xhci: add trace for debug messages related to endpoint reset
[firefly-linux-kernel-4.4.55.git] / drivers / usb / host / xhci-trace.h
1 /*
2  * xHCI host controller driver
3  *
4  * Copyright (C) 2013 Xenia Ragiadakou
5  *
6  * Author: Xenia Ragiadakou
7  * Email : burzalodowa@gmail.com
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13
14 #undef TRACE_SYSTEM
15 #define TRACE_SYSTEM xhci-hcd
16
17 #if !defined(__XHCI_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
18 #define __XHCI_TRACE_H
19
20 #include <linux/tracepoint.h>
21
22 #define XHCI_MSG_MAX    500
23
24 DECLARE_EVENT_CLASS(xhci_log_msg,
25         TP_PROTO(struct va_format *vaf),
26         TP_ARGS(vaf),
27         TP_STRUCT__entry(__dynamic_array(char, msg, XHCI_MSG_MAX)),
28         TP_fast_assign(
29                 vsnprintf(__get_str(msg), XHCI_MSG_MAX, vaf->fmt, *vaf->va);
30         ),
31         TP_printk("%s", __get_str(msg))
32 );
33
34 DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
35         TP_PROTO(struct va_format *vaf),
36         TP_ARGS(vaf)
37 );
38
39 DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
40         TP_PROTO(struct va_format *vaf),
41         TP_ARGS(vaf)
42 );
43
44 DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
45         TP_PROTO(struct va_format *vaf),
46         TP_ARGS(vaf)
47 );
48
49 DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
50         TP_PROTO(struct va_format *vaf),
51         TP_ARGS(vaf)
52 );
53
54 #endif /* __XHCI_TRACE_H */
55
56 /* this part must be outside header guard */
57
58 #undef TRACE_INCLUDE_PATH
59 #define TRACE_INCLUDE_PATH .
60
61 #undef TRACE_INCLUDE_FILE
62 #define TRACE_INCLUDE_FILE xhci-trace
63
64 #include <trace/define_trace.h>