129 lines
2.4 KiB
C
Executable file
129 lines
2.4 KiB
C
Executable file
/* 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 _UFS_MEDIATEK_DBG_H
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#define _UFS_MEDIATEK_DBG_H
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#include <linux/device.h>
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#include <linux/seq_file.h>
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#include <linux/types.h>
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/*
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* snprintf may return a value of size or "more" to indicate
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* that the output was truncated, thus be careful of "more"
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* case.
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*/
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#define SPREAD_PRINTF(buff, size, evt, fmt, args...) \
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do { \
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if (buff && size && *(size)) { \
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unsigned long var = snprintf(*(buff), *(size), fmt, ##args); \
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if (var > 0) { \
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if (var > *(size)) \
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var = *(size); \
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*(size) -= var; \
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*(buff) += var; \
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} \
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} \
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if (evt) \
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seq_printf(evt, fmt, ##args); \
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if (!buff && !evt) { \
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pr_info(fmt, ##args); \
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} \
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} while (0)
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#define SPREAD_DEV_PRINTF(buff, size, evt, dev, fmt, args...) \
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do { \
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if (buff && size && *(size)) { \
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unsigned long var = snprintf(*(buff), *(size), fmt, ##args); \
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if (var > 0) { \
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*(size) -= var; \
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*(buff) += var; \
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} \
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} \
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if (evt) \
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seq_printf(evt, fmt, ##args); \
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if (!buff && !evt) { \
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dev_info(dev, fmt, ##args); \
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} \
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} while (0)
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enum ufsdbg_cmd_type {
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UFSDBG_CMD_LIST_DUMP = 0,
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UFSDBG_PWR_MODE_DUMP = 1,
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UFSDBG_HEALTH_DUMP = 2,
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UFSDBG_CMD_LIST_ENABLE = 3,
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UFSDBG_CMD_LIST_DISABLE = 4,
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UFS_CMD_QOS_ON = 5,
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UFS_CMD_QOS_OFF = 6,
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UFSDBG_UNKNOWN
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};
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enum cmd_hist_event {
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CMD_SEND,
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CMD_COMPLETED,
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CMD_DEV_SEND,
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CMD_DEV_COMPLETED,
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CMD_TM_SEND,
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CMD_TM_COMPLETED,
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CMD_UIC_SEND,
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CMD_UIC_CMPL_GENERAL,
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CMD_UIC_CMPL_PWR_CTRL,
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CMD_REG_TOGGLE,
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CMD_ABORTING,
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CMD_DI_FAIL,
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CMD_DEVICE_RESET,
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CMD_PERF_MODE,
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CMD_DEBUG_PROC,
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CMD_GENERIC,
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CMD_CLK_GATING,
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};
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struct utp_cmd_struct {
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u8 opcode;
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u8 crypt_en;
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u8 crypt_keyslot;
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u16 tag;
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u32 doorbell;
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u32 intr;
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int transfer_len;
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u64 lba;
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};
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struct uic_cmd_struct {
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u8 cmd;
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u32 arg1;
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u32 arg2;
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u32 arg3;
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};
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struct clk_gating_event_struct {
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u8 state;
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};
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struct cmd_hist_struct {
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u8 cpu;
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enum cmd_hist_event event;
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pid_t pid;
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u64 time;
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u64 duration;
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union {
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struct utp_cmd_struct utp;
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struct uic_cmd_struct uic;
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struct clk_gating_event_struct clk_gating;
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} cmd;
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};
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int ufsdbg_register(struct device *dev);
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int cmd_hist_enable(void);
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int cmd_hist_disable(void);
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void ufs_mediatek_dbg_dump(void);
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void ufs_mtk_dbg_add_trace(const char *dev_name,
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const char *str, unsigned int tag,
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u32 doorbell, int transfer_len, u32 intr,
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u64 lba, u8 opcode,
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u8 crypt_en, u8 crypt_keyslot);
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#endif
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