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 #ifndef BPF_TAG_SIZE
  40 # define BPF_TAG_SIZE 8
  41 #else
  42 # if BPF_TAG_SIZE != 8
  43 #  error "Unexpected value of BPF_TAG_SIZE"
  44 # endif
  45 #endif
  46
  47 struct BPF_MAP_CREATE_struct {
  48         uint32_t map_type;
  49         uint32_t key_size;
  50         uint32_t value_size;
  51         uint32_t max_entries;
  52         uint32_t map_flags;
  53         uint32_t inner_map_fd;
  54         uint32_t numa_node;
  55         char     map_name[BPF_OBJ_NAME_LEN];
  56         uint32_t map_ifindex;
  57 };
  58
  59 #define BPF_MAP_CREATE_struct_size \
  60         sizeof(struct BPF_MAP_CREATE_struct)
  61 #define expected_BPF_MAP_CREATE_struct_size 48
  62
  63 struct BPF_MAP_LOOKUP_ELEM_struct {
  64         uint32_t map_fd;
  65         uint64_t ATTRIBUTE_ALIGNED(8) key;
  66         uint64_t ATTRIBUTE_ALIGNED(8) value;
  67 };
  68
  69 #define BPF_MAP_LOOKUP_ELEM_struct_size \
  70         sizeof(struct BPF_MAP_LOOKUP_ELEM_struct)
  71 #define expected_BPF_MAP_LOOKUP_ELEM_struct_size 24
  72
  73 struct BPF_MAP_UPDATE_ELEM_struct {
  74         uint32_t map_fd;
  75         uint64_t ATTRIBUTE_ALIGNED(8) key;
  76         uint64_t ATTRIBUTE_ALIGNED(8) value;
  77         uint64_t flags;
  78 };
  79
  80 #define BPF_MAP_UPDATE_ELEM_struct_size \
  81         sizeof(struct BPF_MAP_UPDATE_ELEM_struct)
  82 #define expected_BPF_MAP_UPDATE_ELEM_struct_size 32
  83
  84 struct BPF_MAP_DELETE_ELEM_struct {
  85         uint32_t map_fd;
  86         uint64_t ATTRIBUTE_ALIGNED(8) key;
  87 };
  88
  89 #define BPF_MAP_DELETE_ELEM_struct_size \
  90         sizeof(struct BPF_MAP_DELETE_ELEM_struct)
  91 #define expected_BPF_MAP_DELETE_ELEM_struct_size 16
  92
  93 struct BPF_MAP_GET_NEXT_KEY_struct {
  94         uint32_t map_fd;
  95         uint64_t ATTRIBUTE_ALIGNED(8) key;
  96         uint64_t ATTRIBUTE_ALIGNED(8) next_key;
  97 };
  98
  99 #define BPF_MAP_GET_NEXT_KEY_struct_size \
 100         sizeof(struct BPF_MAP_GET_NEXT_KEY_struct)
 101 #define expected_BPF_MAP_GET_NEXT_KEY_struct_size 24
 102
 103 struct BPF_PROG_LOAD_struct {
 104         uint32_t prog_type;
 105         uint32_t insn_cnt;
 106         uint64_t ATTRIBUTE_ALIGNED(8) insns;
 107         uint64_t ATTRIBUTE_ALIGNED(8) license;
 108         uint32_t log_level;
 109         uint32_t log_size;
 110         uint64_t ATTRIBUTE_ALIGNED(8) log_buf;
 111         uint32_t kern_version;
 112         uint32_t prog_flags;
 113         char     prog_name[BPF_OBJ_NAME_LEN];
 114         uint32_t prog_ifindex;
 115         uint32_t expected_attach_type;
 116 };
 117
 118 #define BPF_PROG_LOAD_struct_size \
 119         offsetofend(struct BPF_PROG_LOAD_struct, expected_attach_type)
 120 #define expected_BPF_PROG_LOAD_struct_size 72
 121
 122 struct BPF_OBJ_PIN_struct {
 123         uint64_t ATTRIBUTE_ALIGNED(8) pathname;
 124         uint32_t bpf_fd;
 125         uint32_t file_flags;
 126 };
 127
 128 #define BPF_OBJ_PIN_struct_size \
 129         sizeof(struct BPF_OBJ_PIN_struct)
 130 #define expected_BPF_OBJ_PIN_struct_size 16
 131
 132 #define BPF_OBJ_GET_struct BPF_OBJ_PIN_struct
 133 #define BPF_OBJ_GET_struct_size BPF_OBJ_PIN_struct_size
 134
 135 struct BPF_PROG_ATTACH_struct {
 136         uint32_t target_fd;
 137         uint32_t attach_bpf_fd;
 138         uint32_t attach_type;
 139         uint32_t attach_flags;
 140 };
 141
 142 #define BPF_PROG_ATTACH_struct_size \
 143         sizeof(struct BPF_PROG_ATTACH_struct)
 144 #define expected_BPF_PROG_ATTACH_struct_size 16
 145
 146 struct BPF_PROG_DETACH_struct {
 147         uint32_t target_fd;
 148         uint32_t dummy;
 149         uint32_t attach_type;
 150 };
 151
 152 #define BPF_PROG_DETACH_struct_size \
 153         sizeof(struct BPF_PROG_DETACH_struct)
 154 #define expected_BPF_PROG_DETACH_struct_size 12
 155
 156 struct BPF_PROG_TEST_RUN_struct /* test */ {
 157         uint32_t prog_fd;
 158         uint32_t retval;
 159         uint32_t data_size_in;
 160         uint32_t data_size_out;
 161         uint64_t ATTRIBUTE_ALIGNED(8) data_in;
 162         uint64_t ATTRIBUTE_ALIGNED(8) data_out;
 163         uint32_t repeat;
 164         uint32_t duration;
 165 };
 166
 167 #define BPF_PROG_TEST_RUN_struct_size \
 168         sizeof(struct BPF_PROG_TEST_RUN_struct)
 169 #define expected_BPF_PROG_TEST_RUN_struct_size 40
 170
 171 struct BPF_PROG_GET_NEXT_ID_struct {
 172         uint32_t start_id;
 173         uint32_t next_id;
 174         uint32_t open_flags;
 175 };
 176
 177 #define BPF_PROG_GET_NEXT_ID_struct_size \
 178         sizeof(struct BPF_PROG_GET_NEXT_ID_struct)
 179 #define expected_BPF_PROG_GET_NEXT_ID_struct_size 12
 180
 181 #define BPF_MAP_GET_NEXT_ID_struct BPF_PROG_GET_NEXT_ID_struct
 182 #define BPF_MAP_GET_NEXT_ID_struct_size BPF_PROG_GET_NEXT_ID_struct_size
 183
 184 struct BPF_PROG_GET_FD_BY_ID_struct {
 185         uint32_t prog_id;
 186         uint32_t next_id;
 187         uint32_t open_flags;
 188 };
 189
 190 #define BPF_PROG_GET_FD_BY_ID_struct_size \
 191         sizeof(struct BPF_PROG_GET_FD_BY_ID_struct)
 192 #define expected_BPF_PROG_GET_FD_BY_ID_struct_size 12
 193
 194 struct BPF_MAP_GET_FD_BY_ID_struct {
 195         uint32_t map_id;
 196         uint32_t next_id;
 197         uint32_t open_flags;
 198 };
 199
 200 #define BPF_MAP_GET_FD_BY_ID_struct_size \
 201         sizeof(struct BPF_MAP_GET_FD_BY_ID_struct)
 202 #define expected_BPF_MAP_GET_FD_BY_ID_struct_size 12
 203
 204 struct BPF_OBJ_GET_INFO_BY_FD_struct /* info */ {
 205         uint32_t bpf_fd;
 206         uint32_t info_len;
 207         uint64_t ATTRIBUTE_ALIGNED(8) info;
 208 };
 209
 210 #define BPF_OBJ_GET_INFO_BY_FD_struct_size \
 211         sizeof(struct BPF_OBJ_GET_INFO_BY_FD_struct)
 212 #define expected_BPF_OBJ_GET_INFO_BY_FD_struct_size 16
 213
 214 struct BPF_PROG_QUERY_struct /* query */ {
 215         uint32_t target_fd;
 216         uint32_t attach_type;
 217         uint32_t query_flags;
 218         uint32_t attach_flags;
 219         uint64_t ATTRIBUTE_ALIGNED(8) prog_ids;
 220         uint32_t prog_cnt;
 221 };
 222
 223 #define BPF_PROG_QUERY_struct_size \
 224         offsetofend(struct BPF_PROG_QUERY_struct, prog_cnt)
 225 #define expected_BPF_PROG_QUERY_struct_size 28
 226
 227 struct BPF_RAW_TRACEPOINT_OPEN_struct /* raw_tracepoint */ {
 228         uint64_t ATTRIBUTE_ALIGNED(8) name;
 229         uint32_t prog_fd;
 230 };
 231
 232 #define BPF_RAW_TRACEPOINT_OPEN_struct_size \
 233         offsetofend(struct BPF_RAW_TRACEPOINT_OPEN_struct, prog_fd)
 234 #define expected_BPF_RAW_TRACEPOINT_OPEN_struct_size 12
 235
 236 struct bpf_map_info_struct {
 237         uint32_t type;
 238         uint32_t id;
 239         uint32_t key_size;
 240         uint32_t value_size;
 241         uint32_t max_entries;
 242         uint32_t map_flags;
 243         char     name[BPF_OBJ_NAME_LEN];
 244         uint32_t ifindex;
 245         uint64_t ATTRIBUTE_ALIGNED(8) netns_dev; /* kernel UAPI is buggy, skip check */
 246         uint64_t ATTRIBUTE_ALIGNED(8) netns_ino; /* kernel UAPI is buggy, skip check */
 247 };
 248
 249 #define bpf_map_info_struct_size \
 250         sizeof(struct bpf_map_info_struct)
 251 #define expected_bpf_map_info_struct_size 64
 252
 253 struct bpf_prog_info_struct {
 254         uint32_t type;
 255         uint32_t id;
 256         uint8_t  tag[BPF_TAG_SIZE];
 257         uint32_t jited_prog_len;
 258         uint32_t xlated_prog_len;
 259         uint64_t ATTRIBUTE_ALIGNED(8) jited_prog_insns;
 260         uint64_t ATTRIBUTE_ALIGNED(8) xlated_prog_insns;
 261         uint64_t load_time;
 262         uint32_t created_by_uid;
 263         uint32_t nr_map_ids;
 264         uint64_t ATTRIBUTE_ALIGNED(8) map_ids;
 265         char     name[BPF_OBJ_NAME_LEN];
 266         uint32_t ifindex;
 267         uint64_t ATTRIBUTE_ALIGNED(8) netns_dev; /* kernel UAPI is buggy, skip check */
 268         uint64_t ATTRIBUTE_ALIGNED(8) netns_ino; /* kernel UAPI is buggy, skip check */
 269 };
 270
 271 #define bpf_prog_info_struct_size \
 272         sizeof(struct bpf_prog_info_struct)
 273 #define expected_bpf_prog_info_struct_size 104
 274
 275 #endif /* !STRACE_BPF_ATTR_H */