1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM spi-mem 4 5 #undef TRACE_SYSTEM_VAR 6 #define TRACE_SYSTEM_VAR spi_mem 7 8 #if !defined(_TRACE_SPI_MEM_H) || defined(TRACE_HEADER_MULTI_READ) 9 #define _TRACE_SPI_MEM_H 10 11 #include <linux/tracepoint.h> 12 #include <linux/spi/spi-mem.h> 13 14 #define decode_dtr(dtr) \ 15 __print_symbolic(dtr, \ 16 { 0, "S" }, \ 17 { 1, "D" }) 18 19 TRACE_EVENT(spi_mem_start_op, 20 TP_PROTO(struct spi_mem *mem, const struct spi_mem_op *op), 21 TP_ARGS(mem, op), 22 23 TP_STRUCT__entry( 24 __string(name, mem->name) 25 __dynamic_array(u8, op, 1 + op->addr.nbytes + op->dummy.nbytes) 26 __dynamic_array(u8, data, op->data.dir == SPI_MEM_DATA_OUT ? 27 min(op->data.nbytes, 64) : 0) 28 __field(u32, data_len) 29 __field(u32, max_freq) 30 __field(u8, cmd_buswidth) 31 __field(bool, cmd_dtr) 32 __field(u8, addr_buswidth) 33 __field(bool, addr_dtr) 34 __field(u8, dummy_nbytes) 35 __field(u8, data_buswidth) 36 __field(bool, data_dtr) 37 ), 38 39 TP_fast_assign( 40 int i; 41 42 __assign_str(name); 43 __entry->max_freq = op->max_freq ?: mem->spi->max_speed_hz; 44 45 __entry->cmd_buswidth = op->cmd.buswidth; 46 __entry->cmd_dtr = op->cmd.dtr; 47 *((u8 *)__get_dynamic_array(op)) = op->cmd.opcode; 48 49 __entry->addr_buswidth = op->addr.buswidth; 50 __entry->addr_dtr = op->addr.dtr; 51 for (i = 0; i < op->addr.nbytes; i++) 52 ((u8 *)__get_dynamic_array(op))[i + 1] = 53 op->addr.val >> (8 * (op->addr.nbytes - i - 1)); 54 55 memset(((u8 *)__get_dynamic_array(op)) + op->addr.nbytes + 1, 56 0xff, op->dummy.nbytes); 57 58 __entry->data_len = op->data.nbytes; 59 __entry->data_buswidth = op->data.buswidth; 60 __entry->data_dtr = op->data.dtr; 61 if (op->data.dir == SPI_MEM_DATA_OUT) 62 memcpy(__get_dynamic_array(data), op->data.buf.out, 63 __get_dynamic_array_len(data)); 64 ), 65 66 TP_printk("%s %u%s-%u%s-%u%s @%u Hz op=[%*phD] len=%u tx=[%*phD]", 67 __get_str(name), 68 __entry->cmd_buswidth, decode_dtr(__entry->cmd_dtr), 69 __entry->addr_buswidth, decode_dtr(__entry->addr_dtr), 70 __entry->data_buswidth, decode_dtr(__entry->data_dtr), 71 __entry->max_freq, 72 __get_dynamic_array_len(op), __get_dynamic_array(op), 73 __entry->data_len, 74 __get_dynamic_array_len(data), __get_dynamic_array(data)) 75 ); 76 77 TRACE_EVENT(spi_mem_stop_op, 78 TP_PROTO(struct spi_mem *mem, const struct spi_mem_op *op), 79 TP_ARGS(mem, op), 80 81 TP_STRUCT__entry( 82 __string(name, mem->name) 83 __dynamic_array(u8, data, op->data.dir == SPI_MEM_DATA_IN ? 84 min(op->data.nbytes, 64) : 0) 85 __field(u32, data_len) 86 ), 87 88 TP_fast_assign( 89 __assign_str(name); 90 __entry->data_len = op->data.nbytes; 91 if (op->data.dir == SPI_MEM_DATA_IN) 92 memcpy(__get_dynamic_array(data), op->data.buf.in, 93 __get_dynamic_array_len(data)); 94 ), 95 96 TP_printk("%s len=%u rx=[%*phD]", 97 __get_str(name), 98 __entry->data_len, 99 __get_dynamic_array_len(data), __get_dynamic_array(data)) 100 ); 101 102 103 #endif /* _TRACE_SPI_MEM_H */ 104 105 /* This part must be outside protection */ 106 #include <trace/define_trace.h> 107