summaryrefslogtreecommitdiff
path: root/include/linux/iommu.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index cc26f89c4ee6..d937580417ba 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -74,6 +74,7 @@ struct iommu_ops {
unsigned long iova);
int (*domain_has_cap)(struct iommu_domain *domain,
unsigned long cap);
+ int (*device_group)(struct device *dev, unsigned int *groupid);
unsigned long pgsize_bitmap;
};
@@ -95,6 +96,7 @@ extern int iommu_domain_has_cap(struct iommu_domain *domain,
unsigned long cap);
extern void iommu_set_fault_handler(struct iommu_domain *domain,
iommu_fault_handler_t handler);
+extern int iommu_device_group(struct device *dev, unsigned int *groupid);
/**
* report_iommu_fault() - report about an IOMMU fault to the IOMMU framework
@@ -193,6 +195,11 @@ static inline void iommu_set_fault_handler(struct iommu_domain *domain,
{
}
+static inline int iommu_device_group(struct device *dev, unsigned int *groupid)
+{
+ return -ENODEV;
+}
+
#endif /* CONFIG_IOMMU_API */
#endif /* __LINUX_IOMMU_H */