Cray X-MP Manuale utente

RESEARCH,

INC.

CRAY

X-MP

AND

CRAY-1®

COMPUTER

SYSTEMS

IOS

TABLE

DESCRIPTIONS

INTERNAL

REFERENCE

MANUAL

SM-0007

1983,

1984

CRAY

RESEARCH,

INC.

This

manual

parts

thereof

may

not

reproduced

any

form

without

permission

CRAY

RESEARCH,

INC.

RECORD

REVISION

RESEARCH,

INC.

PUBLICATION

NUMBER

SM-0007

Each

time

this

manual

revised

and

reprinted,

all

changes

issued

against

the

version

the

form

change

packets

are

incorporated

into

the

new

version

and

the

new

version

assigned

alphabetic

level.

Between

reprints,

changes

may

issued

against

the

current

version

the

form

change

packets.

Each

change

packet

assigned

numeric

designator,

starting

with

for

the

first

change

packet

each

revision

level.

Every

page

changed

reprint

change

packet

has

the

revision

level

and

change

packet

number

the

lower

righthand

corner.

Changes

psrt

page

are

noted

change

bar

along

the

margin

the

page.

change

bar

the

margin

opposite

the

page

number

indicates

that

the

entire

page

new;

dot

the

same

place

indicates

that

information

has

been

moved

from

one

page

another,

but

has

not

otherwise

cnanged.

Requests

for

copies

Cray

Research,

Inc.

publications

and

comments

about

these

publications

should

directed

to:

CRAY

RESEARCH,

INC.,

1440

Northland

Drive,

Mendota

Heights,

Minnesota

55120

Revision

Description

May,

1983

Original

printing.

January,

1984

This

change

packet

brings

the

manual

into

agreement

with

version

1.13

COS.

October,

1984

This

change

packet

brings

the

manual

into

agreement

with

version

1.14

COS.

Changes

were

made

to:

Console

Support

Tasks

Shared

Memory,

I/O

Stream

Control

Table,

and

Station-shared

Logic

Memory.

Two

sections

were

also

added:

section

User

Channel

Tables,

and

section

DD-4

Disk

Tables.

SM-0007

PREFACE

This

publication

part

set

manuals

written

for

programmers,

analysts,

and

field

engineers

who

have

the

responsibility

installing,

debugging,

and

modifying

the

software

produced

Cray

Research,

Inc.

(CRI)

This

manual

describes

tables

for

the

portions

the

Cray

Operating

System

(COS)

executing

the

I/O

Subsystem.

Publications

this

set

that

describe

the

internal

design

COS

software

are:

SM-0017

SM—

0040

SM-0041

SM-0042

SM-0045

SM-

0046

SM-0072

FORTRAN

(CFT)

Internal

Reference

Manual

COS

EXEC/STP/CSP

Internal

Reference

Manual

COS

Product

Set

Internal

Reference

Manual

Front-End

Protocol

Internal

Reference

Manual

COS

Table

Descriptions

Internal

Reference

Manual

IOS

Software

Internal

Reference

Manual

COS

Simulator

(CSIM)

Internal

Reference

Manual

Manuals

the

set

that

define

procedures

and

external

features

tools

needed

for

installing

and

maintaining

CRI

software

are:

SM-0043

COS

Operational

Procedures

Reference

Manual

SM-0044

COS

Operational

Aids

Reference

Manual

SR-0073

COS

Simulator

(CSIM)

Reference

Manual

This

manual

available

only

tape.

See

your

CRI

site

analyst

for

information.

SM-0007

iii

CONTENTS

PREFACE

iii

INTRODUCTION

1-1

KERNEL

TABLES

AND

QUEUES

2-1

ACTIVITY

DESCRIPTOR

(AD@)

...

2-1

AMSG

DAL

QUEUE

(MIMDALQ)

2-3

BUFFER

MEMORY

DISK

BUFFER

ALLOCATE

TABLE

(BBDISK

BB@)

.....

2-4

BUFFER

MEMORY

MESSAGE

ALLOCATE

TABLE

(BBDAL

BB@)

2-5

BUFFER

MEMORY

SOFTWARE

STACK

ALLOCATE

TABLE

(BBSOFT

BB@)

...

2-6

PACKET

ERROR

CHANNEL

LOG

INFORMATION

(ER$)

2-7

CHANNEL

IOP

CONVERSION

TABLE

(MATT)

2-8

CRT

CHANNEL

TABLE

(BCRT)

2-9

CRT

DEMON

INTERRUPT

QUEUE

(CRTQU)

2-10

CRT

I/O

QUEUES

(BIQU/BOQU)

2-11

CRT

TABLE

(TT@)

2-12

DAL

CHAIN

DESCRIPTOR

(EDES)

2-14

DEMONS

INDEX

TABLE

(DEMONS)

2-15

DISK

ACTIVITY

LINK

(DA@)

2-16

DISK

ACTIVITY

LINK,

EXECUTABLE

(KD@/DA@)

2-18

DISK

ACTIVITY

LINK,

MASTER

(KD@/DA@)

2-21

DISK

CONTROL

BLOCK

TABLE

(DCCB)

2-25

DISK

CONTROL

BLOCK

(DD@/DB@)

2-26

DISK

DEMON

QUEUE

(DISKQ)

2-30

DISK

ERROR

PACKET

(DE@)

2-31

DISK

STRIPED

GROUP

DEVICE

TABLE

(BD@)

2-33

PHYSICAL

UNIT

TABLE

(PUT@)

2-33

ERROR

LOG

BUFFER

TABLE

(ERRBUFF)

2-34

ERROR

LOG

TABLE

(ERRLOG)

....

2-35

EXPANDER

CHANNEL

DEVICE

TABLE

(EXPDCT)

2-37

I/O

BUFFER

CHAIN

DESCRIPTOR

(EBUF)

2-43

I/O

PROCESSOR

TABLE

(EIDA)

2-44

IMMEDIATE

MESSAGE

QUEUE

(MIMMQ)

2-45

IMMEDIATE

TAPE

REQUESTS

QUEUE

(TIMQU)

2-46

INPUT

CHANNEL

TABLE

(CPI@)

2-47

OUTPUT

CHANNEL

TABLE

(CPO@)

2-48

IOP

MESSAGE

CHANNEL

QUEUES

FOR

ACOM

(MAAQ)

2-49

IOP

MESSAGE

CHANNEL

QUEUES

FOR

BCOM

(MBAQ)

2-50

IOP

CHANNEL

CONVERSION

TABLE

(MATX)

2-51

KERNEL

CENTRAL

PROCESSOR

QUEUE

(ECPQ)

2-52

KERNEL

INTERRUPT

JUMP

TABLE

(EITB)

2-53

SM-0007

KERNEL

TABLES

AND

QUEUES

(continued)

LOCAL

MEMORY

BLOCK

HEADER

(MD@)

2-54

LOCAL

MEMORY

FREE

CHAIN

(EMEM)

2-55

OUTPUT

QUEUE

POINTER

TABLE

(MAOQ)

2-56

OVERLAY

TABLE

ENTRY

(OT@)

2-58

POPCELL

CHAIN

DESCRIPTOR

(MPOPCELL)

2-59

SOFTWARE

STACK

POINTERS

(ESCR

AND

ESMD)

2-60

STORAGE

MODULE

(SM@)

2-61

TAPE

DEMON

QUEUE

REQUESTS

(BXQQ)

2-63

TDEMO

READ

REVERSE

REQUEST

QUEUE

(BYQQ)

2-64

TDEM1

PUSH

QUEUE

(TDMQ)

2-65

TIMER

QUEUE

HEADER

(RTCQUE)

2-66

Event

timer

entry

(TMR@)

2-66

TRACE

CONTROL

TABLE

(TLOC)

2-67

CONCENTRATOR

TABLES

(LM@/DT@)

3-1

CONCENTRATOR

TABLE

(CT$ID)

3-1

DESCRIPTOR

TABLE

3-4

STREAM

DESCRIPTOR

(SD@)

3-6

NSC

ACTIVITY

TABLES

4-1

FRONT-END

CHANNEL

ORDINAL

RESERVATION

TABLE

(COR@)

......

4-1

FRONT-END

CHANNEL

INFORMATION

TABLE

(FEI@)

4-2

INPUT

STATUS

BUFFER

(NSB@)

4-3

MESSAGE

PROPER

(MP@)

4-6

NSC

FRONT-END

TABLE

(NID@)

4-7

NSCIO

TABLE

DEFINITION

(NIO@)

4-8

WRITE

REQUEST

LINK

(NWC@)

4-9

OUTPUT

FUNCTION

BUFFER

(NFB@)

4-10

STATION

TABLES

(C$)

5-1

CONSOLE

DRIVER

TABLE

5-1

CONSOLE

SUPPORT

TASKS

SHARED

MEMORY

($C@/$D0/$F@/$L@/$T@/$B@)

5-2

DEBUG

DISPLAY

DESCRIPTOR

(DD@)

5-4

I/O

STREAM

CONTROL

TABLE

(IO@)

5-5

I/O

STREAM

STATE

TRANSITION

TABLE

ENTRY

(TR@/lOC@/IOS@)

....

5-7

KEYBOARD

COMMAND

TABLE

ENTRY

(CK@)

5-9

KEYBOARD

INPUT

CIRCULAR

BUFFER

(CB@)

5-10

LCP

DESCRIPTOR

TABLE

(DO@)

5-11

OPERATOR

STREAM

CONTROL

TABLE

(OP@)

5-12

PROTOCOL

TASK

LOCAL

MEMORY

(PT@)

5-13

PACKET

STATISTICS

(PKT$)

5-14

STATION

MESSAGE

MAP

ENTRY

(MP)

5-15

STATION

SHARED

BUFFER

MEMORY

(W@)

5-16

STATION

SHARED

LOCAL

MEMORY

(SS@)

5-17

SM-0007

BLOCK

MULTIPLEXER

TABLES

6-1

ALTERNATE

ACTIVITY

TABLE

(PRW@)

6-1

CHANNEL

PROGRAM

WORD

(CPW@)

6-2

CHANNEL

RESPONSE

WORD

(CRW@)

6-5

CHANNEL

TABLE

(CHT@)

6-9

CONTROL

UNIT

TABLE

(CUT@)

6-12

CONTROL-UNIT

BANK

TABLE

(CBT@)

6-14

CONTROL

WORD

LIST

HEADER

(IAW@)

6-15

DEVICE

BANK

TABLE

(DBT@)

6-16

DEVICE

TABLE

(BDV@)

6-17

TAPE

EXEC

TABLES

7-1

BLOCK

RECORD

CONTROL

WORD

DESCRIPTION

(CW@)

7-1

DATA

STREAM

CONTROL

TABLE

(CU@/NX@/BF@)

7-3

READ

REVERSE

BUFFER

TABLE

(RB@)

7-7

TAPE

CONTROL

BLOCK

(DC@)

7-8

TAPE

ERROR

PACKET

(EP@)

7-14

TAPE

REQUEST

PACKET

(TQ@)

7-18

XIOP-BIOP

PACKET

DEFINITIONS

7-25

USER

CHANNEL

TABLES

8-1

USER

CHANNEL

TABLE

(UC@)

8-1

USER

CHANNEL

REQUEST

PACKET

(CR@)

8-6

Open

function

8-8

function

8-8

Read

and

write

functions

8-9

Driver

function

8-10

DP-

DISK

TABLES

9-1

DD-49

DISK

REQUEST

PACKET

(DL@)

9-1

DD-49

DISK

CONTROL

BLOCK

(DK@)

9-3

LOCAL

BUFFER

ENTRY

(LB@)

9-7

BUFFER

MEMORY

CONTROL

BLOCK

(CB@)

9-8

DATA

TRANSFER

REQUEST

(TR@)

9-10

ABORT

TRANSFER

REQUEST

(AR@)

9-11

DD-49

DISK

ERROR

MESSAGE

(EM@)

9-12

DD-49

RETRY

COUNT

TABLE

(R@)

9-15

DD-49

DISK

DEMON

QUEUE

9-17

IOP

MESSAGE

CHANNEL

QUEUE

FOR

ICOM

(MIAQ)

9-18

MEMIO

DEMON

QUEUES

9-19

TRANSFR

DEMON

QUEUE

9-20

SM-0007

vii

TABLE

7-1

Sense

byte

descriptions

7-15

INDEX

SM-

0007

viii

INTRODUCTION

The

tables

and

queues

this

manual

are

organized

and

labeled

according

the

I/O

Subsystem

software

divisions

they

primarily

serve.

The

divisions

and

associated

labels

(K,

follow.

Kernel

tables

and

queues

Concentrator

tables

NSC

activity

tables

Station

tables

Block

multiplexer

tables

Tape

Exec

tables

The

format

for

tables

this

manual

variable

because

all

tables

are

not

constructed

the

same

way.

For

example,

field

names

(assigned

with

the

FIELD

macro)

are

present

for

all

the

station

tables

but

for

few

the

Kernel

tables.

Also,

while

most

tables

are

based

16-bit

parcels,

few

are

constructed

64-bit

words.

Similarly,

the

parcel

numbers

Kernel

tables

are

defined

octal;

the

parcel

numbers

for

most

other

tables,

however,

are

given

decimal.

SM-0007

1-1

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