diff options
| author | Keir Fraser <keir.fraser@citrix.com> | 2008-08-06 10:56:58 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-08-06 10:56:58 +0100 |
| commit | 3a72ce74b806c827b1ce18c8c870d35c11f6bbde (patch) | |
| tree | 599c2d6738b28b4dad8dce9ceddda758062f04ca /docs/misc/vtd.txt | |
| parent | f583eb1e3ed0465844c8fb0a1387283696ec5a5a (diff) | |
| download | xen-3a72ce74b806c827b1ce18c8c870d35c11f6bbde.tar.gz xen-3a72ce74b806c827b1ce18c8c870d35c11f6bbde.tar.bz2 xen-3a72ce74b806c827b1ce18c8c870d35c11f6bbde.zip | |
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@intel.com>
Diffstat (limited to 'docs/misc/vtd.txt')
| -rw-r--r-- | docs/misc/vtd.txt | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/docs/misc/vtd.txt b/docs/misc/vtd.txt index 6264463fb0..277321ba23 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 <allen.m.kay@intel.com> Weidong Han <weidong.han@intel.com> Created : October-24-2007 -Updated : May-07-2008 +Updated : August-06-2008 How to turn on VT-d in Xen -------------------------- @@ -21,7 +21,7 @@ How to turn on VT-d in Xen 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-2.6.18.8-xen 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 @@ -32,6 +32,11 @@ title Xen-Fedora Core (2.6.18-xen) "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 --------------------------------------------- |