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Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation fo
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges |
Date: |
Tue, 21 Oct 2014 01:29:31 +0200 |
> Am 21.10.2014 um 00:34 schrieb Knut Omang <address@hidden>:
>
> This patch set changes the data structure used to handle address spaces within
> the emulated Intel iommu to support traversal also if bus numbers are
> dynamically
> allocated, as is the case for devices that sit behind root ports or
> downstream switches.
> This means that we cannot use bus number as index, instead a QLIST is used.
>
> This requires a change in the API for setup of IOMMUs which is taken care of
> by
> the first patch. The second patch implements the fix.
Are you sure that this works on real hardware? How does that one communicate
sub-bridge liodns to the iommu? How do they get indexed from software?
Alex
- [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Knut Omang, 2014/10/20
- [Qemu-devel] [PATCH 2/2] intel_iommu: Add support for translation for devices behind bridges., Knut Omang, 2014/10/20
- [Qemu-devel] [PATCH 1/2] iommu: Replace bus+devfn arguments with PCIDevice* in PCIIOMMUFunc, Knut Omang, 2014/10/20
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges,
Alexander Graf <=
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Knut Omang, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Alexander Graf, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Knut Omang, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Alexander Graf, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Michael S. Tsirkin, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Knut Omang, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Michael S. Tsirkin, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Alex Williamson, 2014/10/21
- Re: [Qemu-devel] [PATCH 0/2] intel_iommu: Add support for translation for devices behind bridges, Michael S. Tsirkin, 2014/10/21