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181 lines
4.2 KiB
Groff
181 lines
4.2 KiB
Groff
.\"
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.\" Copyright (c) 2012 NetApp Inc
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 26, 2016
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.Dt BHYVELOAD 8
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.Os
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.Sh NAME
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.Nm bhyveload
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.Nd load a
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.Fx
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guest inside a bhyve virtual machine
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.Sh SYNOPSIS
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.Nm
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.Op Fl C
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.Op Fl S
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.Op Fl c Ar cons-dev
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.Op Fl d Ar disk-path
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.Op Fl e Ar name=value
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.Op Fl h Ar host-path
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.Op Fl l Ar os-loader
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.Op Fl m Ar mem-size
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.Ar vmname
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.Sh DESCRIPTION
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.Nm
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is used to load a
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.Fx
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guest inside a
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.Xr bhyve 4
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virtual machine.
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.Pp
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.Nm
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is based on
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.Xr loader 8
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and will present an interface identical to the
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.Fx
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loader on the user's terminal.
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This behavior can be changed by specifying a different OS loader.
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.Pp
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The virtual machine is identified as
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.Ar vmname
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and will be created if it does not already exist.
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.Sh OPTIONS
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The following options are available:
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.Bl -tag -width indent
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.It Fl c Ar cons-dev
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.Ar cons-dev
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is a
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.Xr tty 4
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device to use for
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.Nm
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terminal I/O.
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.Pp
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The text string "stdio" is also accepted and selects the use of
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unbuffered standard I/O. This is the default value.
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.It Fl d Ar disk-path
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The
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.Ar disk-path
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is the pathname of the guest's boot disk image.
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.It Fl e Ar name=value
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Set the
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.Fx
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loader environment variable
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.Ar name
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to
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.Ar value .
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.Pp
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The option may be used more than once to set more than one environment
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variable.
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.It Fl h Ar host-path
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The
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.Ar host-path
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is the directory at the top of the guest's boot filesystem.
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.It Fl l Ar os-loader
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Specify a different OS loader.
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By default
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.Nm
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will use
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.Pa /boot/userboot.so ,
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which presents a standard
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.Fx
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loader.
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.It Fl m Ar mem-size Xo
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.Sm off
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.Op Cm K | k | M | m | G | g | T | t
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.Xc
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.Sm on
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.Ar mem-size
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is the amount of memory allocated to the guest.
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.Pp
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The
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.Ar mem-size
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argument may be suffixed with one of
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.Cm K ,
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.Cm M ,
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.Cm G
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or
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.Cm T
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(either upper or lower case) to indicate a multiple of
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Kilobytes, Megabytes, Gigabytes or Terabytes
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respectively.
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.Pp
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The default value of
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.Ar mem-size
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is 256M.
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.It Fl C
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Include guest memory in the core file when
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.Nm
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dumps core.
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This is intended for debugging an OS loader as it allows inspection of
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the guest memory.
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.It Fl S
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Wire guest memory.
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.El
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.Sh EXAMPLES
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To create a virtual machine named
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.Ar freebsd-vm
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that boots off the ISO image
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.Pa /freebsd/release.iso
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and has 1GB memory allocated to it:
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.Pp
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.Dl "bhyveload -m 1G -d /freebsd/release.iso freebsd-vm"
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.Pp
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To create a virtual machine named
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.Ar test-vm
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with 256MB of memory allocated, the guest root filesystem under the host
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directory
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.Pa /user/images/test
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and terminal I/O sent to the
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.Xr nmdm 4
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device
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.Pa /dev/nmdm1B
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.Pp
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.Dl "bhyveload -m 256MB -h /usr/images/test -c /dev/nmdm1B test-vm"
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.Sh SEE ALSO
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.Xr bhyve 4 ,
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.Xr nmdm 4 ,
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.Xr vmm 4 ,
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.Xr bhyve 8 ,
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.Xr loader 8
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.Sh HISTORY
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.Nm
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first appeared in
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.Fx 10.0 ,
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and was developed at NetApp Inc.
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.Sh AUTHORS
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.Nm
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was developed by
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.An -nosplit
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.An Neel Natu Aq Mt neel@FreeBSD.org
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at NetApp Inc with a lot of help from
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.An Doug Rabson Aq Mt dfr@FreeBSD.org .
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.Sh BUGS
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.Nm
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can only load
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.Fx
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as a guest.
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