From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc =?UTF-8?B?TWFyw60=?= Subject: Re: [PATCH v4] QEMU fw_cfg DMA interface documentation Date: Mon, 5 Oct 2015 12:06:10 +0200 Message-ID: <20151005120610.4a94ce83@markmb_rh> References: <1443701677-13629-1-git-send-email-markmb@redhat.com> <1443701732-13696-1-git-send-email-markmb@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Stefan Hajnoczi Cc: linux-kernel , Drew , Kevin O'Connor , Gerd Hoffmann , Laszlo , Arnd Bergmann , Rob Herring , Mark Rutland , Alexander Graf , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On Mon, 5 Oct 2015 09:20:55 +0100 Stefan Hajnoczi wrote: > On Thu, Oct 1, 2015 at 1:15 PM, Marc Mar=C3=AD wr= ote: > > +Additionaly, if the DMA interface is available then a read to the > > DMA Address +will return 0x51454d5520434647 ("QEMU CFG" in > > big-endian format). >=20 > What does this mean? > https://www.mail-archive.com/qemu-devel@nongnu.org/msg325546.html Proposed by Kevin O'Connor in v3. (I could not find this thread in gnu.org or gmane archives. It's strange). Thanks Marc