iommu: Export iommu_get_resv_regions()

jgunthorpe · jgunthorpe · commit 8d0e2e9d93d2 · 2023-07-26T10:19:27.000-03:00
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>
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
@@ -2642,16 +2642,25 @@ 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);
 
 	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
  *

Original file line number	Diff line number	Diff line change
`@@ -2642,16 +2642,25 @@ int iommu_set_pgtable_quirks(struct iommu_domain *domain,`
`2642`	`2642`	`}`
`2643`	`2643`	`EXPORT_SYMBOL_GPL(iommu_set_pgtable_quirks);`
`2644`	`2644`
	`2645`	`+/**`
	`2646`	`+ * iommu_get_resv_regions - get reserved regions`
	`2647`	`+ * @dev: device for which to get reserved regions`
	`2648`	`+ * @list: reserved region list for device`
	`2649`	`+ *`
	`2650`	`+ * This returns a list of reserved IOVA regions specific to this device.`
	`2651`	`+ * A domain user should not map IOVA in these ranges.`
	`2652`	`+ */`
`2645`	`2653`	`void iommu_get_resv_regions(struct device dev, struct list_head list)`
`2646`	`2654`	`{`
`2647`	`2655`	`const struct iommu_ops *ops = dev_iommu_ops(dev);`
`2648`	`2656`
`2649`	`2657`	`if (ops->get_resv_regions)`
`2650`	`2658`	`ops->get_resv_regions(dev, list);`
`2651`	`2659`	`}`
	`2660`	`+EXPORT_SYMBOL_GPL(iommu_get_resv_regions);`
`2652`	`2661`
`2653`	`2662`	`/**`
`2654`		`- * iommu_put_resv_regions - release resered regions`
	`2663`	`+ * iommu_put_resv_regions - release reserved regions`
`2655`	`2664`	`* @dev: device for which to free reserved regions`
`2656`	`2665`	`* @list: reserved region list for device`
`2657`	`2666`	`*`