On Fri, Sep 4, 2020 at 8:20 AM Jan Kiszka wrote:
>
> On 25.08.20 16:45, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Free page hints allow the balloon driver to provide information on what
> > pages are not currently in use so that we can avoid the cost of copying
> > them in migratio
Hi,
On 8/21/20 3:15 PM, Jean-Philippe Brucker wrote:
> Add a topology description to the virtio-iommu driver and enable x86
> platforms.
>
> Since [v2] we have made some progress on adding ACPI support for
> virtio-iommu, which is the preferred boot method on x86. It will be a
> new vendor-agnost
Hi Jean,
On 8/21/20 3:15 PM, Jean-Philippe Brucker wrote:
> To support topology description from ACPI and from the builtin
> description, add helpers to keep track of I/O topology descriptors.
>
> To ease re-use of the helpers by other drivers and future ACPI
> extensions, use the "virt_" prefix
Hi Jean,
On 8/21/20 3:15 PM, Jean-Philippe Brucker wrote:
> Platforms without device-tree nor ACPI can provide a topology
> description embedded into the virtio config space. Parse it.
>
> Use PCI FIXUP to probe the config space early, because we need to
> discover the topology before any DMA con
Hi Jean,
On 8/21/20 3:15 PM, Jean-Philippe Brucker wrote:
> Add struct definitions for describing endpoints managed by the
> virtio-iommu. When VIRTIO_IOMMU_F_TOPOLOGY is offered, an array of
> virtio_iommu_topo_* structures in config space describes the endpoints,
> identified either by their PCI
Hi Jean,
On 8/20/20 3:29 PM, Jean-Philippe Brucker wrote:
> Add a simple method to describe the IOMMU topology in the config space,
> guarded by a new feature bit. A list of capabilities in the config space
> describes the devices managed by the IOMMU and their endpoint IDs.
>
> As outlined in pa
Hi Jean,
On 8/21/20 3:15 PM, Jean-Philippe Brucker wrote:
> Before adding new files to the virtio-iommu driver, move it to its own
> subfolder, similarly to other IOMMU drivers.
>
> Signed-off-by: Jean-Philippe Brucker
> ---
> drivers/iommu/Makefile| 3 +--
> drivers/iommu/v
On 25.08.20 16:45, Alexander Duyck wrote:
> From: Alexander Duyck
>
> Free page hints allow the balloon driver to provide information on what
> pages are not currently in use so that we can avoid the cost of copying
> them in migration scenarios. Add a feature description for free page hints
> de
