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Annotation of lucent/sys/man/3/wren, revision 1.1

1.1     ! root        1: .TH WREN 3 
        !             2: .SH NAME
        !             3: wren, ata \- hard disk interface
        !             4: .SH SYNOPSIS
        !             5: .B bind
        !             6: .BI #H[ drive ]
        !             7: .B /dev
        !             8: .br
        !             9: .B bind
        !            10: .BI #w[ target [. lun ]]
        !            11: .B /dev
        !            12: 
        !            13: .nf
        !            14: .B /dev/hd0disk
        !            15: .B /dev/hd0partition
        !            16: .B /dev/sd0disk
        !            17: .B /dev/sd0partition
        !            18:  ...
        !            19: .fi
        !            20: .SH DESCRIPTION
        !            21: .PP
        !            22: The hard disk interfaces
        !            23: .RI ( wren ,
        !            24: .BR #w ,
        !            25: is a SCSI disk;
        !            26: .IR ata ,
        !            27: .BR #H ,
        !            28: is an IDE or ATA disk)
        !            29: serve a one-level directory giving access to the
        !            30: hard disk partitions.
        !            31: The parameter to
        !            32: .B attach
        !            33: defines the numerical SCSI
        !            34: .I target
        !            35: and logical unit number
        !            36: or the IDE
        !            37: .I drive
        !            38: number to access.
        !            39: Both default to zero.
        !            40: .PP
        !            41: Each partition name is prefixed by 
        !            42: .B hd
        !            43: and the numeric drive identifier.
        !            44: The partition
        !            45: .L disk
        !            46: always exists and covers the entire disk.
        !            47: The size of each partition as reported by
        !            48: .IR stat (2)
        !            49: is the number of bytes
        !            50: in the partition, so the size of
        !            51: .L disk
        !            52: is the size of the entire disk.
        !            53: .PP
        !            54: The partition
        !            55: .L partition
        !            56: also always exists; it is the last block on the disk for SCSI, second to last
        !            57: for IDE.
        !            58: If it contains valid partition data, those partitions will be visible as well.
        !            59: Every time the device is bound, the partitions are updated to reflect any changes
        !            60: in the partition file.
        !            61: .PP
        !            62: The format of the
        !            63: .B partition
        !            64: file is the string
        !            65: .IP
        !            66: .B
        !            67: plan9 partitions
        !            68: .PP
        !            69: on a line,
        !            70: followed by partition specifications, one per line, consisting of a name
        !            71: and textual strings for the block start and limit for each partition on the disk.
        !            72: .PP
        !            73: The program
        !            74: .IR prep (8)
        !            75: writes the
        !            76: .B partition
        !            77: table for the disk; its use is preferred to writing it by hand.
        !            78: .SH SEE ALSO
        !            79: .IR prep (8),
        !            80: .IR scsi (3)
        !            81: .SH SOURCE
        !            82: .B /sys/src/9/port/devwren.c
        !            83: .br
        !            84: .B /sys/src/9/pc/devata.c

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