From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: MSI-X not enabled for ixgbe device-passthrough Date: Wed, 24 Mar 2010 16:54:15 +0100 Message-ID: <4BAA35A7.2090104@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Sheng Yang To: kvm@vger.kernel.org Return-path: Received: from cantor2.suse.de ([195.135.220.15]:52194 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756394Ab0CXPyR (ORCPT ); Wed, 24 Mar 2010 11:54:17 -0400 Sender: kvm-owner@vger.kernel.org List-ID: 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. lspci output of the device: 07:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit Netwo= rk 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=3D512K] I/O ports at 5000 [size=3D32] Memory at f5c70000 (64-bit, prefetchable) [size=3D16K] [virtual] Expansion ROM at e7100000 [disabled] [size=3D512K] Capabilities: [40] Power Management version 3 Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ C= ount=3D1/1 Enable- Capabilities: [70] MSI-X: Enable+ Mask- TabSize=3D64 Capabilities: [a0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmp= lt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSVoil- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmp= lt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSVoil- UESvrt: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmp= lt- RxOF- MalfTLP- ECRC- UnsupReq- ACSVoil- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonF= atalErr+ CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonF= atalErr- AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap= + ChkEn- Capabilities: [140] Device Serial Number 40-9e-3c-ff-ff-21-1b-0= 0 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, Func= tion Dependency Link: 00 VF offset: 128, stride: 2, Device ID: 10ed Supported Page Size: 00000553, System Page Size: 000000= 01 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 --=20 Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: Markus Rex, HRB 16746 (AG N=FCrnberg)