linux-kernel - Re: [PATCH v4] QEMU fw_cfg DMA interface documentation

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Message-ID: <CAJSP0QVyTAK0zbpUGd_4-4tf=ao_T-j0YcsDuxu0SuR3VFq+2g@mail.gmail.com>
Date:	Mon, 5 Oct 2015 09:20:55 +0100
From:	Stefan Hajnoczi <stefanha@...il.com>
To:	Marc Marí <markmb@...hat.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Drew <drjones@...hat.com>, "Kevin O'Connor" <kevin@...onnor.net>,
	Gerd Hoffmann <kraxel@...hat.com>, Laszlo <lersek@...hat.com>,
	Arnd Bergmann <arnd@...db.de>,
	Rob Herring <rob.herring@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Graf <agraf@...e.de>, devicetree@...r.kernel.org
Subject: Re: [PATCH v4] QEMU fw_cfg DMA interface documentation

On Thu, Oct 1, 2015 at 1:15 PM, Marc Marí <markmb@...hat.com> wrote:
> +Additionaly, if the DMA interface is available then a read to the DMA Address
> +will return 0x51454d5520434647 ("QEMU CFG" in big-endian format).

What does this mean?

Stefan
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