USVOL

Prolog  

Control Block Contents  
   USVOL DSECT

Storage Layout  

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

Symbol         Dspl Value
-------------- ---- -----
USVCOUNT       0004
USVHDR         0004 00000008
USVHDRD        0004 00000001
USVNEXT        0000
USVOLSER       0008