34 lines
836 B
C
34 lines
836 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2022 Ventana Micro Systems Inc.
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*/
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#include <linux/export.h>
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#include <linux/libnvdimm.h>
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#include <asm/cacheflush.h>
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#include <asm/dma-noncoherent.h>
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void arch_wb_cache_pmem(void *addr, size_t size)
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{
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#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
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if (unlikely(noncoherent_cache_ops.wback)) {
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noncoherent_cache_ops.wback(virt_to_phys(addr), size);
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return;
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}
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#endif
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ALT_CMO_OP(CLEAN, addr, size, riscv_cbom_block_size);
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}
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EXPORT_SYMBOL_GPL(arch_wb_cache_pmem);
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void arch_invalidate_pmem(void *addr, size_t size)
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{
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#ifdef CONFIG_RISCV_NONSTANDARD_CACHE_OPS
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if (unlikely(noncoherent_cache_ops.inv)) {
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noncoherent_cache_ops.inv(virt_to_phys(addr), size);
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return;
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}
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#endif
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ALT_CMO_OP(INVAL, addr, size, riscv_cbom_block_size);
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}
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EXPORT_SYMBOL_GPL(arch_invalidate_pmem);
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