1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/dma-mapping.h>
3 #include <linux/swiotlb.h>
4 #include <linux/export.h>
6 /* Set this to 1 if there is a HW IOMMU in the system */
7 int iommu_detected __read_mostly;
9 const struct dma_map_ops *dma_ops;
10 EXPORT_SYMBOL(dma_ops);
12 const struct dma_map_ops *dma_get_ops(struct device *dev)
16 EXPORT_SYMBOL(dma_get_ops);
19 void __init swiotlb_dma_init(void)
21 dma_ops = &swiotlb_dma_ops;