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Re: [Qemu-devel] [V9 2/4] hw/i386: ACPI table for AMD IOMMU

From: Valentine Sinitsyn
Subject: Re: [Qemu-devel] [V9 2/4] hw/i386: ACPI table for AMD IOMMU
Date: Wed, 4 May 2016 12:45:39 +0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

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.


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