From: Keir Fraser Date: Wed, 6 Aug 2008 09:56:58 +0000 (+0100) Subject: vtd: Update vtd.txt X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14165^2~4 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=3a72ce74b806c827b1ce18c8c870d35c11f6bbde;p=xen.git 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 --- 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 Weidong Han 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 ---------------------------------------------