xref: /openbmc/linux/drivers/usb/host/xhci-trace.h (revision 0edbfea5)
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 /*
18  * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
19  * legitimate C variable. It is not exported to user space.
20  */
21 #undef TRACE_SYSTEM_VAR
22 #define TRACE_SYSTEM_VAR xhci_hcd
23 
24 #if !defined(__XHCI_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
25 #define __XHCI_TRACE_H
26 
27 #include <linux/tracepoint.h>
28 #include "xhci.h"
29 
30 #define XHCI_MSG_MAX	500
31 
32 DECLARE_EVENT_CLASS(xhci_log_msg,
33 	TP_PROTO(struct va_format *vaf),
34 	TP_ARGS(vaf),
35 	TP_STRUCT__entry(__dynamic_array(char, msg, XHCI_MSG_MAX)),
36 	TP_fast_assign(
37 		vsnprintf(__get_str(msg), XHCI_MSG_MAX, vaf->fmt, *vaf->va);
38 	),
39 	TP_printk("%s", __get_str(msg))
40 );
41 
42 DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
43 	TP_PROTO(struct va_format *vaf),
44 	TP_ARGS(vaf)
45 );
46 
47 DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
48 	TP_PROTO(struct va_format *vaf),
49 	TP_ARGS(vaf)
50 );
51 
52 DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
53 	TP_PROTO(struct va_format *vaf),
54 	TP_ARGS(vaf)
55 );
56 
57 DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
58 	TP_PROTO(struct va_format *vaf),
59 	TP_ARGS(vaf)
60 );
61 
62 DEFINE_EVENT(xhci_log_msg, xhci_dbg_cancel_urb,
63 	TP_PROTO(struct va_format *vaf),
64 	TP_ARGS(vaf)
65 );
66 
67 DEFINE_EVENT(xhci_log_msg, xhci_dbg_init,
68 	TP_PROTO(struct va_format *vaf),
69 	TP_ARGS(vaf)
70 );
71 
72 DEFINE_EVENT(xhci_log_msg, xhci_dbg_ring_expansion,
73 	TP_PROTO(struct va_format *vaf),
74 	TP_ARGS(vaf)
75 );
76 
77 DECLARE_EVENT_CLASS(xhci_log_ctx,
78 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
79 		 unsigned int ep_num),
80 	TP_ARGS(xhci, ctx, ep_num),
81 	TP_STRUCT__entry(
82 		__field(int, ctx_64)
83 		__field(unsigned, ctx_type)
84 		__field(dma_addr_t, ctx_dma)
85 		__field(u8 *, ctx_va)
86 		__field(unsigned, ctx_ep_num)
87 		__field(int, slot_id)
88 		__dynamic_array(u32, ctx_data,
89 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 8) *
90 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1))
91 	),
92 	TP_fast_assign(
93 		struct usb_device *udev;
94 
95 		udev = to_usb_device(xhci_to_hcd(xhci)->self.controller);
96 		__entry->ctx_64 = HCC_64BYTE_CONTEXT(xhci->hcc_params);
97 		__entry->ctx_type = ctx->type;
98 		__entry->ctx_dma = ctx->dma;
99 		__entry->ctx_va = ctx->bytes;
100 		__entry->slot_id = udev->slot_id;
101 		__entry->ctx_ep_num = ep_num;
102 		memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
103 			((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 32) *
104 			((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1));
105 	),
106 	TP_printk("\nctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
107 			__entry->ctx_64, __entry->ctx_type,
108 			(unsigned long long) __entry->ctx_dma, __entry->ctx_va
109 	)
110 );
111 
112 DEFINE_EVENT(xhci_log_ctx, xhci_address_ctx,
113 	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
114 		 unsigned int ep_num),
115 	TP_ARGS(xhci, ctx, ep_num)
116 );
117 
118 DECLARE_EVENT_CLASS(xhci_log_event,
119 	TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
120 	TP_ARGS(trb_va, ev),
121 	TP_STRUCT__entry(
122 		__field(void *, va)
123 		__field(u64, dma)
124 		__field(u32, status)
125 		__field(u32, flags)
126 		__dynamic_array(u8, trb, sizeof(struct xhci_generic_trb))
127 	),
128 	TP_fast_assign(
129 		__entry->va = trb_va;
130 		__entry->dma = ((u64)le32_to_cpu(ev->field[1])) << 32 |
131 					le32_to_cpu(ev->field[0]);
132 		__entry->status = le32_to_cpu(ev->field[2]);
133 		__entry->flags = le32_to_cpu(ev->field[3]);
134 		memcpy(__get_dynamic_array(trb), trb_va,
135 			sizeof(struct xhci_generic_trb));
136 	),
137 	TP_printk("\ntrb_dma=@%llx, trb_va=@%p, status=%08x, flags=%08x",
138 			(unsigned long long) __entry->dma, __entry->va,
139 			__entry->status, __entry->flags
140 	)
141 );
142 
143 DEFINE_EVENT(xhci_log_event, xhci_cmd_completion,
144 	TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
145 	TP_ARGS(trb_va, ev)
146 );
147 
148 #endif /* __XHCI_TRACE_H */
149 
150 /* this part must be outside header guard */
151 
152 #undef TRACE_INCLUDE_PATH
153 #define TRACE_INCLUDE_PATH .
154 
155 #undef TRACE_INCLUDE_FILE
156 #define TRACE_INCLUDE_FILE xhci-trace
157 
158 #include <trace/define_trace.h>
159