Page of SY20-0884=3 As Updated Aug. 1r 1979 by TNL SN25-0497 Contents
The entries in this Table of Contents are accumulative. They list additions to this
publication by the following VM/370 System Control Program Products: • VM/370 Basic System Extensions r Program Number 5748-XX8 • VM/370 System Extensions r Program Number 5748-XE1 However r the text within the publication is not accumulative; it only relates to the one SCP program product that is installed on your system. Therefore r there may be topics and
references listed in this Table of contents that are not contained in the body of this
publication. SUMMARY OF AMENDMENTS. • • • • • • • •• ix SECTION 1. CP DATA AREAS and CONTROL BLOCKS •• 9 • • • • • • • • • • e1 ACCTBLOK: User Accounting Block. .2
ACNTBLOK: Accounting Card Buffer Block •• 2
ACTIBLOK: Accounting Information Block 8-XX8). • • • • • • • • • • • • • • .4 ACTIBLOK: Accounting Information Block (2748-XE1). • • • • • • • • • • • .4 ALOCBLOK: DASD Cylinder Allocation
Block • • • • • • • • • • • • • • .4 ALOCBLOK: DASD Cylinder Allocation
Block •••••••••••• 4.1 ALOCBLOK: DASD Cylinder Allocation
Block (.2148-XE1). • • • • • • • •••• 4.1 ALOFBLOK: FB-512 Extent Allocation Block 8-XX!!). • • • • • • • • • • • .6 ALOFBLOK: FB-512 Extent Allocation Block • • • • • • • • • • • .6 ALOSBLOK: Free TDSK Space Extent Block (.2748-XX.§). • • • • • • • • • • .6.1 ALOSBLOK: Free TDSK Space Extent Block <.2 748- X El). • • • • • • • • • • • 6. 1 ALOTBLOK: FB-512 TDSK Allocation Block (5748-XX8). • • • • • • • • • • .6.1 ALOTBLOK:-FB-512 TDSK Allocation Block <.2 7 4 .§::.!l;l). • • • • • • • • • • • • 6. 1 BSCBlOK: Binary Synchronous
Communication Control Block.. • •• 6 BSCBLOK: Binary Synchronous
Communication Control Block(.2748-XX8) .6.2 BSCBLOK: Binary Synchronous
Communication Control Block(5748=!lj) .6.2 BUFFER. • • • • • • • • • • • • •• .8
CCHREC: Channel Check Handler Record .9 CCPARM: Communications Controller Parameter List ••••••••••••• 11 CHIBLOK and CHYBLOK: Virtual Channel-to-Channel Adapter Control
Blocks. • • • • • • • • • • • • •• 12 CKPBLOK: Telecommunications Checkpoint
Block. • . • • • • • • • • • 14 CONTASK: Console I/O Package • • • • 15
CORTABLE: Storage Allocation Table • 17 CPEXBLOK: CP Execute Block • • • • • 18
DDRREC: Reconfiguration Macro. • • 19
DMPINREC: Dump File Information Record • 20 DMPKYREC: Dump File Key Storage Record • 21 DMPTBREC: Dump File Symbol Table Record. 21
ECBLOK: Extension to VMBlOK for Virtual Machine with Relocate e c : " 22
ERRBLOK: Error Block Used to Build OBR/MDR • • • • • • • • • • • • • 24 IOBLOK: I/O Task Control Block •• • 25 IOERBlOK: I/O Error Information Block •• 27 IRMBLOK: Intensive Error Recording Mode Block • • • • • • • • • • • • •• • 31 JPSCBLOK: Journaling and Password Suppression Control Block • • • • • 32 LOCKBlOK: Userid Lock Control Block ••• 33
MCHAREA: Machine Check Save Area • • • • 34. MCRECORD: Machine Check Handler Record • 37
MDRREC: Miscellaneous Data Recording
Record. • • • • • • • • • • • • • • • • 38 MICBLOK: Virtual Machine Pointer List
for VM/370 Hardware Assist. • • • • • • 39
MIHREC: Missing Interrrupt Handler Error
Record. • • • • • • • • • • • • • • • • 40 MNHDR: VM/370 Monitor Record Header •.• 41 MNOOO: VM/370 Monitor Perform Class
Record. • • • • • • • • • • • •••• 42 MN001: VM/370 Monitor Perform Class
Record. • • • • • • • • • • 45 MN002: Resource Management Data (.274.§-XX8). • • • • • • • • 46 MN002: Resource Management Data • • • • • • • • • • • • 46 MN003: VM/370 System Extension Exclusive
Migration Data ••••••• 46.2 MN097: VM/370 Monitor Header Record ••• 46 MN097: VM/370 Monitor Header Record (.274.§-XX8). • • • • • • • • .. • • • • 46.3 MN097: VM/370 Monitor Header Record (.2748-X.£;1) •••••••••••••• 46.3 MN098: VM/370 Monitor Trailer Record •• 46 MN098: VM/370 Monitor Trailer
Record (.2148::X!.§). • • • • • •• • 46.3 MN098: VM/370 Monitor Trailer • • • • • •• • 46.3 MN099: VM/370 Monitor suspension Record. 41 MN10X: VM/370 Monitor Response Class
Record. • • • • • • • • • • • • • • • • 47 MN20X: VM/370 Monitor Scheduler Class
Record ••••••••••••••••• 48
Contents v

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
Maintenance User 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: Named 370X Control Program Table 60 NICBLOK: Network Interface Control Block 61
NPRTBL: Named 3800 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: Translation Page Table • • • • 67 PGBLOK: Pseudo Page Fault Stack Block. • 68 PSA: Prefix Storage Area (Low Storage Locations). • • • • • • • • • • • • 69 PWDIBLOK: Password Invalid Block • • 78
REAL I/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: Translation Segment Table. • • 95 SFBLOK: Spool File Block • • • • •••• 96 SHQBLOK: Spool Hold Queue Block. • • • • 98
SHRTABLE: Named-Shared Segment 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 to VMBLOK ••• ,' •••••• 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 to VMBLOK ••••••••••• 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 Termination Option 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 IBM VM/370 Data Areas and Control Block Logic