freebsd-skq/usr.sbin/bhyvectl/bhyvectl.8
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.Dd May 4, 2020
.Dt BHYVECTL 8
.Os
.Sh NAME
.Nm bhyvectl
.Nd "control utility for bhyve instances"
.Sh SYNOPSIS
.Nm
.Fl -vm= Ns Ar <vmname>
.Op Fl -create
.Op Fl -destroy
.Op Fl -get-stats
.Op Fl -inject-nmi
.Op Fl -force-reset
.Op Fl -force-poweroff
.Op Fl -checkpoint= Ns Ar <filename>
.Op Fl -suspend= Ns Ar <filename>
.Sh DESCRIPTION
The
.Nm
command is a control utility for active
.Xr bhyve 8
virtual machine instances.
.Pp
.Em Note :
Most
.Nm
flags are intended for querying and setting the state of an active instance.
These commands are intended for development purposes, and are not documented here.
A complete list can be obtained by executing
.Nm
without any arguments.
.Pp
The user-facing options are as follows:
.Bl -tag -width ".Fl d Ar argument"
.It Fl -vm= Ns Ar <vmname>
Operate on the virtual machine
.Ar <vmname> .
.It Fl -create
Create the specified VM.
.It Fl -destroy
Destroy the specified VM.
.It Fl -get-stats
Retrieve statistics for the specified VM.
.It Fl -inject-nmi
Inject a non-maskable interrupt (NMI) into the VM.
.It Fl -force-reset
Force the VM to reset.
.It Fl -force-poweroff
Force the VM to power off.
.It Fl -checkpoint= Ns Ar <filename>
Save a snapshot of a virtual machine.
The guest memory contents are saved in the file given in
.Ar <filename> .
The guest device and vCPU state are saved in the file
.Ar <filename>.kern .
.It Fl -suspend= Ns Ar <filename>
Save a snapshot of a virtual machine similar to
.Fl -checkpoint .
The virtual machine will terminate after the snapshot has been
saved.
.El
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
Destroy the VM called fbsd10:
.Pp
.Dl "bhyvectl --vm=fbsd10 --destroy"
.Sh COMPATIBILITY
The snapshot file format is not yet stable and is subject to future changes.
Backwards compatibility support for the current snapshot file format is not
guaranteed when future changes are made.
.Sh SEE ALSO
.Xr bhyve 8 ,
.Xr bhyveload 8
.Sh HISTORY
The
.Nm
command first appeared in
.Fx 10.1 .
.Sh AUTHORS
.An -nosplit
The
.Nm
utility was written by
.An Peter Grehan
and
.An Neel Natu .