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Subject[PATCH] iommu/vt-d: Fix PASID cache flush
Date
PASID cache type and shift of granularity bits are missing in
the current code.

Fixes: 6f7db75e1c46 ("iommu/vt-d: Add second level page table
interface")

Cc: Eric Auger <eric.auger@redhat.com>
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 22b30f10b396..57d05b0fbafc 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
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