From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: PATCH, RFC: Generic DMA framework
Date: Sat, 25 Aug 2007 01:29:32 +0100 [thread overview]
Message-ID: <200708250129.34058.paul@codesourcery.com> (raw)
In-Reply-To: <46CF6AD2.7040905@bellard.org>
> >> pci_gdma.diff: Convert PCI devices and targets
> >>
> >> Any comments? The patches are a bit intrusive and I can't test the
> >> targets except that they compile.
> >
> > Shouldn't the PCI DMA object be a property of the PCI bus?
> > ie. we don't want/need to pass it round as a separate parameter. It can
> > be inferred form the device/bus.
>
> I agree. Moreover the DMA is bus specific so I don't see a need to add a
> generic DMA layer.
I can see use for a generic DMA interface. It has some nice possibilities for
devices which can connect via a variety of busses and maybe for layering
different busses within a system.
However I don't know how well this will work in practice for the machines qemu
currently emulates.
Paul
next prev parent reply other threads:[~2007-08-25 2:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-14 19:48 [Qemu-devel] PATCH, RFC: Generic DMA framework Blue Swirl
2007-08-16 18:18 ` [Qemu-devel] " Blue Swirl
2007-08-16 19:58 ` malc
2007-08-19 17:46 ` Blue Swirl
2007-08-24 19:40 ` Blue Swirl
2007-08-24 20:18 ` Paul Brook
2007-08-24 23:33 ` Fabrice Bellard
2007-08-25 0:29 ` Paul Brook [this message]
2007-08-26 11:30 ` Fabrice Bellard
2007-08-26 17:54 ` Blue Swirl
2007-08-28 19:03 ` Blue Swirl
2007-08-28 19:43 ` Paul Brook
2007-08-29 17:00 ` Blue Swirl
2007-08-29 20:39 ` Paul Brook
2007-08-29 21:18 ` Paul Brook
2007-09-08 14:07 ` Blue Swirl
2007-09-08 14:31 ` Paul Brook
2007-09-08 14:53 ` Blue Swirl
2007-09-08 16:03 ` Paul Brook
2007-09-15 16:16 ` Blue Swirl
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