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$FreeBSD: stable/11/share/man/man4/vmm.4 327974 2018-01-14 20:23:44Z eadler $
.Dd December 19, 2013 .Dt VMM 4 .Os .Sh NAME .Nm vmm.ko .Nd "bhyve virtual machine monitor" .Sh SYNOPSIS
p To load the driver as a module at boot, add this line to .Xr loader.conf 5 : d -literal -offset indent .Cd vmm_load="YES" .Ed
p The module can also be loaded manually with .Xr kldload 8 : d -literal -offset indent kldload vmm .Ed .Sh DESCRIPTION .Nm provides the kernel portion of the .Xr bhyve 4 hypervisor.
p An Intel CPU with VT-x/EPT or AMD CPU with SVM support is required.
p PCI device passthrough to a virtual machine requires hardware with VT-d support. .Sh PCI PASSTHROUGH When the hardware supports VT-d, and .Nm has been loaded at boot time, PCI devices can be reserved for use by the hypervisor. Entries consisting of the PCI .Ar bus Ns / Ns Ar slot Ns / Ns Ar function are added to the .Va pptdevs .Xr loader.conf 5 variable. Additional entries are separated by spaces. Host PCI devices that match an entry will be assigned to the hypervisor and will not be probed by .Fx device drivers. See the .Sx EXAMPLES section below for sample usage.
p A large number of PCI device entries may require a string longer than the 128-character limit of .Xr loader.conf 5 variables. The .Va pptdevs2 and .Va pptdevs3 variables can be used for additional entries. .Sh EXAMPLES Reserve three PCI devices for use by the hypervisor: bus 10 slot 0 function 0, bus 6 slot 5 function 0, and bus 6 slot 5 function 1. d -literal -offset indent pptdevs="10/0/0 6/5/0 6/5/1" .Ed .Sh SEE ALSO .Xr bhyve 4 , .Xr loader.conf 5 , .Xr bhyve 8 , .Xr bhyveload 8 , .Xr kldload 8 .Sh HISTORY .Nm vmm.ko first appeared in .Fx 10.0 . .Sh AUTHORS .An Neel Natu Aq neel@freebsd.org .An Peter Grehan Aq grehan@freebsd.org