Release 4.7 drivers/usb/host/xhci-trace.h

/*
 * xHCI host controller driver
 *
 * Copyright (C) 2013 Xenia Ragiadakou
 *
 * Author: Xenia Ragiadakou
 * Email : burzalodowa@gmail.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 as
 * published by the Free Software Foundation.
 */


#undef TRACE_SYSTEM

#define TRACE_SYSTEM xhci-hcd

/*
 * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
 * legitimate C variable. It is not exported to user space.
 */

#undef TRACE_SYSTEM_VAR

#define TRACE_SYSTEM_VAR xhci_hcd

#if !defined(__XHCI_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)

#define __XHCI_TRACE_H

#include <linux/tracepoint.h>
#include "xhci.h"


#define XHCI_MSG_MAX	500

DECLARE_EVENT_CLASS(xhci_log_msg,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf),
	TP_STRUCT__entry(__dynamic_array(char, msg, XHCI_MSG_MAX)),
	TP_fast_assign(
                vsnprintf(__get_str(msg), XHCI_MSG_MAX, vaf->fmt, *vaf->va);
        ),
	TP_printk("%s", __get_str(msg))
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_address,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_context_change,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_quirks,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_reset_ep,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_cancel_urb,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_init,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DEFINE_EVENT(xhci_log_msg, xhci_dbg_ring_expansion,
	TP_PROTO(struct va_format *vaf),
	TP_ARGS(vaf)
);

DECLARE_EVENT_CLASS(xhci_log_ctx,
	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
                 unsigned int ep_num),
	TP_ARGS(xhci, ctx, ep_num),
	TP_STRUCT__entry(
                __field(int, ctx_64)
                __field(unsigned, ctx_type)
                __field(dma_addr_t, ctx_dma)
                __field(u8 *, ctx_va)
                __field(unsigned, ctx_ep_num)
                __field(int, slot_id)
                __dynamic_array(u32, ctx_data,
                        ((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 8) *
                        ((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1))
        ),
	TP_fast_assign(
                struct usb_device *udev;

                udev = to_usb_device(xhci_to_hcd(xhci)->self.controller);
                __entry->ctx_64 = HCC_64BYTE_CONTEXT(xhci->hcc_params);
                __entry->ctx_type = ctx->type;
                __entry->ctx_dma = ctx->dma;
                __entry->ctx_va = ctx->bytes;
                __entry->slot_id = udev->slot_id;
                __entry->ctx_ep_num = ep_num;
                memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
                        ((HCC_64BYTE_CONTEXT(xhci->hcc_params) + 1) * 32) *
                        ((ctx->type == XHCI_CTX_TYPE_INPUT) + ep_num + 1));
        ),
	TP_printk("\nctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
                        __entry->ctx_64, __entry->ctx_type,
                        (unsigned long long) __entry->ctx_dma, __entry->ctx_va
        )
);

DEFINE_EVENT(xhci_log_ctx, xhci_address_ctx,
	TP_PROTO(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
		 unsigned int ep_num),
	TP_ARGS(xhci, ctx, ep_num)
);

DECLARE_EVENT_CLASS(xhci_log_event,
	TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
	TP_ARGS(trb_va, ev),
	TP_STRUCT__entry(
                __field(void *, va)
                __field(u64, dma)
                __field(u32, status)
                __field(u32, flags)
                __dynamic_array(u8, trb, sizeof(struct xhci_generic_trb))
        ),
	TP_fast_assign(
                __entry->va = trb_va;
                __entry->dma = ((u64)le32_to_cpu(ev->field[1])) << 32 |
                                        le32_to_cpu(ev->field[0]);
                __entry->status = le32_to_cpu(ev->field[2]);
                __entry->flags = le32_to_cpu(ev->field[3]);
                memcpy(__get_dynamic_array(trb), trb_va,
                        sizeof(struct xhci_generic_trb));
        ),
	TP_printk("\ntrb_dma=@%llx, trb_va=@%p, status=%08x, flags=%08x",
                        (unsigned long long) __entry->dma, __entry->va,
                        __entry->status, __entry->flags
        )
);

DEFINE_EVENT(xhci_log_event, xhci_cmd_completion,
	TP_PROTO(void *trb_va, struct xhci_generic_trb *ev),
	TP_ARGS(trb_va, ev)
);

#endif /* __XHCI_TRACE_H */

/* this part must be outside header guard */


#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .


#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_FILE xhci-trace

#include <trace/define_trace.h>
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Directory: drivers/usb/host

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