diff options
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 703e67d8cb04..4738bc024240 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2690,6 +2690,16 @@ int iommu_domain_set_attr(struct iommu_domain *domain, } EXPORT_SYMBOL_GPL(iommu_domain_set_attr); +int iommu_enable_nesting(struct iommu_domain *domain) +{ + if (domain->type != IOMMU_DOMAIN_UNMANAGED) + return -EINVAL; + if (!domain->ops->enable_nesting) + return -EINVAL; + return domain->ops->enable_nesting(domain); +} +EXPORT_SYMBOL_GPL(iommu_enable_nesting); + void iommu_get_resv_regions(struct device *dev, struct list_head *list) { const struct iommu_ops *ops = dev->bus->iommu_ops; |