1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM spi
5 #if !defined(_TRACE_SPI_H) || defined(TRACE_HEADER_MULTI_READ)
8 #include <linux/ktime.h>
9 #include <linux/tracepoint.h>
11 DECLARE_EVENT_CLASS(spi_controller,
13 TP_PROTO(struct spi_controller *controller),
18 __field( int, bus_num )
22 __entry->bus_num = controller->bus_num;
25 TP_printk("spi%d", (int)__entry->bus_num)
29 DEFINE_EVENT(spi_controller, spi_controller_idle,
31 TP_PROTO(struct spi_controller *controller),
37 DEFINE_EVENT(spi_controller, spi_controller_busy,
39 TP_PROTO(struct spi_controller *controller),
45 TRACE_EVENT(spi_setup,
46 TP_PROTO(struct spi_device *spi, int status),
51 __field(int, chip_select)
52 __field(unsigned long, mode)
53 __field(unsigned int, bits_per_word)
54 __field(unsigned int, max_speed_hz)
59 __entry->bus_num = spi->controller->bus_num;
60 __entry->chip_select = spi->chip_select;
61 __entry->mode = spi->mode;
62 __entry->bits_per_word = spi->bits_per_word;
63 __entry->max_speed_hz = spi->max_speed_hz;
64 __entry->status = status;
67 TP_printk("spi%d.%d setup mode %lu, %s%s%s%s%u bits/w, %u Hz max --> %d",
68 __entry->bus_num, __entry->chip_select,
69 (__entry->mode & SPI_MODE_X_MASK),
70 (__entry->mode & SPI_CS_HIGH) ? "cs_high, " : "",
71 (__entry->mode & SPI_LSB_FIRST) ? "lsb, " : "",
72 (__entry->mode & SPI_3WIRE) ? "3wire, " : "",
73 (__entry->mode & SPI_LOOP) ? "loopback, " : "",
74 __entry->bits_per_word, __entry->max_speed_hz,
78 TRACE_EVENT(spi_set_cs,
79 TP_PROTO(struct spi_device *spi, bool enable),
84 __field(int, chip_select)
85 __field(unsigned long, mode)
90 __entry->bus_num = spi->controller->bus_num;
91 __entry->chip_select = spi->chip_select;
92 __entry->mode = spi->mode;
93 __entry->enable = enable;
96 TP_printk("spi%d.%d %s%s",
97 __entry->bus_num, __entry->chip_select,
98 __entry->enable ? "activate" : "deactivate",
99 (__entry->mode & SPI_CS_HIGH) ? ", cs_high" : "")
102 DECLARE_EVENT_CLASS(spi_message,
104 TP_PROTO(struct spi_message *msg),
109 __field( int, bus_num )
110 __field( int, chip_select )
111 __field( struct spi_message *, msg )
115 __entry->bus_num = msg->spi->controller->bus_num;
116 __entry->chip_select = msg->spi->chip_select;
120 TP_printk("spi%d.%d %p", (int)__entry->bus_num,
121 (int)__entry->chip_select,
122 (struct spi_message *)__entry->msg)
125 DEFINE_EVENT(spi_message, spi_message_submit,
127 TP_PROTO(struct spi_message *msg),
133 DEFINE_EVENT(spi_message, spi_message_start,
135 TP_PROTO(struct spi_message *msg),
141 TRACE_EVENT(spi_message_done,
143 TP_PROTO(struct spi_message *msg),
148 __field( int, bus_num )
149 __field( int, chip_select )
150 __field( struct spi_message *, msg )
151 __field( unsigned, frame )
152 __field( unsigned, actual )
156 __entry->bus_num = msg->spi->controller->bus_num;
157 __entry->chip_select = msg->spi->chip_select;
159 __entry->frame = msg->frame_length;
160 __entry->actual = msg->actual_length;
163 TP_printk("spi%d.%d %p len=%u/%u", (int)__entry->bus_num,
164 (int)__entry->chip_select,
165 (struct spi_message *)__entry->msg,
166 (unsigned)__entry->actual, (unsigned)__entry->frame)
170 * consider a buffer valid if non-NULL and if it doesn't match the dummy buffer
171 * that only exist to work with controllers that have SPI_CONTROLLER_MUST_TX or
172 * SPI_CONTROLLER_MUST_RX.
174 #define spi_valid_txbuf(msg, xfer) \
175 (xfer->tx_buf && xfer->tx_buf != msg->spi->controller->dummy_tx)
176 #define spi_valid_rxbuf(msg, xfer) \
177 (xfer->rx_buf && xfer->rx_buf != msg->spi->controller->dummy_rx)
179 DECLARE_EVENT_CLASS(spi_transfer,
181 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
186 __field( int, bus_num )
187 __field( int, chip_select )
188 __field( struct spi_transfer *, xfer )
190 __dynamic_array(u8, rx_buf,
191 spi_valid_rxbuf(msg, xfer) ?
192 (xfer->len < 64 ? xfer->len : 64) : 0)
193 __dynamic_array(u8, tx_buf,
194 spi_valid_txbuf(msg, xfer) ?
195 (xfer->len < 64 ? xfer->len : 64) : 0)
199 __entry->bus_num = msg->spi->controller->bus_num;
200 __entry->chip_select = msg->spi->chip_select;
201 __entry->xfer = xfer;
202 __entry->len = xfer->len;
204 if (spi_valid_txbuf(msg, xfer))
205 memcpy(__get_dynamic_array(tx_buf),
206 xfer->tx_buf, __get_dynamic_array_len(tx_buf));
208 if (spi_valid_rxbuf(msg, xfer))
209 memcpy(__get_dynamic_array(rx_buf),
210 xfer->rx_buf, __get_dynamic_array_len(rx_buf));
213 TP_printk("spi%d.%d %p len=%d tx=[%*phD] rx=[%*phD]",
214 __entry->bus_num, __entry->chip_select,
215 __entry->xfer, __entry->len,
216 __get_dynamic_array_len(tx_buf), __get_dynamic_array(tx_buf),
217 __get_dynamic_array_len(rx_buf), __get_dynamic_array(rx_buf))
220 DEFINE_EVENT(spi_transfer, spi_transfer_start,
222 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
228 DEFINE_EVENT(spi_transfer, spi_transfer_stop,
230 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
236 #endif /* _TRACE_POWER_H */
238 /* This part must be outside protection */
239 #include <trace/define_trace.h>