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
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