--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Thunderbolt tracing support
+ *
+ * Copyright (C) 2024, Intel Corporation
+ * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Gil Fine <gil.fine@intel.com>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM thunderbolt
+
+#if !defined(TB_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define TB_TRACE_H_
+
+#include <linux/trace_seq.h>
+#include <linux/tracepoint.h>
+
+#include "tb_msgs.h"
+
+#define tb_cfg_type_name(type) { type, #type }
+#define show_type_name(val) \
+ __print_symbolic(val, \
+ tb_cfg_type_name(TB_CFG_PKG_READ), \
+ tb_cfg_type_name(TB_CFG_PKG_WRITE), \
+ tb_cfg_type_name(TB_CFG_PKG_ERROR), \
+ tb_cfg_type_name(TB_CFG_PKG_NOTIFY_ACK), \
+ tb_cfg_type_name(TB_CFG_PKG_EVENT), \
+ tb_cfg_type_name(TB_CFG_PKG_XDOMAIN_REQ), \
+ tb_cfg_type_name(TB_CFG_PKG_XDOMAIN_RESP), \
+ tb_cfg_type_name(TB_CFG_PKG_OVERRIDE), \
+ tb_cfg_type_name(TB_CFG_PKG_RESET), \
+ tb_cfg_type_name(TB_CFG_PKG_ICM_EVENT), \
+ tb_cfg_type_name(TB_CFG_PKG_ICM_CMD), \
+ tb_cfg_type_name(TB_CFG_PKG_ICM_RESP))
+
+#ifndef TB_TRACE_HELPERS
+#define TB_TRACE_HELPERS
+static inline const char *show_data_read_write(struct trace_seq *p,
+ const u32 *data)
+{
+ const struct cfg_read_pkg *msg = (const struct cfg_read_pkg *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "offset=%#x, len=%u, port=%d, config=%#x, seq=%d, ",
+ msg->addr.offset, msg->addr.length, msg->addr.port,
+ msg->addr.space, msg->addr.seq);
+
+ return ret;
+}
+
+static inline const char *show_data_error(struct trace_seq *p, const u32 *data)
+{
+ const struct cfg_error_pkg *msg = (const struct cfg_error_pkg *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "error=%#x, port=%d, plug=%#x, ", msg->error,
+ msg->port, msg->pg);
+
+ return ret;
+}
+
+static inline const char *show_data_event(struct trace_seq *p, const u32 *data)
+{
+ const struct cfg_event_pkg *msg = (const struct cfg_event_pkg *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "port=%d, unplug=%#x, ", msg->port, msg->unplug);
+
+ return ret;
+}
+
+static inline const char *show_route(struct trace_seq *p, const u32 *data)
+{
+ const struct tb_cfg_header *header = (const struct tb_cfg_header *)data;
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ trace_seq_printf(p, "route=%llx, ", tb_cfg_get_route(header));
+
+ return ret;
+}
+
+static inline const char *show_data(struct trace_seq *p, u8 type,
+ const u32 *data, u32 length)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+ const char *prefix = "";
+ int i;
+
+ show_route(p, data);
+
+ switch (type) {
+ case TB_CFG_PKG_READ:
+ case TB_CFG_PKG_WRITE:
+ show_data_read_write(p, data);
+ break;
+
+ case TB_CFG_PKG_ERROR:
+ show_data_error(p, data);
+ break;
+
+ case TB_CFG_PKG_EVENT:
+ show_data_event(p, data);
+ break;
+
+ default:
+ break;
+ }
+
+ trace_seq_printf(p, "data=[");
+ for (i = 0; i < length; i++) {
+ trace_seq_printf(p, "%s0x%08x", prefix, data[i]);
+ prefix = ", ";
+ }
+ trace_seq_printf(p, "]");
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+#endif
+
+DECLARE_EVENT_CLASS(tb_raw,
+ TP_PROTO(int index, u8 type, const void *data, size_t size),
+ TP_ARGS(index, type, data, size),
+ TP_STRUCT__entry(
+ __field(int, index)
+ __field(u8, type)
+ __field(size_t, size)
+ __dynamic_array(u32, data, size / 4)
+ ),
+ TP_fast_assign(
+ __entry->index = index;
+ __entry->type = type;
+ __entry->size = size / 4;
+ memcpy(__get_dynamic_array(data), data, size);
+ ),
+ TP_printk("type=%s, size=%zd, domain=%d, %s",
+ show_type_name(__entry->type), __entry->size, __entry->index,
+ show_data(p, __entry->type, __get_dynamic_array(data),
+ __entry->size)
+ )
+);
+
+DEFINE_EVENT(tb_raw, tb_tx,
+ TP_PROTO(int index, u8 type, const void *data, size_t size),
+ TP_ARGS(index, type, data, size)
+);
+
+DEFINE_EVENT(tb_raw, tb_event,
+ TP_PROTO(int index, u8 type, const void *data, size_t size),
+ TP_ARGS(index, type, data, size)
+);
+
+TRACE_EVENT(tb_rx,
+ TP_PROTO(int index, u8 type, const void *data, size_t size, bool dropped),
+ TP_ARGS(index, type, data, size, dropped),
+ TP_STRUCT__entry(
+ __field(int, index)
+ __field(u8, type)
+ __field(size_t, size)
+ __dynamic_array(u32, data, size / 4)
+ __field(bool, dropped)
+ ),
+ TP_fast_assign(
+ __entry->index = index;
+ __entry->type = type;
+ __entry->size = size / 4;
+ memcpy(__get_dynamic_array(data), data, size);
+ __entry->dropped = dropped;
+ ),
+ TP_printk("type=%s, dropped=%u, size=%zd, domain=%d, %s",
+ show_type_name(__entry->type), __entry->dropped,
+ __entry->size, __entry->index,
+ show_data(p, __entry->type, __get_dynamic_array(data),
+ __entry->size)
+ )
+);
+
+#endif /* TB_TRACE_H_ */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
projects / linux-2.6-microblaze.git / blobdiff