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-rw-r--r--drivers/usb/chipidea/trace.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/trace.h b/drivers/usb/chipidea/trace.h
new file mode 100644
index 000000000..ca0e65b48
--- /dev/null
+++ b/drivers/usb/chipidea/trace.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Trace support header file for device mode
+ *
+ * Copyright (C) 2020 NXP
+ *
+ * Author: Peter Chen <peter.chen@nxp.com>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM chipidea
+
+#if !defined(__LINUX_CHIPIDEA_TRACE) || defined(TRACE_HEADER_MULTI_READ)
+#define __LINUX_CHIPIDEA_TRACE
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+#include <linux/usb/chipidea.h>
+#include "ci.h"
+#include "udc.h"
+
+#define CHIPIDEA_MSG_MAX 500
+
+void ci_log(struct ci_hdrc *ci, const char *fmt, ...);
+
+TRACE_EVENT(ci_log,
+ TP_PROTO(struct ci_hdrc *ci, struct va_format *vaf),
+ TP_ARGS(ci, vaf),
+ TP_STRUCT__entry(
+ __string(name, dev_name(ci->dev))
+ __vstring(msg, vaf->fmt, vaf->va)
+ ),
+ TP_fast_assign(
+ __assign_str(name, dev_name(ci->dev));
+ __assign_vstr(msg, vaf->fmt, vaf->va);
+ ),
+ TP_printk("%s: %s", __get_str(name), __get_str(msg))
+);
+
+DECLARE_EVENT_CLASS(ci_log_trb,
+ TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
+ TP_ARGS(hwep, hwreq, td),
+ TP_STRUCT__entry(
+ __string(name, hwep->name)
+ __field(struct td_node *, td)
+ __field(struct usb_request *, req)
+ __field(dma_addr_t, dma)
+ __field(s32, td_remaining_size)
+ __field(u32, next)
+ __field(u32, token)
+ __field(u32, type)
+ ),
+ TP_fast_assign(
+ __assign_str(name, hwep->name);
+ __entry->req = &hwreq->req;
+ __entry->td = td;
+ __entry->dma = td->dma;
+ __entry->td_remaining_size = td->td_remaining_size;
+ __entry->next = le32_to_cpu(td->ptr->next);
+ __entry->token = le32_to_cpu(td->ptr->token);
+ __entry->type = usb_endpoint_type(hwep->ep.desc);
+ ),
+ TP_printk("%s: req: %p, td: %p, td_dma_address: %pad, remaining_size: %d, "
+ "next: %x, total bytes: %d, status: %lx",
+ __get_str(name), __entry->req, __entry->td, &__entry->dma,
+ __entry->td_remaining_size, __entry->next,
+ (int)((__entry->token & TD_TOTAL_BYTES) >> __ffs(TD_TOTAL_BYTES)),
+ __entry->token & TD_STATUS
+ )
+);
+
+DEFINE_EVENT(ci_log_trb, ci_prepare_td,
+ TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
+ TP_ARGS(hwep, hwreq, td)
+);
+
+DEFINE_EVENT(ci_log_trb, ci_complete_td,
+ TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
+ TP_ARGS(hwep, hwreq, td)
+);
+
+#endif /* __LINUX_CHIPIDEA_TRACE */
+
+/* this part must be outside header guard */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+#include <trace/define_trace.h>