diff options
author | bryanv <bryanv@FreeBSD.org> | 2014-01-18 06:14:38 +0000 |
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committer | bryanv <bryanv@FreeBSD.org> | 2014-01-18 06:14:38 +0000 |
commit | 31dc7c36cae7dd93f0281619b42e939b55396360 (patch) | |
tree | c79fe0d99bb20ba4f1b31817bc84bee027d9136a /share/man | |
parent | d7e15b8253c1a79d4cc9d2507fdad0e1e576ab1e (diff) | |
download | FreeBSD-src-31dc7c36cae7dd93f0281619b42e939b55396360.zip FreeBSD-src-31dc7c36cae7dd93f0281619b42e939b55396360.tar.gz |
Add very simple virtio_random(4) driver to harvest entropy from host
Reviewed by: markm (random bits only)
Diffstat (limited to 'share/man')
-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 3d5fd120..edfb41d 100644 --- a/share/man/man4/Makefile +++ b/share/man/man4/Makefile @@ -543,6 +543,7 @@ MAN= aac.4 \ ${_virtio.4} \ ${_virtio_balloon.4} \ ${_virtio_blk.4} \ + ${_virtio_random.4} \ ${_virtio_scsi.4} \ vkbd.4 \ vlan.4 \ @@ -787,6 +788,7 @@ _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 . |