[PATCH 08/10] iommu/vt-d: Fix PASID cache flush

Jacob Pan
2019-11-15T23:05:33Z

Use the correct invalidation descriptor type and granularity.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
drivers/iommu/intel-pasid.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c
index 3cb569e76642..ee6ea1bbd917 100644
--- a/drivers/iommu/intel-pasid.c
+++ b/drivers/iommu/intel-pasid.c
@@ -365,7 +365,8 @@ pasid_cache_invalidation_with_pasid(struct intel_iommu *iommu,
{
struct qi_desc desc;

- desc.qw0 = QI_PC_DID(did) | QI_PC_PASID_SEL | QI_PC_PASID(pasid);
+ desc.qw0 = QI_PC_DID(did) | QI_PC_GRAN(QI_PC_PASID_SEL) |
+ QI_PC_PASID(pasid) | QI_PC_TYPE;
desc.qw1 = 0;
desc.qw2 = 0;
desc.qw3 = 0;
--
2.7.4