iommufd wants to use this in the next patch. For some reason the
iommu_put_resv_regions() was already exported.
Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Tested-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
---
drivers/iommu/iommu.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index caaf563d38ae09..b0804fbad6f9da 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2642,6 +2642,14 @@ int iommu_set_pgtable_quirks(struct iommu_domain *domain,
}
EXPORT_SYMBOL_GPL(iommu_set_pgtable_quirks);
+/**
+ * iommu_get_resv_regions - get reserved regions
+ * @dev: device for which to get reserved regions
+ * @list: reserved region list for device
+ *
+ * This returns a list of reserved IOVA regions specific to this device.
+ * A domain user should not map IOVA in these ranges.
+ */
void iommu_get_resv_regions(struct device *dev, struct list_head *list)
{
const struct iommu_ops *ops = dev_iommu_ops(dev);
@@ -2649,9 +2657,10 @@ void iommu_get_resv_regions(struct device *dev, struct list_head *list)
if (ops->get_resv_regions)
ops->get_resv_regions(dev, list);
}
+EXPORT_SYMBOL_GPL(iommu_get_resv_regions);
/**
- * iommu_put_resv_regions - release resered regions
+ * iommu_put_resv_regions - release reserved regions
* @dev: device for which to free reserved regions
* @list: reserved region list for device
*
--
2.41.0
