|
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. |
SCMBK
Cross Reference (Contains links to field and bit definitions)
SCMBK Prolog
NAME : HCPSCMBK
DESCRIPTION: SUBCHANNEL MEASUREMENT BLOCK
DSECT : SCMBK
FUNCTION : THE MEASUREMENT BLOCK IS AN ARCHITECTUALLY DEFINED
32 BYTE AREA THAT CONTAINS THE ACCUMULATED VALUES
OF THE MEASURED PARAMETERS FOR EACH SUBCHANNEL.
LOCATED BY : HCPRIOSM IS THE ANCHOR FIELD FOR THE SUBCHANNEL
MEASUREMENT BLOCKS (MEASUREMENT BLOCK ORIGIN ADDRESS)
HCPRIOSM ---> |-----|
| | MEASUREMENT BLOCK 0000
|-----|
| | MEASUREMENT BLOCK 0001
|-----|
| | MEASUREMENT BLOCK 0002
|-----|
.
.
.
RDEVMBLK FIELD OF RDEVBK - MEASUREMENT BLK ADDRESS
CREATED BY : SCMBK'S ARE STATIC AND CREATED BY THE SYSGEN
PROCESS.
DELETED BY : SCMBK'S ARE PART OF THE SYSTEM NUCLEUS AND NEVER
DELETED.
SCMBK Control Block Content
SCMBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SCMBK SUBCHANNEL MEASUREMENT BLOCK 0000 0 Signed 2 SCMSSCH CYCLIC COUNT OF SSCH AND RSCH 0002 2 Signed 2 SCMCOUNT SAMPLE COUNT 0004 4 Signed 4 SCMCNTIM DEVICE-CONNECT TIME 0008 8 Signed 4 SCMFPTIM FUNCTION-PENDING TIME 000C 12 Signed 4 SCMDDTIM DEVICE-DISCONNECT TIME 0010 16 Signed 4 SCMCQTIM CONTROL UNIT QUEUEING TIME 0014 20 Signed 4 SCMDATIM Device-Active-Only-Time 0018 24 Signed 4 * RESERVED FOR FUTURE HARDWARE USE 001C 28 Signed 4 * RESERVED FOR FUTURE HARDWARE USE 00000020 SCMSIZEB (*-SCMBK) LENGTH OF SCMBK IN BYTES 00000004 SCMSIZE (*-SCMBK+7)/8 LENGTH OF SCMBK IN DOUBLE-WORDS
SCMBK Storage Layout
*** SCMBK - SUBCHANNEL MEASUREMENT BLOCK * * +-------------+-------------+---------------------------+ * 0 | SCMSSCH | SCMCOUNT | SCMCNTIM | * +-------------+-------------+---------------------------+ * 8 | SCMFPTIM | SCMDDTIM | * +---------------------------+---------------------------+ * 10 | SCMCQTIM | SCMDATIM | * +---------------------------+---------------------------+ * 18 |///////////////////////////|///////////////////////////| * +---------------------------+---------------------------+ * 20 * *** SCMBK - SUBCHANNEL MEASUREMENT BLOCK
SCMBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----SCMCNTIM 0004
SCMCOUNT 0002
SCMCQTIM 0010
SCMDATIM 0014
SCMDDTIM 000C
SCMFPTIM 0008
SCMSIZE 001C 00000004
SCMSIZEB 001C 00000020
SCMSSCH 0000
Last updated on 3 Aug 1999 at 12:30:09 EDT.
Copyright IBM Corporation, 1990, 1999