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0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * trace.h - DesignWare USB3 DRD Controller Trace Support
0004  *
0005  * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com
0006  *
0007  * Author: Felipe Balbi <balbi@ti.com>
0008  */
0009 
0010 #undef TRACE_SYSTEM
0011 #define TRACE_SYSTEM dwc3
0012 
0013 #if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
0014 #define __DWC3_TRACE_H
0015 
0016 #include <linux/types.h>
0017 #include <linux/tracepoint.h>
0018 #include <asm/byteorder.h>
0019 #include "core.h"
0020 #include "debug.h"
0021 
0022 DECLARE_EVENT_CLASS(dwc3_log_io,
0023     TP_PROTO(void *base, u32 offset, u32 value),
0024     TP_ARGS(base, offset, value),
0025     TP_STRUCT__entry(
0026         __field(void *, base)
0027         __field(u32, offset)
0028         __field(u32, value)
0029     ),
0030     TP_fast_assign(
0031         __entry->base = base;
0032         __entry->offset = offset;
0033         __entry->value = value;
0034     ),
0035     TP_printk("addr %p offset %04x value %08x",
0036         __entry->base + __entry->offset,
0037         __entry->offset,
0038         __entry->value)
0039 );
0040 
0041 DEFINE_EVENT(dwc3_log_io, dwc3_readl,
0042     TP_PROTO(void __iomem *base, u32 offset, u32 value),
0043     TP_ARGS(base, offset, value)
0044 );
0045 
0046 DEFINE_EVENT(dwc3_log_io, dwc3_writel,
0047     TP_PROTO(void __iomem *base, u32 offset, u32 value),
0048     TP_ARGS(base, offset, value)
0049 );
0050 
0051 DECLARE_EVENT_CLASS(dwc3_log_event,
0052     TP_PROTO(u32 event, struct dwc3 *dwc),
0053     TP_ARGS(event, dwc),
0054     TP_STRUCT__entry(
0055         __field(u32, event)
0056         __field(u32, ep0state)
0057         __dynamic_array(char, str, DWC3_MSG_MAX)
0058     ),
0059     TP_fast_assign(
0060         __entry->event = event;
0061         __entry->ep0state = dwc->ep0state;
0062     ),
0063     TP_printk("event (%08x): %s", __entry->event,
0064             dwc3_decode_event(__get_str(str), DWC3_MSG_MAX,
0065                     __entry->event, __entry->ep0state))
0066 );
0067 
0068 DEFINE_EVENT(dwc3_log_event, dwc3_event,
0069     TP_PROTO(u32 event, struct dwc3 *dwc),
0070     TP_ARGS(event, dwc)
0071 );
0072 
0073 DECLARE_EVENT_CLASS(dwc3_log_ctrl,
0074     TP_PROTO(struct usb_ctrlrequest *ctrl),
0075     TP_ARGS(ctrl),
0076     TP_STRUCT__entry(
0077         __field(__u8, bRequestType)
0078         __field(__u8, bRequest)
0079         __field(__u16, wValue)
0080         __field(__u16, wIndex)
0081         __field(__u16, wLength)
0082         __dynamic_array(char, str, DWC3_MSG_MAX)
0083     ),
0084     TP_fast_assign(
0085         __entry->bRequestType = ctrl->bRequestType;
0086         __entry->bRequest = ctrl->bRequest;
0087         __entry->wValue = le16_to_cpu(ctrl->wValue);
0088         __entry->wIndex = le16_to_cpu(ctrl->wIndex);
0089         __entry->wLength = le16_to_cpu(ctrl->wLength);
0090     ),
0091     TP_printk("%s", usb_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
0092                     __entry->bRequestType,
0093                     __entry->bRequest, __entry->wValue,
0094                     __entry->wIndex, __entry->wLength)
0095     )
0096 );
0097 
0098 DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
0099     TP_PROTO(struct usb_ctrlrequest *ctrl),
0100     TP_ARGS(ctrl)
0101 );
0102 
0103 DECLARE_EVENT_CLASS(dwc3_log_request,
0104     TP_PROTO(struct dwc3_request *req),
0105     TP_ARGS(req),
0106     TP_STRUCT__entry(
0107         __string(name, req->dep->name)
0108         __field(struct dwc3_request *, req)
0109         __field(unsigned int, actual)
0110         __field(unsigned int, length)
0111         __field(int, status)
0112         __field(int, zero)
0113         __field(int, short_not_ok)
0114         __field(int, no_interrupt)
0115     ),
0116     TP_fast_assign(
0117         __assign_str(name, req->dep->name);
0118         __entry->req = req;
0119         __entry->actual = req->request.actual;
0120         __entry->length = req->request.length;
0121         __entry->status = req->request.status;
0122         __entry->zero = req->request.zero;
0123         __entry->short_not_ok = req->request.short_not_ok;
0124         __entry->no_interrupt = req->request.no_interrupt;
0125     ),
0126     TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
0127         __get_str(name), __entry->req, __entry->actual, __entry->length,
0128         __entry->zero ? "Z" : "z",
0129         __entry->short_not_ok ? "S" : "s",
0130         __entry->no_interrupt ? "i" : "I",
0131         __entry->status
0132     )
0133 );
0134 
0135 DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
0136     TP_PROTO(struct dwc3_request *req),
0137     TP_ARGS(req)
0138 );
0139 
0140 DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
0141     TP_PROTO(struct dwc3_request *req),
0142     TP_ARGS(req)
0143 );
0144 
0145 DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
0146     TP_PROTO(struct dwc3_request *req),
0147     TP_ARGS(req)
0148 );
0149 
0150 DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
0151     TP_PROTO(struct dwc3_request *req),
0152     TP_ARGS(req)
0153 );
0154 
0155 DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
0156     TP_PROTO(struct dwc3_request *req),
0157     TP_ARGS(req)
0158 );
0159 
0160 DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
0161     TP_PROTO(unsigned int cmd, u32 param, int status),
0162     TP_ARGS(cmd, param, status),
0163     TP_STRUCT__entry(
0164         __field(unsigned int, cmd)
0165         __field(u32, param)
0166         __field(int, status)
0167     ),
0168     TP_fast_assign(
0169         __entry->cmd = cmd;
0170         __entry->param = param;
0171         __entry->status = status;
0172     ),
0173     TP_printk("cmd '%s' [%x] param %08x --> status: %s",
0174         dwc3_gadget_generic_cmd_string(__entry->cmd),
0175         __entry->cmd, __entry->param,
0176         dwc3_gadget_generic_cmd_status_string(__entry->status)
0177     )
0178 );
0179 
0180 DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
0181     TP_PROTO(unsigned int cmd, u32 param, int status),
0182     TP_ARGS(cmd, param, status)
0183 );
0184 
0185 DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
0186     TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
0187         struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
0188     TP_ARGS(dep, cmd, params, cmd_status),
0189     TP_STRUCT__entry(
0190         __string(name, dep->name)
0191         __field(unsigned int, cmd)
0192         __field(u32, param0)
0193         __field(u32, param1)
0194         __field(u32, param2)
0195         __field(int, cmd_status)
0196     ),
0197     TP_fast_assign(
0198         __assign_str(name, dep->name);
0199         __entry->cmd = cmd;
0200         __entry->param0 = params->param0;
0201         __entry->param1 = params->param1;
0202         __entry->param2 = params->param2;
0203         __entry->cmd_status = cmd_status;
0204     ),
0205     TP_printk("%s: cmd '%s' [%x] params %08x %08x %08x --> status: %s",
0206         __get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
0207         __entry->cmd, __entry->param0,
0208         __entry->param1, __entry->param2,
0209         dwc3_ep_cmd_status_string(__entry->cmd_status)
0210     )
0211 );
0212 
0213 DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
0214     TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
0215         struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
0216     TP_ARGS(dep, cmd, params, cmd_status)
0217 );
0218 
0219 DECLARE_EVENT_CLASS(dwc3_log_trb,
0220     TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
0221     TP_ARGS(dep, trb),
0222     TP_STRUCT__entry(
0223         __string(name, dep->name)
0224         __field(struct dwc3_trb *, trb)
0225         __field(u32, bpl)
0226         __field(u32, bph)
0227         __field(u32, size)
0228         __field(u32, ctrl)
0229         __field(u32, type)
0230         __field(u32, enqueue)
0231         __field(u32, dequeue)
0232     ),
0233     TP_fast_assign(
0234         __assign_str(name, dep->name);
0235         __entry->trb = trb;
0236         __entry->bpl = trb->bpl;
0237         __entry->bph = trb->bph;
0238         __entry->size = trb->size;
0239         __entry->ctrl = trb->ctrl;
0240         __entry->type = usb_endpoint_type(dep->endpoint.desc);
0241         __entry->enqueue = dep->trb_enqueue;
0242         __entry->dequeue = dep->trb_dequeue;
0243     ),
0244     TP_printk("%s: trb %p (E%d:D%d) buf %08x%08x size %s%d ctrl %08x (%c%c%c%c:%c%c:%s)",
0245         __get_str(name), __entry->trb, __entry->enqueue,
0246         __entry->dequeue, __entry->bph, __entry->bpl,
0247         ({char *s;
0248         int pcm = ((__entry->size >> 24) & 3) + 1;
0249 
0250         switch (__entry->type) {
0251         case USB_ENDPOINT_XFER_INT:
0252         case USB_ENDPOINT_XFER_ISOC:
0253             switch (pcm) {
0254             case 1:
0255                 s = "1x ";
0256                 break;
0257             case 2:
0258                 s = "2x ";
0259                 break;
0260             case 3:
0261             default:
0262                 s = "3x ";
0263                 break;
0264             }
0265             break;
0266         default:
0267             s = "";
0268         } s; }),
0269         DWC3_TRB_SIZE_LENGTH(__entry->size), __entry->ctrl,
0270         __entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
0271         __entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
0272         __entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
0273         __entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
0274         __entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
0275         __entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
0276           dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl))
0277     )
0278 );
0279 
0280 DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
0281     TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
0282     TP_ARGS(dep, trb)
0283 );
0284 
0285 DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
0286     TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
0287     TP_ARGS(dep, trb)
0288 );
0289 
0290 DECLARE_EVENT_CLASS(dwc3_log_ep,
0291     TP_PROTO(struct dwc3_ep *dep),
0292     TP_ARGS(dep),
0293     TP_STRUCT__entry(
0294         __string(name, dep->name)
0295         __field(unsigned int, maxpacket)
0296         __field(unsigned int, maxpacket_limit)
0297         __field(unsigned int, max_streams)
0298         __field(unsigned int, maxburst)
0299         __field(unsigned int, flags)
0300         __field(unsigned int, direction)
0301         __field(u8, trb_enqueue)
0302         __field(u8, trb_dequeue)
0303     ),
0304     TP_fast_assign(
0305         __assign_str(name, dep->name);
0306         __entry->maxpacket = dep->endpoint.maxpacket;
0307         __entry->maxpacket_limit = dep->endpoint.maxpacket_limit;
0308         __entry->max_streams = dep->endpoint.max_streams;
0309         __entry->maxburst = dep->endpoint.maxburst;
0310         __entry->flags = dep->flags;
0311         __entry->direction = dep->direction;
0312         __entry->trb_enqueue = dep->trb_enqueue;
0313         __entry->trb_dequeue = dep->trb_dequeue;
0314     ),
0315     TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c",
0316         __get_str(name), __entry->maxpacket,
0317         __entry->maxpacket_limit, __entry->max_streams,
0318         __entry->maxburst, __entry->trb_enqueue,
0319         __entry->trb_dequeue,
0320         __entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
0321         __entry->flags & DWC3_EP_STALL ? 'S' : 's',
0322         __entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
0323         __entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
0324         __entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
0325         __entry->direction ? '<' : '>'
0326     )
0327 );
0328 
0329 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_enable,
0330     TP_PROTO(struct dwc3_ep *dep),
0331     TP_ARGS(dep)
0332 );
0333 
0334 DEFINE_EVENT(dwc3_log_ep, dwc3_gadget_ep_disable,
0335     TP_PROTO(struct dwc3_ep *dep),
0336     TP_ARGS(dep)
0337 );
0338 
0339 #endif /* __DWC3_TRACE_H */
0340 
0341 /* this part has to be here */
0342 
0343 #undef TRACE_INCLUDE_PATH
0344 #define TRACE_INCLUDE_PATH .
0345 
0346 #undef TRACE_INCLUDE_FILE
0347 #define TRACE_INCLUDE_FILE trace
0348 
0349 #include <trace/define_trace.h>
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