From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: kvm@vger.kernel.org, Alexey Kardashevskiy <aik@ozlabs.ru>,
linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH] vfio powerpc: enabled on powernv platform
Date: Wed, 12 Dec 2012 23:38:57 +1100 [thread overview]
Message-ID: <50C87AE1.9000708@ozlabs.ru> (raw)
In-Reply-To: <1355315657-31153-1-git-send-email-aik@ozlabs.ru>
Hi Alex,
I posted other pair of patches. While debugging and testing my stuff I
implemented some rough hack to support IOMMU mappings without passing those
hypercalls to the QEMU, this is why I moved pieces of code around - want to
support both QEMU-VFIO and kernel optimized H_PUT_TCE handler.
On 12/12/12 23:34, Alexey Kardashevskiy wrote:
> This patch initializes IOMMU groups based on the IOMMU
> configuration discovered during the PCI scan on POWERNV
> (POWER non virtualized) platform. The IOMMU groups are
> to be used later by VFIO driver (PCI pass through).
>
> It also implements an API for mapping/unmapping pages for
> guest PCI drivers and providing DMA window properties.
> This API is going to be used later by QEMU-VFIO to handle
> h_put_tce hypercalls from the KVM guest.
>
> Although this driver has been tested only on the POWERNV
> platform, it should work on any platform which supports
> TCE tables.
>
> To enable VFIO on POWER, enable SPAPR_TCE_IOMMU config
> option and configure VFIO as required.
>
> Cc: David Gibson <david@gibson.dropbear.id.au>
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> ---
--
Alexey
next prev parent reply other threads:[~2012-12-12 12:39 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20121113033832.GW4696@truffula.fritz.box>
2012-11-20 0:48 ` [PATCH] vfio powerpc: enabled and supported on powernv platform Alexey Kardashevskiy
2012-11-20 18:19 ` Alex Williamson
2012-11-22 11:56 ` Sethi Varun-B16395
2012-11-23 2:02 ` Alexey Kardashevskiy
2012-11-26 15:18 ` Alex Williamson
2012-11-26 18:04 ` Alex Williamson
2012-11-27 0:21 ` Benjamin Herrenschmidt
2012-11-27 3:28 ` Alexey Kardashevskiy
2012-11-27 4:23 ` Alex Williamson
2012-11-26 15:08 ` Alex Williamson
2012-11-23 9:03 ` [PATCH 0/2] vfio powerpc: implemented and enabled Alexey Kardashevskiy
2012-11-23 9:03 ` [PATCH 1/2] vfio powerpc: implemented IOMMU driver for VFIO Alexey Kardashevskiy
2012-11-26 18:20 ` Alex Williamson
2012-11-27 4:06 ` Alexey Kardashevskiy
2012-11-27 4:29 ` Alex Williamson
2012-11-27 4:58 ` Alexey Kardashevskiy
2012-11-27 5:06 ` David Gibson
2012-11-27 5:07 ` Alex Williamson
2012-11-28 7:21 ` [PATCH] " Alexey Kardashevskiy
2012-11-28 21:01 ` Alex Williamson
2012-11-29 3:51 ` Alexey Kardashevskiy
2012-11-23 9:03 ` [PATCH 2/2] vfio powerpc: enabled on powernv platform Alexey Kardashevskiy
2012-11-27 4:41 ` Alex Williamson
2012-11-28 7:18 ` [PATCH] " Alexey Kardashevskiy
2012-11-28 21:30 ` Alex Williamson
2012-11-29 3:53 ` Alexey Kardashevskiy
2012-11-29 4:20 ` Alex Williamson
2012-11-30 6:14 ` Alexey Kardashevskiy
2012-11-30 16:48 ` Alex Williamson
2012-12-01 0:14 ` Alexey Kardashevskiy
2012-11-30 6:16 ` Alexey Kardashevskiy
2012-12-03 2:52 ` [PATCH 0/2] vfio on power: yet another try Alexey Kardashevskiy
2012-12-03 2:52 ` [PATCH 1/2] vfio powerpc: enabled on powernv platform Alexey Kardashevskiy
2012-12-03 17:35 ` Alex Williamson
2012-12-04 8:12 ` Alexey Kardashevskiy
2012-12-04 15:51 ` Alex Williamson
2012-12-07 7:35 ` [PATCH] " Alexey Kardashevskiy
2012-12-07 17:38 ` Alex Williamson
2012-12-12 6:14 ` Alexey Kardashevskiy
2012-12-12 14:34 ` Alex Williamson
2012-12-13 2:29 ` Benjamin Herrenschmidt
2012-12-13 6:27 ` Alexey Kardashevskiy
2012-12-12 12:34 ` Alexey Kardashevskiy
2012-12-12 12:38 ` Alexey Kardashevskiy [this message]
2012-12-12 23:30 ` Alex Williamson
2012-12-13 2:24 ` Alexey Kardashevskiy
2012-12-13 2:39 ` Benjamin Herrenschmidt
2012-12-13 2:57 ` Benjamin Herrenschmidt
2012-12-13 3:22 ` Alex Williamson
2012-12-03 2:52 ` [PATCH 2/2] vfio powerpc: implemented IOMMU driver for VFIO Alexey Kardashevskiy
2012-12-03 17:53 ` Alex Williamson
2012-12-07 7:34 ` [PATCH] " Alexey Kardashevskiy
2012-12-07 17:01 ` Alex Williamson
2012-12-12 6:59 ` Alexey Kardashevskiy
2012-12-12 14:36 ` Alex Williamson
2012-12-12 12:35 ` Alexey Kardashevskiy
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