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Re: [PATCH v15 3/9] virtio-iommu: Implement attach/detach command

From: Peter Xu
Subject: Re: [PATCH v15 3/9] virtio-iommu: Implement attach/detach command
Date: Sat, 8 Feb 2020 08:41:54 -0500

On Sat, Feb 08, 2020 at 01:00:16PM +0100, Eric Auger wrote:
> This patch implements the endpoint attach/detach to/from
> a domain.
> Domain and endpoint internal datatypes are introduced.
> Both are stored in RB trees. The domain owns a list of
> endpoints attached to it. Also helpers to get/put
> end points and domains are introduced.
> As for the IOMMU memory regions, a callback is called on
> PCI bus enumeration that initializes for a given device
> on the bus hierarchy an IOMMU memory region. The PCI bus
> hierarchy is stored locally in IOMMUPciBus and IOMMUDevice
> objects.
> At the time of the enumeration, the bus number may not be
> computed yet.
> So operations that will need to retrieve the IOMMUdevice
> and its IOMMU memory region from the bus number and devfn,
> once the bus number is garanteed to be frozen, use an array
> of IOMMUPciBus, lazily populated.
> Signed-off-by: Eric Auger <address@hidden>

Reviewed-by: Peter Xu <address@hidden>

(Hope this is the last one missing r-b besides patch 8, I'll leave
 patch 8 for the others or Michael when merging)


Peter Xu

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