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General cleanup.

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Prodded by:	grehan
This commit is contained in:
Christian Brueffer 2012-01-22 10:16:24 +00:00
parent 3742a70580
commit 28083eaa4d
4 changed files with 25 additions and 23 deletions
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21
share/man/man4/virtio.4
View File

@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 4, 2011
.Dd January 22, 2012
.Dt VIRTIO 4
.Os
.Sh NAME
@ -48,24 +48,25 @@ virtio_pci_load="YES"
.Sh DESCRIPTION
VirtIO is a specification for para-virtualized I/O in a virtual machine (VM).
Traditionally, the hypervisor emulated real devices such as an Ethernet
interface or disk controller to provide the VM with I/O. This emulation is
often inefficient.
interface or disk controller to provide the VM with I/O.
This emulation is often inefficient.
.Pp
VirtIO defines an interface for efficient I/O between the hypervisor and VM.
The
.Xr virtio 4
The
.Xr virtio 4
module provides a shared memory transport called a virtqueue.
The
.Xr virtio_pci 4
device driver represents an emulated PCI device that the hypervisor makes
available to the VM. This device provides the probing, configuration, and
interrupt notifications need to interact with the hypervisor.
available to the VM.
This device provides the probing, configuration, and
interrupt notifications needed to interact with the hypervisor.
.Fx
supports the following VirtIO devices:
.Bl -hang -offset indent -width xxxxxxxx
.It Nm Ethernet
An emulated Ethernet device is provided by the
.Xr if_vtnet 4
.Xr vtnet 4
device driver.
.It Nm Block
An emulated disk controller is provided by the
@ -78,9 +79,9 @@ provided by the
device driver.
.El
.Sh SEE ALSO
.Xr if_vtnet 4 ,
.Xr virtio_balloon 4 ,
.Xr virtio_blk 4 ,
.Xr virtio_balloon 4
.Xr vtnet 4
.Sh HISTORY
Support for VirtIO first appeared in
.Fx 9.0 .

6
share/man/man4/virtio_balloon.4
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@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 4, 2011
.Dd January 22, 2012
.Dt VIRTIO_BALLOON 4
.Os
.Sh NAME
@ -51,8 +51,8 @@ device driver provides support for VirtIO memory balloon devices.
.Pp
The memory balloon allows the guest to, at the request of the
hypervisor, return memory allocated to the hypervisor so it can
be made available to other guests. The hypervisor can later
signal the balloon to return the memory.
be made available to other guests.
The hypervisor can later signal the balloon to return the memory.
.Sh SEE ALSO
.Xr virtio 4
.Sh HISTORY

6
share/man/man4/virtio_blk.4
View File

@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 4, 2011
.Dd January 22, 2012
.Dt VIRTIO_BLK 4
.Os
.Sh NAME
@ -48,7 +48,6 @@ virtio_blk_load="YES"
The
.Nm
device driver provides support for VirtIO block devices.
.Pp
.Sh LOADER TUNABLES
Tunables can be set at the
.Xr loader 8
@ -57,7 +56,8 @@ prompt before booting the kernel or stored in
.Bl -tag -width "xxxxxx"
.It Va hw.vtblk.no_ident
This tunable disables retrieving the device identification string
from the hypervisor. The default value is 0.
from the hypervisor.
The default value is 0.
.El
.Sh SEE ALSO
.Xr virtio 4

15
share/man/man4/vtnet.4
View File

@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd July 4, 2011
.Dd January 22, 2012
.Dt VTNET 4
.Os
.Sh NAME
@ -62,7 +62,6 @@ utility configures the adapter to receive and transmit Jumbo Frames.
.Pp
For more information on configuring this device, see
.Xr ifconfig 8 .
.El
.Sh LOADER TUNABLES
Tunables can be set at the
.Xr loader 8
@ -70,19 +69,21 @@ prompt before booting the kernel or stored in
.Xr loader.conf 5 .
.Bl -tag -width "xxxxxx"
.It Va hw.vtnet.csum_disable
This tunable disables receive and send checksum offload. The default
value is 0.
This tunable disables receive and send checksum offload.
The default value is 0.
.It Va hw.vtnet.tso_disable
This tunable disables TSO. The default value is 0.
This tunable disables TSO.
The default value is 0.
.It Va hw.vtnet.lro_disable
This tunable disables LRO. The default value is 0.
This tunable disables LRO.
The default value is 0.
.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr netintro 4 ,
.Xr ng_ether 4 ,
.Xr vlan 4 ,
.Xr virtio 4 ,
.Xr vlan 4 ,
.Xr ifconfig 8
.Sh HISTORY
The