Hi Peter,
On 2/18/21 6:48 PM, Peter Xu wrote:
> On Thu, Feb 18, 2021 at 06:18:22PM +0100, Auger Eric wrote:
>> Hi Peter,
>>
>> On 2/18/21 5:42 PM, Peter Xu wrote:
>>> Eric,
>>>
>>> On Thu, Feb 18, 2021 at 03:16:50PM +0100, Eric Auger wrote:
@@ -164,12 +166,27 @@ static void
virtio_iommu
On Thu, Feb 18, 2021 at 06:18:22PM +0100, Auger Eric wrote:
> Hi Peter,
>
> On 2/18/21 5:42 PM, Peter Xu wrote:
> > Eric,
> >
> > On Thu, Feb 18, 2021 at 03:16:50PM +0100, Eric Auger wrote:
> >> @@ -164,12 +166,27 @@ static void
> >> virtio_iommu_notify_unmap(IOMMUMemoryRegion *mr, hwaddr virt_s
Hi Peter,
On 2/18/21 5:42 PM, Peter Xu wrote:
> Eric,
>
> On Thu, Feb 18, 2021 at 03:16:50PM +0100, Eric Auger wrote:
>> @@ -164,12 +166,27 @@ static void
>> virtio_iommu_notify_unmap(IOMMUMemoryRegion *mr, hwaddr virt_start,
>>
>> event.type = IOMMU_NOTIFIER_UNMAP;
>> event.entry.ta
Eric,
On Thu, Feb 18, 2021 at 03:16:50PM +0100, Eric Auger wrote:
> @@ -164,12 +166,27 @@ static void virtio_iommu_notify_unmap(IOMMUMemoryRegion
> *mr, hwaddr virt_start,
>
> event.type = IOMMU_NOTIFIER_UNMAP;
> event.entry.target_as = &address_space_memory;
> -event.entry.addr_m
Unmap notifiers work with an address mask assuming an
invalidation range of a power of 2. Nothing mandates this
in the VIRTIO-IOMMU spec.
So in case the range is not a power of 2, split it into
several invalidations.
Signed-off-by: Eric Auger
---
hw/virtio/virtio-iommu.c | 23 ++
