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  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
 30DECLARE_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
 40DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
 41	TP_PROTO(struct va_format *vaf),
 42	TP_ARGS(vaf)
 43);
 44
 45DEFINE_EVENT(dwc3_log_msg, dwc3_core,
 46	TP_PROTO(struct va_format *vaf),
 47	TP_ARGS(vaf)
 48);
 49
 50DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
 51	TP_PROTO(struct va_format *vaf),
 52	TP_ARGS(vaf)
 53);
 54
 55DECLARE_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
 72DEFINE_EVENT(dwc3_log_io, dwc3_readl,
 73	TP_PROTO(void *base, u32 offset, u32 value),
 74	TP_ARGS(base, offset, value)
 75);
 76
 77DEFINE_EVENT(dwc3_log_io, dwc3_writel,
 78	TP_PROTO(void *base, u32 offset, u32 value),
 79	TP_ARGS(base, offset, value)
 80);
 81
 82DECLARE_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
 97DEFINE_EVENT(dwc3_log_event, dwc3_event,
 98	TP_PROTO(u32 event, struct dwc3 *dwc),
 99	TP_ARGS(event, dwc)
100);
101
102DECLARE_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
126DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
127	TP_PROTO(struct usb_ctrlrequest *ctrl),
128	TP_ARGS(ctrl)
129);
130
131DECLARE_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
163DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
164	TP_PROTO(struct dwc3_request *req),
165	TP_ARGS(req)
166);
167
168DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
169	TP_PROTO(struct dwc3_request *req),
170	TP_ARGS(req)
171);
172
173DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
174	TP_PROTO(struct dwc3_request *req),
175	TP_ARGS(req)
176);
177
178DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
179	TP_PROTO(struct dwc3_request *req),
180	TP_ARGS(req)
181);
182
183DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
184	TP_PROTO(struct dwc3_request *req),
185	TP_ARGS(req)
186);
187
188DECLARE_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
208DEFINE_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
213DECLARE_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
241DEFINE_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
247DECLARE_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
334DEFINE_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
339DEFINE_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
344DECLARE_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
385DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
386	TP_PROTO(struct dwc3_ep *dep),
387	TP_ARGS(dep)
388);
389
390DEFINE_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>