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.

SDMCM

Prolog  

Control Block Contents  

SDMCM DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

SDMCM Prolog

 NAME       : HCPSDMCM
 DESCRIPTION: Common Data Area for Storage Device Management
 DSECT      : SDMCM
 FUNCTION   : Maintain data for Storage Device Management Component.
 LOCATED BY : Pointer (SYSSDMCM) in the System Common Data Area
 CREATED BY : HCPICUSD - Create and Initialize the SDMCM
 DELETED BY : N/A

 

SDMCM Control Block Content


SDMCM DSECT

Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SDMCM Common Data Area for Storage Device Management 0000 0 Address 4 SDMDRMQF Pointer to the first DRMBK in the queue 0004 4 Character 8 SDMDRMQL Pointer to the last DRMBK in the queue 0010 16 Dbl-Word 8 SDMDRMLK (3) DRMBK queue lockword 0028 40 Address 4 SDMTZMSM Pointer to the ConCopy Session Management Dynamic Data Structure 0030 48 Dbl-Word 8 SDMTZMLK (3) Lock for the ConCopy Session Management Dynamic Data Structure 0048 72 Address 4 SDMAMPTB Timer-id field for HCPAMP @PB3683W 004C 76 Character 4 SDMCMID Identifies the storage area as a SDMCM block @S1990FO 0000000A SDMSIZE ((*-SDMCM)+7)/8 SDMCM size in double-words @PB368MQ 00E2C4D4 SDMID C' SDM' Identifier for a SDMCM

 

SDMCM Storage Layout

*** SDMCM - Common Data Area for Storage Device Management
*
*     +---------------------------+---------------------------+
*   0 |         SDMDRMQF          |        SDMDRMQL-          |
*     +---------------------------+---------------------------+
*   8 |          -(004)           |///////////////////////////|
*     +---------------------------+---------------------------+
*  10 |                                                       |
*     =                       SDMDRMLK                        =
*     |                                                       |
*     +---------------------------+---------------------------+
*  28 |         SDMTZMSM          |///////////////////////////|
*     +---------------------------+---------------------------+
*  30 |                                                       |
*     =                       SDMTZMLK                        =
*     |                                                       |
*     +---------------------------+---------------------------+
*  48 |         SDMAMPTB          |         SDMCMID           |
*     +---------------------------+---------------------------+
*  50
*
*** SDMCM - Common Data Area for Storage Device Management

 

SDMCM Cross Reference

(contains links to field and bit definitions)
Symbol         Dspl Value
-------------- ---- -----

SDMAMPTB 0048

SDMCMID 004C

SDMDRMLK 0010

SDMDRMQF 0000

SDMDRMQL 0004

SDMID 004C 00E2C4D4

SDMSIZE 004C 0000000A

SDMTZMLK 0030

SDMTZMSM 0028


This information is based on VM/ESA 2.4.0.
Last updated on 3 Aug 1999 at 12:30:52 EDT.
Copyright IBM Corporation, 1990, 1999