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linux-next/drivers/usb/dwc3/trace.h
Felipe Balbi 68d34c8a74 usb: dwc3: gadget: keep track of allocated and queued reqs 
We will be using this information to change how we
figure out when we need LST bit. For now, just
update our counters.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-06-20 12:32:49 +03:00

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/**
* trace.h - DesignWare USB3 DRD Controller Trace Support
*
* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
*
* Author: Felipe Balbi <balbi@ti.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 of
* the License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM dwc3
#if !defined(__DWC3_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __DWC3_TRACE_H
#include <linux/types.h>
#include <linux/tracepoint.h>
#include <asm/byteorder.h>
#include "core.h"
#include "debug.h"
DECLARE_EVENT_CLASS(dwc3_log_msg,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf),
TP_STRUCT__entry(__dynamic_array(char, msg, DWC3_MSG_MAX)),
TP_fast_assign(
vsnprintf(__get_str(msg), DWC3_MSG_MAX, vaf->fmt, *vaf->va);
),
TP_printk("%s", __get_str(msg))
);
DEFINE_EVENT(dwc3_log_msg, dwc3_readl,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(dwc3_log_msg, dwc3_writel,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(dwc3_log_msg, dwc3_core,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DECLARE_EVENT_CLASS(dwc3_log_event,
TP_PROTO(u32 event),
TP_ARGS(event),
TP_STRUCT__entry(
__field(u32, event)
),
TP_fast_assign(
__entry->event = event;
),
TP_printk("event (%08x): %s", __entry->event,
dwc3_decode_event(__entry->event))
);
DEFINE_EVENT(dwc3_log_event, dwc3_event,
TP_PROTO(u32 event),
TP_ARGS(event)
);
DECLARE_EVENT_CLASS(dwc3_log_ctrl,
TP_PROTO(struct usb_ctrlrequest *ctrl),
TP_ARGS(ctrl),
TP_STRUCT__entry(
__field(__u8, bRequestType)
__field(__u8, bRequest)
__field(__u16, wValue)
__field(__u16, wIndex)
__field(__u16, wLength)
),
TP_fast_assign(
__entry->bRequestType = ctrl->bRequestType;
__entry->bRequest = ctrl->bRequest;
__entry->wValue = le16_to_cpu(ctrl->wValue);
__entry->wIndex = le16_to_cpu(ctrl->wIndex);
__entry->wLength = le16_to_cpu(ctrl->wLength);
),
TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
__entry->bRequestType, __entry->bRequest,
__entry->wValue, __entry->wIndex,
__entry->wLength
)
);
DEFINE_EVENT(dwc3_log_ctrl, dwc3_ctrl_req,
TP_PROTO(struct usb_ctrlrequest *ctrl),
TP_ARGS(ctrl)
);
DECLARE_EVENT_CLASS(dwc3_log_request,
TP_PROTO(struct dwc3_request *req),
TP_ARGS(req),
TP_STRUCT__entry(
__dynamic_array(char, name, DWC3_MSG_MAX)
__field(struct dwc3_request *, req)
__field(unsigned, actual)
__field(unsigned, length)
__field(int, status)
__field(int, zero)
__field(int, short_not_ok)
__field(int, no_interrupt)
),
TP_fast_assign(
snprintf(__get_str(name), DWC3_MSG_MAX, "%s", req->dep->name);
__entry->req = req;
__entry->actual = req->request.actual;
__entry->length = req->request.length;
__entry->status = req->request.status;
__entry->zero = req->request.zero;
__entry->short_not_ok = req->request.short_not_ok;
__entry->no_interrupt = req->request.no_interrupt;
),
TP_printk("%s: req %p length %u/%u %s%s%s ==> %d",
__get_str(name), __entry->req, __entry->actual, __entry->length,
__entry->zero ? "Z" : "z",
__entry->short_not_ok ? "S" : "s",
__entry->no_interrupt ? "i" : "I",
__entry->status
)
);
DEFINE_EVENT(dwc3_log_request, dwc3_alloc_request,
TP_PROTO(struct dwc3_request *req),
TP_ARGS(req)
);
DEFINE_EVENT(dwc3_log_request, dwc3_free_request,
TP_PROTO(struct dwc3_request *req),
TP_ARGS(req)
);
DEFINE_EVENT(dwc3_log_request, dwc3_ep_queue,
TP_PROTO(struct dwc3_request *req),
TP_ARGS(req)
);
DEFINE_EVENT(dwc3_log_request, dwc3_ep_dequeue,
TP_PROTO(struct dwc3_request *req),
TP_ARGS(req)
);
DEFINE_EVENT(dwc3_log_request, dwc3_gadget_giveback,
TP_PROTO(struct dwc3_request *req),
TP_ARGS(req)
);
DECLARE_EVENT_CLASS(dwc3_log_generic_cmd,
TP_PROTO(unsigned int cmd, u32 param, int status),
TP_ARGS(cmd, param, status),
TP_STRUCT__entry(
__field(unsigned int, cmd)
__field(u32, param)
__field(int, status)
),
TP_fast_assign(
__entry->cmd = cmd;
__entry->param = param;
__entry->status = status;
),
TP_printk("cmd '%s' [%d] param %08x --> status: %s",
dwc3_gadget_generic_cmd_string(__entry->cmd),
__entry->cmd, __entry->param,
dwc3_gadget_generic_cmd_status_string(__entry->status)
)
);
DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
TP_PROTO(unsigned int cmd, u32 param, int status),
TP_ARGS(cmd, param, status)
);
DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
TP_ARGS(dep, cmd, params, cmd_status),
TP_STRUCT__entry(
__dynamic_array(char, name, DWC3_MSG_MAX)
__field(unsigned int, cmd)
__field(u32, param0)
__field(u32, param1)
__field(u32, param2)
__field(int, cmd_status)
),
TP_fast_assign(
snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
__entry->cmd = cmd;
__entry->param0 = params->param0;
__entry->param1 = params->param1;
__entry->param2 = params->param2;
__entry->cmd_status = cmd_status;
),
TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x --> status: %s",
__get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd),
__entry->cmd, __entry->param0,
__entry->param1, __entry->param2,
dwc3_ep_cmd_status_string(__entry->cmd_status)
)
);
DEFINE_EVENT(dwc3_log_gadget_ep_cmd, dwc3_gadget_ep_cmd,
TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
struct dwc3_gadget_ep_cmd_params *params, int cmd_status),
TP_ARGS(dep, cmd, params, cmd_status)
);
DECLARE_EVENT_CLASS(dwc3_log_trb,
TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
TP_ARGS(dep, trb),
TP_STRUCT__entry(
__dynamic_array(char, name, DWC3_MSG_MAX)
__field(struct dwc3_trb *, trb)
__field(u32, allocated)
__field(u32, queued)
__field(u32, bpl)
__field(u32, bph)
__field(u32, size)
__field(u32, ctrl)
),
TP_fast_assign(
snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
__entry->trb = trb;
__entry->allocated = dep->allocated_requests;
__entry->queued = dep->queued_requests;
__entry->bpl = trb->bpl;
__entry->bph = trb->bph;
__entry->size = trb->size;
__entry->ctrl = trb->ctrl;
),
TP_printk("%s: %d/%d trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
__get_str(name), __entry->queued, __entry->allocated,
__entry->trb, __entry->bph, __entry->bpl,
__entry->size, __entry->ctrl,
__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
__entry->ctrl & DWC3_TRB_CTRL_CHN ? 'C' : 'c',
__entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's',
__entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's',
__entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c',
({char *s;
switch (__entry->ctrl & 0x3f0) {
case DWC3_TRBCTL_NORMAL:
s = "normal";
break;
case DWC3_TRBCTL_CONTROL_SETUP:
s = "setup";
break;
case DWC3_TRBCTL_CONTROL_STATUS2:
s = "status2";
break;
case DWC3_TRBCTL_CONTROL_STATUS3:
s = "status3";
break;
case DWC3_TRBCTL_CONTROL_DATA:
s = "data";
break;
case DWC3_TRBCTL_ISOCHRONOUS_FIRST:
s = "isoc-first";
break;
case DWC3_TRBCTL_ISOCHRONOUS:
s = "isoc";
break;
case DWC3_TRBCTL_LINK_TRB:
s = "link";
break;
default:
s = "UNKNOWN";
break;
} s; })
)
);
DEFINE_EVENT(dwc3_log_trb, dwc3_prepare_trb,
TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
TP_ARGS(dep, trb)
);
DEFINE_EVENT(dwc3_log_trb, dwc3_complete_trb,
TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
TP_ARGS(dep, trb)
);
#endif /* __DWC3_TRACE_H */
/* this part has to be here */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>
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