Re: MSI-X not enabled for ixgbe device-passthrough

[Sheng Yang <sheng@linux.intel.com>]

On Wednesday 24 March 2010 23:54:15 Hannes Reinecke wrote:
> Hi all,
> 
> I'm trying to setup a system with device-passthrough for
> an ixgbe NIC.
> The device itself seems to work, but it isn't using MSI-X.
> So some more advanced features like DCB offloading etc
> won't work.

How about lspci result in the guest?

And some guest dmesg would also help.

-- 
regards
Yang, Sheng

> 
> lspci output of the device:
> 07:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit Network
>  Connection (rev 01) Subsystem: Intel Corporation Ethernet Server Adapter
>  X520-2 Flags: bus master, fast devsel, latency 0, IRQ 24
>         Memory at f5c80000 (64-bit, prefetchable) [size=512K]
>         I/O ports at 5000 [size=32]
>         Memory at f5c70000 (64-bit, prefetchable) [size=16K]
>         [virtual] Expansion ROM at e7100000 [disabled] [size=512K]
>         Capabilities: [40] Power Management version 3
>         Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+
>  Count=1/1 Enable- Capabilities: [70] MSI-X: Enable+ Mask- TabSize=64
>         Capabilities: [a0] Express Endpoint, MSI 00
>         Capabilities: [100] Advanced Error Reporting
>                 UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
>  RxOF- MalfTLP- ECRC- UnsupReq+ ACSVoil- UEMsk:  DLP- SDES- TLP- FCP-
>  CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSVoil-
>  UESvrt: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP-
>  ECRC- UnsupReq- ACSVoil- CESta:  RxErr- BadTLP- BadDLLP- Rollover-
>  Timeout- NonFatalErr+ CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout-
>  NonFatalErr- AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+
>  ChkEn- Capabilities: [140] Device Serial Number 40-9e-3c-ff-ff-21-1b-00
>  Capabilities: [150] Alternative Routing-ID Interpretation (ARI) ARICap:
>  MFVC- ACS-, Next Function: 1
>                 ARICtl: MFVC- ACS-, Function Group: 0
>         Capabilities: [160] Single Root I/O Virtualization (SR-IOV)
>                 IOVCap: Migration-, Interrupt Message Number: 000
>                 IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy+
>                 IOVSta: Migration-
>                 Initial VFs: 64, Total VFs: 64, Number of VFs: 64, Function
>  Dependency Link: 00 VF offset: 128, stride: 2, Device ID: 10ed
>                 Supported Page Size: 00000553, System Page Size: 00000001
>                 VF Migration: offset: 00000000, BIR: 1
>         Kernel driver in use: ixgbe
>         Kernel modules: ixgbe
> 
> please let me know if you need more information.
> 
> Cheers,
> 
> Hannes
>