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239 lines
5.8 KiB
239 lines
5.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM spi |
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#if !defined(_TRACE_SPI_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_SPI_H |
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#include <linux/ktime.h> |
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#include <linux/tracepoint.h> |
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DECLARE_EVENT_CLASS(spi_controller, |
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TP_PROTO(struct spi_controller *controller), |
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TP_ARGS(controller), |
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TP_STRUCT__entry( |
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__field( int, bus_num ) |
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), |
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TP_fast_assign( |
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__entry->bus_num = controller->bus_num; |
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), |
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TP_printk("spi%d", (int)__entry->bus_num) |
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); |
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DEFINE_EVENT(spi_controller, spi_controller_idle, |
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TP_PROTO(struct spi_controller *controller), |
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TP_ARGS(controller) |
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); |
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DEFINE_EVENT(spi_controller, spi_controller_busy, |
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TP_PROTO(struct spi_controller *controller), |
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TP_ARGS(controller) |
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); |
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TRACE_EVENT(spi_setup, |
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TP_PROTO(struct spi_device *spi, int status), |
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TP_ARGS(spi, status), |
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TP_STRUCT__entry( |
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__field(int, bus_num) |
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__field(int, chip_select) |
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__field(unsigned long, mode) |
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__field(unsigned int, bits_per_word) |
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__field(unsigned int, max_speed_hz) |
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__field(int, status) |
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), |
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TP_fast_assign( |
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__entry->bus_num = spi->controller->bus_num; |
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__entry->chip_select = spi->chip_select; |
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__entry->mode = spi->mode; |
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__entry->bits_per_word = spi->bits_per_word; |
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__entry->max_speed_hz = spi->max_speed_hz; |
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__entry->status = status; |
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), |
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TP_printk("spi%d.%d setup mode %lu, %s%s%s%s%u bits/w, %u Hz max --> %d", |
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__entry->bus_num, __entry->chip_select, |
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(__entry->mode & SPI_MODE_X_MASK), |
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(__entry->mode & SPI_CS_HIGH) ? "cs_high, " : "", |
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(__entry->mode & SPI_LSB_FIRST) ? "lsb, " : "", |
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(__entry->mode & SPI_3WIRE) ? "3wire, " : "", |
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(__entry->mode & SPI_LOOP) ? "loopback, " : "", |
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__entry->bits_per_word, __entry->max_speed_hz, |
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__entry->status) |
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); |
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TRACE_EVENT(spi_set_cs, |
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TP_PROTO(struct spi_device *spi, bool enable), |
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TP_ARGS(spi, enable), |
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TP_STRUCT__entry( |
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__field(int, bus_num) |
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__field(int, chip_select) |
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__field(unsigned long, mode) |
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__field(bool, enable) |
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), |
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TP_fast_assign( |
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__entry->bus_num = spi->controller->bus_num; |
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__entry->chip_select = spi->chip_select; |
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__entry->mode = spi->mode; |
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__entry->enable = enable; |
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), |
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TP_printk("spi%d.%d %s%s", |
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__entry->bus_num, __entry->chip_select, |
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__entry->enable ? "activate" : "deactivate", |
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(__entry->mode & SPI_CS_HIGH) ? ", cs_high" : "") |
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); |
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DECLARE_EVENT_CLASS(spi_message, |
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TP_PROTO(struct spi_message *msg), |
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TP_ARGS(msg), |
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TP_STRUCT__entry( |
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__field( int, bus_num ) |
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__field( int, chip_select ) |
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__field( struct spi_message *, msg ) |
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), |
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TP_fast_assign( |
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__entry->bus_num = msg->spi->controller->bus_num; |
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__entry->chip_select = msg->spi->chip_select; |
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__entry->msg = msg; |
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), |
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TP_printk("spi%d.%d %p", (int)__entry->bus_num, |
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(int)__entry->chip_select, |
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(struct spi_message *)__entry->msg) |
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); |
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DEFINE_EVENT(spi_message, spi_message_submit, |
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TP_PROTO(struct spi_message *msg), |
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TP_ARGS(msg) |
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); |
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DEFINE_EVENT(spi_message, spi_message_start, |
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TP_PROTO(struct spi_message *msg), |
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TP_ARGS(msg) |
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); |
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TRACE_EVENT(spi_message_done, |
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TP_PROTO(struct spi_message *msg), |
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TP_ARGS(msg), |
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TP_STRUCT__entry( |
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__field( int, bus_num ) |
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__field( int, chip_select ) |
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__field( struct spi_message *, msg ) |
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__field( unsigned, frame ) |
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__field( unsigned, actual ) |
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), |
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TP_fast_assign( |
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__entry->bus_num = msg->spi->controller->bus_num; |
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__entry->chip_select = msg->spi->chip_select; |
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__entry->msg = msg; |
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__entry->frame = msg->frame_length; |
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__entry->actual = msg->actual_length; |
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), |
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TP_printk("spi%d.%d %p len=%u/%u", (int)__entry->bus_num, |
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(int)__entry->chip_select, |
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(struct spi_message *)__entry->msg, |
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(unsigned)__entry->actual, (unsigned)__entry->frame) |
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); |
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/* |
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* consider a buffer valid if non-NULL and if it doesn't match the dummy buffer |
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* that only exist to work with controllers that have SPI_CONTROLLER_MUST_TX or |
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* SPI_CONTROLLER_MUST_RX. |
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*/ |
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#define spi_valid_txbuf(msg, xfer) \ |
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(xfer->tx_buf && xfer->tx_buf != msg->spi->controller->dummy_tx) |
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#define spi_valid_rxbuf(msg, xfer) \ |
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(xfer->rx_buf && xfer->rx_buf != msg->spi->controller->dummy_rx) |
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DECLARE_EVENT_CLASS(spi_transfer, |
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TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer), |
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TP_ARGS(msg, xfer), |
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TP_STRUCT__entry( |
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__field( int, bus_num ) |
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__field( int, chip_select ) |
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__field( struct spi_transfer *, xfer ) |
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__field( int, len ) |
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__dynamic_array(u8, rx_buf, |
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spi_valid_rxbuf(msg, xfer) ? |
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(xfer->len < 64 ? xfer->len : 64) : 0) |
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__dynamic_array(u8, tx_buf, |
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spi_valid_txbuf(msg, xfer) ? |
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(xfer->len < 64 ? xfer->len : 64) : 0) |
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), |
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TP_fast_assign( |
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__entry->bus_num = msg->spi->controller->bus_num; |
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__entry->chip_select = msg->spi->chip_select; |
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__entry->xfer = xfer; |
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__entry->len = xfer->len; |
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if (spi_valid_txbuf(msg, xfer)) |
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memcpy(__get_dynamic_array(tx_buf), |
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xfer->tx_buf, __get_dynamic_array_len(tx_buf)); |
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if (spi_valid_rxbuf(msg, xfer)) |
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memcpy(__get_dynamic_array(rx_buf), |
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xfer->rx_buf, __get_dynamic_array_len(rx_buf)); |
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), |
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TP_printk("spi%d.%d %p len=%d tx=[%*phD] rx=[%*phD]", |
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__entry->bus_num, __entry->chip_select, |
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__entry->xfer, __entry->len, |
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__get_dynamic_array_len(tx_buf), __get_dynamic_array(tx_buf), |
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__get_dynamic_array_len(rx_buf), __get_dynamic_array(rx_buf)) |
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); |
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DEFINE_EVENT(spi_transfer, spi_transfer_start, |
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TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer), |
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TP_ARGS(msg, xfer) |
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); |
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DEFINE_EVENT(spi_transfer, spi_transfer_stop, |
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TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer), |
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TP_ARGS(msg, xfer) |
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); |
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#endif /* _TRACE_POWER_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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