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path: root/drivers/iommu/intel/svm.c
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Diffstat (limited to 'drivers/iommu/intel/svm.c')
-rw-r--r--drivers/iommu/intel/svm.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index 7d08eb034f2d..03b25358946c 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -184,10 +184,13 @@ static void __flush_svm_range_dev(struct intel_svm *svm,
return;
qi_flush_piotlb(sdev->iommu, sdev->did, svm->pasid, address, pages, ih);
- if (info->ats_enabled)
+ if (info->ats_enabled) {
qi_flush_dev_iotlb_pasid(sdev->iommu, sdev->sid, info->pfsid,
svm->pasid, sdev->qdep, address,
order_base_2(pages));
+ quirk_extra_dev_tlb_flush(info, address, order_base_2(pages),
+ svm->pasid, sdev->qdep);
+ }
}
static void intel_flush_svm_range_dev(struct intel_svm *svm,
@@ -745,12 +748,16 @@ bad_req:
* If prq is to be handled outside iommu driver via receiver of
* the fault notifiers, we skip the page response here.
*/
- if (!pdev || intel_svm_prq_report(iommu, &pdev->dev, req))
- handle_bad_prq_event(iommu, req, QI_RESP_INVALID);
+ if (!pdev)
+ goto bad_req;
- trace_prq_report(iommu, &pdev->dev, req->qw_0, req->qw_1,
- req->priv_data[0], req->priv_data[1],
- iommu->prq_seq_number++);
+ if (intel_svm_prq_report(iommu, &pdev->dev, req))
+ handle_bad_prq_event(iommu, req, QI_RESP_INVALID);
+ else
+ trace_prq_report(iommu, &pdev->dev, req->qw_0, req->qw_1,
+ req->priv_data[0], req->priv_data[1],
+ iommu->prq_seq_number++);
+ pci_dev_put(pdev);
prq_advance:
head = (head + sizeof(*req)) & PRQ_RING_MASK;
}