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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: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jason Gunthorpe 2023-07-17 15:12:00 -03:00
parent 91a2e17e24
commit 8d0e2e9d93
1 changed files with 10 additions and 1 deletions
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11
drivers/iommu/iommu.c
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@ -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
*