From: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
To: mst@redhat.com
Cc: kvm@vger.kernel.org, joro@8bytes.org, qemu-devel@nongnu.org,
blauwirbel@gmail.com, yamahata@valinux.co.jp,
paul@codesourcery.com, avi@redhat.com
Subject: [Qemu-devel] Re: [PATCH 2/7] pci: memory access API and IOMMU support
Date: Mon, 30 Aug 2010 01:11:23 +0300 [thread overview]
Message-ID: <20100829221122.GA8750@localhost> (raw)
In-Reply-To: <1283119703-9781-1-git-send-email-eduard.munteanu@linux360.ro>
On Mon, Aug 30, 2010 at 01:08:23AM +0300, Eduard - Gabriel Munteanu wrote:
> PCI devices should access memory through pci_memory_*() instead of
> cpu_physical_memory_*(). This also provides support for translation and
> access checking in case an IOMMU is emulated.
>
> Memory maps are treated as remote IOTLBs (that is, translation caches
> belonging to the IOMMU-aware device itself). Clients (devices) must
> provide callbacks for map invalidation in case these maps are
> persistent beyond the current I/O context, e.g. AIO DMA transfers.
>
> Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
> ---
Please merge this instead of the patch I sent with the series. I wanted
to avoid resubmitting the whole series.
Eduard
next prev parent reply other threads:[~2010-08-29 22:13 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-28 14:54 [Qemu-devel] [PATCH 0/7] AMD IOMMU emulation patchset v4 Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] [PATCH 1/7] pci: expand tabs to spaces in pci_regs.h Eduard - Gabriel Munteanu
2010-08-31 20:29 ` [Qemu-devel] " Michael S. Tsirkin
2010-08-31 22:58 ` Eduard - Gabriel Munteanu
2010-09-01 10:39 ` Michael S. Tsirkin
2010-08-28 14:54 ` [Qemu-devel] [PATCH 2/7] pci: memory access API and IOMMU support Eduard - Gabriel Munteanu
2010-09-02 5:28 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-02 8:40 ` Eduard - Gabriel Munteanu
2010-09-02 9:49 ` Michael S. Tsirkin
2010-09-04 9:01 ` Blue Swirl
2010-09-05 7:10 ` Michael S. Tsirkin
2010-08-28 14:54 ` [Qemu-devel] [PATCH 3/7] AMD IOMMU emulation Eduard - Gabriel Munteanu
2010-08-28 15:58 ` [Qemu-devel] " Blue Swirl
2010-08-28 21:53 ` Eduard - Gabriel Munteanu
2010-08-29 20:37 ` Blue Swirl
2010-08-30 3:07 ` [Qemu-devel] " Isaku Yamahata
2010-08-30 5:54 ` Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] [PATCH 4/7] ide: use the PCI memory access interface Eduard - Gabriel Munteanu
2010-09-02 5:19 ` [Qemu-devel] " Michael S. Tsirkin
2010-09-02 9:12 ` Eduard - Gabriel Munteanu
2010-09-02 9:58 ` Michael S. Tsirkin
2010-09-02 15:01 ` Eduard - Gabriel Munteanu
2010-09-02 15:24 ` Avi Kivity
2010-09-02 15:39 ` Michael S. Tsirkin
2010-09-02 16:07 ` Avi Kivity
2010-09-02 15:31 ` Michael S. Tsirkin
2010-08-28 14:54 ` [Qemu-devel] [PATCH 5/7] rtl8139: " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] [PATCH 6/7] eepro100: " Eduard - Gabriel Munteanu
2010-08-28 14:54 ` [Qemu-devel] [PATCH 7/7] ac97: " Eduard - Gabriel Munteanu
2010-08-28 16:00 ` [Qemu-devel] Re: [PATCH 0/7] AMD IOMMU emulation patchset v4 Blue Swirl
2010-08-29 9:55 ` Joerg Roedel
2010-08-29 20:44 ` Blue Swirl
2010-08-29 22:08 ` [Qemu-devel] [PATCH 2/7] pci: memory access API and IOMMU support Eduard - Gabriel Munteanu
2010-08-29 22:11 ` Eduard - Gabriel Munteanu [this message]
2010-09-01 20:10 ` Stefan Weil
2010-09-02 6:00 ` Michael S. Tsirkin
2010-09-02 9:08 ` Eduard - Gabriel Munteanu
2010-09-02 13:24 ` Anthony Liguori
2010-09-02 8:51 ` Eduard - Gabriel Munteanu
2010-09-02 16:05 ` Stefan Weil
2010-09-02 16:14 ` Eduard - Gabriel Munteanu
2010-09-13 20:01 ` [Qemu-devel] [PATCH RFC] dma_rw.h (was Re: [PATCH 0/7] AMD IOMMU emulation patchset v4) Michael S. Tsirkin
2010-09-13 20:45 ` Anthony Liguori
2010-09-16 7:12 ` Eduard - Gabriel Munteanu
2010-09-16 9:35 ` Michael S. Tsirkin
2010-09-16 7:06 ` [Qemu-devel] " Eduard - Gabriel Munteanu
2010-09-16 9:20 ` Michael S. Tsirkin
2010-09-16 11:15 ` Eduard - Gabriel Munteanu
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