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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
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*
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*
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* Similar to mach-generic/dma-coherence.h except
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* plat_device_is_coherent hard coded to return 1.
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*
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*/
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#ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
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#define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
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#include <linux/bug.h>
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struct device;
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extern void octeon_pci_dma_init(void);
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static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
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size_t size)
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{
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BUG();
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return 0;
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}
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static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
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struct page *page)
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{
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BUG();
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return 0;
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}
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static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
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dma_addr_t dma_addr)
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{
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BUG();
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return 0;
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}
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static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
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size_t size, enum dma_data_direction direction)
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{
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BUG();
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}
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static inline int plat_dma_supported(struct device *dev, u64 mask)
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{
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BUG();
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return 0;
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}
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static inline int plat_device_is_coherent(struct device *dev)
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{
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return 1;
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}
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static inline void plat_post_dma_flush(struct device *dev)
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{
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}
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dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
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phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
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struct dma_map_ops;
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extern struct dma_map_ops *octeon_pci_dma_map_ops;
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extern char *octeon_swiotlb;
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#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
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