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authorJacob Pan <jacob.jun.pan@linux.intel.com>2020-05-16 09:20:54 +0300
committerJoerg Roedel <jroedel@suse.de>2020-05-18 16:37:25 +0300
commit064a57d7ddfc46ada02b477b91c478001b03bfa3 (patch)
tree42f7f68605f9eb3322ce0e5935501099b6c731c2 /include/linux/intel-iommu.h
parent76fdd6c59532630559a2c63e8645a7033f9623c4 (diff)
downloadlinux-064a57d7ddfc46ada02b477b91c478001b03bfa3.tar.xz
iommu/vt-d: Replace intel SVM APIs with generic SVA APIs
This patch is an initial step to replace Intel SVM code with the following IOMMU SVA ops: intel_svm_bind_mm() => iommu_sva_bind_device() intel_svm_unbind_mm() => iommu_sva_unbind_device() intel_svm_is_pasid_valid() => iommu_sva_get_pasid() The features below will continue to work but are not included in this patch in that they are handled mostly within the IOMMU subsystem. - IO page fault - mmu notifier Consolidation of the above will come after merging generic IOMMU sva code[1]. There should not be any changes needed for SVA users such as accelerator device drivers during this time. [1] http://jpbrucker.net/sva/ Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20200516062101.29541-12-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/intel-iommu.h')
-rw-r--r--include/linux/intel-iommu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index caa179e806fc..42245e1e1b48 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -723,6 +723,10 @@ extern int intel_svm_finish_prq(struct intel_iommu *iommu);
int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
struct iommu_gpasid_bind_data *data);
int intel_svm_unbind_gpasid(struct device *dev, int pasid);
+struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm,
+ void *drvdata);
+void intel_svm_unbind(struct iommu_sva *handle);
+int intel_svm_get_pasid(struct iommu_sva *handle);
struct svm_dev_ops;
struct intel_svm_dev {
@@ -730,6 +734,8 @@ struct intel_svm_dev {
struct rcu_head rcu;
struct device *dev;
struct svm_dev_ops *ops;
+ struct iommu_sva sva;
+ int pasid;
int users;
u16 did;
u16 dev_iotlb:1;