[vfio-users] UEFI + PCI USB Device

Sun Nov 1 16:15:42 UTC 2015

Well, I'm intereted in this issue too. Buying an additional pci usb card
and don't want to get stuck in the same situation...

2015-11-01 12:35 GMT+01:00 Blank Field <ihatethisfield at gmail.com>:

> Reply to the list. Use reply all button.
>
> I have no idea how to sort out your issue:(
> On Nov 1, 2015 8:56 AM, "Brett Foster" <fosterb at edgeandvertex.org> wrote:
>
>> Just to follow up -- the comment in the source code is this:
>>
>> // After Chip Hardware Reset wait until the Controller Not Ready (CNR)
>> flag
>> // in the USBSTS is '0' before writing any xHC Operational or Runtime
>> registers.
>>
>> I assume the card is getting stuck in a CNR state. Maybe it's another one
>> of those improperly implemented reset situations.
>>
>> On Sat, Oct 31, 2015 at 10:42 PM, Brett Foster <fosterb at edgeandvertex.org
>> > wrote:
>>
>>> Hi,
>>>
>>> Neat. So I enabled the logging and we get this....
>>>
>>> XhcCreateUsb3Hc: Capability length 0x20
>>> XhcCreateUsb3Hc: HcSParams1 0x8000820
>>> XhcCreateUsb3Hc: HcSParams2 0x24000011
>>> XhcCreateUsb3Hc: HcCParams 0x14051C7
>>> XhcCreateUsb3Hc: DBOff 0x800
>>> XhcCreateUsb3Hc: RTSOff 0x600
>>> XhcCreateUsb3Hc: UsbLegSupOffset 0x0
>>> XhcCreateUsb3Hc: DebugCapSupOffset 0x50
>>> XhcSetBiosOwnership: called to set BIOS ownership
>>> XhcResetHC!
>>> ASSERT
>>> /home/jenkins/workspace/edk2/rpmbuild/rpm/BUILD/edk2.git/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c(2032):
>>> !((((BOOLEAN)(((XhcReadOpReg ((Xhc), (0x0004))) & ((0x00000800))) ==
>>> ((0x00000800))))))
>>>
>>> I feel like this issue is going to be much harder to debug than it is
>>> worth. Full log is attached.
>>>
>>>
>>> On Fri, Oct 30, 2015 at 11:42 PM, Blank Field <ihatethisfield at gmail.com>
>>> wrote:
>>>
>>>> Add isa debug console to your script:
>>>> -global isa-debugcon.iobase=0x402 \
>>>> -debugcon file:"debug.log"
>>>> OVMF will print out verbose debug messages to $(pwd)/debug.log
>>>> On Oct 31, 2015 6:27 AM, "Brett Foster" <fosterb at edgeandvertex.org>
>>>> wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> So I've been fumbling my way through setting up a virtual machine with
>>>>> GPU pass through. I was able to get UEFI + ATI R5 230 to windows 8.1
>>>>> installer. Great... now I wanted to add a PCI USB 3.0 card to the VM. When
>>>>> I do, the VM locks up at the main OVMF screen that says "TianoCore" and so
>>>>> many bytes of system memory tested.
>>>>>
>>>>> Unlike the GPU I found I couldn't figure out great way to prevent the
>>>>> standard linux drivers from picking up the device before being able to map
>>>>> to vfio-pci. So I unbind the device when booting:
>>>>>
>>>>> echo 0000:04:00.0 > /sys/bus/pci/drivers/xhci_hcd/unbind
>>>>>
>>>>> Thoughts?
>>>>>
>>>>> Kernel: 4.0.4-301.fc22.x86_64
>>>>> Qemu: qemu-2.3.0-3.fc22
>>>>>
>>>>> The only seemingly relevant messages in the kernel log are:
>>>>> [ 6209.596712] vfio-pci 0000:05:00.1: enabling device (0400 -> 0402)
>>>>> [ 6209.619946] vfio-pci 0000:04:00.0: enabling device (0400 -> 0402)
>>>>>
>>>>> The card is on its own group:
>>>>> /sys/kernel/iommu_groups/13/devices/0000:04:00.005:00.0 VGA compatible
>>>>> controller [0300]:
>>>>> The GPU is on these groups:
>>>>> /sys/kernel/iommu_groups/14/devices/0000:05:00.0
>>>>> /sys/kernel/iommu_groups/14/devices/0000:05:00.1
>>>>>
>>>>> 04:00.0 USB controller [0c03]: Renesas Technology Corp. uPD720201 USB
>>>>> 3.0 Host Controller [1912:0014] (rev 03) (prog-if 30 [XHCI])
>>>>>     Subsystem: Renesas Technology Corp. uPD720201 USB 3.0 Host
>>>>> Controller [1912:0014]
>>>>>     Flags: bus master, fast devsel, latency 0, IRQ 19
>>>>>     Memory at f7200000 (64-bit, non-prefetchable) [size=8K]
>>>>>     Capabilities: <access denied>
>>>>>     Kernel driver in use: vfio-pci
>>>>> Advanced Micro Devices, Inc. [AMD/ATI] Caicos PRO [Radeon HD 7450]
>>>>> [1002:677b] (prog-if 00 [VGA controller])
>>>>>     Subsystem: ASUSTeK Computer Inc. Device [1043:3025]
>>>>>     Flags: bus master, fast devsel, latency 0, IRQ 16
>>>>>     Memory at e0000000 (64-bit, prefetchable) [size=256M]
>>>>>     Memory at f7120000 (64-bit, non-prefetchable) [size=128K]
>>>>>     I/O ports at c000 [size=256]
>>>>>     Expansion ROM at f7100000 [disabled] [size=128K]
>>>>>     Capabilities: <access denied>
>>>>>     Kernel driver in use: vfio-pci
>>>>>     Kernel modules: radeon
>>>>>
>>>>> 05:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI]
>>>>> Caicos HDMI Audio [Radeon HD 6400 Series] [1002:aa98]
>>>>>     Subsystem: ASUSTeK Computer Inc. Device [1043:aa98]
>>>>>     Flags: bus master, fast devsel, latency 0, IRQ 17
>>>>>     Memory at f7140000 (64-bit, non-prefetchable) [size=16K]
>>>>>     Capabilities: <access denied>
>>>>>     Kernel driver in use: vfio-pci
>>>>>     Kernel modules: snd_hda_intel
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> vfio-users mailing list
>>>>> vfio-users at redhat.com
>>>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>>>
>>>>>
>>>
>>
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