From 53bd75393ffd661479126fc1f6abc27b6892f9f5 Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Fri, 14 Dec 2007 10:22:08 +0000 Subject: [PATCH] docs: Adds VT-d testing combinations and lists OS which VT-d works on. Signed-off-by: Weidong Han --- docs/misc/vtd.txt | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/docs/misc/vtd.txt b/docs/misc/vtd.txt index 1d4e68ce5a..32f1d45b78 100644 --- a/docs/misc/vtd.txt +++ b/docs/misc/vtd.txt @@ -2,7 +2,7 @@ Title : How to do PCI Passthrough with VT-d Authors : Allen Kay Weidong Han Created : October-24-2007 -Updated : December-11-2007 +Updated : December-13-2007 How to turn on VT-d in Xen -------------------------- @@ -41,6 +41,22 @@ PCIe-to-PCI bridge have to be assigned to the same domain. PCIe devices do not have this restriction. +VT-d Works on OS: +----------------- + +1) Host OS: PAE, 64-bit +2) Guest OS: 32-bit, PAE, 64-bit + +Because current Xen doesn't support MSI, for guest OS which uses MSI by default, need to add "pci=nomsi" option on its grub, e.g. RHEL5, FC6. + + +Combinations Tested: +-------------------- + +1) 64-bit host: 32/PAE/64 Linux/XP/Win2003/Vista guests +2) PAE host: 32/PAE Linux/XP/Win2003/Vista guests + + VT-d Enabled Systems -------------------- -- 2.30.2