[RFC v1 8/8] iommu: expose the function iommu_device_use_default_domain
From: Cindy Lu <hidden>
Date: 2023-11-03 17:19:01
Also in:
lkml
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
Expose the function iommu_device_use_default_domain() and iommu_device_unuse_default_domain()， While vdpa bind the iommufd device and detach the iommu device, vdpa need to call the function iommu_device_unuse_default_domain() to release the owner Signed-off-by: Cindy Lu <redacted> --- drivers/iommu/iommu.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 3bfc56df4f78..987cbf8c9a87 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c@@ -3164,6 +3164,7 @@ int iommu_device_use_default_domain(struct device *dev) return ret; } +EXPORT_SYMBOL_GPL(iommu_device_use_default_domain); /** * iommu_device_unuse_default_domain() - Device driver stops handling device
@@ -3187,6 +3188,7 @@ void iommu_device_unuse_default_domain(struct device *dev) mutex_unlock(&group->mutex); iommu_group_put(group); } +EXPORT_SYMBOL_GPL(iommu_device_unuse_default_domain); static int __iommu_group_alloc_blocking_domain(struct iommu_group *group) {
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2.34.3