Quelle  nbd.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM nbd

#if !defined(_TRACE_NBD_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NBD_H

#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(nbd_transport_event,

 TP_PROTO(struct request *req, u64 handle),

 TP_ARGS(req, handle),

 TP_STRUCT__entry(
  __field(struct request *, req)
  __field(u64, handle)
 ),

 TP_fast_assign(
  __entry->req = req;
  __entry->handle = handle;
 ),

 TP_printk(
  "nbd transport event: request %p, handle 0x%016llx",
  __entry->req,
  __entry->handle
 )
);

DEFINE_EVENT(nbd_transport_event, nbd_header_sent,

 TP_PROTO(struct request *req, u64 handle),

 TP_ARGS(req, handle)
);

DEFINE_EVENT(nbd_transport_event, nbd_payload_sent,

 TP_PROTO(struct request *req, u64 handle),

 TP_ARGS(req, handle)
);

DEFINE_EVENT(nbd_transport_event, nbd_header_received,

 TP_PROTO(struct request *req, u64 handle),

 TP_ARGS(req, handle)
);

DEFINE_EVENT(nbd_transport_event, nbd_payload_received,

 TP_PROTO(struct request *req, u64 handle),

 TP_ARGS(req, handle)
);

DECLARE_EVENT_CLASS(nbd_send_request,

 TP_PROTO(struct nbd_request *nbd_request, int index,
   struct request *rq),

 TP_ARGS(nbd_request, index, rq),

 TP_STRUCT__entry(
  __field(struct nbd_request *, nbd_request)
  __field(u64, dev_index)
  __field(struct request *, request)
 ),

 TP_fast_assign(
  __entry->nbd_request = NULL;
  __entry->dev_index = index;
  __entry->request = rq;
 ),

 TP_printk("nbd%lld: request %p", __entry->dev_index, __entry->request)
);

#ifdef DEFINE_EVENT_WRITABLE
#undef NBD_DEFINE_EVENT
#define NBD_DEFINE_EVENT(template, call, proto, args, size)  \
 DEFINE_EVENT_WRITABLE(template, call, PARAMS(proto),  \
         PARAMS(args), size)
#else
#undef NBD_DEFINE_EVENT
#define NBD_DEFINE_EVENT(template, call, proto, args, size)  \
 DEFINE_EVENT(template, call, PARAMS(proto), PARAMS(args))
#endif

NBD_DEFINE_EVENT(nbd_send_request, nbd_send_request,

 TP_PROTO(struct nbd_request *nbd_request, int index,
   struct request *rq),

 TP_ARGS(nbd_request, index, rq),

 sizeof(struct nbd_request)
);

#endif

/* This part must be outside protection */
#include <trace/define_trace.h>