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From: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>
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Date: Wed, 4 May 2016 12:45:39 +0500
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Subject: Re: [Qemu-devel] [V9 2/4] hw/i386: ACPI table for AMD IOMMU
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To: Jan Kiszka <jan.kiszka@web.de>, David Kiarie <davidkiarie4@gmail.com>, qemu-devel@nongnu.org
Cc: mst@redhat.com, marcel@redhat.com, imammedo@redhat.com

On 29.04.2016 11:09, Jan Kiszka wrote:
> On 2016-04-25 00:12, David Kiarie wrote:
>> Add IVRS table for AMD IOMMU. Generate IVRS or DMAR
>> depending on emulated IOMMU
>
> It seems you lack scope descriptions for the PCI devices in the system.
> At least, this is what our jailhouse config generator complains about
> right now (didn't look into details yet). If so, the guest OS will
> likely not configure the IOMMU appropriately as it thinks that the
> devices are passed through anyway.
>
> On Intel, there is an easy way to state "catch them all" in the ACPI
> table. Maybe AMD has this as well so that you don't need to add
> individual devices.
There is. IVHD Device Entry Type 1 does just that.

Valentine