TBQBLOK, UDEFELOK I • Bemote Graphic Device Support The following continuation of the TBQBLOK DS!CT for remote graphic device support is
built, referenced, and released by DMKRGA and DMKRGE. 28
Hexadecimal Field
tisplacement Nalle
------------
28 TBQBCRT
2C TRQBDEV
2E TRQNAME TRQBPOLL
TRQBCRT DS lF DS lH DS lH EQU X'FF' TaCEDEV TRCNA!!E Field Descriptien, Centents, Meaning GraFbic device return IRA GraFhic device line address
Rescurce identification
Timer interrupt for general FoIl urEFELOK is used as a buffer for user device block data in user directory access oFerations. o
38
Hexadecimal Field
Displacement Nalle
------------ 0 UDBFWORK 38 UDBFVADD 3C UDBFDASD UDBFSIZE DS DS DS UDBFVADD 7D IF IF UDBFWOBK UDEFDASD Field Descripticn, Contents, Meaning Euffer work space used by the caller Virtual address of the last directory page DASD address of the last direct cry page EQU (*-UDBFBLOK)/8 UDEFELOK size in doutlewords (X'08') 108 IEM VM/370 Data Areas and Centrol Block Legic

UDEVBLCK UDEVBLOK supplies the information about the virtual machine's virtual devices# the
operational parameters for its use# such as DASI access passwords# read/write link mode# spool device# T-disk space versus dedicated device space# as well as other Farameters.
Hexadecimal
o
8 10 18 20 28
Displacement
------------ 0 2
4
8
9
A
E
C
D
D
E 10 E 10 12 UDEVADD U* 1 I U*2 UDEVRELN Field
Name UDEVADD DS UDEVDISP DS UDEVDASD DS UDEVSTAT DS ] it.§ UDEVDED EQU UDEVTDSK EQU UDEVLONG EQU "TI lO'lJT 1l'T'I11 • .£,I,I.\.,IJ. RQU UDEVSPOO EQU UDEV3158 EQU UDEVVRR EQU UDEVMODE DS ]!1.§ UDEVLR EQU UDEVLW EQU UDEVLM EQU UDEVR EQU UDEVRR EQU UDEVW EQU UDEVWR EQU UDEVM EQU UDEVMR EQU UDEVMW EQU UDEVTYPC DS UDEVTYPE IS UDEVFTR IS UDEVMDL DS ORG UDEVCLAS DS UDEVLINK DS UDEVLKID DS UDEVNCYL DS UDEVRELN DS UDEVVSER DS , UDEVDISP unEVDAS!) U*3 I U*4 U*5 I U*6 I UDEVNCYL UDEVVSER UDEVPASR UDEVPASi UDEVPASM Field Descriptien, Contents# Meaning 1H Virtual device address
1H Displacement of the next block
1F DASI address of the next block 1X U*1 Device status information
in UDEVSTAT --X'80'---- Device to be dedicated te this user X'40' T-disk to be allocated X'20' Device block is full length (6 doublewords) X'10' Device is te be linked (at legon) X'08' Device is a spool device X'04' Device is a 3158 console X'02' Virtual reserve/release requested 1X U*2 Access mode information
in UDEVMODE --X'80'--- Read links allowed X'40' Write links allcwed X'20' Multiple write links allowed 00 Device to be in R link mode for owner 04 Device to be in RR link mode for owner 08 Device to be in W link mode for owner
12 Device to be in liR link mode for owner
16 Device to be in M link mode for owner 20 Device to be in MR link mode for owner
24 Device to be in MW link mode for owner
1C U*3 Virtual device class
1C U*4 Virtual device type
1C U*5 Device feature codes
1C U*6 Device model number UDEVMDL User device block (short)
1C Speel device output class
1H User link tc disk
1D User link tc userid
1H Virtual DASD size
1H Virtual DASt cylinder relocation
6C Volume identification number Section 1. CP Lata Areas and Centrel Elocks 109