drivers/s390/cio/vfio_ccw_trace.h

   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 #include "cio.h"
  11
  12 #undef TRACE_SYSTEM
  13 #define TRACE_SYSTEM vfio_ccw
  14
  15 #if !defined(_VFIO_CCW_TRACE_) || defined(TRACE_HEADER_MULTI_READ)
  16 #define _VFIO_CCW_TRACE_
  17
  18 #include <linux/tracepoint.h>
  19
  20 TRACE_EVENT(vfio_ccw_fsm_async_request,
  21         TP_PROTO(struct subchannel_id schid,
  22                  int command,
  23                  int errno),
  24         TP_ARGS(schid, command, errno),
  25
  26         TP_STRUCT__entry(
  27                 __field(u8, cssid)
  28                 __field(u8, ssid)
  29                 __field(u16, sch_no)
  30                 __field(int, command)
  31                 __field(int, errno)
  32         ),
  33
  34         TP_fast_assign(
  35                 __entry->cssid = schid.cssid;
  36                 __entry->ssid = schid.ssid;
  37                 __entry->sch_no = schid.sch_no;
  38                 __entry->command = command;
  39                 __entry->errno = errno;
  40         ),
  41
  42         TP_printk("schid=%x.%x.%04x command=0x%x errno=%d",
  43                   __entry->cssid,
  44                   __entry->ssid,
  45                   __entry->sch_no,
  46                   __entry->command,
  47                   __entry->errno)
  48 );
  49
  50 TRACE_EVENT(vfio_ccw_fsm_event,
  51         TP_PROTO(struct subchannel_id schid, int state, int event),
  52         TP_ARGS(schid, state, event),
  53
  54         TP_STRUCT__entry(
  55                 __field(u8, cssid)
  56                 __field(u8, ssid)
  57                 __field(u16, schno)
  58                 __field(int, state)
  59                 __field(int, event)
  60         ),
  61
  62         TP_fast_assign(
  63                 __entry->cssid = schid.cssid;
  64                 __entry->ssid = schid.ssid;
  65                 __entry->schno = schid.sch_no;
  66                 __entry->state = state;
  67                 __entry->event = event;
  68         ),
  69
  70         TP_printk("schid=%x.%x.%04x state=%d event=%d",
  71                 __entry->cssid, __entry->ssid, __entry->schno,
  72                 __entry->state,
  73                 __entry->event)
  74 );
  75
  76 TRACE_EVENT(vfio_ccw_fsm_io_request,
  77         TP_PROTO(int fctl, struct subchannel_id schid, int errno, char *errstr),
  78         TP_ARGS(fctl, schid, errno, errstr),
  79
  80         TP_STRUCT__entry(
  81                 __field(u8, cssid)
  82                 __field(u8, ssid)
  83                 __field(u16, sch_no)
  84                 __field(int, fctl)
  85                 __field(int, errno)
  86                 __field(char*, errstr)
  87         ),
  88
  89         TP_fast_assign(
  90                 __entry->cssid = schid.cssid;
  91                 __entry->ssid = schid.ssid;
  92                 __entry->sch_no = schid.sch_no;
  93                 __entry->fctl = fctl;
  94                 __entry->errno = errno;
  95                 __entry->errstr = errstr;
  96         ),
  97
  98         TP_printk("schid=%x.%x.%04x fctl=0x%x errno=%d info=%s",
  99                   __entry->cssid,
 100                   __entry->ssid,
 101                   __entry->sch_no,
 102                   __entry->fctl,
 103                   __entry->errno,
 104                   __entry->errstr)
 105 );
 106
 107 #endif /* _VFIO_CCW_TRACE_ */
 108
 109 /* This part must be outside protection */
 110
 111 #undef TRACE_INCLUDE_PATH
 112 #define TRACE_INCLUDE_PATH .
 113 #undef TRACE_INCLUDE_FILE
 114 #define TRACE_INCLUDE_FILE vfio_ccw_trace
 115
 116 #include <trace/define_trace.h>