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83374e035b
This patch implements a few initial tracepoints for the mtu3 driver. More traces can be added as necessary in order to ease the task of debugging. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
280 lines
6.8 KiB
C
280 lines
6.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/**
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* mtu3_trace.h - trace support
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*
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* Copyright (C) 2019 MediaTek Inc.
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*
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* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM mtu3
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#if !defined(__MTU3_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ)
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#define __MTU3_TRACE_H__
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#include "mtu3.h"
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#define MTU3_MSG_MAX 256
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TRACE_EVENT(mtu3_log,
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TP_PROTO(struct device *dev, struct va_format *vaf),
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TP_ARGS(dev, vaf),
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TP_STRUCT__entry(
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__string(name, dev_name(dev))
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__dynamic_array(char, msg, MTU3_MSG_MAX)
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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vsnprintf(__get_str(msg), MTU3_MSG_MAX, vaf->fmt, *vaf->va);
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),
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TP_printk("%s: %s", __get_str(name), __get_str(msg))
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);
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TRACE_EVENT(mtu3_u3_ltssm_isr,
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TP_PROTO(u32 intr),
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TP_ARGS(intr),
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TP_STRUCT__entry(
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__field(u32, intr)
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),
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TP_fast_assign(
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__entry->intr = intr;
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),
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TP_printk("(%08x) %s %s %s %s %s %s", __entry->intr,
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__entry->intr & HOT_RST_INTR ? "HOT_RST" : "",
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__entry->intr & WARM_RST_INTR ? "WARM_RST" : "",
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__entry->intr & ENTER_U3_INTR ? "ENT_U3" : "",
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__entry->intr & EXIT_U3_INTR ? "EXIT_U3" : "",
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__entry->intr & VBUS_RISE_INTR ? "VBUS_RISE" : "",
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__entry->intr & VBUS_FALL_INTR ? "VBUS_FALL" : ""
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)
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);
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TRACE_EVENT(mtu3_u2_common_isr,
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TP_PROTO(u32 intr),
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TP_ARGS(intr),
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TP_STRUCT__entry(
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__field(u32, intr)
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),
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TP_fast_assign(
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__entry->intr = intr;
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),
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TP_printk("(%08x) %s %s %s", __entry->intr,
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__entry->intr & SUSPEND_INTR ? "SUSPEND" : "",
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__entry->intr & RESUME_INTR ? "RESUME" : "",
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__entry->intr & RESET_INTR ? "RESET" : ""
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)
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);
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TRACE_EVENT(mtu3_qmu_isr,
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TP_PROTO(u32 done_intr, u32 exp_intr),
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TP_ARGS(done_intr, exp_intr),
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TP_STRUCT__entry(
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__field(u32, done_intr)
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__field(u32, exp_intr)
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),
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TP_fast_assign(
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__entry->done_intr = done_intr;
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__entry->exp_intr = exp_intr;
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),
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TP_printk("done (tx %04x, rx %04x), exp (%08x)",
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__entry->done_intr & 0xffff,
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__entry->done_intr >> 16,
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__entry->exp_intr
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)
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);
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DECLARE_EVENT_CLASS(mtu3_log_setup,
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TP_PROTO(struct usb_ctrlrequest *setup),
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TP_ARGS(setup),
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TP_STRUCT__entry(
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__field(__u8, bRequestType)
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__field(__u8, bRequest)
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__field(__u16, wValue)
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__field(__u16, wIndex)
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__field(__u16, wLength)
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),
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TP_fast_assign(
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__entry->bRequestType = setup->bRequestType;
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__entry->bRequest = setup->bRequest;
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__entry->wValue = le16_to_cpu(setup->wValue);
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__entry->wIndex = le16_to_cpu(setup->wIndex);
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__entry->wLength = le16_to_cpu(setup->wLength);
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),
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TP_printk("setup - %02x %02x %04x %04x %04x",
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__entry->bRequestType, __entry->bRequest,
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__entry->wValue, __entry->wIndex, __entry->wLength
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)
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);
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DEFINE_EVENT(mtu3_log_setup, mtu3_handle_setup,
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TP_PROTO(struct usb_ctrlrequest *setup),
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TP_ARGS(setup)
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);
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DECLARE_EVENT_CLASS(mtu3_log_request,
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TP_PROTO(struct mtu3_request *mreq),
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TP_ARGS(mreq),
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TP_STRUCT__entry(
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__string(name, mreq->mep->name)
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__field(struct mtu3_request *, mreq)
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__field(struct qmu_gpd *, gpd)
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__field(unsigned int, actual)
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__field(unsigned int, length)
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__field(int, status)
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__field(int, zero)
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__field(int, no_interrupt)
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),
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TP_fast_assign(
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__assign_str(name, mreq->mep->name);
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__entry->mreq = mreq;
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__entry->gpd = mreq->gpd;
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__entry->actual = mreq->request.actual;
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__entry->length = mreq->request.length;
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__entry->status = mreq->request.status;
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__entry->zero = mreq->request.zero;
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__entry->no_interrupt = mreq->request.no_interrupt;
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),
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TP_printk("%s: req %p gpd %p len %u/%u %s%s --> %d",
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__get_str(name), __entry->mreq, __entry->gpd,
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__entry->actual, __entry->length,
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__entry->zero ? "Z" : "z",
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__entry->no_interrupt ? "i" : "I",
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__entry->status
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)
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);
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DEFINE_EVENT(mtu3_log_request, mtu3_alloc_request,
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TP_PROTO(struct mtu3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(mtu3_log_request, mtu3_free_request,
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TP_PROTO(struct mtu3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(mtu3_log_request, mtu3_gadget_queue,
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TP_PROTO(struct mtu3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(mtu3_log_request, mtu3_gadget_dequeue,
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TP_PROTO(struct mtu3_request *req),
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TP_ARGS(req)
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);
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DEFINE_EVENT(mtu3_log_request, mtu3_req_complete,
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TP_PROTO(struct mtu3_request *req),
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TP_ARGS(req)
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);
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DECLARE_EVENT_CLASS(mtu3_log_gpd,
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TP_PROTO(struct mtu3_ep *mep, struct qmu_gpd *gpd),
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TP_ARGS(mep, gpd),
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TP_STRUCT__entry(
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__string(name, mep->name)
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__field(struct qmu_gpd *, gpd)
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__field(u32, dw0)
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__field(u32, dw1)
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__field(u32, dw2)
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__field(u32, dw3)
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),
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TP_fast_assign(
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__assign_str(name, mep->name);
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__entry->gpd = gpd;
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__entry->dw0 = le32_to_cpu(gpd->dw0_info);
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__entry->dw1 = le32_to_cpu(gpd->next_gpd);
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__entry->dw2 = le32_to_cpu(gpd->buffer);
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__entry->dw3 = le32_to_cpu(gpd->dw3_info);
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),
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TP_printk("%s: gpd %p - %08x %08x %08x %08x",
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__get_str(name), __entry->gpd,
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__entry->dw0, __entry->dw1,
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__entry->dw2, __entry->dw3
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)
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);
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DEFINE_EVENT(mtu3_log_gpd, mtu3_prepare_gpd,
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TP_PROTO(struct mtu3_ep *mep, struct qmu_gpd *gpd),
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TP_ARGS(mep, gpd)
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);
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DEFINE_EVENT(mtu3_log_gpd, mtu3_complete_gpd,
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TP_PROTO(struct mtu3_ep *mep, struct qmu_gpd *gpd),
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TP_ARGS(mep, gpd)
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);
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DEFINE_EVENT(mtu3_log_gpd, mtu3_zlp_exp_gpd,
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TP_PROTO(struct mtu3_ep *mep, struct qmu_gpd *gpd),
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TP_ARGS(mep, gpd)
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);
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DECLARE_EVENT_CLASS(mtu3_log_ep,
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TP_PROTO(struct mtu3_ep *mep),
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TP_ARGS(mep),
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TP_STRUCT__entry(
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__string(name, mep->name)
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__field(unsigned int, type)
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__field(unsigned int, slot)
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__field(unsigned int, maxp)
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__field(unsigned int, mult)
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__field(unsigned int, maxburst)
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__field(unsigned int, flags)
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__field(unsigned int, direction)
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__field(struct mtu3_gpd_ring *, gpd_ring)
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),
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TP_fast_assign(
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__assign_str(name, mep->name);
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__entry->type = mep->type;
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__entry->slot = mep->slot;
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__entry->maxp = mep->ep.maxpacket;
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__entry->mult = mep->ep.mult;
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__entry->maxburst = mep->ep.maxburst;
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__entry->flags = mep->flags;
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__entry->direction = mep->is_in;
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__entry->gpd_ring = &mep->gpd_ring;
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),
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TP_printk("%s: type %d maxp %d slot %d mult %d burst %d ring %p/%pad flags %c:%c%c%c:%c",
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__get_str(name), __entry->type,
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__entry->maxp, __entry->slot,
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__entry->mult, __entry->maxburst,
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__entry->gpd_ring, &__entry->gpd_ring->dma,
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__entry->flags & MTU3_EP_ENABLED ? 'E' : 'e',
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__entry->flags & MTU3_EP_STALL ? 'S' : 's',
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__entry->flags & MTU3_EP_WEDGE ? 'W' : 'w',
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__entry->flags & MTU3_EP_BUSY ? 'B' : 'b',
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__entry->direction ? '<' : '>'
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)
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);
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DEFINE_EVENT(mtu3_log_ep, mtu3_gadget_ep_enable,
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TP_PROTO(struct mtu3_ep *mep),
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TP_ARGS(mep)
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);
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DEFINE_EVENT(mtu3_log_ep, mtu3_gadget_ep_disable,
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TP_PROTO(struct mtu3_ep *mep),
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TP_ARGS(mep)
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);
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DEFINE_EVENT(mtu3_log_ep, mtu3_gadget_ep_set_halt,
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TP_PROTO(struct mtu3_ep *mep),
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TP_ARGS(mep)
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);
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#endif /* __MTU3_TRACE_H__ */
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/* this part has to be here */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE mtu3_trace
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#include <trace/define_trace.h>
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