Hexadecimal Field
tisplacement Name
63
64
68
69 6A 6C 70 78 80 88 90 98
9E
9F AO A4
A8 BO FO 110 118 120 128 12C 130 132
134
138 13C 140 144
148 150 152
154
156
158
15A 15C VMPEND DS VMDEFSTK EQU VMPERPND EQU VMPRGPND EQU VMSVCPND EQU VMPGPND EQU VMIOPND EQU VMEXTPND EQU VMLOCKER DS VMFSTAT DS VMFBMX EQU VMFAUTO EQU VMFVTMR EQU VMNPiDCL EQU VMMLVL2 DS VMIOINT DS VMTI!!ER DS VMVTIME DS VMTMOUTQ DS VMTTIME DS VMTMINQ DS VMTSOUTQ EQU VMTODINQ DS VMINST DS VMUPRIOR DS VMPSiDCT DS VltTREXT DS VMADSTOP DS VMPSi DS VMGPRS DS VMFPRS DS VMOSER DS VMACNT DS VMDIST DS VMPGREAD DS VMPGiRIT DS VMiCNT DS VMSEGDSP DS VMSTOR DS VMIOCNT DS VMPNCH DS VMLINS DS VMCRDS DS VMCOMND DS VMPDRUM DS VMPDISK DS VMPAGES DS VMPRGIL DS VMDEDCH DS VMQPRIOR DS VMiSPROJ DS 1X in VMPEND X'40' X'20' X'10' X'08' X'02' X'01' 1F 1X in VMFST1T --X'80'--- X'40' X'20' X'04' 1X 1H
1F
1D
1D
1D
1D VMTMINQ 1D
3H
1H 1X iF 1F
1D
16F
4D CL8 CL8 CL8 1F
1F
1H
1H
1F
1F
1F
1F
1F CL8 1H
1H
1H
1H
1H
1H
1H
Field Description, Contents, Meaning V*16 Interrupt pending summary flag
Deferred task wait fer system lock Virtual PER interrupt pending Virtual program interrupt deferred Virtual SVC interrupt deferred Virtual pseudo page fault pending Virtual I/O interrupt pending Virtual external interrupt pending
Ease address of holder of VMLCCK V*19 Virtual machine feature status Virtual block multiplexer channels Autcpcll handshake option in use VMBLeK User requested virtual timer assist enabled Virtual machine requests password suppression V*20 Additional message handling information
Receiving all informational messages I/O interruFt pending flags Virtual timer value - X'50' Virtual processor time used
Time remaining in queue 1 and/or queue 2
Total time while in supervisor state VMTTIME value at entry to queue
Supervisor time allowed (redefine label) TOD clock time stamp at queue entry Virtual machine privileged er tracing
instruction V*17 User priority from directory V*18 Invalid LINK password count Address of extended trace control block
Address of address stop control block Virtual machine PSi Virtual machine general purFose registers Virtual machine floating-peint registers Virtual machine identification Virtual machine accounting number Virtual machine distribution code
Total page reads
Total page writes Page wait count
Displacement of virtual machine SEGTABLE from
start of tlock Permanent storage size (in bytes) Virtual SIO count for nonspooled I/O Virtual card count -spooled punch Virtual line count -spooled Frinter Virtual card count -spooled reader
Last CP command executed
Reserved for IBM use
Reserved for IBM use
Number of real pages currently resident ILC for latest program interrupt Mask for dedicated channel
priority in dispatching queue
Projected working set size
Section 1. CP tata Areas and Contrel Blocks 125

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