB- | * +-------------+------+------+--------------------+------+ * 8 | -(004) |//////| FMLVTCB |:VTCR | * +-------------+------+-------------+-------------+------+ * 10 |//////////////////////////////////|////////////////////| * +----------------------------------+////////////////////| * 18 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |//////+----------------------------------+-------------+ * 28 |//////|//////////////////////////////////| (02E)- | * +------+-------------+--------------------+-------------+ * 30 | -FMLVLOWN |//////////////////////////////////| * +--------------------+//////////////////////////////////| * 38 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 50 * *** FMLRC - VOLUME LABEL RECORD
FMLRC Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----FMLCPLAB 0004
FMLOSLAB 0000
FMLVLOWN 002E
FMLVTCB 000B
FMLVTCR 000F
Last updated on 3 Aug 1999 at 11:55:42 EDT.
Copyright IBM Corporation, 1990, 1999