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-rw-r--r--include/linux/iommu.h20
1 files changed, 8 insertions, 12 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index bd722f473635..9a3215b5c1e5 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -511,8 +511,6 @@ static inline int __iommu_copy_struct_from_user_array(
* the caller iommu_domain_alloc() returns.
* @domain_alloc_user: Allocate an iommu domain corresponding to the input
* parameters as defined in include/uapi/linux/iommufd.h.
- * Unlike @domain_alloc, it is called only by IOMMUFD and
- * must fully initialize the new domain before return.
* Upon success, if the @user_data is valid and the @parent
* points to a kernel-managed domain, the new domain must be
* IOMMU_DOMAIN_NESTED type; otherwise, the @parent must be
@@ -784,12 +782,14 @@ static inline void iommu_iotlb_gather_init(struct iommu_iotlb_gather *gather)
};
}
-extern int bus_iommu_probe(const struct bus_type *bus);
extern bool iommu_present(const struct bus_type *bus);
extern bool device_iommu_capable(struct device *dev, enum iommu_cap cap);
extern bool iommu_group_has_isolated_msi(struct iommu_group *group);
-extern struct iommu_domain *iommu_domain_alloc(const struct bus_type *bus);
-struct iommu_domain *iommu_paging_domain_alloc(struct device *dev);
+struct iommu_domain *iommu_paging_domain_alloc_flags(struct device *dev, unsigned int flags);
+static inline struct iommu_domain *iommu_paging_domain_alloc(struct device *dev)
+{
+ return iommu_paging_domain_alloc_flags(dev, 0);
+}
extern void iommu_domain_free(struct iommu_domain *domain);
extern int iommu_attach_device(struct iommu_domain *domain,
struct device *dev);
@@ -1081,19 +1081,15 @@ struct iommu_iotlb_gather {};
struct iommu_dirty_bitmap {};
struct iommu_dirty_ops {};
-static inline bool iommu_present(const struct bus_type *bus)
-{
- return false;
-}
-
static inline bool device_iommu_capable(struct device *dev, enum iommu_cap cap)
{
return false;
}
-static inline struct iommu_domain *iommu_domain_alloc(const struct bus_type *bus)
+static inline struct iommu_domain *iommu_paging_domain_alloc_flags(struct device *dev,
+ unsigned int flags)
{
- return NULL;
+ return ERR_PTR(-ENODEV);
}
static inline struct iommu_domain *iommu_paging_domain_alloc(struct device *dev)