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Re: [Qemu-devel] [RFC] QOMification of AXI stream

From: Edgar E. Iglesias
Subject: Re: [Qemu-devel] [RFC] QOMification of AXI stream
Date: Mon, 11 Jun 2012 16:38:04 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, Jun 11, 2012 at 02:39:56PM +0100, Peter Maydell wrote:
> On 11 June 2012 14:15, Anthony Liguori <address@hidden> wrote:
> > From what you said earlier, it's basically:
> >
> > 'write data to this address'
> > 'read data from this address'
> >
> > An interface that implements this is DMAContext.  Forget about the fact that
> > 'DMA' is in the name.  It's really the symmetric version of a MemoryRegion.
> ...so can we fix the name?
> Ideally the interface used by DMA controllers should be identical to
> the interface used by CPUs to talk to the rest of the system: it's
> exactly the same bus interface in hardware, after all.

I thought we were talking about the interface between the DMA ctrl
and the I/O (devices). Not between the DMA and the "memory" bus system.


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