1.\" $OpenBSD: vmt.4,v 1.10 2021/01/15 06:16:21 jmatthew Exp $ 2.\" 3.\" Copyright (c) 2008 Marco Peereboom <marco@openbsd.org> 4.\" Text was heavily borrowed from the IPMI spec V1.5 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.Dd $Mdocdate: January 15 2021 $ 18.Dt VMT 4 19.Os 20.Sh NAME 21.Nm vmt 22.Nd VMware Tools driver 23.Sh SYNOPSIS 24.Cd "vmt0 at pvbus0" 25.Sh DESCRIPTION 26The 27.Nm 28driver is a kernel level implementation of VMware Tools. 29VMware Tools are intended to provide better support for operating systems 30running inside virtual machines. 31.Pp 32.Nm 33handles shutdown and reboot requests from the host by signalling 34.Xr init 8 35with 36.Dv SIGUSR2 37and 38.Dv SIGINT 39respectively. 40.Nm 41will log notifications that the guest has been suspended or resumed by the 42host. 43It also provides access to the host machine's clock as a timedelta sensor. 44.Pp 45.Nm 46reports the guest's hostname and all non-loopback IP addresses to the host. 47.Sh SEE ALSO 48.Xr pvbus 4 , 49.Xr init 8 , 50.Xr sensorsd 8 , 51.Xr sysctl 8 52.Pp 53A 54.Sy vmwh 55helper program is available via 56.Xr packages 7 . 57.Sh HISTORY 58The 59.Nm 60driver first appeared in 61.Ox 4.4 . 62.Sh AUTHORS 63The 64.Nm 65driver was written by 66.An David Gwynne Aq Mt dlg@openbsd.org . 67