granicus.if.org Git - strace/blob - bpf_attr.h

   1 /*
   2  * Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef STRACE_BPF_ATTR_H
  29 #define STRACE_BPF_ATTR_H
  30
  31 #ifndef BPF_OBJ_NAME_LEN
  32 # define BPF_OBJ_NAME_LEN 16U
  33 #else
  34 # if BPF_OBJ_NAME_LEN != 16U
  35 #  error "Unexpected value of BPF_OBJ_NAME_LEN"
  36 # endif
  37 #endif
  38
  39 struct BPF_MAP_CREATE_struct {
  40         uint32_t map_type;
  41         uint32_t key_size;
  42         uint32_t value_size;
  43         uint32_t max_entries;
  44         uint32_t map_flags;
  45         uint32_t inner_map_fd;
  46         uint32_t numa_node;
  47         char     map_name[BPF_OBJ_NAME_LEN];
  48         uint32_t map_ifindex;
  49 };
  50
  51 #define BPF_MAP_CREATE_struct_size \
  52         sizeof(struct BPF_MAP_CREATE_struct)
  53 #define expected_BPF_MAP_CREATE_struct_size 48
  54
  55 struct BPF_MAP_LOOKUP_ELEM_struct {
  56         uint32_t map_fd;
  57         uint64_t ATTRIBUTE_ALIGNED(8) key;
  58         uint64_t ATTRIBUTE_ALIGNED(8) value;
  59 };
  60
  61 #define BPF_MAP_LOOKUP_ELEM_struct_size \
  62         sizeof(struct BPF_MAP_LOOKUP_ELEM_struct)
  63 #define expected_BPF_MAP_LOOKUP_ELEM_struct_size 24
  64
  65 struct BPF_MAP_UPDATE_ELEM_struct {
  66         uint32_t map_fd;
  67         uint64_t ATTRIBUTE_ALIGNED(8) key;
  68         uint64_t ATTRIBUTE_ALIGNED(8) value;
  69         uint64_t flags;
  70 };
  71
  72 #define BPF_MAP_UPDATE_ELEM_struct_size \
  73         sizeof(struct BPF_MAP_UPDATE_ELEM_struct)
  74 #define expected_BPF_MAP_UPDATE_ELEM_struct_size 32
  75
  76 struct BPF_MAP_DELETE_ELEM_struct {
  77         uint32_t map_fd;
  78         uint64_t ATTRIBUTE_ALIGNED(8) key;
  79 };
  80
  81 #define BPF_MAP_DELETE_ELEM_struct_size \
  82         sizeof(struct BPF_MAP_DELETE_ELEM_struct)
  83 #define expected_BPF_MAP_DELETE_ELEM_struct_size 16
  84
  85 struct BPF_MAP_GET_NEXT_KEY_struct {
  86         uint32_t map_fd;
  87         uint64_t ATTRIBUTE_ALIGNED(8) key;
  88         uint64_t ATTRIBUTE_ALIGNED(8) next_key;
  89 };
  90
  91 #define BPF_MAP_GET_NEXT_KEY_struct_size \
  92         sizeof(struct BPF_MAP_GET_NEXT_KEY_struct)
  93 #define expected_BPF_MAP_GET_NEXT_KEY_struct_size 24
  94
  95 struct BPF_PROG_LOAD_struct {
  96         uint32_t prog_type;
  97         uint32_t insn_cnt;
  98         uint64_t ATTRIBUTE_ALIGNED(8) insns;
  99         uint64_t ATTRIBUTE_ALIGNED(8) license;
 100         uint32_t log_level;
 101         uint32_t log_size;
 102         uint64_t ATTRIBUTE_ALIGNED(8) log_buf;
 103         uint32_t kern_version;
 104         uint32_t prog_flags;
 105         char     prog_name[BPF_OBJ_NAME_LEN];
 106         uint32_t prog_ifindex;
 107         uint32_t expected_attach_type;
 108 };
 109
 110 #define BPF_PROG_LOAD_struct_size \
 111         offsetofend(struct BPF_PROG_LOAD_struct, expected_attach_type)
 112 #define expected_BPF_PROG_LOAD_struct_size 72
 113
 114 struct BPF_OBJ_PIN_struct {
 115         uint64_t ATTRIBUTE_ALIGNED(8) pathname;
 116         uint32_t bpf_fd;
 117         uint32_t file_flags;
 118 };
 119
 120 #define BPF_OBJ_PIN_struct_size \
 121         sizeof(struct BPF_OBJ_PIN_struct)
 122 #define expected_BPF_OBJ_PIN_struct_size 16
 123
 124 #define BPF_OBJ_GET_struct BPF_OBJ_PIN_struct
 125 #define BPF_OBJ_GET_struct_size BPF_OBJ_PIN_struct_size
 126
 127 struct BPF_PROG_ATTACH_struct {
 128         uint32_t target_fd;
 129         uint32_t attach_bpf_fd;
 130         uint32_t attach_type;
 131         uint32_t attach_flags;
 132 };
 133
 134 #define BPF_PROG_ATTACH_struct_size \
 135         sizeof(struct BPF_PROG_ATTACH_struct)
 136 #define expected_BPF_PROG_ATTACH_struct_size 16
 137
 138 struct BPF_PROG_DETACH_struct {
 139         uint32_t target_fd;
 140         uint32_t dummy;
 141         uint32_t attach_type;
 142 };
 143
 144 #define BPF_PROG_DETACH_struct_size \
 145         sizeof(struct BPF_PROG_DETACH_struct)
 146 #define expected_BPF_PROG_DETACH_struct_size 12
 147
 148 struct BPF_PROG_TEST_RUN_struct /* test */ {
 149         uint32_t prog_fd;
 150         uint32_t retval;
 151         uint32_t data_size_in;
 152         uint32_t data_size_out;
 153         uint64_t ATTRIBUTE_ALIGNED(8) data_in;
 154         uint64_t ATTRIBUTE_ALIGNED(8) data_out;
 155         uint32_t repeat;
 156         uint32_t duration;
 157 };
 158
 159 #define BPF_PROG_TEST_RUN_struct_size \
 160         sizeof(struct BPF_PROG_TEST_RUN_struct)
 161 #define expected_BPF_PROG_TEST_RUN_struct_size 40
 162
 163 struct BPF_PROG_GET_NEXT_ID_struct {
 164         uint32_t start_id;
 165         uint32_t next_id;
 166         uint32_t open_flags;
 167 };
 168
 169 #define BPF_PROG_GET_NEXT_ID_struct_size \
 170         sizeof(struct BPF_PROG_GET_NEXT_ID_struct)
 171 #define expected_BPF_PROG_GET_NEXT_ID_struct_size 12
 172
 173 #define BPF_MAP_GET_NEXT_ID_struct BPF_PROG_GET_NEXT_ID_struct
 174 #define BPF_MAP_GET_NEXT_ID_struct_size BPF_PROG_GET_NEXT_ID_struct_size
 175
 176 struct BPF_PROG_GET_FD_BY_ID_struct {
 177         uint32_t prog_id;
 178         uint32_t next_id;
 179         uint32_t open_flags;
 180 };
 181
 182 #define BPF_PROG_GET_FD_BY_ID_struct_size \
 183         sizeof(struct BPF_PROG_GET_FD_BY_ID_struct)
 184 #define expected_BPF_PROG_GET_FD_BY_ID_struct_size 12
 185
 186 struct BPF_MAP_GET_FD_BY_ID_struct {
 187         uint32_t map_id;
 188         uint32_t next_id;
 189         uint32_t open_flags;
 190 };
 191
 192 #define BPF_MAP_GET_FD_BY_ID_struct_size \
 193         sizeof(struct BPF_MAP_GET_FD_BY_ID_struct)
 194 #define expected_BPF_MAP_GET_FD_BY_ID_struct_size 12
 195
 196 struct BPF_OBJ_GET_INFO_BY_FD_struct /* info */ {
 197         uint32_t bpf_fd;
 198         uint32_t info_len;
 199         uint64_t ATTRIBUTE_ALIGNED(8) info;
 200 };
 201
 202 #define BPF_OBJ_GET_INFO_BY_FD_struct_size \
 203         sizeof(struct BPF_OBJ_GET_INFO_BY_FD_struct)
 204 #define expected_BPF_OBJ_GET_INFO_BY_FD_struct_size 16
 205
 206 struct BPF_PROG_QUERY_struct /* query */ {
 207         uint32_t target_fd;
 208         uint32_t attach_type;
 209         uint32_t query_flags;
 210         uint32_t attach_flags;
 211         uint64_t ATTRIBUTE_ALIGNED(8) prog_ids;
 212         uint32_t prog_cnt;
 213 };
 214
 215 #define BPF_PROG_QUERY_struct_size \
 216         offsetofend(struct BPF_PROG_QUERY_struct, prog_cnt)
 217 #define expected_BPF_PROG_QUERY_struct_size 28
 218
 219 struct BPF_RAW_TRACEPOINT_OPEN_struct /* raw_tracepoint */ {
 220         uint64_t ATTRIBUTE_ALIGNED(8) name;
 221         uint32_t prog_fd;
 222 };
 223
 224 #define BPF_RAW_TRACEPOINT_OPEN_struct_size \
 225         offsetofend(struct BPF_RAW_TRACEPOINT_OPEN_struct, prog_fd)
 226 #define expected_BPF_RAW_TRACEPOINT_OPEN_struct_size 12
 227
 228 #endif /* !STRACE_BPF_ATTR_H */