xref: /linux/drivers/usb/host/xhci-trace.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
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 #include "xhci.h"
22 
23 #define XHCI_MSG_MAX	500
24 
25 DECLARE_EVENT_CLASS(xhci_log_msg,
26 	TP_PROTO(struct va_format *vaf),
27 	TP_ARGS(vaf),
28 	TP_STRUCT__entry(__dynamic_array(char, msg, XHCI_MSG_MAX)),
29 	TP_fast_assign(
30 		vsnprintf(__get_str(msg), XHCI_MSG_MAX, vaf->fmt, *vaf->va);
31 	),
32 	TP_printk("%s", __get_str(msg))
33 );
34 
35 DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
36 	TP_PROTO(struct va_format *vaf),
37 	TP_ARGS(vaf)
38 );
39 
40 DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
41 	TP_PROTO(struct va_format *vaf),
42 	TP_ARGS(vaf)
43 );
44 
45 DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
46 	TP_PROTO(struct va_format *vaf),
47 	TP_ARGS(vaf)
48 );
49 
50 DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
51 	TP_PROTO(struct va_format *vaf),
52 	TP_ARGS(vaf)
53 );
54 
55 DEFINE_EVENT(xhci_log_msg, xhci_dbg_cancel_urb,
56 	TP_PROTO(struct va_format *vaf),
57 	TP_ARGS(vaf)
58 );
59 
60 DEFINE_EVENT(xhci_log_msg, xhci_dbg_init,
61 	TP_PROTO(struct va_format *vaf),
62 	TP_ARGS(vaf)
63 );
64 
65 DEFINE_EVENT(xhci_log_msg, xhci_dbg_ring_expansion,
66 	TP_PROTO(struct va_format *vaf),
67 	TP_ARGS(vaf)
68 );
69 
70 DECLARE_EVENT_CLASS(xhci_log_ctx,
71 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
72 		 unsigned int ep_num),
73 	TP_ARGS(xhci, ctx, ep_num),
74 	TP_STRUCT__entry(
75 		__field(int, ctx_64)
76 		__field(unsigned, ctx_type)
77 		__field(dma_addr_t, ctx_dma)
78 		__field(u8 *, ctx_va)
79 		__field(unsigned, ctx_ep_num)
80 		__field(int, slot_id)
81 		__dynamic_array(u32, ctx_data,
82 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 8) *
83 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1))
84 	),
85 	TP_fast_assign(
86 		struct usb_device *udev;
87 
88 		udev = to_usb_device(xhci_to_hcd(xhci)->self.controller);
89 		__entry->ctx_64 = HCC_64BYTE_CONTEXT(xhci->hcc_params);
90 		__entry->ctx_type = ctx->type;
91 		__entry->ctx_dma = ctx->dma;
92 		__entry->ctx_va = ctx->bytes;
93 		__entry->slot_id = udev->slot_id;
94 		__entry->ctx_ep_num = ep_num;
95 		memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
96 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 32) *
97 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1));
98 	),
99 	TP_printk("\nctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
100 			__entry->ctx_64, __entry->ctx_type,
101 			(unsigned long long) __entry->ctx_dma, __entry->ctx_va
102 	)
103 );
104 
105 DEFINE_EVENT(xhci_log_ctx, xhci_address_ctx,
106 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
107 		 unsigned int ep_num),
108 	TP_ARGS(xhci, ctx, ep_num)
109 );
110 
111 DECLARE_EVENT_CLASS(xhci_log_event,
112 	TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
113 	TP_ARGS(trb_va, ev),
114 	TP_STRUCT__entry(
115 		__field(void *, va)
116 		__field(u64, dma)
117 		__field(u32, status)
118 		__field(u32, flags)
119 		__dynamic_array(u8, trb, sizeof(struct xhci_generic_trb))
120 	),
121 	TP_fast_assign(
122 		__entry->va = trb_va;
123 		__entry->dma = ((u64)le32_to_cpu(ev->field[1])) << 32 |
124 					le32_to_cpu(ev->field[0]);
125 		__entry->status = le32_to_cpu(ev->field[2]);
126 		__entry->flags = le32_to_cpu(ev->field[3]);
127 		memcpy(__get_dynamic_array(trb), trb_va,
128 			sizeof(struct xhci_generic_trb));
129 	),
130 	TP_printk("\ntrb_dma=@%llx, trb_va=@%p, status=%08x, flags=%08x",
131 			(unsigned long long) __entry->dma, __entry->va,
132 			__entry->status, __entry->flags
133 	)
134 );
135 
136 DEFINE_EVENT(xhci_log_event, xhci_cmd_completion,
137 	TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
138 	TP_ARGS(trb_va, ev)
139 );
140 
141 #endif /* __XHCI_TRACE_H */
142 
143 /* this part must be outside header guard */
144 
145 #undef TRACE_INCLUDE_PATH
146 #define TRACE_INCLUDE_PATH .
147 
148 #undef TRACE_INCLUDE_FILE
149 #define TRACE_INCLUDE_FILE xhci-trace
150 
151 #include <trace/define_trace.h>
152