1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2014-2015 ARM Ltd.
8 #include <linux/iommu.h>
10 #ifdef CONFIG_IOMMU_DMA
12 int iommu_get_dma_cookie(struct iommu_domain *domain);
13 void iommu_put_dma_cookie(struct iommu_domain *domain);
15 int iommu_dma_init_fq(struct iommu_domain *domain);
17 void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
19 extern bool iommu_dma_forcedac;
21 #else /* CONFIG_IOMMU_DMA */
23 static inline int iommu_dma_init_fq(struct iommu_domain *domain)
28 static inline int iommu_get_dma_cookie(struct iommu_domain *domain)
33 static inline void iommu_put_dma_cookie(struct iommu_domain *domain)
37 static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list)
41 #endif /* CONFIG_IOMMU_DMA */
42 #endif /* __DMA_IOMMU_H */