diff mbox series

[v2,14/15] dma-iommu: Add iommu_dma_set_opt_size()

Message ID 1620656249-68890-15-git-send-email-john.garry@huawei.com
State New
Headers show
Series dma mapping/iommu: Allow IOMMU IOVA rcache range to be configured | expand

Commit Message

John Garry May 10, 2021, 2:17 p.m. UTC 
Add iommu_dma_set_opt_size(), which is a frontend for
iommu_set_dev_dma_opt_size().

Signed-off-by: John Garry <john.garry@huawei.com>

---
 drivers/iommu/dma-iommu.c | 6 ++++++
 1 file changed, 6 insertions(+)

-- 
2.26.2
diff mbox series

Patch

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 1d58c7a2d85d..fd62afe7c7d0 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -490,6 +490,11 @@  static dma_addr_t iommu_dma_alloc_iova(struct iommu_domain *domain,
 	return (dma_addr_t)iova << shift;
 }
 
+static int iommu_dma_set_opt_size(struct device *dev, size_t size)
+{
+	return iommu_set_dev_dma_opt_size(dev, size);
+}
+
 static void iommu_dma_free_iova(struct iommu_dma_cookie *cookie,
 		dma_addr_t iova, size_t size, struct page *freelist)
 {
@@ -1340,6 +1345,7 @@  static const struct dma_map_ops iommu_dma_ops = {
 	.map_resource		= iommu_dma_map_resource,
 	.unmap_resource		= iommu_dma_unmap_resource,
 	.get_merge_boundary	= iommu_dma_get_merge_boundary,
+	.set_max_opt_size	= iommu_dma_set_opt_size,
 };
 
 /*