|
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. |
CNNBK
Cross Reference (Contains links to field and bit definitions)
CNNBK Prolog
NAME : HCPCNNBK
DESCRIPTION: Connectivity (aka ISFC) address space
specific control block
DSECT : CNNBK
FUNCTION : Contains information used in managing
(allocation and re-organization of) a
Connectivity address space.
LOCATED BY : ASCTYPTR field of ASCBK points to a CAABK. This
control block starts at CAAFSI (function specific
information) section of the CAABK.
CREATED BY : HCPASMCR, when creating a Connectivity address space
DELETED BY : Once created, never deleted.
SERIALIZED :
CNNBK Control Block Content
CNNBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CNNBK Connectivity (aka ISFC) address space 0000 0 Bitstring 1 CNNINDEX Index of the i-ASIT table entry that describes address space 0001 1 Bitstring 1 * (3) Reserved for IBM use 0004 4 Signed 4 * (3) Reserved for IBM use 00000002 CNNSIZE (*-CNNBK+7)/8 Size, in doublewords, of CNNBK
CNNBK Storage Layout
*** CNNBK - Connectivity (aka ISFC) address space * * +------+--------------------+---------------------------+ * 0 |:INDEX|////////////////////|///////////////////////////| * +------+--------------------+///////////////////////////| * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 10 * *** CNNBK - Connectivity (aka ISFC) address space
CNNBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----CNNINDEX 0000
CNNSIZE 0004 00000002
Last updated on 3 Aug 1999 at 11:45:50 EDT.
Copyright IBM Corporation, 1990, 1999