diff options
author | jhb <jhb@FreeBSD.org> | 2014-07-21 00:21:56 +0000 |
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committer | jhb <jhb@FreeBSD.org> | 2014-07-21 00:21:56 +0000 |
commit | cf1a2223269e3a031a511b90ce2035ffdf9f7420 (patch) | |
tree | 47f56b4d318aeb5e1020c53d57cb9963e35eeb27 /share | |
parent | 25b41d088263e9d1574521319b2e37df9842fd2f (diff) | |
download | FreeBSD-src-cf1a2223269e3a031a511b90ce2035ffdf9f7420.zip FreeBSD-src-cf1a2223269e3a031a511b90ce2035ffdf9f7420.tar.gz |
MFC 260847,264055,264867:
- Add a very simple virtio_random(4) driver for FreeBSD guests to harvest
entropy from hypervisors.
- Add support to bhyve for the virtio RNG entropy-source device to provide
entry to bhyve guests.
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/Makefile | 2 | ||||
-rw-r--r-- | share/man/man4/virtio_random.4 | 61 |
2 files changed, 63 insertions, 0 deletions
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile index 92c8709..3a9af12 100644 --- a/share/man/man4/Makefile +++ b/share/man/man4/Makefile @@ -555,6 +555,7 @@ MAN= aac.4 \ ${_virtio.4} \ ${_virtio_balloon.4} \ ${_virtio_blk.4} \ + ${_virtio_random.4} \ ${_virtio_scsi.4} \ vkbd.4 \ vlan.4 \ @@ -804,6 +805,7 @@ _nxge.4= nxge.4 _virtio.4= virtio.4 _virtio_balloon.4=virtio_balloon.4 _virtio_blk.4= virtio_blk.4 +_virtio_random.4= virtio_random.4 _virtio_scsi.4= virtio_scsi.4 _vmx.4= vmx.4 _vtnet.4= vtnet.4 diff --git a/share/man/man4/virtio_random.4 b/share/man/man4/virtio_random.4 new file mode 100644 index 0000000..a20e868 --- /dev/null +++ b/share/man/man4/virtio_random.4 @@ -0,0 +1,61 @@ +.\" Copyright (c) 2013 Bryan Venteicher +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd December 28, 2013 +.Dt VIRTIO_RANDOM 4 +.Os +.Sh NAME +.Nm virtio_random +.Nd VirtIO Entropy driver +.Sh SYNOPSIS +To compile this driver into the kernel, +place the following lines in your +kernel configuration file: +.Bd -ragged -offset indent +.Cd "device virtio_random" +.Ed +.Pp +Alternatively, to load the driver as a +module at boot time, place the following line in +.Xr loader.conf 5 : +.Bd -literal -offset indent +virtio_random_load="YES" +.Ed +.Sh DESCRIPTION +The +.Nm +device driver provides support for VirtIO entropy devices. +.Pp +The entropy device supplies high-quality randomness from the +hypervisor to the guest. +.Sh SEE ALSO +.Xr random 4 +.Xr virtio 4 +.Sh HISTORY +The +.Nm +driver was written by +.An Bryan Venteicher Aq bryanv@FreeBSD.org . |