linux-kernel - Re: Remoteproc: Translating between host and device addresses.

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Message-ID: <CAK=WgbaK_k=d8Qcz5VfXndkPPSgp-ZbFYZ-kV5BDPNgDJvX_6A@mail.gmail.com>
Date:	Mon, 10 Sep 2012 16:52:55 +0300
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Sjur BRENDELAND <sjur.brandeland@...ricsson.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sjur Brændeland <sjurbren@...il.com>
Subject: Re: Remoteproc: Translating between host and device addresses.

Hi Sjur,

On Mon, Sep 10, 2012 at 4:07 PM, Sjur BRENDELAND
<sjur.brandeland@...ricsson.com> wrote:
> But the vring descriptor table will still contain the host's physical address for the
> buffers, right?
> So how can the device then find the device-address of these buffers if we don't
> use an IOMMU and have no address translation from host-physical-address
> to device-address?

Sorry, you're asking very specific questions about something no one
implemented nor really designed yet :)

Do you have a specific problem you're trying to address ?

I'd be happy to help.

Thanks,
Ohad.
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