Programming Interface Information:
This page documents intended Programming
Interfaces that allow the customer to write programs to obtain the services of z/VM. |
IPARM
Control Block Contents
IPARM DSECT
Cross Reference (Contains links to field and bit definitions)
IPARM Control Block Content
IPARM DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IPARM 0000 0 Character 32 IPARMS IPL parameters 0020 32 Bitstring 1 * (4) reserved for future use 0024 36 Address 4 IPAEPARM Pointer to extended IPL parms 1111 .... IPAEPLEN 240 Length of extended IPL parms 0028 40 Bitstring 6 IPADATE Module date/time (YYMMDDHHMMSS) 002E 46 Bitstring 1 IPAINITL Save for SYSINITL field 002F 47 Bitstring 1 IPARFIFL Reserved for HCPRFI 0030 48 Bitstring 1 * (4) reserved for future use Note: This word does not survive a bounce (it contains HCPLOD's base). 0034 52 Signed 4 IPAOFFST Offset to parm disk 0038 56 Character 8 IPANAME Name of CP module 00000040 IPASIZEB (*-IPARM) Size in bytes 00000008 IPASIZED (*-IPARM+7)/8 Size in d-words
IPARM Storage Layout
*** IPARM - Control Block in IPARM * * +-------------------------------------------------------+ * 0 | | * = IPARMS = * | | * +---------------------------+---------------------------+ * 20 |///////////////////////////| IPAEPARM | * +---------------------------+-------------+------+------+ * 28 | IPADATE |:INITL|:RFIFL| * +---------------------------+-------------+------+------+ * 30 |///////////////////////////| IPAOFFST | * +---------------------------+---------------------------+ * 38 | IPANAME | * +-------------------------------------------------------+ * 40 * *** IPARM - Control Block in IPARM
IPARM Cross Reference
Symbol Dspl Value -------------- ---- ----- IPADATE 0028 IPAEPARM 0024 IPAEPLEN 0024 F0 IPAINITL 002E IPANAME 0038 IPAOFFST 0034 IPARFIFL 002F IPARMS 0000 IPASIZEB 0038 00000040 IPASIZED 0038 00000008
Last updated on 5 Jun 2001 at 13:58:18 EDT.
Copyright IBM Corporation, 1990, 2001