1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Trace support header file for device mode
4 *
5 * Copyright (C) 2020 NXP
6 *
7 * Author: Peter Chen <peter.chen@nxp.com>
8 */
9
10#undef TRACE_SYSTEM
11#define TRACE_SYSTEM chipidea
12
13#if !defined(__LINUX_CHIPIDEA_TRACE) || defined(TRACE_HEADER_MULTI_READ)
14#define __LINUX_CHIPIDEA_TRACE
15
16#include <linux/types.h>
17#include <linux/tracepoint.h>
18#include <linux/usb/chipidea.h>
19#include "ci.h"
20#include "udc.h"
21
22#define CHIPIDEA_MSG_MAX	500
23
24void ci_log(struct ci_hdrc *ci, const char *fmt, ...);
25
26TRACE_EVENT(ci_log,
27	TP_PROTO(struct ci_hdrc *ci, struct va_format *vaf),
28	TP_ARGS(ci, vaf),
29	TP_STRUCT__entry(
30		__string(name, dev_name(ci->dev))
31		__vstring(msg, vaf->fmt, vaf->va)
32	),
33	TP_fast_assign(
34		__assign_str(name, dev_name(ci->dev));
35		__assign_vstr(msg, vaf->fmt, vaf->va);
36	),
37	TP_printk("%s: %s", __get_str(name), __get_str(msg))
38);
39
40DECLARE_EVENT_CLASS(ci_log_trb,
41	TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
42	TP_ARGS(hwep, hwreq, td),
43	TP_STRUCT__entry(
44		__string(name, hwep->name)
45		__field(struct td_node *, td)
46		__field(struct usb_request *, req)
47		__field(dma_addr_t, dma)
48		__field(s32, td_remaining_size)
49		__field(u32, next)
50		__field(u32, token)
51		__field(u32, type)
52	),
53	TP_fast_assign(
54		__assign_str(name, hwep->name);
55		__entry->req = &hwreq->req;
56		__entry->td = td;
57		__entry->dma = td->dma;
58		__entry->td_remaining_size = td->td_remaining_size;
59		__entry->next = le32_to_cpu(td->ptr->next);
60		__entry->token = le32_to_cpu(td->ptr->token);
61		__entry->type = usb_endpoint_type(hwep->ep.desc);
62	),
63	TP_printk("%s: req: %p, td: %p, td_dma_address: %pad, remaining_size: %d, "
64	       "next: %x, total bytes: %d, status: %lx",
65		__get_str(name), __entry->req, __entry->td, &__entry->dma,
66		__entry->td_remaining_size, __entry->next,
67		(int)((__entry->token & TD_TOTAL_BYTES) >> __ffs(TD_TOTAL_BYTES)),
68		__entry->token & TD_STATUS
69	)
70);
71
72DEFINE_EVENT(ci_log_trb, ci_prepare_td,
73	TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
74	TP_ARGS(hwep, hwreq, td)
75);
76
77DEFINE_EVENT(ci_log_trb, ci_complete_td,
78	TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
79	TP_ARGS(hwep, hwreq, td)
80);
81
82#endif /* __LINUX_CHIPIDEA_TRACE */
83
84/* this part must be outside header guard */
85
86#undef TRACE_INCLUDE_PATH
87#define TRACE_INCLUDE_PATH .
88
89#undef TRACE_INCLUDE_FILE
90#define TRACE_INCLUDE_FILE trace
91
92#include <trace/define_trace.h>
93