1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
4  */
5 
6 #undef TRACE_SYSTEM
7 #define TRACE_SYSTEM ufs
8 
9 #if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ)
10 #define _TRACE_UFS_H
11 
12 #include <linux/tracepoint.h>
13 
14 #define UFS_LINK_STATES			\
15 	EM(UIC_LINK_OFF_STATE)		\
16 	EM(UIC_LINK_ACTIVE_STATE)	\
17 	EMe(UIC_LINK_HIBERN8_STATE)
18 
19 #define UFS_PWR_MODES			\
20 	EM(UFS_ACTIVE_PWR_MODE)		\
21 	EM(UFS_SLEEP_PWR_MODE)		\
22 	EMe(UFS_POWERDOWN_PWR_MODE)
23 
24 #define UFSCHD_CLK_GATING_STATES	\
25 	EM(CLKS_OFF)			\
26 	EM(CLKS_ON)			\
27 	EM(REQ_CLKS_OFF)		\
28 	EMe(REQ_CLKS_ON)
29 
30 /* Enums require being exported to userspace, for user tool parsing */
31 #undef EM
32 #undef EMe
33 #define EM(a)	TRACE_DEFINE_ENUM(a);
34 #define EMe(a)	TRACE_DEFINE_ENUM(a);
35 
36 UFS_LINK_STATES;
37 UFS_PWR_MODES;
38 UFSCHD_CLK_GATING_STATES;
39 
40 /*
41  * Now redefine the EM() and EMe() macros to map the enums to the strings
42  * that will be printed in the output.
43  */
44 #undef EM
45 #undef EMe
46 #define EM(a)	{ a, #a },
47 #define EMe(a)	{ a, #a }
48 
49 TRACE_EVENT(ufshcd_clk_gating,
50 
51 	TP_PROTO(const char *dev_name, int state),
52 
53 	TP_ARGS(dev_name, state),
54 
55 	TP_STRUCT__entry(
56 		__string(dev_name, dev_name)
57 		__field(int, state)
58 	),
59 
60 	TP_fast_assign(
61 		__assign_str(dev_name, dev_name);
62 		__entry->state = state;
63 	),
64 
65 	TP_printk("%s: gating state changed to %s",
66 		__get_str(dev_name),
67 		__print_symbolic(__entry->state, UFSCHD_CLK_GATING_STATES))
68 );
69 
70 TRACE_EVENT(ufshcd_clk_scaling,
71 
72 	TP_PROTO(const char *dev_name, const char *state, const char *clk,
73 		u32 prev_state, u32 curr_state),
74 
75 	TP_ARGS(dev_name, state, clk, prev_state, curr_state),
76 
77 	TP_STRUCT__entry(
78 		__string(dev_name, dev_name)
79 		__string(state, state)
80 		__string(clk, clk)
81 		__field(u32, prev_state)
82 		__field(u32, curr_state)
83 	),
84 
85 	TP_fast_assign(
86 		__assign_str(dev_name, dev_name);
87 		__assign_str(state, state);
88 		__assign_str(clk, clk);
89 		__entry->prev_state = prev_state;
90 		__entry->curr_state = curr_state;
91 	),
92 
93 	TP_printk("%s: %s %s from %u to %u Hz",
94 		__get_str(dev_name), __get_str(state), __get_str(clk),
95 		__entry->prev_state, __entry->curr_state)
96 );
97 
98 TRACE_EVENT(ufshcd_auto_bkops_state,
99 
100 	TP_PROTO(const char *dev_name, const char *state),
101 
102 	TP_ARGS(dev_name, state),
103 
104 	TP_STRUCT__entry(
105 		__string(dev_name, dev_name)
106 		__string(state, state)
107 	),
108 
109 	TP_fast_assign(
110 		__assign_str(dev_name, dev_name);
111 		__assign_str(state, state);
112 	),
113 
114 	TP_printk("%s: auto bkops - %s",
115 		__get_str(dev_name), __get_str(state))
116 );
117 
118 DECLARE_EVENT_CLASS(ufshcd_profiling_template,
119 	TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
120 		 int err),
121 
122 	TP_ARGS(dev_name, profile_info, time_us, err),
123 
124 	TP_STRUCT__entry(
125 		__string(dev_name, dev_name)
126 		__string(profile_info, profile_info)
127 		__field(s64, time_us)
128 		__field(int, err)
129 	),
130 
131 	TP_fast_assign(
132 		__assign_str(dev_name, dev_name);
133 		__assign_str(profile_info, profile_info);
134 		__entry->time_us = time_us;
135 		__entry->err = err;
136 	),
137 
138 	TP_printk("%s: %s: took %lld usecs, err %d",
139 		__get_str(dev_name), __get_str(profile_info),
140 		__entry->time_us, __entry->err)
141 );
142 
143 DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_hibern8,
144 	TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
145 		 int err),
146 	TP_ARGS(dev_name, profile_info, time_us, err));
147 
148 DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_gating,
149 	TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
150 		 int err),
151 	TP_ARGS(dev_name, profile_info, time_us, err));
152 
153 DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_scaling,
154 	TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
155 		 int err),
156 	TP_ARGS(dev_name, profile_info, time_us, err));
157 
158 DECLARE_EVENT_CLASS(ufshcd_template,
159 	TP_PROTO(const char *dev_name, int err, s64 usecs,
160 		 int dev_state, int link_state),
161 
162 	TP_ARGS(dev_name, err, usecs, dev_state, link_state),
163 
164 	TP_STRUCT__entry(
165 		__field(s64, usecs)
166 		__field(int, err)
167 		__string(dev_name, dev_name)
168 		__field(int, dev_state)
169 		__field(int, link_state)
170 	),
171 
172 	TP_fast_assign(
173 		__entry->usecs = usecs;
174 		__entry->err = err;
175 		__assign_str(dev_name, dev_name);
176 		__entry->dev_state = dev_state;
177 		__entry->link_state = link_state;
178 	),
179 
180 	TP_printk(
181 		"%s: took %lld usecs, dev_state: %s, link_state: %s, err %d",
182 		__get_str(dev_name),
183 		__entry->usecs,
184 		__print_symbolic(__entry->dev_state, UFS_PWR_MODES),
185 		__print_symbolic(__entry->link_state, UFS_LINK_STATES),
186 		__entry->err
187 	)
188 );
189 
190 DEFINE_EVENT(ufshcd_template, ufshcd_system_suspend,
191 	     TP_PROTO(const char *dev_name, int err, s64 usecs,
192 		      int dev_state, int link_state),
193 	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
194 
195 DEFINE_EVENT(ufshcd_template, ufshcd_system_resume,
196 	     TP_PROTO(const char *dev_name, int err, s64 usecs,
197 		      int dev_state, int link_state),
198 	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
199 
200 DEFINE_EVENT(ufshcd_template, ufshcd_runtime_suspend,
201 	     TP_PROTO(const char *dev_name, int err, s64 usecs,
202 		      int dev_state, int link_state),
203 	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
204 
205 DEFINE_EVENT(ufshcd_template, ufshcd_runtime_resume,
206 	     TP_PROTO(const char *dev_name, int err, s64 usecs,
207 		      int dev_state, int link_state),
208 	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
209 
210 DEFINE_EVENT(ufshcd_template, ufshcd_init,
211 	     TP_PROTO(const char *dev_name, int err, s64 usecs,
212 		      int dev_state, int link_state),
213 	     TP_ARGS(dev_name, err, usecs, dev_state, link_state));
214 
215 TRACE_EVENT(ufshcd_command,
216 	TP_PROTO(const char *dev_name, const char *str, unsigned int tag,
217 			u32 doorbell, int transfer_len, u32 intr, u64 lba,
218 			u8 opcode),
219 
220 	TP_ARGS(dev_name, str, tag, doorbell, transfer_len, intr, lba, opcode),
221 
222 	TP_STRUCT__entry(
223 		__string(dev_name, dev_name)
224 		__string(str, str)
225 		__field(unsigned int, tag)
226 		__field(u32, doorbell)
227 		__field(int, transfer_len)
228 		__field(u32, intr)
229 		__field(u64, lba)
230 		__field(u8, opcode)
231 	),
232 
233 	TP_fast_assign(
234 		__assign_str(dev_name, dev_name);
235 		__assign_str(str, str);
236 		__entry->tag = tag;
237 		__entry->doorbell = doorbell;
238 		__entry->transfer_len = transfer_len;
239 		__entry->intr = intr;
240 		__entry->lba = lba;
241 		__entry->opcode = opcode;
242 	),
243 
244 	TP_printk(
245 		"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x",
246 		__get_str(str), __get_str(dev_name), __entry->tag,
247 		__entry->doorbell, __entry->transfer_len,
248 		__entry->intr, __entry->lba, (u32)__entry->opcode
249 	)
250 );
251 
252 TRACE_EVENT(ufshcd_upiu,
253 	TP_PROTO(const char *dev_name, const char *str, void *hdr, void *tsf),
254 
255 	TP_ARGS(dev_name, str, hdr, tsf),
256 
257 	TP_STRUCT__entry(
258 		__string(dev_name, dev_name)
259 		__string(str, str)
260 		__array(unsigned char, hdr, 12)
261 		__array(unsigned char, tsf, 16)
262 	),
263 
264 	TP_fast_assign(
265 		__assign_str(dev_name, dev_name);
266 		__assign_str(str, str);
267 		memcpy(__entry->hdr, hdr, sizeof(__entry->hdr));
268 		memcpy(__entry->tsf, tsf, sizeof(__entry->tsf));
269 	),
270 
271 	TP_printk(
272 		"%s: %s: HDR:%s, CDB:%s",
273 		__get_str(str), __get_str(dev_name),
274 		__print_hex(__entry->hdr, sizeof(__entry->hdr)),
275 		__print_hex(__entry->tsf, sizeof(__entry->tsf))
276 	)
277 );
278 
279 #endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */
280 
281 /* This part must be outside protection */
282 #include <trace/define_trace.h>
283