28 lines
835 B
C
28 lines
835 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2023 Renesas Electronics Corp.
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*/
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#ifndef __ASM_DMA_NONCOHERENT_H
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#define __ASM_DMA_NONCOHERENT_H
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#include <linux/dma-direct.h>
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/*
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* struct riscv_nonstd_cache_ops - Structure for non-standard CMO function pointers
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*
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* @wback: Function pointer for cache writeback
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* @inv: Function pointer for invalidating cache
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* @wback_inv: Function pointer for flushing the cache (writeback + invalidating)
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*/
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struct riscv_nonstd_cache_ops {
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void (*wback)(phys_addr_t paddr, size_t size);
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void (*inv)(phys_addr_t paddr, size_t size);
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void (*wback_inv)(phys_addr_t paddr, size_t size);
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};
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extern struct riscv_nonstd_cache_ops noncoherent_cache_ops;
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void riscv_noncoherent_register_cache_ops(const struct riscv_nonstd_cache_ops *ops);
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#endif /* __ASM_DMA_NONCOHERENT_H */
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