LXR linux/drivers/s390/cio/vfio_ccw

   1/* SPDX-License-Identifier: GPL-2.0
   2 * Tracepoints for vfio_ccw driver
   3 *
   4 * Copyright IBM Corp. 2018
   5 *
   6 * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
   7 *            Halil Pasic <pasic@linux.vnet.ibm.com>
   8 */
   9
  10#undef TRACE_SYSTEM
  11#define TRACE_SYSTEM vfio_ccw
  12
  13#if !defined(_VFIO_CCW_TRACE_) || defined(TRACE_HEADER_MULTI_READ)
  14#define _VFIO_CCW_TRACE_
  15
  16#include <linux/tracepoint.h>
  17
  18TRACE_EVENT(vfio_ccw_io_fctl,
  19        TP_PROTO(int fctl, struct subchannel_id schid, int errno, char *errstr),
  20        TP_ARGS(fctl, schid, errno, errstr),
  21
  22        TP_STRUCT__entry(
  23                __field(int, fctl)
  24                __field_struct(struct subchannel_id, schid)
  25                __field(int, errno)
  26                __field(char*, errstr)
  27        ),
  28
  29        TP_fast_assign(
  30                __entry->fctl = fctl;
  31                __entry->schid = schid;
  32                __entry->errno = errno;
  33                __entry->errstr = errstr;
  34        ),
  35
  36        TP_printk("schid=%x.%x.%04x fctl=%x errno=%d info=%s",
  37                  __entry->schid.cssid,
  38                  __entry->schid.ssid,
  39                  __entry->schid.sch_no,
  40                  __entry->fctl,
  41                  __entry->errno,
  42                  __entry->errstr)
  43);
  44
  45#endif /* _VFIO_CCW_TRACE_ */
  46
  47/* This part must be outside protection */
  48
  49#undef TRACE_INCLUDE_PATH
  50#define TRACE_INCLUDE_PATH .
  51#undef TRACE_INCLUDE_FILE
  52#define TRACE_INCLUDE_FILE vfio_ccw_trace
  53
  54#include <trace/define_trace.h>
  55