Commit 8d0e2e9d authored by Jason Gunthorpe's avatar Jason Gunthorpe
Browse files

iommu: Export iommu_get_resv_regions() 

iommufd wants to use this in the next patch. For some reason the
iommu_put_resv_regions() was already exported.

Link: https://lore.kernel.org/r/4-v8-6659224517ea+532-iommufd_alloc_jgg@nvidia.com


Reviewed-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Tested-by: default avatarNicolin Chen <nicolinc@nvidia.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 91a2e17e

drivers/iommu/iommu.c

+10 −1
Original line number Diff line number Diff line
@@ -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

 *