242 lines
6.4 KiB
C
242 lines
6.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2021 MediaTek Inc.
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*/
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#ifndef _MTK_IOMMU_EXT_H_
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#define _MTK_IOMMU_EXT_H_
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#include <linux/io.h>
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#ifdef CONFIG_MTK_AEE_FEATURE
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#include <aee.h>
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#endif
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#define MTK_IOMMU_PERFORMANCE_IMPROVEMENT
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#define MMU_INT_REPORT(mmu, mmu_2nd_id, id) \
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pr_notice( \
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"iommu%d_%d " #id "(0x%x) int happens!!\n",\
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mmu, mmu_2nd_id, id)
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#ifdef CONFIG_MTK_AEE_FEATURE
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#define mmu_aee_print(string, args...) do {\
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aee_kernel_warning_api(__FILE__, __LINE__, \
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DB_OPT_MMPROFILE_BUFFER | DB_OPT_DUMP_DISPLAY, \
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"[MTK_IOMMU]", "error"string, ##args); \
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pr_info("[MTK_IOMMU] error:"string, ##args); \
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} while (0)
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#else
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#define mmu_aee_print(string, args...) do {\
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pr_info("[MTK_IOMMU] error:"string, ##args); \
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} while (0)
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#endif
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#define mmu_seq_print(seq_file, fmt, args...) \
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do {\
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if (seq_file)\
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seq_printf(seq_file, fmt, ##args);\
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else\
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pr_notice(fmt, ##args);\
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} while (0)
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struct IOMMU_PERF_COUNT {
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unsigned int transaction_cnt;
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unsigned int main_tlb_miss_cnt;
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unsigned int pfh_tlb_miss_cnt;
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unsigned int pfh_cnt;
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unsigned int rs_perf_cnt;
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};
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struct mmu_tlb_t {
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unsigned int tag;
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unsigned int desc;
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};
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#if 0
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struct mmu_pfh_tlb_t {
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unsigned long va;
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unsigned long va_msk;
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char layer;
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char sec;
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char pfh;
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char valid;
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unsigned int desc[32];
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int set;
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int way;
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int bank;
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unsigned int page_size;
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unsigned int tag;
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};
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#endif
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extern phys_addr_t mtkfb_get_fb_base(void);
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size_t mtkfb_get_fb_size(void);
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int smi_reg_backup_sec(void);
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int smi_reg_restore_sec(void);
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enum mtk_iommu_callback_ret_t {
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MTK_IOMMU_CALLBACK_HANDLED,
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MTK_IOMMU_CALLBACK_NOT_HANDLED,
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};
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typedef enum mtk_iommu_callback_ret_t (*mtk_iommu_fault_callback_t)(int port,
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unsigned long mva, void *cb_data);
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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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int mtk_iommu_unregister_fault_callback(int port);
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int mtk_iommu_enable_tf(int port, bool fgenable);
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int mtk_iommu_iova_to_pa(struct device *dev,
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dma_addr_t iova, unsigned long *pa);
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int mtk_iommu_iova_to_va(struct device *dev,
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dma_addr_t iova,
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unsigned long *map_va,
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size_t size);
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bool enable_custom_tf_report(void);
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bool report_custom_iommu_fault(
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unsigned int m4uid,
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void __iomem *base,
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unsigned long fault_iova,
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unsigned long fault_pa,
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unsigned int fault_id,
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bool is_vpu,
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bool is_sec);
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void report_custom_iommu_leakage(char *port_name,
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unsigned int size);
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void report_custom_config_port(char *port_name,
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char *err_name,
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unsigned int portid);
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void mtk_iommu_debug_init(void);
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void mtk_iommu_debug_reset(void);
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#define DOMAIN_NUM (1 << \
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(CONFIG_MTK_IOMMU_PGTABLE_EXT - 32))
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enum ION_M4U_DOMAIN {
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DOMAIN_OF_4GB,
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#if (DOMAIN_NUM > 1)
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DOMAIN_OF_8GB,
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#endif
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#if (DOMAIN_NUM > 2)
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DOMAIN_OF_12GB,
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#endif
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#if (DOMAIN_NUM > 3)
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DOMAIN_OF_16GB,
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#endif
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#if (DOMAIN_NUM > 4)
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DOMAIN_OF_32GB,
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#endif
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#if (DOMAIN_NUM > 5)
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DOMAIN_OF_64GB,
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#endif
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};
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enum IOMMU_PROFILE_TYPE {
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IOMMU_ALLOC = 0,
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IOMMU_DEALLOC,
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IOMMU_MAP,
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IOMMU_UNMAP,
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IOMMU_EVENT_MAX,
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};
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void mtk_iommu_trace_map(unsigned long orig_iova,
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phys_addr_t orig_pa,
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size_t size);
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void mtk_iommu_trace_unmap(unsigned long orig_iova,
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size_t size,
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size_t unmapped);
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void mtk_iommu_trace_log(int event,
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unsigned long data1,
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unsigned long data2,
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unsigned long data3);
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void mtk_iommu_log_dump(void *seq_file);
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int m4u_user2kernel_port(int userport);
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int mtk_iommu_get_pgtable_base_addr(unsigned long *pgd_pa);
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int mtk_iommu_port_clock_switch(unsigned int port, bool enable);
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int mtk_iommu_larb_clock_switch(unsigned int larb, bool enable);
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unsigned int mtk_get_iommu_index(unsigned int larb);
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char *iommu_get_port_name(int port);
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int mtk_iommu_get_larb_port(unsigned int tf_id, unsigned int m4uid,
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unsigned int *larb, unsigned int *port);
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int mtk_iommu_switch_acp(struct device *dev,
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unsigned long iova, size_t size, bool is_acp);
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#if 0
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void mtk_smi_larb_put(struct device *larbdev);
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int mtk_smi_larb_ready(int larbid);
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#endif
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struct mau_config_info {
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int m4u_id;
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int slave;
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int mau;
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unsigned int start;
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unsigned int end;
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unsigned int port_mask;
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unsigned int larb_mask;
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unsigned int wr;/* 1:w, 0:R */
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unsigned int virt; /* 1:mva, 0:pa */
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unsigned int io; /* 1:output, 0:input */
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unsigned int start_bit32; /* :1; */
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unsigned int end_bit32; /* :1; */
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};
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int mau_start_monitor(unsigned int m4u_id, unsigned int slave,
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unsigned int mau,
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struct mau_config_info *mau_info);
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void mau_stop_monitor(unsigned int m4u_id, unsigned int slave,
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unsigned int mau, bool force);
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int mau_get_config_info(struct mau_config_info *cfg);
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int iommu_perf_monitor_start(int m4u_id);
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int iommu_perf_monitor_stop(int m4u_id);
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void iommu_perf_print_counter(int m4u_index,
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int m4u_slave_id, const char *msg);
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char *mtk_iommu_get_vpu_port_name(unsigned int tf_id);
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char *mtk_iommu_get_mm_port_name(unsigned int m4uid,
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unsigned int tf_id);
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int mtk_dump_main_tlb(int m4u_id, int m4u_slave_id,
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struct seq_file *s);
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int mtk_dump_pfh_tlb(int m4u_id,
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struct seq_file *s);
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int mtk_dump_victim_tlb(int m4u_id,
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struct seq_file *s);
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int mtk_iommu_dump_reg(int m4u_index, unsigned int start,
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unsigned int end, char *user);
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int mtk_iommu_get_boundary_id(struct device *dev);
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int mtk_iommu_get_iova_space(struct device *dev,
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unsigned long *base, unsigned long *max,
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int *owner, struct list_head *list);
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void mtk_iommu_put_iova_space(struct device *dev,
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struct list_head *list);
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void mtk_iommu_dump_iova_space(unsigned long target);
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unsigned int mtk_iommu_get_larb_port_count(unsigned int larb);
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int mtk_iommu_atf_call(unsigned int cmd, unsigned int m4u_id,
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unsigned int bank);
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#ifndef SMI_LARB_SEC_CON_EN
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#if 0
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int mtk_iommu_set_sec_larb(int larb, int port,
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int sec_en, int dom);
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#endif
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int mtk_iommu_dump_sec_larb(int larb, int port);
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#endif
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int mtk_switch_secure_debug_func(unsigned int m4u_id, bool enable);
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void mtk_iommu_atf_test(unsigned int m4u_id, unsigned int cmd);
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bool mtk_dev_is_size_alignment(struct device *dev);
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char *mtk_iommu_get_port_name(unsigned int m4u_id,
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unsigned int tf_id);
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int __mtk_dump_reg_for_hang_issue(unsigned int m4u_id,
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struct seq_file *s);
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void mtk_dump_reg_for_hang_issue(unsigned int type);
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void mtk_iommu_switch_tf_test(bool enable, const char *msg);
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int mtk_iommu_power_switch_by_id(unsigned int m4uid,
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bool enable, char *master);
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unsigned int mtk_iommu_power_support(void);
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void mtk_iommu_tlb_flush_all(void *cookie);
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int mtk_iommu_get_port_id(struct device *dev);
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#endif
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