1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM spi
4
5 #if !defined(_TRACE_SPI_H) || defined(TRACE_HE
6 #define _TRACE_SPI_H
7
8 #include <linux/ktime.h>
9 #include <linux/tracepoint.h>
10
11 DECLARE_EVENT_CLASS(spi_controller,
12
13 TP_PROTO(struct spi_controller *contro
14
15 TP_ARGS(controller),
16
17 TP_STRUCT__entry(
18 __field( int,
19 ),
20
21 TP_fast_assign(
22 __entry->bus_num = controller-
23 ),
24
25 TP_printk("spi%d", (int)__entry->bus_n
26
27 );
28
29 DEFINE_EVENT(spi_controller, spi_controller_id
30
31 TP_PROTO(struct spi_controller *contro
32
33 TP_ARGS(controller)
34
35 );
36
37 DEFINE_EVENT(spi_controller, spi_controller_bu
38
39 TP_PROTO(struct spi_controller *contro
40
41 TP_ARGS(controller)
42
43 );
44
45 TRACE_EVENT(spi_setup,
46 TP_PROTO(struct spi_device *spi, int s
47 TP_ARGS(spi, status),
48
49 TP_STRUCT__entry(
50 __field(int, bus_num)
51 __field(int, chip_select)
52 __field(unsigned long, mode)
53 __field(unsigned int, bits_per
54 __field(unsigned int, max_spee
55 __field(int, status)
56 ),
57
58 TP_fast_assign(
59 __entry->bus_num = spi->contro
60 __entry->chip_select = spi_ge
61 __entry->mode = spi->mode;
62 __entry->bits_per_word = spi->
63 __entry->max_speed_hz = spi->m
64 __entry->status = status;
65 ),
66
67 TP_printk("spi%d.%d setup mode %lu, %s
68 __entry->bus_num, __entry->c
69 (__entry->mode & SPI_MODE_X_
70 (__entry->mode & SPI_CS_HIGH
71 (__entry->mode & SPI_LSB_FIR
72 (__entry->mode & SPI_3WIRE)
73 (__entry->mode & SPI_LOOP) ?
74 __entry->bits_per_word, __en
75 __entry->status)
76 );
77
78 TRACE_EVENT(spi_set_cs,
79 TP_PROTO(struct spi_device *spi, bool
80 TP_ARGS(spi, enable),
81
82 TP_STRUCT__entry(
83 __field(int, bus_num)
84 __field(int, chip_select)
85 __field(unsigned long, mode)
86 __field(bool, enable)
87 ),
88
89 TP_fast_assign(
90 __entry->bus_num = spi->contro
91 __entry->chip_select = spi_get
92 __entry->mode = spi->mode;
93 __entry->enable = enable;
94 ),
95
96 TP_printk("spi%d.%d %s%s",
97 __entry->bus_num, __entry->c
98 __entry->enable ? "activate"
99 (__entry->mode & SPI_CS_HIGH
100 );
101
102 DECLARE_EVENT_CLASS(spi_message,
103
104 TP_PROTO(struct spi_message *msg),
105
106 TP_ARGS(msg),
107
108 TP_STRUCT__entry(
109 __field( int,
110 __field( int,
111 __field( struct spi_mes
112 ),
113
114 TP_fast_assign(
115 __entry->bus_num = msg->spi->c
116 __entry->chip_select = spi_get
117 __entry->msg = msg;
118 ),
119
120 TP_printk("spi%d.%d %p", (int)__entry-
121 (int)__entry->chip_select,
122 (struct spi_message *)__entr
123 );
124
125 DEFINE_EVENT(spi_message, spi_message_submit,
126
127 TP_PROTO(struct spi_message *msg),
128
129 TP_ARGS(msg)
130
131 );
132
133 DEFINE_EVENT(spi_message, spi_message_start,
134
135 TP_PROTO(struct spi_message *msg),
136
137 TP_ARGS(msg)
138
139 );
140
141 TRACE_EVENT(spi_message_done,
142
143 TP_PROTO(struct spi_message *msg),
144
145 TP_ARGS(msg),
146
147 TP_STRUCT__entry(
148 __field( int,
149 __field( int,
150 __field( struct spi_mes
151 __field( unsigned,
152 __field( unsigned,
153 ),
154
155 TP_fast_assign(
156 __entry->bus_num = msg->spi->c
157 __entry->chip_select = spi_get
158 __entry->msg = msg;
159 __entry->frame = msg->frame_le
160 __entry->actual = msg->actual_
161 ),
162
163 TP_printk("spi%d.%d %p len=%u/%u", (in
164 (int)__entry->chip_select,
165 (struct spi_message *)__entr
166 (unsigned)__entry->actual, (
167 );
168
169 /*
170 * Consider a buffer valid if non-NULL and if
171 * that only exist to work with controllers th
172 * SPI_CONTROLLER_MUST_RX.
173 */
174 #define spi_valid_txbuf(msg, xfer) \
175 (xfer->tx_buf && xfer->tx_buf != msg->
176 #define spi_valid_rxbuf(msg, xfer) \
177 (xfer->rx_buf && xfer->rx_buf != msg->
178
179 DECLARE_EVENT_CLASS(spi_transfer,
180
181 TP_PROTO(struct spi_message *msg, stru
182
183 TP_ARGS(msg, xfer),
184
185 TP_STRUCT__entry(
186 __field( int,
187 __field( int,
188 __field( struct spi_tra
189 __field( int,
190 __dynamic_array(u8, rx_buf,
191 spi_valid_rxbu
192 (xfer-
193 __dynamic_array(u8, tx_buf,
194 spi_valid_txbu
195 (xfer-
196 ),
197
198 TP_fast_assign(
199 __entry->bus_num = msg->spi->c
200 __entry->chip_select = spi_get
201 __entry->xfer = xfer;
202 __entry->len = xfer->len;
203
204 if (spi_valid_txbuf(msg, xfer)
205 memcpy(__get_dynamic_a
206 xfer->tx_buf, _
207
208 if (spi_valid_rxbuf(msg, xfer)
209 memcpy(__get_dynamic_a
210 xfer->rx_buf, _
211 ),
212
213 TP_printk("spi%d.%d %p len=%d tx=[%*ph
214 __entry->bus_num, __entry->c
215 __entry->xfer, __entry->len,
216 __get_dynamic_array_len(tx_b
217 __get_dynamic_array_len(rx_b
218 );
219
220 DEFINE_EVENT(spi_transfer, spi_transfer_start,
221
222 TP_PROTO(struct spi_message *msg, stru
223
224 TP_ARGS(msg, xfer)
225
226 );
227
228 DEFINE_EVENT(spi_transfer, spi_transfer_stop,
229
230 TP_PROTO(struct spi_message *msg, stru
231
232 TP_ARGS(msg, xfer)
233
234 );
235
236 #endif /* _TRACE_POWER_H */
237
238 /* This part must be outside protection */
239 #include <trace/define_trace.h>
240
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