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-rw-r--r--include/linux/iommu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 60194d38343a..d87f9cbfc01e 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -785,6 +785,7 @@ 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);
extern void iommu_domain_free(struct iommu_domain *domain);
extern int iommu_attach_device(struct iommu_domain *domain,
struct device *dev);
@@ -1093,6 +1094,11 @@ static inline struct iommu_domain *iommu_domain_alloc(const struct bus_type *bus
return NULL;
}
+static inline struct iommu_domain *iommu_paging_domain_alloc(struct device *dev)
+{
+ return ERR_PTR(-ENODEV);
+}
+
static inline void iommu_domain_free(struct iommu_domain *domain)
{
}