From: Pawel Moll <pawel.moll@arm.com>
To: Paul Brook <paul@codesourcery.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Rusty Russell <rusty@rustcorp.com.au>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [RFC 0/4] virtio-mmio transport
Date: Mon, 12 Dec 2011 14:51:31 +0000 [thread overview]
Message-ID: <1323701491.2391.73.camel@hornet.cambridge.arm.com> (raw)
In-Reply-To: <201112121445.27873.paul@codesourcery.com>
On Mon, 2011-12-12 at 14:45 +0000, Paul Brook wrote:
> I suggest that the device to buffer writes to the high part, and construct the
> actual 64-bit value when the low part is written. That allows 32-bit guests
> can ignore the high part entirely.
This sounds good to me. If we define the reset value of both registers
as 0 (which is consistent with "0 = stop" condition) a 32-bit guest will
be able to behave as you are suggesting.
Cool, I will keep this in mind.
Thanks!
Paweł
next prev parent reply other threads:[~2011-12-12 14:51 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-14 14:55 [Qemu-devel] [RFC 0/4] virtio-mmio transport Peter Maydell
2011-11-14 14:55 ` [Qemu-devel] [RFC 1/4] virtio: Add support for guest setting of queue size Peter Maydell
2011-11-14 14:55 ` [Qemu-devel] [RFC 2/4] virtio: Support transports which can specify the vring alignment Peter Maydell
2011-11-14 14:55 ` [Qemu-devel] [RFC 3/4] Add MMIO based virtio transport Peter Maydell
2011-11-14 14:55 ` [Qemu-devel] [RFC 4/4] hw/vexpress.c: Add MMIO " Peter Maydell
2011-11-14 15:41 ` [Qemu-devel] [RFC 0/4] virtio-mmio transport Stefan Hajnoczi
2011-11-16 14:33 ` Paolo Bonzini
2011-11-16 18:41 ` Peter Maydell
2011-11-16 19:56 ` Anthony Liguori
2011-11-17 11:20 ` Pawel Moll
2011-11-17 11:44 ` Paolo Bonzini
2011-12-09 15:16 ` Paul Brook
2011-12-09 15:57 ` Anthony Liguori
2011-12-12 2:52 ` Paul Brook
2011-12-12 11:16 ` Pawel Moll
2011-12-12 14:45 ` Paul Brook
2011-12-12 14:51 ` Pawel Moll [this message]
2011-12-16 5:36 ` Rusty Russell
2011-12-12 12:14 ` Stefan Hajnoczi
2011-12-12 12:28 ` Pawel Moll
2011-12-12 13:12 ` Michael S. Tsirkin
2011-12-12 13:19 ` Pawel Moll
2011-12-12 15:11 ` Stefan Hajnoczi
2011-12-12 15:18 ` Peter Maydell
2011-12-12 15:21 ` Pawel Moll
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