[vfio-users] UEFI + PCI USB Device

[Blank Field]

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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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