drivers/infiniband/hw/hfi1/trace_ibhdrs.h

   1 /*
   2  * Copyright(c) 2015, 2016 Intel Corporation.
   3  *
   4  * This file is provided under a dual BSD/GPLv2 license.  When using or
   5  * redistributing this file, you may do so under either license.
   6  *
   7  * GPL LICENSE SUMMARY
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of version 2 of the GNU General Public License as
  11  * published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * BSD LICENSE
  19  *
  20  * Redistribution and use in source and binary forms, with or without
  21  * modification, are permitted provided that the following conditions
  22  * are met:
  23  *
  24  *  - Redistributions of source code must retain the above copyright
  25  *    notice, this list of conditions and the following disclaimer.
  26  *  - Redistributions in binary form must reproduce the above copyright
  27  *    notice, this list of conditions and the following disclaimer in
  28  *    the documentation and/or other materials provided with the
  29  *    distribution.
  30  *  - Neither the name of Intel Corporation nor the names of its
  31  *    contributors may be used to endorse or promote products derived
  32  *    from this software without specific prior written permission.
  33  *
  34  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  35  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  36  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  37  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  38  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  39  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  40  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  41  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  42  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  43  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  44  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  45  *
  46  */
  47 #if !defined(__HFI1_TRACE_IBHDRS_H) || defined(TRACE_HEADER_MULTI_READ)
  48 #define __HFI1_TRACE_IBHDRS_H
  49
  50 #include <linux/tracepoint.h>
  51 #include <linux/trace_seq.h>
  52
  53 #include "hfi.h"
  54
  55 #undef TRACE_SYSTEM
  56 #define TRACE_SYSTEM hfi1_ibhdrs
  57
  58 u8 ibhdr_exhdr_len(struct hfi1_ib_header *hdr);
  59 const char *parse_everbs_hdrs(struct trace_seq *p, u8 opcode, void *ehdrs);
  60
  61 #define __parse_ib_ehdrs(op, ehdrs) parse_everbs_hdrs(p, op, ehdrs)
  62
  63 #define lrh_name(lrh) { HFI1_##lrh, #lrh }
  64 #define show_lnh(lrh)                    \
  65 __print_symbolic(lrh,                    \
  66         lrh_name(LRH_BTH),               \
  67         lrh_name(LRH_GRH))
  68
  69 #define LRH_PRN "vl %d lver %d sl %d lnh %d,%s dlid %.4x len %d slid %.4x"
  70 #define BTH_PRN \
  71         "op 0x%.2x,%s se %d m %d pad %d tver %d pkey 0x%.4x " \
  72         "f %d b %d qpn 0x%.6x a %d psn 0x%.8x"
  73 #define EHDR_PRN "%s"
  74
  75 DECLARE_EVENT_CLASS(hfi1_ibhdr_template,
  76                     TP_PROTO(struct hfi1_devdata *dd,
  77                              struct hfi1_ib_header *hdr),
  78                     TP_ARGS(dd, hdr),
  79                     TP_STRUCT__entry(
  80                         DD_DEV_ENTRY(dd)
  81                         /* LRH */
  82                         __field(u8, vl)
  83                         __field(u8, lver)
  84                         __field(u8, sl)
  85                         __field(u8, lnh)
  86                         __field(u16, dlid)
  87                         __field(u16, len)
  88                         __field(u16, slid)
  89                         /* BTH */
  90                         __field(u8, opcode)
  91                         __field(u8, se)
  92                         __field(u8, m)
  93                         __field(u8, pad)
  94                         __field(u8, tver)
  95                         __field(u16, pkey)
  96                         __field(u8, f)
  97                         __field(u8, b)
  98                         __field(u32, qpn)
  99                         __field(u8, a)
 100                         __field(u32, psn)
 101                         /* extended headers */
 102                         __dynamic_array(u8, ehdrs, ibhdr_exhdr_len(hdr))
 103                         ),
 104                       TP_fast_assign(
 105                         struct hfi1_other_headers *ohdr;
 106
 107                         DD_DEV_ASSIGN(dd);
 108                         /* LRH */
 109                         __entry->vl =
 110                         (u8)(be16_to_cpu(hdr->lrh[0]) >> 12);
 111                         __entry->lver =
 112                         (u8)(be16_to_cpu(hdr->lrh[0]) >> 8) & 0xf;
 113                         __entry->sl =
 114                         (u8)(be16_to_cpu(hdr->lrh[0]) >> 4) & 0xf;
 115                         __entry->lnh =
 116                         (u8)(be16_to_cpu(hdr->lrh[0]) & 3);
 117                         __entry->dlid =
 118                         be16_to_cpu(hdr->lrh[1]);
 119                         /* allow for larger len */
 120                         __entry->len =
 121                         be16_to_cpu(hdr->lrh[2]);
 122                         __entry->slid =
 123                         be16_to_cpu(hdr->lrh[3]);
 124                         /* BTH */
 125                         if (__entry->lnh == HFI1_LRH_BTH)
 126                         ohdr = &hdr->u.oth;
 127                         else
 128                         ohdr = &hdr->u.l.oth;
 129                         __entry->opcode =
 130                         (be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff;
 131                         __entry->se =
 132                         (be32_to_cpu(ohdr->bth[0]) >> 23) & 1;
 133                         __entry->m =
 134                         (be32_to_cpu(ohdr->bth[0]) >> 22) & 1;
 135                         __entry->pad =
 136                         (be32_to_cpu(ohdr->bth[0]) >> 20) & 3;
 137                         __entry->tver =
 138                         (be32_to_cpu(ohdr->bth[0]) >> 16) & 0xf;
 139                         __entry->pkey =
 140                         be32_to_cpu(ohdr->bth[0]) & 0xffff;
 141                         __entry->f =
 142                         (be32_to_cpu(ohdr->bth[1]) >> HFI1_FECN_SHIFT) &
 143                         HFI1_FECN_MASK;
 144                         __entry->b =
 145                         (be32_to_cpu(ohdr->bth[1]) >> HFI1_BECN_SHIFT) &
 146                         HFI1_BECN_MASK;
 147                         __entry->qpn =
 148                         be32_to_cpu(ohdr->bth[1]) & RVT_QPN_MASK;
 149                         __entry->a =
 150                         (be32_to_cpu(ohdr->bth[2]) >> 31) & 1;
 151                         /* allow for larger PSN */
 152                         __entry->psn =
 153                         be32_to_cpu(ohdr->bth[2]) & 0x7fffffff;
 154                         /* extended headers */
 155                         memcpy(__get_dynamic_array(ehdrs), &ohdr->u,
 156                                ibhdr_exhdr_len(hdr));
 157                         ),
 158                 TP_printk("[%s] " LRH_PRN " " BTH_PRN " " EHDR_PRN,
 159                           __get_str(dev),
 160                           /* LRH */
 161                           __entry->vl,
 162                           __entry->lver,
 163                           __entry->sl,
 164                           __entry->lnh, show_lnh(__entry->lnh),
 165                           __entry->dlid,
 166                           __entry->len,
 167                           __entry->slid,
 168                           /* BTH */
 169                           __entry->opcode, show_ib_opcode(__entry->opcode),
 170                           __entry->se,
 171                           __entry->m,
 172                           __entry->pad,
 173                           __entry->tver,
 174                           __entry->pkey,
 175                           __entry->f,
 176                           __entry->b,
 177                           __entry->qpn,
 178                           __entry->a,
 179                           __entry->psn,
 180                           /* extended headers */
 181                           __parse_ib_ehdrs(
 182                                 __entry->opcode,
 183                                 (void *)__get_dynamic_array(ehdrs))
 184                         )
 185 );
 186
 187 DEFINE_EVENT(hfi1_ibhdr_template, input_ibhdr,
 188              TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ib_header *hdr),
 189              TP_ARGS(dd, hdr));
 190
 191 DEFINE_EVENT(hfi1_ibhdr_template, pio_output_ibhdr,
 192              TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ib_header *hdr),
 193              TP_ARGS(dd, hdr));
 194
 195 DEFINE_EVENT(hfi1_ibhdr_template, ack_output_ibhdr,
 196              TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ib_header *hdr),
 197              TP_ARGS(dd, hdr));
 198
 199 DEFINE_EVENT(hfi1_ibhdr_template, sdma_output_ibhdr,
 200              TP_PROTO(struct hfi1_devdata *dd, struct hfi1_ib_header *hdr),
 201              TP_ARGS(dd, hdr));
 202
 203 #endif /* __HFI1_TRACE_IBHDRS_H */
 204
 205 #undef TRACE_INCLUDE_PATH
 206 #undef TRACE_INCLUDE_FILE
 207 #define TRACE_INCLUDE_PATH .
 208 #define TRACE_INCLUDE_FILE trace_ibhdrs
 209 #include <trace/define_trace.h>