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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASMARM_DMA_IOMMU_H #define ASMARM_DMA_IOMMU_H #ifdef __KERNEL__ #include #include #include struct dma_iommu_mapping { /* iommu specific data */ struct iommu_domain *domain; unsigned long **bitmaps; /* array of bitmaps */ unsigned int nr_bitmaps; /* nr of elements in array */ unsigned int extensions; size_t bitmap_size; /* size of a single bitmap */ size_t bits; /* per bitmap */ dma_addr_t base; spinlock_t lock; struct kref kref; };