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[79.176.6.42]) by smtp.gmail.com with ESMTPSA id 27sm12063462qtu.71.2019.11.11.07.08.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Nov 2019 07:08:25 -0800 (PST) Date: Mon, 11 Nov 2019 10:08:20 -0500 From: "Michael S. Tsirkin" To: Jan Kiszka Subject: Re: [RFC][PATCH 2/3] docs/specs: Add specification of ivshmem device revision 2 Message-ID: <20191111100607-mutt-send-email-mst@kernel.org> References: <20191111084327-mutt-send-email-mst@kernel.org> <0b0475c1-2564-f433-46d8-ff1a06c13569@siemens.com> MIME-Version: 1.0 In-Reply-To: <0b0475c1-2564-f433-46d8-ff1a06c13569@siemens.com> X-MC-Unique: Z-QX86njPI2_1-msLwRNSg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: liang yan , Jailhouse , Claudio Fontana , qemu-devel , Markus Armbruster , Hannes Reinecke , Stefan Hajnoczi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, Nov 11, 2019 at 02:59:07PM +0100, Jan Kiszka wrote: > On 11.11.19 14:45, Michael S. Tsirkin wrote: > > On Mon, Nov 11, 2019 at 01:57:11PM +0100, Jan Kiszka wrote: > > > +| Offset | Register | Content = | > > > +|-------:|:-----------------------|:--------------------------------= ---------------------| > > > +| 00h | Vendor ID | 1AF4h = | > > > +| 02h | Device ID | 1110h = | > >=20 > > Given it's a virtio vendor ID, please reserve a device ID > > with the virtio TC. >=20 > Yeah, QEMU's IVSHMEM was always using that. I'm happy to make this finall= y > official. >=20 > Jan And I guess we will just mark it reserved or something right? Since at least IVSHMEM 1 isn't a virtio device. And will you be reusing same ID for IVSHMEM 2 or a new one? >=20 > --=20 > Siemens AG, Corporate Technology, CT RDA IOT SES-DE > Corporate Competence Center Embedded Linux