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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * udc.c - Core UDC Framework
4 *
5 * Copyright (C) 2016 Intel Corporation
6 * Author: Felipe Balbi <felipe.balbi@linux.intel.com>
7 */
8
9#undef TRACE_SYSTEM
10#define TRACE_SYSTEM gadget
11
12#if !defined(__UDC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
13#define __UDC_TRACE_H
14
15#include <linux/types.h>
16#include <linux/tracepoint.h>
17#include <asm/byteorder.h>
18#include <linux/usb/gadget.h>
19
20DECLARE_EVENT_CLASS(udc_log_gadget,
21 TP_PROTO(struct usb_gadget *g, int ret),
22 TP_ARGS(g, ret),
23 TP_STRUCT__entry(
24 __field(enum usb_device_speed, speed)
25 __field(enum usb_device_speed, max_speed)
26 __field(enum usb_device_state, state)
27 __field(unsigned, mA)
28 __field(unsigned, sg_supported)
29 __field(unsigned, is_otg)
30 __field(unsigned, is_a_peripheral)
31 __field(unsigned, b_hnp_enable)
32 __field(unsigned, a_hnp_support)
33 __field(unsigned, hnp_polling_support)
34 __field(unsigned, host_request_flag)
35 __field(unsigned, quirk_ep_out_aligned_size)
36 __field(unsigned, quirk_altset_not_supp)
37 __field(unsigned, quirk_stall_not_supp)
38 __field(unsigned, quirk_zlp_not_supp)
39 __field(unsigned, is_selfpowered)
40 __field(unsigned, deactivated)
41 __field(unsigned, connected)
42 __field(int, ret)
43 ),
44 TP_fast_assign(
45 __entry->speed = g->speed;
46 __entry->max_speed = g->max_speed;
47 __entry->state = g->state;
48 __entry->mA = g->mA;
49 __entry->sg_supported = g->sg_supported;
50 __entry->is_otg = g->is_otg;
51 __entry->is_a_peripheral = g->is_a_peripheral;
52 __entry->b_hnp_enable = g->b_hnp_enable;
53 __entry->a_hnp_support = g->a_hnp_support;
54 __entry->hnp_polling_support = g->hnp_polling_support;
55 __entry->host_request_flag = g->host_request_flag;
56 __entry->quirk_ep_out_aligned_size = g->quirk_ep_out_aligned_size;
57 __entry->quirk_altset_not_supp = g->quirk_altset_not_supp;
58 __entry->quirk_stall_not_supp = g->quirk_stall_not_supp;
59 __entry->quirk_zlp_not_supp = g->quirk_zlp_not_supp;
60 __entry->is_selfpowered = g->is_selfpowered;
61 __entry->deactivated = g->deactivated;
62 __entry->connected = g->connected;
63 __entry->ret = ret;
64 ),
65 TP_printk("speed %d/%d state %d %dmA [%s%s%s%s%s%s%s%s%s%s%s%s%s%s] --> %d",
66 __entry->speed, __entry->max_speed, __entry->state, __entry->mA,
67 __entry->sg_supported ? "sg:" : "",
68 __entry->is_otg ? "OTG:" : "",
69 __entry->is_a_peripheral ? "a_peripheral:" : "",
70 __entry->b_hnp_enable ? "b_hnp:" : "",
71 __entry->a_hnp_support ? "a_hnp:" : "",
72 __entry->hnp_polling_support ? "hnp_poll:" : "",
73 __entry->host_request_flag ? "hostreq:" : "",
74 __entry->quirk_ep_out_aligned_size ? "out_aligned:" : "",
75 __entry->quirk_altset_not_supp ? "no_altset:" : "",
76 __entry->quirk_stall_not_supp ? "no_stall:" : "",
77 __entry->quirk_zlp_not_supp ? "no_zlp" : "",
78 __entry->is_selfpowered ? "self-powered:" : "bus-powered:",
79 __entry->deactivated ? "deactivated:" : "activated:",
80 __entry->connected ? "connected" : "disconnected",
81 __entry->ret)
82);
83
84DEFINE_EVENT(udc_log_gadget, usb_gadget_frame_number,
85 TP_PROTO(struct usb_gadget *g, int ret),
86 TP_ARGS(g, ret)
87);
88
89DEFINE_EVENT(udc_log_gadget, usb_gadget_wakeup,
90 TP_PROTO(struct usb_gadget *g, int ret),
91 TP_ARGS(g, ret)
92);
93
94DEFINE_EVENT(udc_log_gadget, usb_gadget_set_selfpowered,
95 TP_PROTO(struct usb_gadget *g, int ret),
96 TP_ARGS(g, ret)
97);
98
99DEFINE_EVENT(udc_log_gadget, usb_gadget_clear_selfpowered,
100 TP_PROTO(struct usb_gadget *g, int ret),
101 TP_ARGS(g, ret)
102);
103
104DEFINE_EVENT(udc_log_gadget, usb_gadget_vbus_connect,
105 TP_PROTO(struct usb_gadget *g, int ret),
106 TP_ARGS(g, ret)
107);
108
109DEFINE_EVENT(udc_log_gadget, usb_gadget_vbus_draw,
110 TP_PROTO(struct usb_gadget *g, int ret),
111 TP_ARGS(g, ret)
112);
113
114DEFINE_EVENT(udc_log_gadget, usb_gadget_vbus_disconnect,
115 TP_PROTO(struct usb_gadget *g, int ret),
116 TP_ARGS(g, ret)
117);
118
119DEFINE_EVENT(udc_log_gadget, usb_gadget_connect,
120 TP_PROTO(struct usb_gadget *g, int ret),
121 TP_ARGS(g, ret)
122);
123
124DEFINE_EVENT(udc_log_gadget, usb_gadget_disconnect,
125 TP_PROTO(struct usb_gadget *g, int ret),
126 TP_ARGS(g, ret)
127);
128
129DEFINE_EVENT(udc_log_gadget, usb_gadget_deactivate,
130 TP_PROTO(struct usb_gadget *g, int ret),
131 TP_ARGS(g, ret)
132);
133
134DEFINE_EVENT(udc_log_gadget, usb_gadget_activate,
135 TP_PROTO(struct usb_gadget *g, int ret),
136 TP_ARGS(g, ret)
137);
138
139DECLARE_EVENT_CLASS(udc_log_ep,
140 TP_PROTO(struct usb_ep *ep, int ret),
141 TP_ARGS(ep, ret),
142 TP_STRUCT__entry(
143 __dynamic_array(char, name, UDC_TRACE_STR_MAX)
144 __field(unsigned, maxpacket)
145 __field(unsigned, maxpacket_limit)
146 __field(unsigned, max_streams)
147 __field(unsigned, mult)
148 __field(unsigned, maxburst)
149 __field(u8, address)
150 __field(bool, claimed)
151 __field(bool, enabled)
152 __field(int, ret)
153 ),
154 TP_fast_assign(
155 snprintf(__get_str(name), UDC_TRACE_STR_MAX, "%s", ep->name);
156 __entry->maxpacket = ep->maxpacket;
157 __entry->maxpacket_limit = ep->maxpacket_limit;
158 __entry->max_streams = ep->max_streams;
159 __entry->mult = ep->mult;
160 __entry->maxburst = ep->maxburst;
161 __entry->address = ep->address,
162 __entry->claimed = ep->claimed;
163 __entry->enabled = ep->enabled;
164 __entry->ret = ret;
165 ),
166 TP_printk("%s: mps %d/%d streams %d mult %d burst %d addr %02x %s%s --> %d",
167 __get_str(name), __entry->maxpacket, __entry->maxpacket_limit,
168 __entry->max_streams, __entry->mult, __entry->maxburst,
169 __entry->address, __entry->claimed ? "claimed:" : "released:",
170 __entry->enabled ? "enabled" : "disabled", ret)
171);
172
173DEFINE_EVENT(udc_log_ep, usb_ep_set_maxpacket_limit,
174 TP_PROTO(struct usb_ep *ep, int ret),
175 TP_ARGS(ep, ret)
176);
177
178DEFINE_EVENT(udc_log_ep, usb_ep_enable,
179 TP_PROTO(struct usb_ep *ep, int ret),
180 TP_ARGS(ep, ret)
181);
182
183DEFINE_EVENT(udc_log_ep, usb_ep_disable,
184 TP_PROTO(struct usb_ep *ep, int ret),
185 TP_ARGS(ep, ret)
186);
187
188DEFINE_EVENT(udc_log_ep, usb_ep_set_halt,
189 TP_PROTO(struct usb_ep *ep, int ret),
190 TP_ARGS(ep, ret)
191);
192
193DEFINE_EVENT(udc_log_ep, usb_ep_clear_halt,
194 TP_PROTO(struct usb_ep *ep, int ret),
195 TP_ARGS(ep, ret)
196);
197
198DEFINE_EVENT(udc_log_ep, usb_ep_set_wedge,
199 TP_PROTO(struct usb_ep *ep, int ret),
200 TP_ARGS(ep, ret)
201);
202
203DEFINE_EVENT(udc_log_ep, usb_ep_fifo_status,
204 TP_PROTO(struct usb_ep *ep, int ret),
205 TP_ARGS(ep, ret)
206);
207
208DEFINE_EVENT(udc_log_ep, usb_ep_fifo_flush,
209 TP_PROTO(struct usb_ep *ep, int ret),
210 TP_ARGS(ep, ret)
211);
212
213DECLARE_EVENT_CLASS(udc_log_req,
214 TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
215 TP_ARGS(ep, req, ret),
216 TP_STRUCT__entry(
217 __dynamic_array(char, name, UDC_TRACE_STR_MAX)
218 __field(unsigned, length)
219 __field(unsigned, actual)
220 __field(unsigned, num_sgs)
221 __field(unsigned, num_mapped_sgs)
222 __field(unsigned, stream_id)
223 __field(unsigned, no_interrupt)
224 __field(unsigned, zero)
225 __field(unsigned, short_not_ok)
226 __field(int, status)
227 __field(int, ret)
228 __field(struct usb_request *, req)
229 ),
230 TP_fast_assign(
231 snprintf(__get_str(name), UDC_TRACE_STR_MAX, "%s", ep->name);
232 __entry->length = req->length;
233 __entry->actual = req->actual;
234 __entry->num_sgs = req->num_sgs;
235 __entry->num_mapped_sgs = req->num_mapped_sgs;
236 __entry->stream_id = req->stream_id;
237 __entry->no_interrupt = req->no_interrupt;
238 __entry->zero = req->zero;
239 __entry->short_not_ok = req->short_not_ok;
240 __entry->status = req->status;
241 __entry->ret = ret;
242 __entry->req = req;
243 ),
244 TP_printk("%s: req %p length %d/%d sgs %d/%d stream %d %s%s%s status %d --> %d",
245 __get_str(name),__entry->req, __entry->actual, __entry->length,
246 __entry->num_mapped_sgs, __entry->num_sgs, __entry->stream_id,
247 __entry->zero ? "Z" : "z",
248 __entry->short_not_ok ? "S" : "s",
249 __entry->no_interrupt ? "i" : "I",
250 __entry->status, __entry->ret
251 )
252);
253
254DEFINE_EVENT(udc_log_req, usb_ep_alloc_request,
255 TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
256 TP_ARGS(ep, req, ret)
257);
258
259DEFINE_EVENT(udc_log_req, usb_ep_free_request,
260 TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
261 TP_ARGS(ep, req, ret)
262);
263
264DEFINE_EVENT(udc_log_req, usb_ep_queue,
265 TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
266 TP_ARGS(ep, req, ret)
267);
268
269DEFINE_EVENT(udc_log_req, usb_ep_dequeue,
270 TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
271 TP_ARGS(ep, req, ret)
272);
273
274DEFINE_EVENT(udc_log_req, usb_gadget_giveback_request,
275 TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
276 TP_ARGS(ep, req, ret)
277);
278
279#endif /* __UDC_TRACE_H */
280
281/* this part has to be here */
282
283#undef TRACE_INCLUDE_PATH
284#define TRACE_INCLUDE_PATH .
285
286#undef TRACE_INCLUDE_FILE
287#define TRACE_INCLUDE_FILE trace
288
289#include <trace/define_trace.h>