1 /*
2  * Copyright (c) 2019 Intel corporation
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #ifndef _TRACE_CORE_H
8 #define _TRACE_CORE_H
9 
10 #include <irq.h>
11 #include <zephyr/types.h>
12 
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16 
17 #define TRACING_LOCK()		{ int key; key = irq_lock()
18 
19 #define TRACING_UNLOCK()	{ irq_unlock(key); } }
20 
21 /**
22  * @brief Check tracing enabled or not.
23  *
24  * @return True if tracing enabled; False if tracing disabled.
25  */
26 bool is_tracing_enabled(void);
27 
28 /**
29  * @brief Give tracing buffer to backend.
30  *
31  * @param data Tracing buffer address.
32  * @param length Tracing buffer length.
33  */
34 void tracing_buffer_handle(uint8_t *data, uint32_t length);
35 
36 /**
37  * @brief Handle tracing packet drop.
38  */
39 void tracing_packet_drop_handle(void);
40 
41 /**
42  * @brief Handle tracing command.
43  *
44  * @param buf Tracing command buffer address.
45  * @param length Tracing command buffer length.
46  */
47 void tracing_cmd_handle(uint8_t *buf, uint32_t length);
48 
49 /**
50  * @brief Trigger tracing thread to run after every first put.
51  *
52  * @param before_put_is_empty If tracing buffer is empty before this put.
53  */
54 void tracing_trigger_output(bool before_put_is_empty);
55 
56 /**
57  * @brief Check if we are in tracing thread context.
58  *
59  * @return True if in tracing thread context; False if not.
60  */
61 bool is_tracing_thread(void);
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif
68