Messages in this thread | | | From | "Tian, Kevin" <> | Subject | RE: [PATCH v9 07/11] iommu/sva: Refactoring iommu_sva_bind/unbind_device() | Date | Tue, 28 Jun 2022 08:52:37 +0000 |
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> From: Baolu Lu <baolu.lu@linux.intel.com> > Sent: Tuesday, June 28, 2022 1:54 PM > >> +u32 iommu_sva_get_pasid(struct iommu_sva *handle) > >> +{ > >> + struct iommu_domain *domain = > >> + container_of(handle, struct iommu_domain, bond); > >> + > >> + return domain->mm->pasid; > >> +} > >> +EXPORT_SYMBOL_GPL(iommu_sva_get_pasid); > > > > Looks this is only used by unbind_device. Just open code it. > > It's part of current IOMMU/SVA interfaces for the device drivers, and > has been used in various drivers. > > $ git grep iommu_sva_get_pasid > drivers/dma/idxd/cdev.c: pasid = iommu_sva_get_pasid(sva); > drivers/iommu/iommu-sva-lib.c: ioasid_t pasid = > iommu_sva_get_pasid(handle); > drivers/iommu/iommu-sva-lib.c:u32 iommu_sva_get_pasid(struct > iommu_sva > *handle) > drivers/iommu/iommu-sva- > lib.c:EXPORT_SYMBOL_GPL(iommu_sva_get_pasid); > drivers/misc/uacce/uacce.c: pasid = iommu_sva_get_pasid(handle); > include/linux/iommu.h:u32 iommu_sva_get_pasid(struct iommu_sva > *handle); > include/linux/iommu.h:static inline u32 iommu_sva_get_pasid(struct > iommu_sva *handle) > > Or, I missed anything? >
Forget it. I thought it's a new function introduced in this series. :/
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