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/*
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ufs
#if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_UFS_H
#include <linux/tracepoint.h>
#define UFS_LINK_STATES \
EM(UIC_LINK_OFF_STATE) \
EM(UIC_LINK_ACTIVE_STATE) \
EMe(UIC_LINK_HIBERN8_STATE)
#define UFS_PWR_MODES \
EM(UFS_ACTIVE_PWR_MODE) \
EM(UFS_SLEEP_PWR_MODE) \
EMe(UFS_POWERDOWN_PWR_MODE)
#define UFSCHD_CLK_GATING_STATES \
EM(CLKS_OFF) \
EM(CLKS_ON) \
EM(REQ_CLKS_OFF) \
EMe(REQ_CLKS_ON)
/* Enums require being exported to userspace, for user tool parsing */
#undef EM
#undef EMe
#define EM(a) TRACE_DEFINE_ENUM(a);
#define EMe(a) TRACE_DEFINE_ENUM(a);
UFS_LINK_STATES;
UFS_PWR_MODES;
UFSCHD_CLK_GATING_STATES;
/*
* Now redefine the EM() and EMe() macros to map the enums to the strings
* that will be printed in the output.
*/
#undef EM
#undef EMe
#define EM(a) { a, #a },
#define EMe(a) { a, #a }
TRACE_EVENT(ufshcd_clk_gating,
TP_PROTO(const char *dev_name, int state),
TP_ARGS(dev_name, state),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__field(int, state)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->state = state;
),
TP_printk("%s: gating state changed to %s",
__get_str(dev_name),
__print_symbolic(__entry->state, UFSCHD_CLK_GATING_STATES))
);
TRACE_EVENT(ufshcd_clk_scaling,
TP_PROTO(const char *dev_name, const char *state, const char *clk,
u32 prev_state, u32 curr_state),
TP_ARGS(dev_name, state, clk, prev_state, curr_state),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(state, state)
__string(clk, clk)
__field(u32, prev_state)
__field(u32, curr_state)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(state, state);
__assign_str(clk, clk);
__entry->prev_state = prev_state;
__entry->curr_state = curr_state;
),
TP_printk("%s: %s %s from %u to %u Hz",
__get_str(dev_name), __get_str(state), __get_str(clk),
__entry->prev_state, __entry->curr_state)
);
TRACE_EVENT(ufshcd_auto_bkops_state,
TP_PROTO(const char *dev_name, const char *state),
TP_ARGS(dev_name, state),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(state, state)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(state, state);
),
TP_printk("%s: auto bkops - %s",
__get_str(dev_name), __get_str(state))
);
DECLARE_EVENT_CLASS(ufshcd_profiling_template,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(profile_info, profile_info)
__field(s64, time_us)
__field(int, err)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(profile_info, profile_info);
__entry->time_us = time_us;
__entry->err = err;
),
TP_printk("%s: %s: took %lld usecs, err %d",
__get_str(dev_name), __get_str(profile_info),
__entry->time_us, __entry->err)
);
DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_hibern8,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err));
DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_gating,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err));
DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_scaling,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err));
DECLARE_EVENT_CLASS(ufshcd_template,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state),
TP_STRUCT__entry(
__field(s64, usecs)
__field(int, err)
__string(dev_name, dev_name)
__field(int, dev_state)
__field(int, link_state)
),
TP_fast_assign(
__entry->usecs = usecs;
__entry->err = err;
__assign_str(dev_name, dev_name);
__entry->dev_state = dev_state;
__entry->link_state = link_state;
),
TP_printk(
"%s: took %lld usecs, dev_state: %s, link_state: %s, err %d",
__get_str(dev_name),
__entry->usecs,
__print_symbolic(__entry->dev_state, UFS_PWR_MODES),
__print_symbolic(__entry->link_state, UFS_LINK_STATES),
__entry->err
)
);
DEFINE_EVENT(ufshcd_template, ufshcd_system_suspend,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_system_resume,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_runtime_suspend,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_runtime_resume,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_init,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
TRACE_EVENT(ufshcd_command,
TP_PROTO(const char *dev_name, const char *str, unsigned int tag,
u32 doorbell, int transfer_len, u32 intr, u64 lba,
u8 opcode),
TP_ARGS(dev_name, str, tag, doorbell, transfer_len, intr, lba, opcode),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(str, str)
__field(unsigned int, tag)
__field(u32, doorbell)
__field(int, transfer_len)
__field(u32, intr)
__field(u64, lba)
__field(u8, opcode)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(str, str);
__entry->tag = tag;
__entry->doorbell = doorbell;
__entry->transfer_len = transfer_len;
__entry->intr = intr;
__entry->lba = lba;
__entry->opcode = opcode;
),
TP_printk(
"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x",
__get_str(str), __get_str(dev_name), __entry->tag,
__entry->doorbell, __entry->transfer_len,
__entry->intr, __entry->lba, (u32)__entry->opcode
)
);
TRACE_EVENT(ufshcd_upiu,
TP_PROTO(const char *dev_name, const char *str, void *hdr, void *tsf),
TP_ARGS(dev_name, str, hdr, tsf),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(str, str)
__array(unsigned char, hdr, 12)
__array(unsigned char, tsf, 16)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(str, str);
memcpy(__entry->hdr, hdr, sizeof(__entry->hdr));
memcpy(__entry->tsf, tsf, sizeof(__entry->tsf));
),
TP_printk(
"%s: %s: HDR:%s, CDB:%s",
__get_str(str), __get_str(dev_name),
__print_hex(__entry->hdr, sizeof(__entry->hdr)),
__print_hex(__entry->tsf, sizeof(__entry->tsf))
)
);
#endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>
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