diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/iommu.h | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 87ebcc29020e..910aec80886e 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -127,7 +127,7 @@ struct iopf_group { /* list node for iommu_fault_param::faults */ struct list_head pending_node; struct work_struct work; - struct iommu_domain *domain; + struct iommu_attach_handle *attach_handle; /* The device's fault data parameter. */ struct iommu_fault_param *fault_param; }; @@ -547,6 +547,10 @@ static inline int __iommu_copy_struct_from_user_array( * @default_domain: If not NULL this will always be set as the default domain. * This should be an IDENTITY/BLOCKED/PLATFORM domain. * Do not use in new drivers. + * @user_pasid_table: IOMMU driver supports user-managed PASID table. There is + * no user domain for each PASID and the I/O page faults are + * forwarded through the user domain attached to the device + * RID. */ struct iommu_ops { bool (*capable)(struct device *dev, enum iommu_cap); @@ -590,6 +594,7 @@ struct iommu_ops { struct iommu_domain *blocked_domain; struct iommu_domain *release_domain; struct iommu_domain *default_domain; + u8 user_pasid_table:1; }; /** @@ -1064,9 +1069,6 @@ int iommu_attach_device_pasid(struct iommu_domain *domain, struct iommu_attach_handle *handle); void iommu_detach_device_pasid(struct iommu_domain *domain, struct device *dev, ioasid_t pasid); -struct iommu_domain * -iommu_get_domain_for_dev_pasid(struct device *dev, ioasid_t pasid, - unsigned int type); ioasid_t iommu_alloc_global_pasid(struct device *dev); void iommu_free_global_pasid(ioasid_t pasid); #else /* CONFIG_IOMMU_API */ @@ -1408,13 +1410,6 @@ static inline void iommu_detach_device_pasid(struct iommu_domain *domain, { } -static inline struct iommu_domain * -iommu_get_domain_for_dev_pasid(struct device *dev, ioasid_t pasid, - unsigned int type) -{ - return NULL; -} - static inline ioasid_t iommu_alloc_global_pasid(struct device *dev) { return IOMMU_PASID_INVALID; |