PWB1/usr/man/man5/master.5

.th MASTER V 5/31/77
.sh NAME
master \- master device information table
.sh DESCRIPTION
This file is used by the
.it config\^\c
(VIII)
program to obtain device configuration information that enables
it to generate the
.it low.s
and
.it conf.c
files.
.s3
The file consists of two parts, separated by a line with
a dollar sign ($) in column 1.
Part one contains device information, while part two contains
names
of devices that have aliases.
Any line with an asterisk (*) in column 1 is treated as a comment.
.s3
Part one contains lines consisting of at least 10 fields
and at most 13 fields,
with the fields delimited by tabs and/or blanks, as follows:
.s3
.lp 25 15
Field 1:	device name (8 characters maximum).
.s3
.lp 25 15
Field 2:	interrupt vector size (decimal, in bytes).
.s3
.lp 25 15
Field 3:	device mask \- each ``on'' bit indicates that
the handler exists, as follows:
.s3
.in +5n
.nf
.ta 1i
000020	open  handler
000010	close handler
000004	read  handler
000002	write handler
000001	sgtty handler.
.fi
.in -5n
.s3
.lp 25 15
Field 4:	device type indicator, as follows:
.s3
.in +5n
.nf
.ta 1i
000020	immediate allocation
000010	block device
000004	character device
000002	floating vector
000001	fixed vector.
.fi
.in -5n
.s3
.lp 25 15
Field 5:	handler prefix (4 characters maximum).
.s3
.lp 25 15
Field 6:	device address size (decimal).
.s3
.lp 25 15
Field 7:	major device number for block-type device.
.s3
.lp 25 15
Field 8:	major device number for character-type device.
.s3
.lp 25 15
Field 9:	maximum number of devices per controller (decimal).
.s3
.lp 25 15
Field 10:	maximum bus request level (4 through 7).
.s3
.lp 25 15
Fields 11-13:	optional configuration table structure declarations
(8 characters maximum).
.i0
.s3
Part two contains lines with two fields each, as follows:
.s3
.lp 25 15
Field 1:	alias of device (8 characters maximum).
.s3
.lp 25 15
Field 2:	reference name of device (8 characters maximum,
must have occurred in part one).
.i0
.sh "SEE ALSO"
config(VIII)