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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. |
USVOL
Cross Reference (Contains links to field and bit definitions)
USVOL Prolog
Name : HCPUSVOL
Description: User volume descriptor
DSECT : USVOL
Function : The USVOL area is used to describe the user
volume list, the user volume include list
and the user volume exclude list.
Located by : SYSUVOL, SYSIVOL, and SYSXVOL in SYSCM
Created by : HCPSYS, HCPZPQ
Deleted by : no one
USVOL Control Block Content
USVOL DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure USVOL User volume descriptor 0000 0 Address 4 USVNEXT Pointer to next chunk or store 0004 4 Signed 4 USVCOUNT Count of volsers in this chunk 00000008 USVHDR *-USVOL Length of header 00000001 USVHDRD (*-USVOL+7)/8 Length of header in dwords 0008 8 Character 6 USVOLSER First volser in chunk
USVOL Storage Layout
*** USVOL - User volume descriptor * * +---------------------------+---------------------------+ * 0 | USVNEXT | USVCOUNT | * +---------------------------+-------------+-------------+ * 8 | USVOLSER | E * +-----------------------------------------+ * *** USVOL - User volume descriptor
USVOL Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----USVCOUNT 0004
USVHDR 0004 00000008
USVHDRD 0004 00000001
USVNEXT 0000
USVOLSER 0008
Last updated on 3 Aug 1999 at 13:42:28 EDT.
Copyright IBM Corporation, 1990, 1999