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Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
VSMBK
Control Block Contents
VSMBK DSECT
Cross Reference (Contains links to field and bit definitions)
VSMBK Prolog
Name : HCPVSMBK
Description: Vtam Service Machine control BlocK
DSECT : VSMBK
Function :
This block is used to contain information about a
single Vtam Service Machine.
Located by :
SYSVSMBK - Anchor for the system VSMBK queue (located
in SYSCM).
VSMNEXT - VSMBK forward chain pointer (located in
VSMBK).
Created by :
HCPVCLDV - DISABLE SNA command processor for a specific
VSM
HCPVCLEV - ENABLE SNA command processor for a specific
VSM
HCPVCTCN - VSM global IUCV CONNECT processor
Deleted by :
HCPVCZRL - SNABK/RDEV and VSMBK storage releaser
Serialized :
The updating of all fields in this block is serialized
by exclusive ownership of the system vtam service
machine lock (SYSVSMLK) located in SYSCM.
Interrogation of a field without the lock is permitted
as long as no action is taken which could be
invalidated by that field's value changing the instant
after it was obtained. Otherwise interrogation requires
at least a share of the lock.
VSMBK Control Block Content
VSMBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure VSMBK Vtam Service Machine control
BlocK
0000 0 Character 8 VSMUSRID VSM userid
0008 8 Character 8 VSMVTMID VTAM machine userid
0010 16 Dbl-Word 8 VSMTIMER Value for redisplay timer
0018 24 Signed 4 VSMVMDBK VSM VMDBK address
001C 28 Signed 4 VSMRTREE Radix tree anchor
0020 32 Signed 4 VSMNEXT Pointer to the next VSMBK
0024 36 Signed 4 VSMLOGOS Pointer to logo WEIBK chain
0028 40 Signed 4 VSMSEVRQ Queue of SNABKs awaiting SEVER
002C 44 Signed 2 VSMPATH IUCV pathid for the VSM
002E 46 Signed 2 * Reserved for future IBM use
0030 48 Signed 2 VSMMSGLM Message limit
0032 50 Signed 2 VSMLUCNT LU count for VSM
0034 52 Bitstring 1 VSMFLAG1 Status
1... .... VSMCONNP X'80' Connect pending
.1.. .... VSMENABL X'40' VSM devices enabled
..1. .... VSMSEVER X'20' Global VSM path has been
severed
...1 .... VSMSGLME X'10' VSM message limit exceeded
0035 53 Bitstring 1 VSMLEVEL Level of support in VSM
00000000 VSMVCNA X'00' VCNA
00000001 VSM31 X'01' VSCS VTAM 3.1
00000002 VSM311 X'02' VSCS VTAM 3.1.1
00000003 VSM312 X'03' VSCS VTAM 3.1.2
00000004 VSM32 X'04' VSCS VTAM 3.2
00000005 VSM33 X'05' VSCS VTAM 3.3
00000006 VSM34 X'06' VSCS VTAM 3.4
00000007 VSM341 X'07' VSCS VTAM 3.4.1
00000008 VSM42 X'08' VSCS VTAM 4.2
00000000 *
* Define the VSM Function Table * * This 2-byte table identifies the
functions that are * supported by a given VSM Level.
0036 54 Bitstring 2 VSMFCTNS (0) VSM function flags
0036 54 Bitstring 1 VSMFCTB1 Function flag byte 1
1... .... VSMFDIA X'80' DIAL function supported
.1.. .... VSMFWSF X'40' WSF query reply data
supported
..1. .... VSMFEAU X'20' Erase All Unprotected
supported
...1 .... VSMFTTY X'10' Enhanced TTY device
supported
.... 1... VSMFWFP X'08' Write for Position
supported
.... .1.. VSMFCON X'04' CONMODE 3270 supported
.... ..1. VSMFVTM X'02' VTAM userid transaction
supported
.... ...1 VSMFLOGO X'01' LOGON from logo supported
0037 55 Bitstring 1 VSMFCTB2 Function flag byte 2
1... .... VSMFBRKN X'80' BREAKIN GUESTCTL supported
.1.. .... VSMFLDIS X'40' Linemode DBCS input
supported
..1. .... VSMMOHLD X'20' TERM MORE/HOLD supported
...1 .... VSMFDYNL X'10' DYNamic Logo updates
supported
.... 1... VSMCURSC X'08' Changes to the MORE/HOLD
settings of the current screen
supported (Clear screen function
also supported)
.... .1.. VSMFNQN X'04' Network Qualified Names
supported
00000007 VSMSIZE (*-VSMBK+7)/8 VSMBK size in
doublewords
VSMBK Storage Layout
*** VSMBK - Vtam Service Machine control BlocK
*
* +-------------------------------------------------------+
* 0 | VSMUSRID |
* +-------------------------------------------------------+
* 8 | VSMVTMID |
* +-------------------------------------------------------+
* 10 | VSMTIMER |
* +---------------------------+---------------------------+
* 18 | VSMVMDBK | VSMRTREE |
* +---------------------------+---------------------------+
* 20 | VSMNEXT | VSMLOGOS |
* +---------------------------+-------------+-------------+
* 28 | VSMSEVRQ | VSMPATH |/////////////|
* +-------------+-------------+------+------+------+------+
* 30 | VSMMSGLM | VSMLUCNT |:FLAG1|:LEVEL|:FCTB1|:FCTB2|
* +-------------+-------------+------+------+------+------+
* 38
*
*** VSMBK - Vtam Service Machine control BlocK
VSMBK Cross Reference
Symbol Dspl Value -------------- ---- ----- * 0035 00000000 VSMCONNP 0034 80 VSMCURSC 0037 08 VSMENABL 0034 40 VSMFBRKN 0037 80 VSMFCON 0036 04 VSMFCTB1 0036 VSMFCTB2 0037 VSMFCTNS 0036 VSMFDIA 0036 80 VSMFDYNL 0037 10 VSMFEAU 0036 20 VSMFLAG1 0034 VSMFLDIS 0037 40 VSMFLOGO 0036 01 VSMFNQN 0037 04 VSMFTTY 0036 10 VSMFVTM 0036 02 VSMFWFP 0036 08 VSMFWSF 0036 40 VSMLEVEL 0035 VSMLOGOS 0024 VSMLUCNT 0032 VSMMOHLD 0037 20 VSMMSGLM 0030 VSMNEXT 0020 VSMPATH 002C VSMRTREE 001C VSMSEVER 0034 20 VSMSEVRQ 0028 VSMSGLME 0034 10 VSMSIZE 0037 00000007 VSMTIMER 0010 VSMUSRID 0000 VSMVCNA 0035 00000000 VSMVMDBK 0018 VSMVTMID 0008 VSM31 0035 00000001 VSM311 0035 00000002 VSM312 0035 00000003 VSM32 0035 00000004 VSM33 0035 00000005 VSM34 0035 00000006 VSM341 0035 00000007 VSM42 0035 00000008
Last updated on 6 Jun 2001 at 12:46:38 EDT.
Copyright IBM Corporation, 1990, 2001