/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (C) 2013--2024 Intel Corporation */ #ifndef IPU6_DMA_H #define IPU6_DMA_H #include <linux/iova.h> #include <linux/scatterlist.h> #include <linux/types.h> #include "ipu6-bus.h" struct ipu6_mmu_info; struct ipu6_dma_mapping { struct ipu6_mmu_info *mmu_info; struct iova_domain iovad; }; void ipu6_dma_sync_single(struct ipu6_bus_device *sys, dma_addr_t dma_handle, size_t size); void ipu6_dma_sync_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, int nents); void ipu6_dma_sync_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt); void *ipu6_dma_alloc(struct ipu6_bus_device *sys, size_t size, dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs); void ipu6_dma_free(struct ipu6_bus_device *sys, size_t size, void *vaddr, dma_addr_t dma_handle, unsigned long attrs); int ipu6_dma_mmap(struct ipu6_bus_device *sys, struct vm_area_struct *vma, void *addr, dma_addr_t iova, size_t size, unsigned long attrs); int ipu6_dma_map_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, int nents, enum dma_data_direction dir, unsigned long attrs); void ipu6_dma_unmap_sg(struct ipu6_bus_device *sys, struct scatterlist *sglist, int nents, enum dma_data_direction dir, unsigned long attrs); int ipu6_dma_map_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt, enum dma_data_direction dir, unsigned long attrs); void ipu6_dma_unmap_sgtable(struct ipu6_bus_device *sys, struct sg_table *sgt, enum dma_data_direction dir, unsigned long attrs); #endif /* IPU6_DMA_H */