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1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM spi4 5#if !defined(_TRACE_SPI_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_SPI_H7 8#include <linux/ktime.h>9#include <linux/tracepoint.h>10 11DECLARE_EVENT_CLASS(spi_controller,12 13 TP_PROTO(struct spi_controller *controller),14 15 TP_ARGS(controller),16 17 TP_STRUCT__entry(18 __field( int, bus_num )19 ),20 21 TP_fast_assign(22 __entry->bus_num = controller->bus_num;23 ),24 25 TP_printk("spi%d", (int)__entry->bus_num)26 27);28 29DEFINE_EVENT(spi_controller, spi_controller_idle,30 31 TP_PROTO(struct spi_controller *controller),32 33 TP_ARGS(controller)34 35);36 37DEFINE_EVENT(spi_controller, spi_controller_busy,38 39 TP_PROTO(struct spi_controller *controller),40 41 TP_ARGS(controller)42 43);44 45TRACE_EVENT(spi_setup,46 TP_PROTO(struct spi_device *spi, int status),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_word)54 __field(unsigned int, max_speed_hz)55 __field(int, status)56 ),57 58 TP_fast_assign(59 __entry->bus_num = spi->controller->bus_num;60 __entry->chip_select = spi_get_chipselect(spi, 0);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;65 ),66 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,75 __entry->status)76);77 78TRACE_EVENT(spi_set_cs,79 TP_PROTO(struct spi_device *spi, bool enable),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->controller->bus_num;91 __entry->chip_select = spi_get_chipselect(spi, 0);92 __entry->mode = spi->mode;93 __entry->enable = enable;94 ),95 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" : "")100);101 102DECLARE_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, bus_num )110 __field( int, chip_select )111 __field( struct spi_message *, msg )112 ),113 114 TP_fast_assign(115 __entry->bus_num = msg->spi->controller->bus_num;116 __entry->chip_select = spi_get_chipselect(msg->spi, 0);117 __entry->msg = msg;118 ),119 120 TP_printk("spi%d.%d %p", (int)__entry->bus_num,121 (int)__entry->chip_select,122 (struct spi_message *)__entry->msg)123);124 125DEFINE_EVENT(spi_message, spi_message_submit,126 127 TP_PROTO(struct spi_message *msg),128 129 TP_ARGS(msg)130 131);132 133DEFINE_EVENT(spi_message, spi_message_start,134 135 TP_PROTO(struct spi_message *msg),136 137 TP_ARGS(msg)138 139);140 141TRACE_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, bus_num )149 __field( int, chip_select )150 __field( struct spi_message *, msg )151 __field( unsigned, frame )152 __field( unsigned, actual )153 ),154 155 TP_fast_assign(156 __entry->bus_num = msg->spi->controller->bus_num;157 __entry->chip_select = spi_get_chipselect(msg->spi, 0);158 __entry->msg = msg;159 __entry->frame = msg->frame_length;160 __entry->actual = msg->actual_length;161 ),162 163 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)167);168 169/*170 * Consider a buffer valid if non-NULL and if it doesn't match the dummy buffer171 * that only exist to work with controllers that have SPI_CONTROLLER_MUST_TX or172 * SPI_CONTROLLER_MUST_RX.173 */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)178 179DECLARE_EVENT_CLASS(spi_transfer,180 181 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),182 183 TP_ARGS(msg, xfer),184 185 TP_STRUCT__entry(186 __field( int, bus_num )187 __field( int, chip_select )188 __field( struct spi_transfer *, xfer )189 __field( int, len )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)196 ),197 198 TP_fast_assign(199 __entry->bus_num = msg->spi->controller->bus_num;200 __entry->chip_select = spi_get_chipselect(msg->spi, 0);201 __entry->xfer = xfer;202 __entry->len = xfer->len;203 204 if (spi_valid_txbuf(msg, xfer))205 memcpy(__get_dynamic_array(tx_buf),206 xfer->tx_buf, __get_dynamic_array_len(tx_buf));207 208 if (spi_valid_rxbuf(msg, xfer))209 memcpy(__get_dynamic_array(rx_buf),210 xfer->rx_buf, __get_dynamic_array_len(rx_buf));211 ),212 213 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))218);219 220DEFINE_EVENT(spi_transfer, spi_transfer_start,221 222 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),223 224 TP_ARGS(msg, xfer)225 226);227 228DEFINE_EVENT(spi_transfer, spi_transfer_stop,229 230 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),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