From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael S. Tsirkin Date: Thu, 22 Oct 2015 15:51:51 +0300 Subject: [Intel-wired-lan] [Qemu-devel] [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf" In-Reply-To: <5627FB20.3020003@gmail.com> References: <1445445464-5056-1-git-send-email-tianyu.lan@intel.com> <1445445464-5056-6-git-send-email-tianyu.lan@intel.com> <5627FB20.3020003@gmail.com> Message-ID: <20151022155111-mutt-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On Wed, Oct 21, 2015 at 01:52:48PM -0700, Alexander Duyck wrote: > Also have you even considered the MSI-X configuration on the VF? I haven't > seen anything anywhere that would have migrated the VF's MSI-X configuration > from BAR 3 on one system to the new system. Hypervisors do this for virtual devices so they can do this for physical devices too. -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:34787 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751352AbbJVMv7 (ORCPT ); Thu, 22 Oct 2015 08:51:59 -0400 Date: Thu, 22 Oct 2015 15:51:51 +0300 From: "Michael S. Tsirkin" To: Alexander Duyck Cc: Lan Tianyu , bhelgaas@google.com, carolyn.wyborny@intel.com, donald.c.skidmore@intel.com, eddie.dong@intel.com, nrupal.jani@intel.com, yang.z.zhang@intel.com, agraf@suse.de, kvm@vger.kernel.org, pbonzini@redhat.com, qemu-devel@nongnu.org, emil.s.tantilov@intel.com, intel-wired-lan@lists.osuosl.org, jeffrey.t.kirsher@intel.com, jesse.brandeburg@intel.com, john.ronciak@intel.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, matthew.vick@intel.com, mitch.a.williams@intel.com, netdev@vger.kernel.org, shannon.nelson@intel.com Subject: Re: [Qemu-devel] [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf" Message-ID: <20151022155111-mutt-send-email-mst@redhat.com> References: <1445445464-5056-1-git-send-email-tianyu.lan@intel.com> <1445445464-5056-6-git-send-email-tianyu.lan@intel.com> <5627FB20.3020003@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <5627FB20.3020003@gmail.com> Sender: linux-pci-owner@vger.kernel.org List-ID: On Wed, Oct 21, 2015 at 01:52:48PM -0700, Alexander Duyck wrote: > Also have you even considered the MSI-X configuration on the VF? I haven't > seen anything anywhere that would have migrated the VF's MSI-X configuration > from BAR 3 on one system to the new system. Hypervisors do this for virtual devices so they can do this for physical devices too. -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf" Date: Thu, 22 Oct 2015 15:51:51 +0300 Message-ID: <20151022155111-mutt-send-email-mst@redhat.com> References: <1445445464-5056-1-git-send-email-tianyu.lan@intel.com> <1445445464-5056-6-git-send-email-tianyu.lan@intel.com> <5627FB20.3020003@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: emil.s.tantilov@intel.com, kvm@vger.kernel.org, linux-pci@vger.kernel.org, qemu-devel@nongnu.org, jesse.brandeburg@intel.com, carolyn.wyborny@intel.com, donald.c.skidmore@intel.com, agraf@suse.de, matthew.vick@intel.com, intel-wired-lan@lists.osuosl.org, jeffrey.t.kirsher@intel.com, yang.z.zhang@intel.com, mitch.a.williams@intel.com, nrupal.jani@intel.com, bhelgaas@google.com, Lan Tianyu , netdev@vger.kernel.org, shannon.nelson@intel.com, eddie.dong@intel.com, linux-kernel@vger.kernel.org, john.ronciak@intel.com, pbonzini@redhat.com To: Alexander Duyck Return-path: Content-Disposition: inline In-Reply-To: <5627FB20.3020003@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On Wed, Oct 21, 2015 at 01:52:48PM -0700, Alexander Duyck wrote: > Also have you even considered the MSI-X configuration on the VF? I haven't > seen anything anywhere that would have migrated the VF's MSI-X configuration > from BAR 3 on one system to the new system. Hypervisors do this for virtual devices so they can do this for physical devices too. -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60654) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZpFLf-0004cA-E4 for qemu-devel@nongnu.org; Thu, 22 Oct 2015 08:52:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZpFLc-00051K-89 for qemu-devel@nongnu.org; Thu, 22 Oct 2015 08:52:03 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42086) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZpFLc-00051G-32 for qemu-devel@nongnu.org; Thu, 22 Oct 2015 08:52:00 -0400 Date: Thu, 22 Oct 2015 15:51:51 +0300 From: "Michael S. Tsirkin" Message-ID: <20151022155111-mutt-send-email-mst@redhat.com> References: <1445445464-5056-1-git-send-email-tianyu.lan@intel.com> <1445445464-5056-6-git-send-email-tianyu.lan@intel.com> <5627FB20.3020003@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5627FB20.3020003@gmail.com> Subject: Re: [Qemu-devel] [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf" List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Duyck Cc: emil.s.tantilov@intel.com, kvm@vger.kernel.org, linux-pci@vger.kernel.org, qemu-devel@nongnu.org, jesse.brandeburg@intel.com, carolyn.wyborny@intel.com, donald.c.skidmore@intel.com, agraf@suse.de, matthew.vick@intel.com, intel-wired-lan@lists.osuosl.org, jeffrey.t.kirsher@intel.com, yang.z.zhang@intel.com, mitch.a.williams@intel.com, nrupal.jani@intel.com, bhelgaas@google.com, Lan Tianyu , netdev@vger.kernel.org, shannon.nelson@intel.com, eddie.dong@intel.com, linux-kernel@vger.kernel.org, john.ronciak@intel.com, pbonzini@redhat.com On Wed, Oct 21, 2015 at 01:52:48PM -0700, Alexander Duyck wrote: > Also have you even considered the MSI-X configuration on the VF? I haven't > seen anything anywhere that would have migrated the VF's MSI-X configuration > from BAR 3 on one system to the new system. Hypervisors do this for virtual devices so they can do this for physical devices too. -- MST