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-rw-r--r--include/trace/events/spi.h239
1 files changed, 239 insertions, 0 deletions
diff --git a/include/trace/events/spi.h b/include/trace/events/spi.h
new file mode 100644
index 0000000000..e63d4a24d8
--- /dev/null
+++ b/include/trace/events/spi.h
@@ -0,0 +1,239 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM spi
+
+#if !defined(_TRACE_SPI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SPI_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(spi_controller,
+
+ TP_PROTO(struct spi_controller *controller),
+
+ TP_ARGS(controller),
+
+ TP_STRUCT__entry(
+ __field( int, bus_num )
+ ),
+
+ TP_fast_assign(
+ __entry->bus_num = controller->bus_num;
+ ),
+
+ TP_printk("spi%d", (int)__entry->bus_num)
+
+);
+
+DEFINE_EVENT(spi_controller, spi_controller_idle,
+
+ TP_PROTO(struct spi_controller *controller),
+
+ TP_ARGS(controller)
+
+);
+
+DEFINE_EVENT(spi_controller, spi_controller_busy,
+
+ TP_PROTO(struct spi_controller *controller),
+
+ TP_ARGS(controller)
+
+);
+
+TRACE_EVENT(spi_setup,
+ TP_PROTO(struct spi_device *spi, int status),
+ TP_ARGS(spi, status),
+
+ TP_STRUCT__entry(
+ __field(int, bus_num)
+ __field(int, chip_select)
+ __field(unsigned long, mode)
+ __field(unsigned int, bits_per_word)
+ __field(unsigned int, max_speed_hz)
+ __field(int, status)
+ ),
+
+ TP_fast_assign(
+ __entry->bus_num = spi->controller->bus_num;
+ __entry->chip_select = spi_get_chipselect(spi, 0);
+ __entry->mode = spi->mode;
+ __entry->bits_per_word = spi->bits_per_word;
+ __entry->max_speed_hz = spi->max_speed_hz;
+ __entry->status = status;
+ ),
+
+ TP_printk("spi%d.%d setup mode %lu, %s%s%s%s%u bits/w, %u Hz max --> %d",
+ __entry->bus_num, __entry->chip_select,
+ (__entry->mode & SPI_MODE_X_MASK),
+ (__entry->mode & SPI_CS_HIGH) ? "cs_high, " : "",
+ (__entry->mode & SPI_LSB_FIRST) ? "lsb, " : "",
+ (__entry->mode & SPI_3WIRE) ? "3wire, " : "",
+ (__entry->mode & SPI_LOOP) ? "loopback, " : "",
+ __entry->bits_per_word, __entry->max_speed_hz,
+ __entry->status)
+);
+
+TRACE_EVENT(spi_set_cs,
+ TP_PROTO(struct spi_device *spi, bool enable),
+ TP_ARGS(spi, enable),
+
+ TP_STRUCT__entry(
+ __field(int, bus_num)
+ __field(int, chip_select)
+ __field(unsigned long, mode)
+ __field(bool, enable)
+ ),
+
+ TP_fast_assign(
+ __entry->bus_num = spi->controller->bus_num;
+ __entry->chip_select = spi_get_chipselect(spi, 0);
+ __entry->mode = spi->mode;
+ __entry->enable = enable;
+ ),
+
+ TP_printk("spi%d.%d %s%s",
+ __entry->bus_num, __entry->chip_select,
+ __entry->enable ? "activate" : "deactivate",
+ (__entry->mode & SPI_CS_HIGH) ? ", cs_high" : "")
+);
+
+DECLARE_EVENT_CLASS(spi_message,
+
+ TP_PROTO(struct spi_message *msg),
+
+ TP_ARGS(msg),
+
+ TP_STRUCT__entry(
+ __field( int, bus_num )
+ __field( int, chip_select )
+ __field( struct spi_message *, msg )
+ ),
+
+ TP_fast_assign(
+ __entry->bus_num = msg->spi->controller->bus_num;
+ __entry->chip_select = spi_get_chipselect(msg->spi, 0);
+ __entry->msg = msg;
+ ),
+
+ TP_printk("spi%d.%d %p", (int)__entry->bus_num,
+ (int)__entry->chip_select,
+ (struct spi_message *)__entry->msg)
+);
+
+DEFINE_EVENT(spi_message, spi_message_submit,
+
+ TP_PROTO(struct spi_message *msg),
+
+ TP_ARGS(msg)
+
+);
+
+DEFINE_EVENT(spi_message, spi_message_start,
+
+ TP_PROTO(struct spi_message *msg),
+
+ TP_ARGS(msg)
+
+);
+
+TRACE_EVENT(spi_message_done,
+
+ TP_PROTO(struct spi_message *msg),
+
+ TP_ARGS(msg),
+
+ TP_STRUCT__entry(
+ __field( int, bus_num )
+ __field( int, chip_select )
+ __field( struct spi_message *, msg )
+ __field( unsigned, frame )
+ __field( unsigned, actual )
+ ),
+
+ TP_fast_assign(
+ __entry->bus_num = msg->spi->controller->bus_num;
+ __entry->chip_select = spi_get_chipselect(msg->spi, 0);
+ __entry->msg = msg;
+ __entry->frame = msg->frame_length;
+ __entry->actual = msg->actual_length;
+ ),
+
+ TP_printk("spi%d.%d %p len=%u/%u", (int)__entry->bus_num,
+ (int)__entry->chip_select,
+ (struct spi_message *)__entry->msg,
+ (unsigned)__entry->actual, (unsigned)__entry->frame)
+);
+
+/*
+ * Consider a buffer valid if non-NULL and if it doesn't match the dummy buffer
+ * that only exist to work with controllers that have SPI_CONTROLLER_MUST_TX or
+ * SPI_CONTROLLER_MUST_RX.
+ */
+#define spi_valid_txbuf(msg, xfer) \
+ (xfer->tx_buf && xfer->tx_buf != msg->spi->controller->dummy_tx)
+#define spi_valid_rxbuf(msg, xfer) \
+ (xfer->rx_buf && xfer->rx_buf != msg->spi->controller->dummy_rx)
+
+DECLARE_EVENT_CLASS(spi_transfer,
+
+ TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
+
+ TP_ARGS(msg, xfer),
+
+ TP_STRUCT__entry(
+ __field( int, bus_num )
+ __field( int, chip_select )
+ __field( struct spi_transfer *, xfer )
+ __field( int, len )
+ __dynamic_array(u8, rx_buf,
+ spi_valid_rxbuf(msg, xfer) ?
+ (xfer->len < 64 ? xfer->len : 64) : 0)
+ __dynamic_array(u8, tx_buf,
+ spi_valid_txbuf(msg, xfer) ?
+ (xfer->len < 64 ? xfer->len : 64) : 0)
+ ),
+
+ TP_fast_assign(
+ __entry->bus_num = msg->spi->controller->bus_num;
+ __entry->chip_select = spi_get_chipselect(msg->spi, 0);
+ __entry->xfer = xfer;
+ __entry->len = xfer->len;
+
+ if (spi_valid_txbuf(msg, xfer))
+ memcpy(__get_dynamic_array(tx_buf),
+ xfer->tx_buf, __get_dynamic_array_len(tx_buf));
+
+ if (spi_valid_rxbuf(msg, xfer))
+ memcpy(__get_dynamic_array(rx_buf),
+ xfer->rx_buf, __get_dynamic_array_len(rx_buf));
+ ),
+
+ TP_printk("spi%d.%d %p len=%d tx=[%*phD] rx=[%*phD]",
+ __entry->bus_num, __entry->chip_select,
+ __entry->xfer, __entry->len,
+ __get_dynamic_array_len(tx_buf), __get_dynamic_array(tx_buf),
+ __get_dynamic_array_len(rx_buf), __get_dynamic_array(rx_buf))
+);
+
+DEFINE_EVENT(spi_transfer, spi_transfer_start,
+
+ TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
+
+ TP_ARGS(msg, xfer)
+
+);
+
+DEFINE_EVENT(spi_transfer, spi_transfer_stop,
+
+ TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
+
+ TP_ARGS(msg, xfer)
+
+);
+
+#endif /* _TRACE_POWER_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 06:44:30 +0000