|
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. |
ARSDT
Cross Reference (Contains links to field and bit definitions)
ARSDT Prolog
Name : HCPARSDT
Description: Access Real Subsystem Data Area
DSECT : ARSDT
Function : Map resident data area for Diagnose X'254'
in entry point HCPIOD25.
Located by : Acon ADDR of HCPIOD25
Created by : none
Deleted by : none
ARSDT Control Block Content
ARSDT DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure ARSDT Access Real Subsystem Data Area 0000 0 Dbl-Word 8 ARSLOCKW (3) Access Real Subsystem lockword 0018 24 Address 4 ARSVDEVA Address of 1st "pseudo" Vdev 001C 28 Address 4 ARSUSQUE Address of linked list containing users unsolicited status ARUBKs 0020 32 Address 4 ARSMSQUE Address of linked list containing ARMGEs from closed connections 0024 36 Bitstring 12 * Reserved 00000030 ARSDTBYL *-ARSDT Byte length of ARSDT 00000006 ARSDTDSZ ((ARSDTBYL+7)/8) Doubleword length of ARSDT
ARSDT Storage Layout
*** ARSDT - Access Real Subsystem Data Area * * +-------------------------------------------------------+ * 0 | | * = ARSLOCKW = * | | * +---------------------------+---------------------------+ * 18 | ARSVDEVA | ARSUSQUE | * +---------------------------+---------------------------+ * 20 | ARSMSQUE |///////////////////////////| * +---------------------------+///////////////////////////| * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 30 * *** ARSDT - Access Real Subsystem Data Area
ARSDT Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----ARSDTBYL 0024 00000030
ARSDTDSZ 0024 00000006
ARSLOCKW 0000
ARSMSQUE 0020
ARSUSQUE 001C
ARSVDEVA 0018
Last updated on 3 Aug 1999 at 11:40:05 EDT.
Copyright IBM Corporation, 1990, 1999