VMBLOK Hexadecimal Field
Displacement Name Field Descriptien, Contents, Meaning
15E 160 164
168 16C 170 174
178 17C 17C 17D lao- 184
188 18C 190 194
196
198
199
19A
19B 19C lAO lA4 lA7 lA8 lAC lBO lB4 VMS TEALS DS VMTIMEON DS VMTRQBLK DS VMACOUNT DS VMRDINQ DS VMPGRINQ DS VMEPRIOR DS VMSTKO DS VMMICRO DS VMMCR6 ORG DS lH lF lF IF IF IF IF IF IF VMMICRO 11 in VMMCR6 VMMFE EQU --X'80'-- VMMPROB EQU X'40' VMMNOSK EQU X'20' VMM360 EQU VMMSVC EQU VMMSHADT EQU VMMCPAST EQU VMMVTMR EQU VMMADDR DS V!t-F-FUNC DS VMPXINT DS VMDELAY DS VMRPRIOR DS VMPGPNT DS VMNDCNT DS VMSHRSYS DS VMRESC DS VMCXSTAT DS X'10' X'08' X'04' X'02' X'Ol' 3X 'tF 1F
1F IF 1F
1H lH 1X lX in VMCXSTAT VMBCAUTH EQU --X'80'---- VMIOLOG EQU X'20' Number of waits for stolen pages Logon time -- TOD clock word 0 Address of TRQBLOK for real timer
Address of user ACCTELOK Page read tetal (VMPGREAD) at queue entry Sum ef virtual machine pages count at each
page read
Eligible list priority Conscle function output stack peinter Virtual machine assist -real central R6 Cant reI register 6 -hardware flag byte Virtual machine assist feature enabled Virtual machine in problem state Virtual machine assist dOes not handle SSK, or ISK S/360 operations only; no EC mode operations
allowed Virtual machine assist does net handle SVCs Shadew tatles present (EC mode and translate) CP assist feature enabled Virtual interval timer assist feature enabled Contrel register 6 -address ef virtual
machine's pointer list len -table Extended external interrupt stack pOinter TRQELOK for delayed SLEEP cr LOGOFF Run list dispatching priority Peinter to list of pages in PGBLOK Nondeferred page read count
Number of shared named V*21 Remote display line count V*22 VMCF status byte VMCF active I/O logout mask bit from control register
14. Referenced through VMVCRI4 .• VMVCRl4 EQU VMCXSTAT V*22 Contains I/O logout mask bit from control
register 14 (for both EC and BC mode). During EC mode, control register 14 data is
alsc kept in the ECBLOK. VMAFF DS lX in VMAFF VMAFFON EQU -X'40'-- VMAFFAD DS OBL6 VMLSTPRC DS VMASSIST DS VMCPNT DS VMCPUID DS VMNOECPS DS VMLOCK DS VMDFTPNT DS VMUSERl DS VMUSER2 DS lX IF 1F 31 lX 1F IF IF IF V*26 Affinity request field
Affinity set on Precessor aadress V*27 Last processor executed in problem state
Pointer to list of VMAELOKs VMCELOK anchor
Processor identificatien number in binary V*25 Reserved for IBM use
Lock word fer compare and swap locking
Deferred task pointer
Reserved for installation use
Reserved for installation use
126 IBM VM/370 Data Areas and Central Block Logic

Hexadecimal Field
Displacement Name
1B8 1BC 1CO 1C4 1C8 1CA 1CB 1CC 1CE 1DO
1D4
1D5
1D6
1D7
1D8
1EO
1E8
lEA 1EC 1ED
1EE
1FO
1F4
1F5 VMUSER3 DS VMUSER4 DS VMUHS DS VMPCKP DS VMXPG DS VMQ2CNT DS VMQ3CNT DS VMSTKCNT DS VMPRRCT DS VMSiPMIG DS VMFVRF DS VMCRTO DS VMSHRPRC DS Vl'lGRFTAB DS VMCPTIME DS VMAPTIME DS VMACTDEV DS VMFLPAG DS VMSPMFLG DS 1F
1F
1F 1F 1H 1X 1X 1H
1H
1F 1X 1X 1X 11 1D
1D
1H
lH 11 §it§ in VMSPMFLG VMSPMON EQU --X'40'---- VMSMSGON EQU X'20' RESERVED DS VMCONLN DS VMCONBUF DS VMPSWDCA DS RESERVED DS 1X 1H
1F 1X 3X C*1 C*2 C*3 C*4 V*28 V*29 V*30 Field Description, Contents, Meaning Reserved for installation use
Reserved for installation use VMBLCK Recent history of user processor utilization User page read checkpoint Maximum virtual machine pages count in-queue Consecutive queue 2 count Count of consecutive Q2s allowed Count of stacked ICB plus CPEXBICKs Processor related stacked CPEXBICKs Pointer to pseudo page table SET FAVORED percentage for user COMPUTE/ELAPSED ratio Processor (main or attached) wbose shared
segments were last used GRAF virtual console logical tab Main processor supervisor time
Attached processor supervisor time Virtual device address for last virtual SIC Count of nonshared flushed pages VMCF special message flag
Receiving special messages
processing special messages
Reserved for IBM use
Bytes left in response buffer Virtual address of response buffer V*31 Invalid AUTCLOG password ceunt
Reserved for IBM use VMBSIZE EQU (*-VMBLOK) /8 VMELOK size in doutlewords (X'38') Section 1. CP Lata Areas and Contrel Blocks 127