On Sun, Nov 28, 2021 at 09:14:35AM +0200, Eli Cohen wrote:
> On Fri, Nov 26, 2021 at 10:48:12AM +0800, Jason Wang wrote:
> > On Fri, Nov 26, 2021 at 2:09 AM Parav Pandit wrote:
> > >
> > > virtio device id value can be more than 31. Hence, use BIT_ULL in
> > > assignment.
> > >
> > > Fixes: 33b347
On Sat, Nov 27, 2021 at 06:09:40PM +0100, Eric Auger wrote:
>
>
> On 11/23/21 4:53 PM, Jean-Philippe Brucker wrote:
> > To support identity mappings, the virtio-iommu driver must be able to
> > represent full 64-bit ranges internally. Pass (start, end) instead of
> > (start, size) to viommu_add/d
Hi Jean,
On 11/23/21 4:53 PM, Jean-Philippe Brucker wrote:
> Support identity domains for devices that do not offer the
> VIRTIO_IOMMU_F_BYPASS_CONFIG feature, by creating 1:1 mappings between
> the virtual and physical address space. Identity domains created this
> way still perform noticeably be
Hi Jean,
On 11/23/21 4:53 PM, Jean-Philippe Brucker wrote:
> To ease identity mapping support, keep the list of reserved regions
> sorted.
>
> Reviewed-by: Kevin Tian
> Signed-off-by: Jean-Philippe Brucker
Reviewed-by: Eric Auger
Eric
> ---
> drivers/iommu/virtio-iommu.c | 9 +++--
> 1 fi
On 11/23/21 4:53 PM, Jean-Philippe Brucker wrote:
> To support identity mappings, the virtio-iommu driver must be able to
> represent full 64-bit ranges internally. Pass (start, end) instead of
> (start, size) to viommu_add/del_mapping().
>
> Clean comments. The one about the returned size was n
Hi Jean,
On 11/23/21 4:52 PM, Jean-Philippe Brucker wrote:
> The VIRTIO_IOMMU_F_BYPASS_CONFIG feature adds a new flag to the ATTACH
> request, that creates a bypass domain. Use it to enable identity
> domains.
>
> When VIRTIO_IOMMU_F_BYPASS_CONFIG is not supported by the device, we
> currently fai
