drivers/usb/dwc3/trace.h

   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_readl,
  41         TP_PROTO(struct va_format *vaf),
  42         TP_ARGS(vaf)
  43 );
  44
  45 DEFINE_EVENT(dwc3_log_msg, dwc3_writel,
  46         TP_PROTO(struct va_format *vaf),
  47         TP_ARGS(vaf)
  48 );
  49
  50 DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
  51         TP_PROTO(struct va_format *vaf),
  52         TP_ARGS(vaf)
  53 );
  54
  55 DEFINE_EVENT(dwc3_log_msg, dwc3_core,
  56         TP_PROTO(struct va_format *vaf),
  57         TP_ARGS(vaf)
  58 );
  59
  60 DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
  61         TP_PROTO(struct va_format *vaf),
  62         TP_ARGS(vaf)
  63 );
  64
  65 DECLARE_EVENT_CLASS(dwc3_log_event,
  66         TP_PROTO(u32 event),
  67         TP_ARGS(event),
  68         TP_STRUCT__entry(
  69                 __field(u32, event)
  70         ),
  71         TP_fast_assign(
  72                 __entry->event = event;
  73         ),
  74         TP_printk("event (%08x): %s", __entry->event,
  75                         dwc3_decode_event(__entry->event))
  76 );
  77
  78 DEFINE_EVENT(dwc3_log_event, dwc3_event,
  79         TP_PROTO(u32 event),
  80         TP_ARGS(event)
  81 );
  82
  83 DECLARE_EVENT_CLASS(dwc3_log_ctrl,
  84         TP_PROTO(struct usb_ctrlrequest *ctrl),
  85         TP_ARGS(ctrl),
  86         TP_STRUCT__entry(
  87                 __field(__u8, bRequestType)
  88                 __field(__u8, bRequest)
  89                 __field(__u16, wValue)
  90                 __field(__u16, wIndex)
  91                 __field(__u16, wLength)
  92         ),
  93         TP_fast_assign(
  94                 __entry->bRequestType = ctrl->bRequestType;
  95                 __entry->bRequest = ctrl->bRequest;
  96                 __entry->wValue = le16_to_cpu(ctrl->wValue);
  97                 __entry->wIndex = le16_to_cpu(ctrl->wIndex);
  98                 __entry->wLength = le16_to_cpu(ctrl->wLength);
  99         ),
 100         TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
 101                 __entry->bRequestType, __entry->bRequest,
 102                 __entry->wValue, __entry->wIndex,
 103                 __entry->wLength
 104         )
 105 );
 106
 107 DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
 108         TP_PROTO(struct usb_ctrlrequest *ctrl),
 109         TP_ARGS(ctrl)
 110 );
 111
 112 DECLARE_EVENT_CLASS(dwc3_log_request,
 113         TP_PROTO(struct dwc3_request *req),
 114         TP_ARGS(req),
 115         TP_STRUCT__entry(
 116                 __dynamic_array(char, name, DWC3_MSG_MAX)
 117                 __field(struct dwc3_request *, req)
 118                 __field(unsigned, actual)
 119                 __field(unsigned, length)
 120                 __field(int, status)
 121                 __field(int, zero)
 122                 __field(int, short_not_ok)
 123                 __field(int, no_interrupt)
 124         ),
 125         TP_fast_assign(
 126                 snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name);
 127                 __entry->req = req;
 128                 __entry->actual = req->request.actual;
 129                 __entry->length = req->request.length;
 130                 __entry->status = req->request.status;
 131                 __entry->zero = req->request.zero;
 132                 __entry->short_not_ok = req->request.short_not_ok;
 133                 __entry->no_interrupt = req->request.no_interrupt;
 134         ),
 135         TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
 136                 __get_str(name), __entry->req, __entry->actual, __entry->length,
 137                 __entry->zero ? "Z" : "z",
 138                 __entry->short_not_ok ? "S" : "s",
 139                 __entry->no_interrupt ? "i" : "I",
 140                 __entry->status
 141         )
 142 );
 143
 144 DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
 145         TP_PROTO(struct dwc3_request *req),
 146         TP_ARGS(req)
 147 );
 148
 149 DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
 150         TP_PROTO(struct dwc3_request *req),
 151         TP_ARGS(req)
 152 );
 153
 154 DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
 155         TP_PROTO(struct dwc3_request *req),
 156         TP_ARGS(req)
 157 );
 158
 159 DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
 160         TP_PROTO(struct dwc3_request *req),
 161         TP_ARGS(req)
 162 );
 163
 164 DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
 165         TP_PROTO(struct dwc3_request *req),
 166         TP_ARGS(req)
 167 );
 168
 169 DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
 170         TP_PROTO(unsigned int cmd, u32 param, int status),
 171         TP_ARGS(cmd, param, status),
 172         TP_STRUCT__entry(
 173                 __field(unsigned int, cmd)
 174                 __field(u32, param)
 175                 __field(int, status)
 176         ),
 177         TP_fast_assign(
 178                 __entry->cmd = cmd;
 179                 __entry->param = param;
 180                 __entry->status = status;
 181         ),
 182         TP_printk("cmd '%s' [%d] param %08x --> status: %s",
 183                 dwc3_gadget_generic_cmd_string(__entry->cmd),
 184                 __entry->cmd, __entry->param,
 185                 dwc3_gadget_generic_cmd_status_string(__entry->status)
 186         )
 187 );
 188
 189 DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
 190         TP_PROTO(unsigned int cmd, u32 param, int status),
 191         TP_ARGS(cmd, param, status)
 192 );
 193
 194 DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
 195         TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
 196                 struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
 197         TP_ARGS(dep, cmd, params, cmd_status),
 198         TP_STRUCT__entry(
 199                 __dynamic_array(char, name, DWC3_MSG_MAX)
 200                 __field(unsigned int, cmd)
 201                 __field(u32, param0)
 202                 __field(u32, param1)
 203                 __field(u32, param2)
 204                 __field(int, cmd_status)
 205         ),
 206         TP_fast_assign(
 207                 snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
 208                 __entry->cmd = cmd;
 209                 __entry->param0 = params->param0;
 210                 __entry->param1 = params->param1;
 211                 __entry->param2 = params->param2;
 212                 __entry->cmd_status = cmd_status;
 213         ),
 214         TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x --> status: %s",
 215                 __get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
 216                 __entry->cmd, __entry->param0,
 217                 __entry->param1, __entry->param2,
 218                 dwc3_ep_cmd_status_string(__entry->cmd_status)
 219         )
 220 );
 221
 222 DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
 223         TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
 224                 struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
 225         TP_ARGS(dep, cmd, params, cmd_status)
 226 );
 227
 228 DECLARE_EVENT_CLASS(dwc3_log_trb,
 229         TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 230         TP_ARGS(dep, trb),
 231         TP_STRUCT__entry(
 232                 __dynamic_array(char, name, DWC3_MSG_MAX)
 233                 __field(struct dwc3_trb *, trb)
 234                 __field(u32, allocated)
 235                 __field(u32, queued)
 236                 __field(u32, bpl)
 237                 __field(u32, bph)
 238                 __field(u32, size)
 239                 __field(u32, ctrl)
 240         ),
 241         TP_fast_assign(
 242                 snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
 243                 __entry->trb = trb;
 244                 __entry->allocated = dep->allocated_requests;
 245                 __entry->queued = dep->queued_requests;
 246                 __entry->bpl = trb->bpl;
 247                 __entry->bph = trb->bph;
 248                 __entry->size = trb->size;
 249                 __entry->ctrl = trb->ctrl;
 250         ),
 251         TP_printk("%s: %d/%d trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
 252                 __get_str(name), __entry->queued, __entry->allocated,
 253                 __entry->trb, __entry->bph, __entry->bpl,
 254                 __entry->size, __entry->ctrl,
 255                 __entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
 256                 __entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
 257                 __entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
 258                 __entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
 259                 __entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
 260                 __entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
 261                 ({char *s;
 262                 switch (__entry->ctrl & 0x3f0) {
 263                 case DWC3_TRBCTL_NORMAL:
 264                         s = "normal";
 265                         break;
 266                 case DWC3_TRBCTL_CONTROL_SETUP:
 267                         s = "setup";
 268                         break;
 269                 case DWC3_TRBCTL_CONTROL_STATUS2:
 270                         s = "status2";
 271                         break;
 272                 case DWC3_TRBCTL_CONTROL_STATUS3:
 273                         s = "status3";
 274                         break;
 275                 case DWC3_TRBCTL_CONTROL_DATA:
 276                         s = "data";
 277                         break;
 278                 case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
 279                         s = "isoc-first";
 280                         break;
 281                 case DWC3_TRBCTL_ISOCHRONOUS:
 282                         s = "isoc";
 283                         break;
 284                 case DWC3_TRBCTL_LINK_TRB:
 285                         s = "link";
 286                         break;
 287                 default:
 288                         s = "UNKNOWN";
 289                         break;
 290                 } s; })
 291         )
 292 );
 293
 294 DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
 295         TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 296         TP_ARGS(dep, trb)
 297 );
 298
 299 DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
 300         TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
 301         TP_ARGS(dep, trb)
 302 );
 303
 304 #endif /* __DWC3_TRACE_H */
 305
 306 /* this part has to be here */
 307
 308 #undef TRACE_INCLUDE_PATH
 309 #define TRACE_INCLUDE_PATH .
 310
 311 #undef TRACE_INCLUDE_FILE
 312 #define TRACE_INCLUDE_FILE trace
 313
 314 #include <trace/define_trace.h>