| Message ID | 1483969570-3154-20-git-send-email-eric.auger@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Jan 09, 2017 at 01:46:10PM +0000, Eric Auger wrote: > IOMMU_CAP_INTR_REMAP has been advertised in arm-smmu(-v3) although > on ARM this property is not attached to the IOMMU but rather is > implemented in the MSI controller (GICv3 ITS). > > Now vfio_iommu_type1 checks MSI remapping capability at MSI controller > level, let's correct this. > > Signed-off-by: Eric Auger <eric.auger@redhat.com> > --- > drivers/iommu/arm-smmu-v3.c | 2 -- > drivers/iommu/arm-smmu.c | 2 -- > 2 files changed, 4 deletions(-) Dependent on the previous two VFIO patches: Acked-by: Will Deacon <will.deacon@arm.com> Will
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 6c4111c..d9cf6cb 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1375,8 +1375,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) switch (cap) { case IOMMU_CAP_CACHE_COHERENCY: return true; - case IOMMU_CAP_INTR_REMAP: - return true; /* MSIs are just memory writes */ case IOMMU_CAP_NOEXEC: return true; default: diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index a354572..13d2600 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1374,8 +1374,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) * requests. */ return true; - case IOMMU_CAP_INTR_REMAP: - return true; /* MSIs are just memory writes */ case IOMMU_CAP_NOEXEC: return true; default:
IOMMU_CAP_INTR_REMAP has been advertised in arm-smmu(-v3) although on ARM this property is not attached to the IOMMU but rather is implemented in the MSI controller (GICv3 ITS). Now vfio_iommu_type1 checks MSI remapping capability at MSI controller level, let's correct this. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- drivers/iommu/arm-smmu-v3.c | 2 -- drivers/iommu/arm-smmu.c | 2 -- 2 files changed, 4 deletions(-)