Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM spi-mem
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#undef TRACE_SYSTEM_VAR
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#define TRACE_SYSTEM_VAR spi_mem
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#if !defined(_TRACE_SPI_MEM_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_SPI_MEM_H
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#include <linux/tracepoint.h>
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#include <linux/spi/spi-mem.h>
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#define decode_dtr(dtr) \
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__print_symbolic(dtr, \
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{ 0, "S" }, \
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{ 1, "D" })
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TRACE_EVENT(spi_mem_start_op,
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TP_PROTO(struct spi_mem *mem, const struct spi_mem_op *op),
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TP_ARGS(mem, op),
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TP_STRUCT__entry(
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__string(name, mem->name)
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__dynamic_array(u8, op, 1 + op->addr.nbytes + op->dummy.nbytes)
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__dynamic_array(u8, data, op->data.dir == SPI_MEM_DATA_OUT ?
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min(op->data.nbytes, 64) : 0)
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__field(u32, data_len)
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__field(u32, max_freq)
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__field(u8, cmd_buswidth)
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__field(bool, cmd_dtr)
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__field(u8, addr_buswidth)
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__field(bool, addr_dtr)
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__field(u8, dummy_nbytes)
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__field(u8, data_buswidth)
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__field(bool, data_dtr)
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),
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TP_fast_assign(
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int i;
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__assign_str(name);
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__entry->max_freq = op->max_freq ?: mem->spi->max_speed_hz;
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__entry->cmd_buswidth = op->cmd.buswidth;
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__entry->cmd_dtr = op->cmd.dtr;
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*((u8 *)__get_dynamic_array(op)) = op->cmd.opcode;
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__entry->addr_buswidth = op->addr.buswidth;
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__entry->addr_dtr = op->addr.dtr;
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for (i = 0; i < op->addr.nbytes; i++)
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((u8 *)__get_dynamic_array(op))[i + 1] =
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op->addr.val >> (8 * (op->addr.nbytes - i - 1));
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memset(((u8 *)__get_dynamic_array(op)) + op->addr.nbytes + 1,
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0xff, op->dummy.nbytes);
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__entry->data_len = op->data.nbytes;
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__entry->data_buswidth = op->data.buswidth;
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__entry->data_dtr = op->data.dtr;
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if (op->data.dir == SPI_MEM_DATA_OUT)
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memcpy(__get_dynamic_array(data), op->data.buf.out,
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__get_dynamic_array_len(data));
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),
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TP_printk("%s %u%s-%u%s-%u%s @%u Hz op=[%*phD] len=%u tx=[%*phD]",
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__get_str(name),
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__entry->cmd_buswidth, decode_dtr(__entry->cmd_dtr),
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__entry->addr_buswidth, decode_dtr(__entry->addr_dtr),
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__entry->data_buswidth, decode_dtr(__entry->data_dtr),
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__entry->max_freq,
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__get_dynamic_array_len(op), __get_dynamic_array(op),
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__entry->data_len,
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__get_dynamic_array_len(data), __get_dynamic_array(data))
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);
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TRACE_EVENT(spi_mem_stop_op,
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TP_PROTO(struct spi_mem *mem, const struct spi_mem_op *op),
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TP_ARGS(mem, op),
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TP_STRUCT__entry(
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__string(name, mem->name)
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__dynamic_array(u8, data, op->data.dir == SPI_MEM_DATA_IN ?
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min(op->data.nbytes, 64) : 0)
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__field(u32, data_len)
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),
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TP_fast_assign(
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__assign_str(name);
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__entry->data_len = op->data.nbytes;
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if (op->data.dir == SPI_MEM_DATA_IN)
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memcpy(__get_dynamic_array(data), op->data.buf.in,
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__get_dynamic_array_len(data));
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),
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TP_printk("%s len=%u rx=[%*phD]",
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__get_str(name),
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__entry->data_len,
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__get_dynamic_array_len(data), __get_dynamic_array(data))
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);
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#endif /* _TRACE_SPI_MEM_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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