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Re: [PATCH for-5.0 v11 19/20] pc: Add support for virtio-iommu-pci
From: |
Jean-Philippe Brucker |
Subject: |
Re: [PATCH for-5.0 v11 19/20] pc: Add support for virtio-iommu-pci |
Date: |
Tue, 10 Dec 2019 17:50:32 +0100 |
On Fri, Nov 22, 2019 at 07:29:42PM +0100, Eric Auger wrote:
> The virtio-iommu-pci is instantiated through the -device QEMU
> option. However if instantiated it also requires an IORT ACPI table
> to describe the ID mappings between the root complex and the iommu.
>
> This patch adds the generation of the IORT table if the
> virtio-iommu-pci device is instantiated.
>
> We also declare the [0xfee00000 - 0xfeefffff] MSI reserved region
> so that it gets bypassed by the IOMMU.
>
> Signed-off-by: Eric Auger <address@hidden>
It would be nice to factor the IORT code with arm, but this looks OK.
Reviewed-by: Jean-Philippe Brucker <address@hidden>
- Re: [PATCH for-5.0 v11 19/20] pc: Add support for virtio-iommu-pci,
Jean-Philippe Brucker <=