78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* 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 IOMMU_DEBUG_H
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#define IOMMU_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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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include "mtk_iommu.h"
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#define DEFINE_PROC_ATTRIBUTE(__fops, __get, __set, __fmt) \
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static int __fops ## _open(struct inode *inode, struct file *file) \
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{ \
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struct inode local_inode = *inode; \
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\
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local_inode.i_private = PDE_DATA(inode); \
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__simple_attr_check_format(__fmt, 0ull); \
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return simple_attr_open(&local_inode, file, __get, __set, __fmt); \
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} \
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static const struct proc_ops __fops = { \
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.proc_open = __fops ## _open, \
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.proc_release = simple_attr_release, \
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.proc_read = simple_attr_read, \
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.proc_write = simple_attr_write, \
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.proc_lseek = generic_file_llseek, \
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}
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enum iommu_event_type {
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IOMMU_ALLOC = 0,
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IOMMU_FREE,
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IOMMU_MAP,
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IOMMU_UNMAP,
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IOMMU_SYNC,
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IOMMU_UNSYNC,
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IOMMU_SUSPEND,
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IOMMU_RESUME,
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IOMMU_POWER_ON,
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IOMMU_POWER_OFF,
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IOMMU_EVENT_MAX
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};
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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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void report_custom_iommu_fault(
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u64 fault_iova, u64 fault_pa, u32 fault_id,
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enum mtk_iommu_type type, int id);
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void report_iommu_mau_fault(
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u32 assert_id, u32 falut_id, char *port_name,
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u32 assert_addr, u32 assert_b32);
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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, bool is_vpu);
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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, bool is_vpu);
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void mtk_iova_map(int tab_id, u64 iova, size_t size);
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void mtk_iova_unmap(int tab_id, u64 iova, size_t size);
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void mtk_iova_map_dump(u64 iova, u32 tab_id);
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void mtk_iommu_tlb_sync_trace(u64 iova, size_t size, int iommu_ids);
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void mtk_iommu_pm_trace(int event, int iommu_id, int pd_sta,
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unsigned long flags, struct device *dev);
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void mtk_iommu_debug_reset(void);
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enum peri_iommu get_peri_iommu_id(u32 bus_id);
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char *peri_tf_analyse(enum peri_iommu iommu_id, u32 fault_id);
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char *mtk_iommu_get_port_name(enum mtk_iommu_type type, int id, int tf_id);
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const struct mau_config_info *mtk_iommu_get_mau_config(
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enum mtk_iommu_type type, int id,
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unsigned int slave, unsigned int mau);
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#endif
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