From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=51900 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PAjjd-0006YG-Qp for qemu-devel@nongnu.org; Tue, 26 Oct 2010 09:38:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PAjjb-0003YB-7v for qemu-devel@nongnu.org; Tue, 26 Oct 2010 09:38:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:14314) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PAjja-0003Xz-VP for qemu-devel@nongnu.org; Tue, 26 Oct 2010 09:38:39 -0400 Date: Tue, 26 Oct 2010 15:38:36 +0200 From: Gleb Natapov Subject: Re: [Qemu-devel] [PATCH 0/5] boot order specification Message-ID: <20101026133836.GI26191@redhat.com> References: <1288090091-25874-1-git-send-email-gleb@redhat.com> <4CC6CC53.5040601@nsn.com> <20101026130759.GE26191@redhat.com> <4CC6D92A.9000009@nsn.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4CC6D92A.9000009@nsn.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bernhard Kohl Cc: qemu-devel@nongnu.org On Tue, Oct 26, 2010 at 03:35:38PM +0200, Bernhard Kohl wrote: > Am 26.10.2010 15:07, schrieb ext Gleb Natapov: > >On Tue, Oct 26, 2010 at 02:40:51PM +0200, Bernhard Kohl wrote: > >>Am 26.10.2010 12:48, schrieb ext Gleb Natapov: > >>>This is current sate of the patch series for people to comment on. > >>>I dropped ioport double reservation checking from isa-bus and added > >>>bus_id field for IDE bus since as Markus pointed out unit has different > >>>meaning there. > >>> > >>>This patch series produce names like: > >>> > >>>ISA@03f1-03f5,03f7/fd@a > >>>ISA@03f1-03f5,03f7/fd@b > >>>PCI@0000:00:01.1/IDE@1:0 > >>>PCI@0000:00:01.1/IDE@1:1 > >>>PCI@0000:00:03.0/virtio-blk@0 > >>>PCI@0000:00:04.0/virtio-net@0 > >>Are PCI pass-through devices (SR-IOV NICs) also supported? > >Don't see any problem. They are regular PCI devices as seen by > >guest, correct? > > Yes, that's true. And we add a bootrom on the qemu command line. > But this is already working and would not be changed. > > >So I expect path to them will look like this: > >PCI@0000:00:04.0/nic@0 > > Yes, that would be fine. I assume that each boot NIC, > e.g. e1000 gets its name here. > Each boot nic sits on different PCI bus, so in fact nic (or virtio-net) part is somewhat redundant. Each nic with specified bootindex will be listed here. > >>I assume that hw/device-assignment.c is missing from the changed files. > >>Our systems highly depend on PXE booting from these devices. > >> > >The patch is only an example. I converted only virtio-net to support > >bootindex ATM. > > > >-- > > Gleb. > > -- Gleb.