Page of SY20-0884-3 As Updated Aug. 1, 1979 by TNL SN25-0497 MN400: VM/370 Monitor User Class Record. 49 MN410: VM/370 Monitor Shadow Table
MaintenanceUser Record (5748=XE1). • • 50 MN500: VM/370 Monitor Instruction Si mu la tion Class Record • • • • • • • • 50 MN600: VM/370 Monitor DASTAP I/O Count
Record••••••••• ••••••• 51 MN602: VM/370 Monitor DASTAP Utilization ____ A ••••••••••••••••• MN700: VM/370 Monitor Seeks Class Record 53 MN802: VM/370 Monitor System Profile
Class• • • • • • • • • • 54 MNDEVLST: VM/370 Monitor Class 6 (DASTAP) Device List. • • • • • • • • • 55 MONCOM: VM/370 Monitor Communications
Area. . . . . .• . . . . 56 MSSCOM: MSS Communications Control Block 59
NCPTBL: Named370X Control Program Table 60 NICBLOK: Network Interface Control Block 61
NPRTBL: Named3800 Image Library Table • 63 OBRRECN: Unit Check Error Record (Long Out board Record). • • • • • • • • 64 OBRREC: Unit Check Error Record (Short Ou tboard Record). • • • • • • • • • • • 66 OBRREC: Unit Check Error Record (Short Outboard Record) (5748-XljH ••••• 66.1 OBRREC: Unit Check Error Record (Short Outboard Record) (5748=XE1) ••••• 66.1 OWNDLIST: CP-Owned Volumes List. • • • • 67
PAGTABLE: TranslationPage Table • • • • 67 PGBLOK: Pseudo Page Fault Stack Block. • 68 PSA: Prefix Storage Area (Low Storage Locations). • • • • • • • • • • • • 69 PWDIBLOK: Password Invalid Block • • 78
REALI/O CONTROL BLOCKS ••••••••• 79
Real Channel Control Blocks.• 79 Real Control Unit Blocks • • • 79
Real Device Control Blocks• • 79
Input/Output Blocks.• • • • • •• 79
Network Interface Control Block.• 80 RCHBLOK: Real Channel Block. • • • • 81 RCUBLOK: Real Control Unit Block • • 82 RCWTASK: Translated Virtual I/O CCW ••• 84 RDCBLOK: Real Device Characteristics
for FB-512 Devices•••• 84.1 RDCBLOK: Real Device Characteristics
for FB-512 Devices(57,!!8-XE1) •••• 84.1 RDEVBLOK: Real Device Block ••••••• 85 RECBLOK: DASD Page (Slot) Allocation
Block• • • • • • • • • • • • • • • • RECPAG: Error Recording Page Record •• RSPLCTL: Real Spooling Control Block • RSPXBLOK: Real Device Extension Block. SAVEAREA • • • • • • • • • • • • • • • SAVTABLE: First Page on Saved System • 89 • 90 • 91 • 91 • 92 DASD. • • • • • • • • • • • • • •••• 93 SDRBLOK: Statistical Data Recording
Block• • • • • • • • • • • • • • • • • 94
SEGTABLE: TranslationSegment Table. • • 95 SFBLOK: Spool File Block • • • • •••• 96 SHQBLOK: Spool Hold Queue Block. • • • • 98
SHRTABLE: Named-SharedSegment Systems Table • • • • • • • • • • • • • • • • • 99 SPLINK: Spool Page Buffer Linkage Block.100 STOBLOK: Segment Table Origin Control Block (,2148-XE1). • • • • • .100.1 SWPTABLE: Swap Table for Virtual Machine Paging ••••••••••••• 101 SYSLOCS: System Low Storage Information
Block.• • • • • • • • • • • .102 SYSTBL: Named System Table. • .103 TNSREC: "T" Type Record Format
(Environmental Recording)• .. • • • • .104 TNSREC: "T" Type Record For ma t
(Environmental Recording).104.1 TNSREC: "T" Type Record Format
(Environmental Recording).104.1 TREXT: Virtual Machine Tracing
Extension toVMBLOK ••• ,' •••••• 105 TRQBLOK: TOD Clock Comparator Request •• 107 UDBFBLOK: User Directory Buffer Block •• 108 UDEVBLOK: User Device Block. • .109 UDIRBLOK: User Directory Block. .110 UMACBLOK: User Machine Block •••••• 111 VIRTU AL I/O CONTROL BLOCKS • • • • • • • 113 Virtual Channel Blocks • • • .113 Virtual Control Unit Blocks •••••• 113 Virtual Device Blocks. • • • • .113 VCHBLOK: Virtual Channel Block. .114 VCONCTL: Virtual Console Control Block .115 VCUBLOK: Virtual Control Unit Block ••• 116 VDEVBLOK: Virtual Device Block ••••• 117 VFCBBLOK: Virtual Forms Control Buffer
Block••••••••••••••••• 120 VMABLOK: Shared Systems Control
Addition toVMBLOK ••••••••••• 120 VMBLOK: Virtual Machine Control Block •• 121 VMCBLOK: Virtual Machine Communication
Block••••••••••••••••• 128 VMCMHDR: VMCF Message Header. .129 VMCPARM: VMCF Parameter List. • .130 VMQBLOK: Virtual Machine Queue
Scheduling Block•• .130.1 VMQBLOK: Virtual Machine Queue
Scheduling Block(2748-XE1) •• .130.1 VRRBLOK: Virtual Reserve/Release Block .131 VSPLCTL: Virtual Spooling Control Block.132 VSPXBLOK: Virtual Spool Extension Block.133 XINTBLOK: External Interrupt Block ••• 134 XOBR3211: Extended Outboard Recording
Block.• • •••••••••••• 135 SECTION 2. CMS DATA AREAS AND CONTROL BLOCKS ••••••••••••••••• 137
ABTAB: Abend TerminationOption Table •• 138 ABWSECT: Abend Recovery Workspace. .139 ADTSECT: Active Disk Table. • .140 AFTSECT: Active File Table • • • • • • .143 ANCHS ECT: Anchor Ta ble • • • • .145 AVRADR: Volume and Device
Characteristics• .146 AVRADR: Volume and Device
Characteristics .146
BATLSECT:CMS Batch User Job Limits ••• 146
BATLSECT:CMS Batch User Job Limits{5748-XX8). • • • .146.2 BATLSECT:-CMS-Satch User Job
Limits(.2148-XE1). • • • • • • 146.2 BBOX: Boundary Box • • • • • • .146 BBOX: Boundary • .146.2 BBOX: Boundary • .146.2 BGCOM: DOS/VS Partition Communication
Region••••••••••••••••• 147
vi IBMVM/370 Data Areas and Control Block Logic
Maintenance
Record
Class
Area. . . . . .
NCPTBL: Named
NPRTBL: Named
PAGTABLE: Translation
REAL
Real Channel Control Blocks.
Real Device Control Blocks
Input/Output Blocks.
Network Interface Control Block.
for FB-512 Devices
for FB-512 Devices
Block
Block
SEGTABLE: Translation
SHRTABLE: Named-Shared
Block.
(Environmental Recording)
(Environmental Recording)
(Environmental Recording)
Extension to
Block
Addition to
Block
Scheduling Block
Scheduling Block
Block.
ABTAB: Abend Termination
Characteristics
Characteristics
BATLSECT:
BATLSECT:
Limits
Region
vi IBM