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| author | Keir Fraser <keir@xensource.com> | 2007-10-25 09:27:00 +0100 |
|---|---|---|
| committer | Keir Fraser <keir@xensource.com> | 2007-10-25 09:27:00 +0100 |
| commit | 437891b12b76a6f835b0b657d300537c34f21aab (patch) | |
| tree | 84ae7875d3f6dcb1fa342b8509911af64a7bd631 /docs/misc/vtd.txt | |
| parent | ff5d3cc782d80862272982198365e874c674880a (diff) | |
| download | xen-437891b12b76a6f835b0b657d300537c34f21aab.tar.gz xen-437891b12b76a6f835b0b657d300537c34f21aab.tar.bz2 xen-437891b12b76a6f835b0b657d300537c34f21aab.zip | |
vt-d: add a vt-d howto setup document
docs/misc/vtd.txt is a vt-d how-to document that should answer
questions about how to use vt-d with latest Xen.
Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Diffstat (limited to 'docs/misc/vtd.txt')
| -rw-r--r-- | docs/misc/vtd.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/docs/misc/vtd.txt b/docs/misc/vtd.txt new file mode 100644 index 0000000000..c33074b84a --- /dev/null +++ b/docs/misc/vtd.txt @@ -0,0 +1,50 @@ +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 + +How to turn on VT-d in Xen +-------------------------- + +1 ) cd xen-unstable.hg +2 ) make install +3 ) make linux-2.6-xen-config CONFIGMODE=menuconfig +4 ) change XEN->"PCI-device backend driver" from "M" to "*". +5 ) make linux-2.6-xen-build +6 ) make linux-2.6-xen-install +7 ) depmod 2.6.18.8-xen +8 ) mkinitrd -v -f --with=ahci --with=aacraid --with=sd_mod --with=scsi_mod initrd-2.6.18-xen.img 2.6.18.8-xen +9 ) cp initrd-2.6.18-xen.img /boot +10) lspci - select the PCI BDF you want to assign to guest OS +11) "hide" pci device from dom0 as following sample grub entry: + +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/initrd-2.6.18-xen.img + +12) reboot system +13) add "pci" line in /etc/xen/hvm.conf for to assigned devices + 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. + + +VT-d Enabled Systems +-------------------- + +1) For VT-d enabling work on Xen, we have been using development +systems using following Intel motherboards: + - DQ35MP + - DQ35JO + +2) As far as we know, following OEM systems also has vt-d enabled. +Feel free to add others as they become available. + +- Dell: Optiplex 755 +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 |