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+.TH BLKZONE 8 "February 2017" "util-linux" "System Administration"
+.SH NAME
+blkzone \- run zone command on a device
+.SH SYNOPSIS
+.B blkzone
+.I command
+[options]
+.I device
+.SH DESCRIPTION
+.B blkzone
+is used to run zone command on device that support the Zoned Block Commands
+(ZBC) or Zoned-device ATA Commands (ZAC). The zones to operate on can be
+specified using the offset, count and length options.
+.PP
+The
+.I device
+argument is the pathname of the block device.
+.SH COMMANDS
+.SS report
+The command \fBblkzone report\fP is used to report device zone information.
+.PP
+By default, the command will report all zones from the start of the
+block device. Options may be used to modify this behavior, changing the
+starting zone or the size of the report, as explained below.
+
+.B Report output
+.TS
+tab(:);
+l l.
+start:Zone start sector
+len:Zone length in number of sectors
+wptr:Zone write pointer position
+reset:Reset write pointer recommended
+non-seq:Non-sequential write resources active
+cond:Zone condition
+type:Zone type
+.TE
+
+.B Zone conditions
+.TS
+tab(:);
+l l.
+cl:Closed
+nw:Not write pointer
+em:Empty
+fu:Full
+oe:Explicitly opened
+oi:Implicitly opened
+ol:Offline
+ro:Read only
+x?:Reserved conditions (should not be reported)
+.TE
+
+.SS reset
+The command \fBblkzone reset\fP is used to reset one or more zones. Unlike
+.BR sg_reset_wp (8),
+this command operates from the block layer and can reset a range of zones.
+.PP
+By default, the command will operate from the zone at device 
+sector 0 and reset all zones. Options may be used to modify this behavior
+as well as specify the operation to be performed on the zone, as explained below.
+
+.SH OPTIONS
+The
+.I offset
+and
+.I length
+option arguments may be followed by the multiplicative suffixes KiB (=1024),
+MiB (=1024*1024), and so on for GiB, TiB, PiB, EiB, ZiB and YiB (the "iB" is
+optional, e.g., "K" has the same meaning as "KiB") or the suffixes
+KB (=1000), MB (=1000*1000), and so on for GB, TB, PB, EB, ZB and YB.
+Additionally, the 0x prefix can be used to specify \fIoffset\fR and
+\fIlength\fR in hex.
+.TP
+.BR \-o , " \-\-offset "\fIsector\fP
+The starting zone specified as a sector offset. The provided offset in sector
+units (512 bytes) should match the start of a zone. The default value is zero.
+.TP
+.BR \-l , " \-\-length "\fIsectors\fP
+The maximum number of sectors the command should operate on. The default value
+is the number of sectors remaining after \fIoffset\fR. This option cannot be
+used together with the option \fB\-\-count\fP.
+.TP
+.BR \-c , " \-\-count "\fIcount\fP
+The maximum number of zones the command should operate on. The default value
+is the number of zones starting from \fIoffset\fR. This option cannot be
+used together with the option \fB\-\-length\fP.
+.TP
+.BR \-v , " \-\-verbose"
+Display the number of zones returned in the report or the range of sectors
+reset..
+.TP
+.BR \-V , " \-\-version"
+Display version information and exit.
+.TP
+.BR \-h , " \-\-help"
+Display help text and exit.
+.SH AUTHORS
+.nf
+Shaun Tancheff <shaun@tancheff.com>
+Karel Zak <kzak@redhat.com>
+.fi
+.SH SEE ALSO
+.BR sg_rep_zones (8)
+.SH AVAILABILITY
+The blkzone command is part of the util-linux package and is available from
+.UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
+Linux Kernel Archive
+.UE .