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| author | Keir Fraser <keir.fraser@citrix.com> | 2007-12-12 10:19:44 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2007-12-12 10:19:44 +0000 |
| commit | 8d8da82349d6e3253462dc22a8221df889ba27b8 (patch) | |
| tree | 1df667bf62be55ac056a6212368bdab8afe26277 /docs/misc/vtd.txt | |
| parent | 05fcdea6688a8b4b702a8eacee1004250a8b0aa4 (diff) | |
| download | xen-8d8da82349d6e3253462dc22a8221df889ba27b8.tar.gz xen-8d8da82349d6e3253462dc22a8221df889ba27b8.tar.bz2 xen-8d8da82349d6e3253462dc22a8221df889ba27b8.zip | |
docs: vtd.txt doc change
Added a note on conventional PCI device passthrough.
Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Diffstat (limited to 'docs/misc/vtd.txt')
| -rw-r--r-- | docs/misc/vtd.txt | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/docs/misc/vtd.txt b/docs/misc/vtd.txt index c33074b84a..1d4e68ce5a 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 : October-24-2007 +Updated : December-11-2007 How to turn on VT-d in Xen -------------------------- @@ -22,7 +22,7 @@ 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 vtd=1 - module /boot/vmlinuz-2.6.18.8-xen root=LABEL=/ ro console=tty0 console=ttyS0,115200,8n1 pciback.hide=(01:00.0)(03:00.0) pciback.verbose_request=1 apic=debug maxcpus=1 + module /boot/vmlinuz-2.6.18.8-xen root=LABEL=/ ro console=tty0 console=ttyS0,115200,8n1 pciback.hide=(01:00.0)(03:00.0) pciback.verbose_request=1 apic=debug module /boot/initrd-2.6.18-xen.img 12) reboot system @@ -32,6 +32,15 @@ title Xen-Fedora Core (2.6.18-xen) "ifconfig" to see if IP address has been assigned to NIC devices. +Caveat on Conventional PCI Device Passthrough +--------------------------------------------- + +VT-d spec specifies that all conventional PCI devices behind a +PCIe-to-PCI bridge have to be assigned to the same domain. + +PCIe devices do not have this restriction. + + VT-d Enabled Systems -------------------- @@ -48,3 +57,4 @@ http://www.dell.com/content/products/category.aspx/optix?c=us&cs=555&l=en&s=biz - HP Compaq: DC7800 http://h10010.www1.hp.com/wwpc/us/en/en/WF04a/12454-12454-64287-321860-3328898.html + |