1 files changed, 290 insertions, 0 deletions
diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h
new file mode 100644
index 000000000..f8260e5c7
--- /dev/null
+++ b/include/trace/events/ufs.h
@@ -0,0 +1,290 @@
+/*
+ * 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>