diff mbox series

[v4,04/17] iommu: Export iommu_get_resv_regions()

Message ID 4-v4-9cd79ad52ee8+13f5-iommufd_alloc_jgg@nvidia.com
State Superseded
Headers show
Series Add iommufd physical device operations for replace and alloc hwpt | expand

Commit Message

Jason Gunthorpe March 27, 2023, 6:37 p.m. UTC 
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@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/iommu.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 10db680acaed5a..76969904b93af4 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2639,6 +2639,14 @@  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);
@@ -2646,9 +2654,10 @@  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
  *