xref: /openbmc/linux/drivers/usb/dwc3/trace.h (revision 7bcae826)
1 /**
2  * trace.h - DesignWare USB3 DRD Controller Trace Support
3  *
4  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
5  *
6  * Author: Felipe Balbi <balbi@ti.com>
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2  of
10  * the License as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  */
17 
18 #undef TRACE_SYSTEM
19 #define TRACE_SYSTEM dwc3
20 
21 #if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
22 #define __DWC3_TRACE_H
23 
24 #include <linux/types.h>
25 #include <linux/tracepoint.h>
26 #include <asm/byteorder.h>
27 #include "core.h"
28 #include "debug.h"
29 
30 DECLARE_EVENT_CLASS(dwc3_log_msg,
31 	TP_PROTO(struct va_format *vaf),
32 	TP_ARGS(vaf),
33 	TP_STRUCT__entry(__dynamic_array(char, msg, DWC3_MSG_MAX)),
34 	TP_fast_assign(
35 		vsnprintf(__get_str(msg), DWC3_MSG_MAX, vaf->fmt, *vaf->va);
36 	),
37 	TP_printk("%s", __get_str(msg))
38 );
39 
40 DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
41 	TP_PROTO(struct va_format *vaf),
42 	TP_ARGS(vaf)
43 );
44 
45 DEFINE_EVENT(dwc3_log_msg, dwc3_core,
46 	TP_PROTO(struct va_format *vaf),
47 	TP_ARGS(vaf)
48 );
49 
50 DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
51 	TP_PROTO(struct va_format *vaf),
52 	TP_ARGS(vaf)
53 );
54 
55 DECLARE_EVENT_CLASS(dwc3_log_io,
56 	TP_PROTO(void *base, u32 offset, u32 value),
57 	TP_ARGS(base, offset, value),
58 	TP_STRUCT__entry(
59 		__field(void *, base)
60 		__field(u32, offset)
61 		__field(u32, value)
62 	),
63 	TP_fast_assign(
64 		__entry->base = base;
65 		__entry->offset = offset;
66 		__entry->value = value;
67 	),
68 	TP_printk("addr %p value %08x", __entry->base + __entry->offset,
69 			__entry->value)
70 );
71 
72 DEFINE_EVENT(dwc3_log_io, dwc3_readl,
73 	TP_PROTO(void *base, u32 offset, u32 value),
74 	TP_ARGS(base, offset, value)
75 );
76 
77 DEFINE_EVENT(dwc3_log_io, dwc3_writel,
78 	TP_PROTO(void *base, u32 offset, u32 value),
79 	TP_ARGS(base, offset, value)
80 );
81 
82 DECLARE_EVENT_CLASS(dwc3_log_event,
83 	TP_PROTO(u32 event, struct dwc3 *dwc),
84 	TP_ARGS(event, dwc),
85 	TP_STRUCT__entry(
86 		__field(u32, event)
87 		__field(u32, ep0state)
88 	),
89 	TP_fast_assign(
90 		__entry->event = event;
91 		__entry->ep0state = dwc->ep0state;
92 	),
93 	TP_printk("event (%08x): %s", __entry->event,
94 			dwc3_decode_event(__entry->event, __entry->ep0state))
95 );
96 
97 DEFINE_EVENT(dwc3_log_event, dwc3_event,
98 	TP_PROTO(u32 event, struct dwc3 *dwc),
99 	TP_ARGS(event, dwc)
100 );
101 
102 DECLARE_EVENT_CLASS(dwc3_log_ctrl,
103 	TP_PROTO(struct usb_ctrlrequest *ctrl),
104 	TP_ARGS(ctrl),
105 	TP_STRUCT__entry(
106 		__field(__u8, bRequestType)
107 		__field(__u8, bRequest)
108 		__field(__u16, wValue)
109 		__field(__u16, wIndex)
110 		__field(__u16, wLength)
111 	),
112 	TP_fast_assign(
113 		__entry->bRequestType = ctrl->bRequestType;
114 		__entry->bRequest = ctrl->bRequest;
115 		__entry->wValue = le16_to_cpu(ctrl->wValue);
116 		__entry->wIndex = le16_to_cpu(ctrl->wIndex);
117 		__entry->wLength = le16_to_cpu(ctrl->wLength);
118 	),
119 	TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
120 		__entry->bRequestType, __entry->bRequest,
121 		__entry->wValue, __entry->wIndex,
122 		__entry->wLength
123 	)
124 );
125 
126 DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
127 	TP_PROTO(struct usb_ctrlrequest *ctrl),
128 	TP_ARGS(ctrl)
129 );
130 
131 DECLARE_EVENT_CLASS(dwc3_log_request,
132 	TP_PROTO(struct dwc3_request *req),
133 	TP_ARGS(req),
134 	TP_STRUCT__entry(
135 		__dynamic_array(char, name, DWC3_MSG_MAX)
136 		__field(struct dwc3_request *, req)
137 		__field(unsigned, actual)
138 		__field(unsigned, length)
139 		__field(int, status)
140 		__field(int, zero)
141 		__field(int, short_not_ok)
142 		__field(int, no_interrupt)
143 	),
144 	TP_fast_assign(
145 		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name);
146 		__entry->req = req;
147 		__entry->actual = req->request.actual;
148 		__entry->length = req->request.length;
149 		__entry->status = req->request.status;
150 		__entry->zero = req->request.zero;
151 		__entry->short_not_ok = req->request.short_not_ok;
152 		__entry->no_interrupt = req->request.no_interrupt;
153 	),
154 	TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
155 		__get_str(name), __entry->req, __entry->actual, __entry->length,
156 		__entry->zero ? "Z" : "z",
157 		__entry->short_not_ok ? "S" : "s",
158 		__entry->no_interrupt ? "i" : "I",
159 		__entry->status
160 	)
161 );
162 
163 DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
164 	TP_PROTO(struct dwc3_request *req),
165 	TP_ARGS(req)
166 );
167 
168 DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
169 	TP_PROTO(struct dwc3_request *req),
170 	TP_ARGS(req)
171 );
172 
173 DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
174 	TP_PROTO(struct dwc3_request *req),
175 	TP_ARGS(req)
176 );
177 
178 DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
179 	TP_PROTO(struct dwc3_request *req),
180 	TP_ARGS(req)
181 );
182 
183 DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
184 	TP_PROTO(struct dwc3_request *req),
185 	TP_ARGS(req)
186 );
187 
188 DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
189 	TP_PROTO(unsigned int cmd, u32 param, int status),
190 	TP_ARGS(cmd, param, status),
191 	TP_STRUCT__entry(
192 		__field(unsigned int, cmd)
193 		__field(u32, param)
194 		__field(int, status)
195 	),
196 	TP_fast_assign(
197 		__entry->cmd = cmd;
198 		__entry->param = param;
199 		__entry->status = status;
200 	),
201 	TP_printk("cmd '%s' [%d] param %08x --> status: %s",
202 		dwc3_gadget_generic_cmd_string(__entry->cmd),
203 		__entry->cmd, __entry->param,
204 		dwc3_gadget_generic_cmd_status_string(__entry->status)
205 	)
206 );
207 
208 DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
209 	TP_PROTO(unsigned int cmd, u32 param, int status),
210 	TP_ARGS(cmd, param, status)
211 );
212 
213 DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
214 	TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
215 		struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
216 	TP_ARGS(dep, cmd, params, cmd_status),
217 	TP_STRUCT__entry(
218 		__dynamic_array(char, name, DWC3_MSG_MAX)
219 		__field(unsigned int, cmd)
220 		__field(u32, param0)
221 		__field(u32, param1)
222 		__field(u32, param2)
223 		__field(int, cmd_status)
224 	),
225 	TP_fast_assign(
226 		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
227 		__entry->cmd = cmd;
228 		__entry->param0 = params->param0;
229 		__entry->param1 = params->param1;
230 		__entry->param2 = params->param2;
231 		__entry->cmd_status = cmd_status;
232 	),
233 	TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x --> status: %s",
234 		__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
235 		__entry->cmd, __entry->param0,
236 		__entry->param1, __entry->param2,
237 		dwc3_ep_cmd_status_string(__entry->cmd_status)
238 	)
239 );
240 
241 DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
242 	TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
243 		struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
244 	TP_ARGS(dep, cmd, params, cmd_status)
245 );
246 
247 DECLARE_EVENT_CLASS(dwc3_log_trb,
248 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
249 	TP_ARGS(dep, trb),
250 	TP_STRUCT__entry(
251 		__dynamic_array(char, name, DWC3_MSG_MAX)
252 		__field(struct dwc3_trb *, trb)
253 		__field(u32, allocated)
254 		__field(u32, queued)
255 		__field(u32, bpl)
256 		__field(u32, bph)
257 		__field(u32, size)
258 		__field(u32, ctrl)
259 		__field(u32, type)
260 	),
261 	TP_fast_assign(
262 		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
263 		__entry->trb = trb;
264 		__entry->allocated = dep->allocated_requests;
265 		__entry->queued = dep->queued_requests;
266 		__entry->bpl = trb->bpl;
267 		__entry->bph = trb->bph;
268 		__entry->size = trb->size;
269 		__entry->ctrl = trb->ctrl;
270 		__entry->type = usb_endpoint_type(dep->endpoint.desc);
271 	),
272 	TP_printk("%s: %d/%d trb %p buf %08x%08x size %s%d ctrl %08x (%c%c%c%c:%c%c:%s)",
273 		__get_str(name), __entry->queued, __entry->allocated,
274 		__entry->trb, __entry->bph, __entry->bpl,
275 		({char *s;
276 		int pcm = ((__entry->size >> 24) & 3) + 1;
277 		switch (__entry->type) {
278 		case USB_ENDPOINT_XFER_INT:
279 		case USB_ENDPOINT_XFER_ISOC:
280 			switch (pcm) {
281 			case 1:
282 				s = "1x ";
283 				break;
284 			case 2:
285 				s = "2x ";
286 				break;
287 			case 3:
288 				s = "3x ";
289 				break;
290 			}
291 		default:
292 			s = "";
293 		} s; }),
294 		DWC3_TRB_SIZE_LENGTH(__entry->size), __entry->ctrl,
295 		__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
296 		__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
297 		__entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
298 		__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
299 		__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
300 		__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
301 		({char *s;
302 		switch (__entry->ctrl & 0x3f0) {
303 		case DWC3_TRBCTL_NORMAL:
304 			s = "normal";
305 			break;
306 		case DWC3_TRBCTL_CONTROL_SETUP:
307 			s = "setup";
308 			break;
309 		case DWC3_TRBCTL_CONTROL_STATUS2:
310 			s = "status2";
311 			break;
312 		case DWC3_TRBCTL_CONTROL_STATUS3:
313 			s = "status3";
314 			break;
315 		case DWC3_TRBCTL_CONTROL_DATA:
316 			s = "data";
317 			break;
318 		case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
319 			s = "isoc-first";
320 			break;
321 		case DWC3_TRBCTL_ISOCHRONOUS:
322 			s = "isoc";
323 			break;
324 		case DWC3_TRBCTL_LINK_TRB:
325 			s = "link";
326 			break;
327 		default:
328 			s = "UNKNOWN";
329 			break;
330 		} s; })
331 	)
332 );
333 
334 DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
335 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
336 	TP_ARGS(dep, trb)
337 );
338 
339 DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
340 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
341 	TP_ARGS(dep, trb)
342 );
343 
344 DECLARE_EVENT_CLASS(dwc3_log_ep,
345 	TP_PROTO(struct dwc3_ep *dep),
346 	TP_ARGS(dep),
347 	TP_STRUCT__entry(
348 		__dynamic_array(char, name, DWC3_MSG_MAX)
349 		__field(unsigned, maxpacket)
350 		__field(unsigned, maxpacket_limit)
351 		__field(unsigned, max_streams)
352 		__field(unsigned, maxburst)
353 		__field(unsigned, flags)
354 		__field(unsigned, direction)
355 		__field(u8, trb_enqueue)
356 		__field(u8, trb_dequeue)
357 	),
358 	TP_fast_assign(
359 		snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
360 		__entry->maxpacket = dep->endpoint.maxpacket;
361 		__entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
362 		__entry->max_streams = dep->endpoint.max_streams;
363 		__entry->maxburst = dep->endpoint.maxburst;
364 		__entry->flags = dep->flags;
365 		__entry->direction = dep->direction;
366 		__entry->trb_enqueue = dep->trb_enqueue;
367 		__entry->trb_dequeue = dep->trb_dequeue;
368 	),
369 	TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c%c:%c:%c",
370 		__get_str(name), __entry->maxpacket,
371 		__entry->maxpacket_limit, __entry->max_streams,
372 		__entry->maxburst, __entry->trb_enqueue,
373 		__entry->trb_dequeue,
374 		__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
375 		__entry->flags & DWC3_EP_STALL ? 'S' : 's',
376 		__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
377 		__entry->flags & DWC3_EP_BUSY ? 'B' : 'b',
378 		__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
379 		__entry->flags & DWC3_EP_MISSED_ISOC ? 'M' : 'm',
380 		__entry->flags & DWC3_EP_END_TRANSFER_PENDING ? 'E' : 'e',
381 		__entry->direction ? '<' : '>'
382 	)
383 );
384 
385 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
386 	TP_PROTO(struct dwc3_ep *dep),
387 	TP_ARGS(dep)
388 );
389 
390 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_disable,
391 	TP_PROTO(struct dwc3_ep *dep),
392 	TP_ARGS(dep)
393 );
394 
395 #endif /* __DWC3_TRACE_H */
396 
397 /* this part has to be here */
398 
399 #undef TRACE_INCLUDE_PATH
400 #define TRACE_INCLUDE_PATH .
401 
402 #undef TRACE_INCLUDE_FILE
403 #define TRACE_INCLUDE_FILE trace
404 
405 #include <trace/define_trace.h>
406