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

From: Anthony Liguori
Subject: Re: [Qemu-devel] [RFC] QOMification of AXI stream
Date: Mon, 11 Jun 2012 10:01:08 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1

On 06/11/2012 08:39 AM, 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?

Perhaps we should just make MemoryRegion work in both directions?

Ben/Avi, what do you guys think?


Anthony Liguori

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.

-- PMM

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