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.

SDRREC

Prolog  

Control Block Contents  

SDRREC DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

SDRREC Prolog

 NAME       : SDRREC
 DESCRIPTION: STATISTICAL DATA RECORDING BLOCK
 DSECT      : SDRREC
 FUNCTION   : SDRREC CONTAINS COUNTERS TO RECORD TEMPORARY
              ERRORS ON A GIVEN I/O DEVICE.
 LOCATED BY : RDEVSDR FIELD OF HCPRDEV.
 CREATED BY : HCPIOE
 DELETED BY : HCPIOE
 

SDRREC Control Block Content



SDRREC DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SDRREC         STATISTICAL DATA RECORDING BLOCK
0000    0 Signed       4 SDRRDEV        ADDRESS OF ASSOCIATED RDEVBLOK
0004    4 Bitstring    1 SDRFLAGS       SDRREC FLAGS
          1... ....      SDRSHRT        X'80' SHORT OBR TO BE WRITTEN
          .1.. ....      SDRRECD        X'40' TO BE RECORDED ON CNTR
                                        OVERFLOW
          ..1. ....      SDRMAX         X'20' MAX NUMBER OF SDR CNTRS
                                        HANDLED
0005    5 Bitstring    1 SDRPRMCT       PARAMETER LIST COUNTER
0006    6 Bitstring    1 SDRFLCT        FULL BYTE COUNTER
0007    7 Bitstring    1 SDROVFWK       STATISTICAL UPDATE WORK BYTE
0008    8 Bitstring    1 SDRLNGTH       LENGTH (BYTES) OF SDR COUNTERS
0009    9 Bitstring    3 SDRCUAD        PRIMARY ADDRESS OF DEVICE USED
000C   12 Bitstring    1 SDRCTRS (10)   SDR ERROR COUNTERS
0016   22 Bitstring    1 SDRCTRS1 (10)  ADDITIONAL SDR ERROR CNTR FOR
                                        DEVICES WHICH USE MORE THAN 10.
          0000000C       SDRBLEN        SDRCTRS-SDRREC HEADER SIZE IN
                                        BYTES
          00000004       SDRSIZE        (*-SDRREC+7)/8 SDRREC SIZE IN
                                        DW'S
 

SDRREC Storage Layout

*** SDRREC - STATISTICAL DATA RECORDING BLOCK
*
*     +---------------------------+------+------+------+------+
*   0 |         SDRRDEV           |:FLAGS|:PRMCT|:FLCT |:OVFWK|
*     +------+--------------------+------+------+------+------+
*   8 |:LNGTH|      SDRCUAD       |         SDRCTRS           |
*     +------+--------------------+             +-------------+
*  10 |                                         |  SDRCTRS1   |
*     +-----------------------------------------+             |
*     |                                                       |
*     +-------------------------------------------------------+
*  20
*
*** SDRREC - STATISTICAL DATA RECORDING BLOCK
 

SDRREC Cross Reference

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

SDRBLEN        0016 0000000C

SDRCTRS        000C

SDRCTRS1       0016

SDRCUAD        0009

SDRFLAGS       0004

SDRFLCT        0006

SDRLNGTH       0008

SDRMAX         0004 20

SDROVFWK       0007

SDRPRMCT       0005

SDRRDEV        0000

SDRRECD        0004 40

SDRSHRT        0004 80

SDRSIZE        0016 00000004
This information is based on VM/ESA 2.4.0.
Last updated on 3 Aug 1999 at 13:52:13 EDT.
Copyright IBM Corporation, 1990, 1999