This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-changelog] [xen-unstable] vtd: Update vtd.txt

To: xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-changelog] [xen-unstable] vtd: Update vtd.txt
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 07 Aug 2008 02:00:18 -0700
Delivery-date: Thu, 07 Aug 2008 02:00:44 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id: BK change log <xen-changelog.lists.xensource.com>
List-post: <mailto:xen-changelog@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to: xen-devel@xxxxxxxxxxxxxxxxxxx
Sender: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx
# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1218016618 -3600
# Node ID 384f819f3ac04b8cb6cc72d94956d3c591547383
# Parent  11aaad01c5e59284a08b4f62e7bd8246673d4783
vtd: Update vtd.txt

Add "iommu=1" option in grub, due to VT-d is not enabled by default.

In addition, describes how to enable MSI/MSI-x for assigned devices.

Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>
 docs/misc/vtd.txt |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff -r 11aaad01c5e5 -r 384f819f3ac0 docs/misc/vtd.txt
--- a/docs/misc/vtd.txt Wed Aug 06 10:54:55 2008 +0100
+++ b/docs/misc/vtd.txt Wed Aug 06 10:56:58 2008 +0100
@@ -2,7 +2,7 @@ Authors : Allen Kay    <allen.m.kay@inte
 Authors : Allen Kay    <allen.m.kay@xxxxxxxxx>
           Weidong Han  <weidong.han@xxxxxxxxx>
 Created : October-24-2007
-Updated : May-07-2008
+Updated : August-06-2008
 How to turn on VT-d in Xen
@@ -21,7 +21,7 @@ 11) "hide" pci device from dom0 as follo
 title Xen-Fedora Core (2.6.18-xen)
         root (hd0,0)
-        kernel /boot/xen.gz com1=115200,8n1 console=com1
+        kernel /boot/xen.gz com1=115200,8n1 console=com1 iommu=1
         module /boot/vmlinuz- root=LABEL=/ ro xencons=ttyS 
console=tty0 console=ttyS0, pciback.hide=(01:00.0)(03:00.0)
         module /boot/initrd-2.6.18-xen.img
@@ -30,6 +30,11 @@ 13) add "pci" line in /etc/xen/hvm.conf 
         pci = [ '01:00.0', '03:00.0' ]
 15) start hvm guest and use "lspci" to see the passthru device and
     "ifconfig" to see if IP address has been assigned to NIC devices.
+Enable MSI/MSI-x for assigned devices
+Add "msi=1" option in kernel line of host grub.
 Caveat on Conventional PCI Device Passthrough

Xen-changelog mailing list

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-changelog] [xen-unstable] vtd: Update vtd.txt, Xen patchbot-unstable <=