From: Peter Maydell <peter.maydell@linaro.org>
To: Eric Auger <eric.auger@linaro.org>
Cc: Joel Schopp <joel.schopp@amd.com>,
Kim Phillips <kim.phillips@freescale.com>,
eric.auger@st.com, Patch Tracking <patches@linaro.org>,
Alexander Graf <agraf@suse.de>, Will Deacon <will.deacon@arm.com>,
QEMU Developers <qemu-devel@nongnu.org>,
Alvise Rigo <a.rigo@virtualopensystems.com>,
Bharat Bhushan <Bharat.Bhushan@freescale.com>,
Alex Williamson <alex.williamson@redhat.com>,
Stuart Yoder <stuart.yoder@freescale.com>,
Antonios Motakis <a.motakis@virtualopensystems.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
Christoffer Dall <christoffer.dall@linaro.org>
Subject: Re: [Qemu-devel] [PATCH v5 10/10] hw/arm/dyn_sysbus_devtree: enable simple VFIO dynamic instantiation
Date: Tue, 19 Aug 2014 09:17:43 +0100 [thread overview]
Message-ID: <CAFEAcA8HiDtxX2jUD9rieUiPM-rtpgpddkjPDjijyk82Fm7DrQ@mail.gmail.com> (raw)
In-Reply-To: <53F2FBC5.7000409@linaro.org>
On 19 August 2014 08:24, Eric Auger <eric.auger@linaro.org> wrote:
> Putting size=1 was the only solution I found to use an offset relative
> to the parent bus instead of an absolute base address. I would explain
> this because, in platform_bus_create_devtree, the function that creates
> the "platform bus" node, #address-cells and #size-cells currently are
> set to 1. I assume the motivation was that bus size was supposed to be
> smaller than 4GB. Then I guess the problem is shifted to the inclusion
> of the platform bus in any ARM platform.
Ah, I see. Yes, if the containing node is setting addr/size to 1
then 1 is correct, and the limitation then is just the 4GB max.
thanks
-- PMM
next prev parent reply other threads:[~2014-08-19 8:18 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-09 14:25 [Qemu-devel] [PATCH v5 00/10] KVM platform device passthrough Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 01/10] vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 02/10] hw/vfio/pci: Rename VFIODevice into VFIOPCIDevice Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 03/10] hw/vfio/pci: introduce VFIODevice Eric Auger
2014-08-12 2:34 ` David Gibson
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 04/10] hw/vfio/pci: Introduce VFIORegion Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 05/10] hw/vfio/pci: split vfio_get_device Eric Auger
2014-08-12 2:41 ` David Gibson
2014-08-12 6:54 ` Eric Auger
2014-08-13 3:32 ` David Gibson
2014-08-29 10:00 ` Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 06/10] hw/vfio: create common module Eric Auger
2014-08-11 19:20 ` Alex Williamson
2014-08-12 5:57 ` Eric Auger
2014-08-11 19:25 ` Alex Williamson
2014-08-12 6:09 ` Eric Auger
2014-08-13 19:59 ` Alex Williamson
2014-09-01 16:31 ` Eric Auger
2014-09-01 17:41 ` Alexander Graf
2014-09-02 7:13 ` Eric Auger
2014-09-02 21:13 ` Alex Williamson
2014-08-20 19:12 ` Joel Schopp
2014-08-20 19:41 ` Alex Williamson
2014-08-20 20:08 ` Joel Schopp
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 07/10] hw/vfio/platform: add vfio-platform support Eric Auger
2014-08-11 9:36 ` Alexander Graf
2014-08-12 7:59 ` Bharat.Bhushan
2014-08-12 16:34 ` Eric Auger
2014-08-11 20:13 ` Alex Williamson
2014-08-12 5:51 ` Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 08/10] hw/intc/arm_gic_kvm: advertise irqfd Eric Auger
2014-08-11 9:37 ` Alexander Graf
2014-08-11 12:04 ` Eric Auger
2014-08-11 12:05 ` Alexander Graf
2014-08-11 12:27 ` Eric Auger
2014-08-11 12:29 ` Alexander Graf
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 09/10] hw/vfio/platform: Add irqfd support Eric Auger
2014-08-09 14:25 ` [Qemu-devel] [PATCH v5 10/10] hw/arm/dyn_sysbus_devtree: enable simple VFIO dynamic instantiation Eric Auger
2014-08-11 9:40 ` Alexander Graf
2014-08-11 11:55 ` Eric Auger
2014-08-18 21:54 ` Joel Schopp
2014-08-18 22:11 ` Peter Maydell
2014-08-18 22:26 ` Joel Schopp
2014-08-19 7:32 ` Eric Auger
2014-08-19 10:59 ` Alexander Graf
2014-08-19 14:15 ` Joel Schopp
2014-08-19 14:29 ` Alexander Graf
2014-08-19 7:24 ` Eric Auger
2014-08-19 8:17 ` Peter Maydell [this message]
2014-08-19 6:59 ` Eric Auger
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