1.\" Copyright (c) 2015 Christian Brueffer 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd May 4, 2020 28.Dt BHYVECTL 8 29.Os 30.Sh NAME 31.Nm bhyvectl 32.Nd "control utility for bhyve instances" 33.Sh SYNOPSIS 34.Nm 35.Fl -vm= Ns Ar <vmname> 36.Op Fl -create 37.Op Fl -destroy 38.Op Fl -get-stats 39.Op Fl -inject-nmi 40.Op Fl -force-reset 41.Op Fl -force-poweroff 42.Op Fl -checkpoint= Ns Ar <filename> 43.Op Fl -suspend= Ns Ar <filename> 44.Sh DESCRIPTION 45The 46.Nm 47command is a control utility for active 48.Xr bhyve 8 49virtual machine instances. 50.Pp 51.Em Note : 52Most 53.Nm 54flags are intended for querying and setting the state of an active instance. 55These commands are intended for development purposes, and are not documented here. 56A complete list can be obtained by executing 57.Nm 58without any arguments. 59.Pp 60The user-facing options are as follows: 61.Bl -tag -width ".Fl d Ar argument" 62.It Fl -vm= Ns Ar <vmname> 63Operate on the virtual machine 64.Ar <vmname> . 65.It Fl -create 66Create the specified VM. 67.It Fl -destroy 68Destroy the specified VM. 69.It Fl -get-stats 70Retrieve statistics for the specified VM. 71.It Fl -inject-nmi 72Inject a non-maskable interrupt (NMI) into the VM. 73.It Fl -force-reset 74Force the VM to reset. 75.It Fl -force-poweroff 76Force the VM to power off. 77.It Fl -checkpoint= Ns Ar <filename> 78Save a snapshot of a virtual machine. 79The guest memory contents are saved in the file given in 80.Ar <filename> . 81The guest device and vCPU state are saved in the file 82.Ar <filename>.kern . 83.It Fl -suspend= Ns Ar <filename> 84Save a snapshot of a virtual machine similar to 85.Fl -checkpoint . 86The virtual machine will terminate after the snapshot has been 87saved. 88.El 89.Sh EXIT STATUS 90.Ex -std 91.Sh EXAMPLES 92Destroy the VM called fbsd10: 93.Pp 94.Dl "bhyvectl --vm=fbsd10 --destroy" 95.Sh COMPATIBILITY 96The snapshot file format is not yet stable and is subject to future changes. 97Backwards compatibility support for the current snapshot file format is not 98guaranteed when future changes are made. 99.Sh SEE ALSO 100.Xr bhyve 8 , 101.Xr bhyveload 8 102.Sh HISTORY 103The 104.Nm 105command first appeared in 106.Fx 10.1 . 107.Sh AUTHORS 108.An -nosplit 109The 110.Nm 111utility was written by 112.An Peter Grehan 113and 114.An Neel Natu . 115