35 lines
797 B
C
35 lines
797 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2019 MediaTek Inc.
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*/
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#ifndef M4U_DEBUG_H
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#define M4U_DEBUG_H
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#include <linux/ioctl.h>
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#include <linux/fs.h>
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#include <linux/of.h>
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typedef int (*mtk_iommu_fault_callback_t)(int port,
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dma_addr_t mva, void *cb_data);
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bool report_custom_iommu_fault(
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u32 fault_iova,
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u32 fault_pa,
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u32 fault_id, bool is_vpu);
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int mtk_iommu_register_fault_callback(int port,
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mtk_iommu_fault_callback_t fn,
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void *cb_data);
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/* port: comes from "include/dt-binding/memort/mtxxx-larb-port.h" */
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int mtk_iommu_unregister_fault_callback(int port);
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void mtk_iova_dbg_alloc(struct device *dev, dma_addr_t iova, size_t size);
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void mtk_iova_dbg_free(dma_addr_t iova, size_t size);
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void mtk_iova_dbg_dump(struct seq_file *s);
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#endif
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