usb/chipidea/trace.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Trace support header file for device mode
0004  *
0005  * Copyright (C) 2020 NXP
0006  *
0007  * Author: Peter Chen <peter.chen@nxp.com>
0008  */
0009
0010 #undef TRACE_SYSTEM
0011 #define TRACE_SYSTEM chipidea
0012
0013 #if !defined(__LINUX_CHIPIDEA_TRACE) || defined(TRACE_HEADER_MULTI_READ)
0014 #define __LINUX_CHIPIDEA_TRACE
0015
0016 #include <linux/types.h>
0017 #include <linux/tracepoint.h>
0018 #include <linux/usb/chipidea.h>
0019 #include "ci.h"
0020 #include "udc.h"
0021
0022 #define CHIPIDEA_MSG_MAX    500
0023
0024 void ci_log(struct ci_hdrc *ci, const char *fmt, ...);
0025
0026 TRACE_EVENT(ci_log,
0027     TP_PROTO(struct ci_hdrc *ci, struct va_format *vaf),
0028     TP_ARGS(ci, vaf),
0029     TP_STRUCT__entry(
0030         __string(name, dev_name(ci->dev))
0031         __vstring(msg, vaf->fmt, vaf->va)
0032     ),
0033     TP_fast_assign(
0034         __assign_str(name, dev_name(ci->dev));
0035         __assign_vstr(msg, vaf->fmt, vaf->va);
0036     ),
0037     TP_printk("%s: %s", __get_str(name), __get_str(msg))
0038 );
0039
0040 DECLARE_EVENT_CLASS(ci_log_trb,
0041     TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
0042     TP_ARGS(hwep, hwreq, td),
0043     TP_STRUCT__entry(
0044         __string(name, hwep->name)
0045         __field(struct td_node *, td)
0046         __field(struct usb_request *, req)
0047         __field(dma_addr_t, dma)
0048         __field(s32, td_remaining_size)
0049         __field(u32, next)
0050         __field(u32, token)
0051         __field(u32, type)
0052     ),
0053     TP_fast_assign(
0054         __assign_str(name, hwep->name);
0055         __entry->req = &hwreq->req;
0056         __entry->td = td;
0057         __entry->dma = td->dma;
0058         __entry->td_remaining_size = td->td_remaining_size;
0059         __entry->next = le32_to_cpu(td->ptr->next);
0060         __entry->token = le32_to_cpu(td->ptr->token);
0061         __entry->type = usb_endpoint_type(hwep->ep.desc);
0062     ),
0063     TP_printk("%s: req: %p, td: %p, td_dma_address: %pad, remaining_size: %d, "
0064            "next: %x, total bytes: %d, status: %lx",
0065         __get_str(name), __entry->req, __entry->td, &__entry->dma,
0066         __entry->td_remaining_size, __entry->next,
0067         (int)((__entry->token & TD_TOTAL_BYTES) >> __ffs(TD_TOTAL_BYTES)),
0068         __entry->token & TD_STATUS
0069     )
0070 );
0071
0072 DEFINE_EVENT(ci_log_trb, ci_prepare_td,
0073     TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
0074     TP_ARGS(hwep, hwreq, td)
0075 );
0076
0077 DEFINE_EVENT(ci_log_trb, ci_complete_td,
0078     TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
0079     TP_ARGS(hwep, hwreq, td)
0080 );
0081
0082 #endif /* __LINUX_CHIPIDEA_TRACE */
0083
0084 /* this part must be outside header guard */
0085
0086 #undef TRACE_INCLUDE_PATH
0087 #define TRACE_INCLUDE_PATH .
0088
0089 #undef TRACE_INCLUDE_FILE
0090 #define TRACE_INCLUDE_FILE trace
0091
0092 #include <trace/define_trace.h>