1 files changed, 220 insertions, 0 deletions

diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
new file mode 100644
index 000000000000..78aff1da089a
--- /dev/null
+++ b/drivers/usb/dwc3/trace.h
@@ -0,0 +1,220 @@
+/**
+ * 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_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\n", __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(struct usb_ctrlrequest *, ctrl)
+        ),
+        TP_fast_assign(
+                __entry->ctrl = ctrl;
+        ),
+        TP_printk("bRequestType %02x bRequest %02x wValue %04x wIndex %04x wLength %d",
+                __entry->ctrl->bRequestType, __entry->ctrl->bRequest,
+                le16_to_cpu(__entry->ctrl->wValue), le16_to_cpu(__entry->ctrl->wIndex),
+                le16_to_cpu(__entry->ctrl->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(
+                __field(struct dwc3_request *, req)
+        ),
+        TP_fast_assign(
+                __entry->req = req;
+        ),
+        TP_printk("%s: req %p length %u/%u ==> %d",
+                __entry->req->dep->name, __entry->req,
+                __entry->req->request.actual, __entry->req->request.length,
+                __entry->req->request.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),
+        TP_ARGS(cmd, param),
+        TP_STRUCT__entry(
+                __field(unsigned int, cmd)
+                __field(u32, param)
+        ),
+        TP_fast_assign(
+                __entry->cmd = cmd;
+                __entry->param = param;
+        ),
+        TP_printk("cmd '%s' [%d] param %08x\n",
+                dwc3_gadget_generic_cmd_string(__entry->cmd),
+                __entry->cmd, __entry->param
+        )
+);
+
+DEFINE_EVENT(dwc3_log_generic_cmd, dwc3_gadget_generic_cmd,
+        TP_PROTO(unsigned int cmd, u32 param),
+        TP_ARGS(cmd, param)
+);
+
+DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd,
+        TP_PROTO(struct dwc3_ep *dep, unsigned int cmd,
+                struct dwc3_gadget_ep_cmd_params *params),
+        TP_ARGS(dep, cmd, params),
+        TP_STRUCT__entry(
+                __field(struct dwc3_ep *, dep)
+                __field(unsigned int, cmd)
+                __field(struct dwc3_gadget_ep_cmd_params *, params)
+        ),
+        TP_fast_assign(
+                __entry->dep = dep;
+                __entry->cmd = cmd;
+                __entry->params = params;
+        ),
+        TP_printk("%s: cmd '%s' [%d] params %08x %08x %08x\n",
+                __entry->dep->name, dwc3_gadget_ep_cmd_string(__entry->cmd),
+                __entry->cmd, __entry->params->param0,
+                __entry->params->param1, __entry->params->param2
+        )
+);
+
+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),
+        TP_ARGS(dep, cmd, params)
+);
+
+DECLARE_EVENT_CLASS(dwc3_log_trb,
+        TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb),
+        TP_ARGS(dep, trb),
+        TP_STRUCT__entry(
+                __field(struct dwc3_ep *, dep)
+                __field(struct dwc3_trb *, trb)
+        ),
+        TP_fast_assign(
+                __entry->dep = dep;
+                __entry->trb = trb;
+        ),
+        TP_printk("%s: trb %p bph %08x bpl %08x size %08x ctrl %08x\n",
+                __entry->dep->name, __entry->trb, __entry->trb->bph,
+                __entry->trb->bpl, __entry->trb->size, __entry->trb->ctrl
+        )
+);
+
+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>