[vbox-dev] ixgbe VF device passthrough into guest

[Liu, Yong]

VirtualBox version is 4.3.20 r96996 with same version Oracle VM VirtualBox Extension Pack.
One tope issue, assigned pci device can't be found in guest.

> -----Original Message-----
> From: Liu, Yong
> Sent: Thursday, February 05, 2015 2:56 PM
> To: 'vbox-dev at virtualbox.org'
> Subject: ixgbe VF device passthrough into guest
> 
> Hi all,
> I want to do ixgbe VF device passthrough by VirtualBox and just met one
> issue.
> After attached VF device and started guest, the assigned pci device can be
> found in guest.
> The detail steps and log listed below. Is there anybody can help me on
> that? Thanks a lot.
> 
> Boot host with iommu enabled.
> Create VF device.
> 	echo 1 > /sys/bus/pci/devices/0000\:0a\:00.0/sriov_numvfs
> Attached VF device to guest.
> 	VBoxManage modifyvm "fedora20" --pciattach 0a:10.0 at 01:05.0
> Start guest.
> 	VBoxManage startvm "fedora20"
> 
> Host log shown that VF device has been bound to pci-stub and iommu enabled.
> 
> [root at test  ~]# dmesg
> [  142.728246] vboxpci: vboxPciOsDevInit: dev=a80
> [  142.728356] vboxpci: detected device: 8086:10ed at 0a:10.0, driver
> ixgbevf
> [  142.740370] pci-stub 0000:0a:10.0: claimed by stub
> [  142.740523] vboxpci: vboxPciOsDevInit: dev=a80 pdev=ffff880828ecb000
> [  142.740536] pci-stub 0000:0a:10.0: enabling device (0000 -> 0002)
> [  142.740657] a80: linux vboxPciOsDevGetRegionInfo: reg=0
> [  142.740660] got mmio region: d0c00000:16384
> [  142.740666] a80: linux vboxPciOsDevGetRegionInfo: reg=2
> [  142.740669] a80: linux vboxPciOsDevGetRegionInfo: reg=3
> [  142.740671] got mmio region: d0b00000:16384
> [  142.740675] a80: linux vboxPciOsDevGetRegionInfo: reg=5
> [  142.740678] a80: linux vboxPciOsDevGetRegionInfo: reg=6
> [  144.356651] created IOMMU domain ffff8808273241c0
> [  144.389967] power state: 0
> [  144.491065] vboxpci: iommu_attach_device() success
> 
> 
> After login into guest and dump all pci device. I can't seen my assigned
> VF device.
> 
> 00:02.0 VGA compatible controller: InnoTek Systemberatung GmbH VirtualBox
> Graphics Adapter
> 00:03.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet
> Controller (rev 02)
> 00:04.0 System peripheral: InnoTek Systemberatung GmbH VirtualBox Guest
> Service
> 00:07.0 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 08)
> 00:18.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2)
> 00:19.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2)
> 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface
> Bridge (rev 02)
> 00:1f.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
> 00:1f.2 SATA controller: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E)
> SATA Controller [AHCI mode] (rev 02)
> 00:1f.4 USB controller: Apple Inc. KeyLargo/Intrepid USB
> 00:1f.5 USB controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6
> Family) USB2 EHCI Controller
> 
> Best Regards,
> Liuyong(Marvin)