xref: /openbmc/linux/drivers/usb/dwc3/trace.h (revision f09d24aa)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * trace.h - DesignWare USB3 DRD Controller Trace Support
4  *
5  * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com
6  *
7  * Author: Felipe Balbi <balbi@ti.com>
8  */
9 
10 #undef TRACE_SYSTEM
11 #define TRACE_SYSTEM dwc3
12 
13 #if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
14 #define __DWC3_TRACE_H
15 
16 #include <linux/types.h>
17 #include <linux/tracepoint.h>
18 #include <asm/byteorder.h>
19 #include "core.h"
20 #include "debug.h"
21 
22 DECLARE_EVENT_CLASS(dwc3_log_io,
23 	TP_PROTO(void *base, u32 offset, u32 value),
24 	TP_ARGS(base, offset, value),
25 	TP_STRUCT__entry(
26 		__field(void *, base)
27 		__field(u32, offset)
28 		__field(u32, value)
29 	),
30 	TP_fast_assign(
31 		__entry->base = base;
32 		__entry->offset = offset;
33 		__entry->value = value;
34 	),
35 	TP_printk("addr %p offset %04x value %08x",
36 		__entry->base + __entry->offset,
37 		__entry->offset,
38 		__entry->value)
39 );
40 
41 DEFINE_EVENT(dwc3_log_io, dwc3_readl,
42 	TP_PROTO(void __iomem *base, u32 offset, u32 value),
43 	TP_ARGS(base, offset, value)
44 );
45 
46 DEFINE_EVENT(dwc3_log_io, dwc3_writel,
47 	TP_PROTO(void __iomem *base, u32 offset, u32 value),
48 	TP_ARGS(base, offset, value)
49 );
50 
51 DECLARE_EVENT_CLASS(dwc3_log_event,
52 	TP_PROTO(u32 event, struct dwc3 *dwc),
53 	TP_ARGS(event, dwc),
54 	TP_STRUCT__entry(
55 		__field(u32, event)
56 		__field(u32, ep0state)
57 	),
58 	TP_fast_assign(
59 		__entry->event = event;
60 		__entry->ep0state = dwc->ep0state;
61 	),
62 	TP_printk("event (%08x): %s", __entry->event,
63 			dwc3_decode_event(__get_buf(DWC3_MSG_MAX), DWC3_MSG_MAX,
64 					__entry->event, __entry->ep0state))
65 );
66 
67 DEFINE_EVENT(dwc3_log_event, dwc3_event,
68 	TP_PROTO(u32 event, struct dwc3 *dwc),
69 	TP_ARGS(event, dwc)
70 );
71 
72 DECLARE_EVENT_CLASS(dwc3_log_ctrl,
73 	TP_PROTO(struct usb_ctrlrequest *ctrl),
74 	TP_ARGS(ctrl),
75 	TP_STRUCT__entry(
76 		__field(__u8, bRequestType)
77 		__field(__u8, bRequest)
78 		__field(__u16, wValue)
79 		__field(__u16, wIndex)
80 		__field(__u16, wLength)
81 	),
82 	TP_fast_assign(
83 		__entry->bRequestType = ctrl->bRequestType;
84 		__entry->bRequest = ctrl->bRequest;
85 		__entry->wValue = le16_to_cpu(ctrl->wValue);
86 		__entry->wIndex = le16_to_cpu(ctrl->wIndex);
87 		__entry->wLength = le16_to_cpu(ctrl->wLength);
88 	),
89 	TP_printk("%s", usb_decode_ctrl(__get_buf(DWC3_MSG_MAX), DWC3_MSG_MAX,
90 					__entry->bRequestType,
91 					__entry->bRequest, __entry->wValue,
92 					__entry->wIndex, __entry->wLength)
93 	)
94 );
95 
96 DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
97 	TP_PROTO(struct usb_ctrlrequest *ctrl),
98 	TP_ARGS(ctrl)
99 );
100 
101 DECLARE_EVENT_CLASS(dwc3_log_request,
102 	TP_PROTO(struct dwc3_request *req),
103 	TP_ARGS(req),
104 	TP_STRUCT__entry(
105 		__string(name, req->dep->name)
106 		__field(struct dwc3_request *, req)
107 		__field(unsigned int, actual)
108 		__field(unsigned int, length)
109 		__field(int, status)
110 		__field(int, zero)
111 		__field(int, short_not_ok)
112 		__field(int, no_interrupt)
113 	),
114 	TP_fast_assign(
115 		__assign_str(name, req->dep->name);
116 		__entry->req = req;
117 		__entry->actual = req->request.actual;
118 		__entry->length = req->request.length;
119 		__entry->status = req->request.status;
120 		__entry->zero = req->request.zero;
121 		__entry->short_not_ok = req->request.short_not_ok;
122 		__entry->no_interrupt = req->request.no_interrupt;
123 	),
124 	TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
125 		__get_str(name), __entry->req, __entry->actual, __entry->length,
126 		__entry->zero ? "Z" : "z",
127 		__entry->short_not_ok ? "S" : "s",
128 		__entry->no_interrupt ? "i" : "I",
129 		__entry->status
130 	)
131 );
132 
133 DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
134 	TP_PROTO(struct dwc3_request *req),
135 	TP_ARGS(req)
136 );
137 
138 DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
139 	TP_PROTO(struct dwc3_request *req),
140 	TP_ARGS(req)
141 );
142 
143 DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
144 	TP_PROTO(struct dwc3_request *req),
145 	TP_ARGS(req)
146 );
147 
148 DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
149 	TP_PROTO(struct dwc3_request *req),
150 	TP_ARGS(req)
151 );
152 
153 DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
154 	TP_PROTO(struct dwc3_request *req),
155 	TP_ARGS(req)
156 );
157 
158 DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
159 	TP_PROTO(unsigned int cmd, u32 param, int status),
160 	TP_ARGS(cmd, param, status),
161 	TP_STRUCT__entry(
162 		__field(unsigned int, cmd)
163 		__field(u32, param)
164 		__field(int, status)
165 	),
166 	TP_fast_assign(
167 		__entry->cmd = cmd;
168 		__entry->param = param;
169 		__entry->status = status;
170 	),
171 	TP_printk("cmd '%s' [%x] param %08x --> status: %s",
172 		dwc3_gadget_generic_cmd_string(__entry->cmd),
173 		__entry->cmd, __entry->param,
174 		dwc3_gadget_generic_cmd_status_string(__entry->status)
175 	)
176 );
177 
178 DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
179 	TP_PROTO(unsigned int cmd, u32 param, int status),
180 	TP_ARGS(cmd, param, status)
181 );
182 
183 DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
184 	TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
185 		struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
186 	TP_ARGS(dep, cmd, params, cmd_status),
187 	TP_STRUCT__entry(
188 		__string(name, dep->name)
189 		__field(unsigned int, cmd)
190 		__field(u32, param0)
191 		__field(u32, param1)
192 		__field(u32, param2)
193 		__field(int, cmd_status)
194 	),
195 	TP_fast_assign(
196 		__assign_str(name, dep->name);
197 		__entry->cmd = cmd;
198 		__entry->param0 = params->param0;
199 		__entry->param1 = params->param1;
200 		__entry->param2 = params->param2;
201 		__entry->cmd_status = cmd_status;
202 	),
203 	TP_printk("%s: cmd '%s' [%x] params %08x %08x %08x --> status: %s",
204 		__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
205 		__entry->cmd, __entry->param0,
206 		__entry->param1, __entry->param2,
207 		dwc3_ep_cmd_status_string(__entry->cmd_status)
208 	)
209 );
210 
211 DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
212 	TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
213 		struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
214 	TP_ARGS(dep, cmd, params, cmd_status)
215 );
216 
217 DECLARE_EVENT_CLASS(dwc3_log_trb,
218 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
219 	TP_ARGS(dep, trb),
220 	TP_STRUCT__entry(
221 		__string(name, dep->name)
222 		__field(struct dwc3_trb *, trb)
223 		__field(u32, bpl)
224 		__field(u32, bph)
225 		__field(u32, size)
226 		__field(u32, ctrl)
227 		__field(u32, type)
228 		__field(u32, enqueue)
229 		__field(u32, dequeue)
230 	),
231 	TP_fast_assign(
232 		__assign_str(name, dep->name);
233 		__entry->trb = trb;
234 		__entry->bpl = trb->bpl;
235 		__entry->bph = trb->bph;
236 		__entry->size = trb->size;
237 		__entry->ctrl = trb->ctrl;
238 		__entry->type = usb_endpoint_type(dep->endpoint.desc);
239 		__entry->enqueue = dep->trb_enqueue;
240 		__entry->dequeue = dep->trb_dequeue;
241 	),
242 	TP_printk("%s: trb %p (E%d:D%d) buf %08x%08x size %s%d ctrl %08x sofn %08x (%c%c%c%c:%c%c:%s)",
243 		__get_str(name), __entry->trb, __entry->enqueue,
244 		__entry->dequeue, __entry->bph, __entry->bpl,
245 		({char *s;
246 		int pcm = ((__entry->size >> 24) & 3) + 1;
247 
248 		switch (__entry->type) {
249 		case USB_ENDPOINT_XFER_INT:
250 		case USB_ENDPOINT_XFER_ISOC:
251 			switch (pcm) {
252 			case 1:
253 				s = "1x ";
254 				break;
255 			case 2:
256 				s = "2x ";
257 				break;
258 			case 3:
259 			default:
260 				s = "3x ";
261 				break;
262 			}
263 			break;
264 		default:
265 			s = "";
266 		} s; }),
267 		DWC3_TRB_SIZE_LENGTH(__entry->size), __entry->ctrl,
268 		DWC3_TRB_CTRL_GET_SID_SOFN(__entry->ctrl),
269 		__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
270 		__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
271 		__entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
272 		__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
273 		__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
274 		__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
275 		  dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))
276 	)
277 );
278 
279 DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
280 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
281 	TP_ARGS(dep, trb)
282 );
283 
284 DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
285 	TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
286 	TP_ARGS(dep, trb)
287 );
288 
289 DECLARE_EVENT_CLASS(dwc3_log_ep,
290 	TP_PROTO(struct dwc3_ep *dep),
291 	TP_ARGS(dep),
292 	TP_STRUCT__entry(
293 		__string(name, dep->name)
294 		__field(unsigned int, maxpacket)
295 		__field(unsigned int, maxpacket_limit)
296 		__field(unsigned int, max_streams)
297 		__field(unsigned int, maxburst)
298 		__field(unsigned int, flags)
299 		__field(unsigned int, direction)
300 		__field(u8, trb_enqueue)
301 		__field(u8, trb_dequeue)
302 	),
303 	TP_fast_assign(
304 		__assign_str(name, dep->name);
305 		__entry->maxpacket = dep->endpoint.maxpacket;
306 		__entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
307 		__entry->max_streams = dep->endpoint.max_streams;
308 		__entry->maxburst = dep->endpoint.maxburst;
309 		__entry->flags = dep->flags;
310 		__entry->direction = dep->direction;
311 		__entry->trb_enqueue = dep->trb_enqueue;
312 		__entry->trb_dequeue = dep->trb_dequeue;
313 	),
314 	TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c",
315 		__get_str(name), __entry->maxpacket,
316 		__entry->maxpacket_limit, __entry->max_streams,
317 		__entry->maxburst, __entry->trb_enqueue,
318 		__entry->trb_dequeue,
319 		__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
320 		__entry->flags & DWC3_EP_STALL ? 'S' : 's',
321 		__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
322 		__entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
323 		__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
324 		__entry->direction ? '<' : '>'
325 	)
326 );
327 
328 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
329 	TP_PROTO(struct dwc3_ep *dep),
330 	TP_ARGS(dep)
331 );
332 
333 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_disable,
334 	TP_PROTO(struct dwc3_ep *dep),
335 	TP_ARGS(dep)
336 );
337 
338 #endif /* __DWC3_TRACE_H */
339 
340 /* this part has to be here */
341 
342 #undef TRACE_INCLUDE_PATH
343 #define TRACE_INCLUDE_PATH .
344 
345 #undef TRACE_INCLUDE_FILE
346 #define TRACE_INCLUDE_FILE trace
347 
348 #include <trace/define_trace.h>
349