[vfio-users] Attempting IGD Passthrough on Kaby Lake

[simon]

Hello Kyle!
 
Thanks for your reply, I made the UEFI changes and voila, I get a output! I also
disabled efifb & vesafb at the kernel boot commandline.
 
Fun fact, if I run lspci -vvs 00:02 now i get:
 
00:02.0 VGA compatible controller: Intel Corporation Device 5912 (rev 04)
(prog-if 00 [VGA controller])
    Subsystem: Micro-Star International Co., Ltd. [MSI] Device 7a66
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx+
    Latency: 0, Cache Line Size: 64 bytes
    Interrupt: pin A routed to IRQ 338
    Region 0: Memory at dd000000 (64-bit, non-prefetchable) [size=16M]
    Region 2: Memory at b0000000 (64-bit, prefetchable) [size=256M]
    Region 4: I/O ports at f000 [size=64]
    [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
    Capabilities: [40] Vendor Specific Information: Len=0c <?>
    Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI 00
        DevCap:    MaxPayload 128 bytes, PhantFunc 0
            ExtTag- RBE+
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
            RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
            MaxPayload 128 bytes, MaxReadReq 128 bytes
        DevSta:    CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
        DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-, OBFF Not
Supported
        AtomicOpsCap: 32bit- 64bit- 128bitCAS-
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF
Disabled
        AtomicOpsCtl: ReqEn-
    Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Address: fee00018  Data: 0000
    Capabilities: [d0] Power Management version 2
        Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [100 v1] Process Address Space ID (PASID)
        PASIDCap: Exec- Priv-, Max PASID Width: 14
        PASIDCtl: Enable+ Exec- Priv-
    Capabilities: [200 v1] Address Translation Service (ATS)
        ATSCap:    Invalidate Queue Depth: 00
        ATSCtl:    Enable+, Smallest Translation Unit: 00
    Capabilities: [300 v1] Page Request Interface (PRI)
        PRICtl: Enable+ Reset-
        PRISta: RF- UPRGI- Stopped+
        Page Request Capacity: 00008000, Page Request Allocation: 00000020
    Kernel driver in use: vfio-pci
    Kernel modules: i915
 
Thanks,
simon
 

> Kyle Manna <2bluesc at gmail.com> hat am 6. April 2017 um 21:07 geschrieben:
>
>
> Works for me on a ASRock Z270 + i7-7700k.
>
> Configuration: https://gist.github.com/f91530f56a1d1c98f48482456197f4ee
>
> Also, make sure your UEFI BIOS selects the Intel GPU as the primary
> graphics adapter. You should see the system boot up on the IGD
> display until your external GPU drivers are loaded.
>
> - Kyle
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