Hi Kevin,
On Wed, Jun 08, 2022 at 07:49:10AM +, Tian, Kevin wrote:
> External email: Use caution opening links or attachments
>
>
> > From: Nicolin Chen
> > Sent: Monday, June 6, 2022 2:19 PM
> >
> > Cases like VFIO wish to attach a device to an existing domain that was
> > not allocated
> From: Nicolin Chen
> Sent: Monday, June 6, 2022 2:19 PM
>
> Cases like VFIO wish to attach a device to an existing domain that was
> not allocated specifically from the device. This raises a condition
> where the IOMMU driver can fail the domain attach because the domain and
> device are
On Tue, Jun 07, 2022 at 11:23:27AM +0800, Baolu Lu wrote:
> External email: Use caution opening links or attachments
>
>
> On 2022/6/6 14:19, Nicolin Chen wrote:
> > +/**
> > + * iommu_attach_group - Attach an IOMMU group to an IOMMU domain
> > + * @domain: IOMMU domain to attach
> > + * @dev:
On 2022/6/6 14:19, Nicolin Chen wrote:
+/**
+ * iommu_attach_group - Attach an IOMMU group to an IOMMU domain
+ * @domain: IOMMU domain to attach
+ * @dev: IOMMU group that will be attached
Nit: @group: ...
+ *
+ * Returns 0 on success and error code on failure
+ *
+ * Specifically,
Cases like VFIO wish to attach a device to an existing domain that was
not allocated specifically from the device. This raises a condition
where the IOMMU driver can fail the domain attach because the domain and
device are incompatible with each other.
This is a soft failure that can be resolved
