instrumentation/events/lttng-module/9p.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM 9p
   4
   5 #if !defined(LTTNG_TRACE_9P_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_9P_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9 #include <linux/version.h>
  10
  11 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
  12 LTTNG_TRACEPOINT_EVENT(9p_client_req,
  13
  14         TP_PROTO(struct p9_client *clnt, int8_t type, int tag),
  15
  16         TP_ARGS(clnt, type, tag),
  17
  18         TP_FIELDS(
  19                 ctf_integer_hex(void *, clnt, clnt)
  20                 ctf_integer(u8, type, type)
  21                 ctf_integer(u32, tag, tag)
  22         )
  23 )
  24
  25 LTTNG_TRACEPOINT_EVENT(9p_client_res,
  26
  27         TP_PROTO(struct p9_client *clnt, int8_t type, int tag, int err),
  28
  29         TP_ARGS(clnt, type, tag, err),
  30
  31         TP_FIELDS(
  32                 ctf_integer_hex(void *, clnt, clnt)
  33                 ctf_integer(u8, type, type)
  34                 ctf_integer(u32, tag, tag)
  35                 ctf_integer(u32, err, err)
  36         )
  37 )
  38
  39 LTTNG_TRACEPOINT_EVENT(9p_protocol_dump,
  40
  41         TP_PROTO(struct p9_client *clnt, struct p9_fcall *pdu),
  42
  43         TP_ARGS(clnt, pdu),
  44
  45         TP_FIELDS(
  46                 ctf_integer_hex(void *, clnt, clnt)
  47                 ctf_integer(u8, type, pdu->id)
  48                 ctf_integer(u16, tag, pdu->tag)
  49                 ctf_array(unsigned char, line, pdu->sdata, P9_PROTO_DUMP_SZ)
  50         )
  51 )
  52 #endif
  53
  54 #endif /* LTTNG_TRACE_9P_H */
  55
  56 /* This part must be outside protection */
  57 #include <probes/define_trace.h>