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 };
  48
  49 #define BPF_MAP_CREATE_struct_size \
  50         sizeof(struct BPF_MAP_CREATE_struct)
  51 #define expected_BPF_MAP_CREATE_struct_size 28
  52
  53 struct BPF_MAP_LOOKUP_ELEM_struct {
  54         uint32_t map_fd;
  55         uint64_t ATTRIBUTE_ALIGNED(8) key;
  56         uint64_t ATTRIBUTE_ALIGNED(8) value;
  57 };
  58
  59 #define BPF_MAP_LOOKUP_ELEM_struct_size \
  60         sizeof(struct BPF_MAP_LOOKUP_ELEM_struct)
  61 #define expected_BPF_MAP_LOOKUP_ELEM_struct_size 24
  62
  63 struct BPF_MAP_UPDATE_ELEM_struct {
  64         uint32_t map_fd;
  65         uint64_t ATTRIBUTE_ALIGNED(8) key;
  66         uint64_t ATTRIBUTE_ALIGNED(8) value;
  67         uint64_t flags;
  68 };
  69
  70 #define BPF_MAP_UPDATE_ELEM_struct_size \
  71         sizeof(struct BPF_MAP_UPDATE_ELEM_struct)
  72 #define expected_BPF_MAP_UPDATE_ELEM_struct_size 32
  73
  74 struct BPF_MAP_DELETE_ELEM_struct {
  75         uint32_t map_fd;
  76         uint64_t ATTRIBUTE_ALIGNED(8) key;
  77 };
  78
  79 #define BPF_MAP_DELETE_ELEM_struct_size \
  80         sizeof(struct BPF_MAP_DELETE_ELEM_struct)
  81 #define expected_BPF_MAP_DELETE_ELEM_struct_size 16
  82
  83 struct BPF_MAP_GET_NEXT_KEY_struct {
  84         uint32_t map_fd;
  85         uint64_t ATTRIBUTE_ALIGNED(8) key;
  86         uint64_t ATTRIBUTE_ALIGNED(8) next_key;
  87 };
  88
  89 #define BPF_MAP_GET_NEXT_KEY_struct_size \
  90         sizeof(struct BPF_MAP_GET_NEXT_KEY_struct)
  91 #define expected_BPF_MAP_GET_NEXT_KEY_struct_size 24
  92
  93 struct BPF_PROG_LOAD_struct {
  94         uint32_t prog_type;
  95         uint32_t insn_cnt;
  96         uint64_t ATTRIBUTE_ALIGNED(8) insns;
  97         uint64_t ATTRIBUTE_ALIGNED(8) license;
  98         uint32_t log_level;
  99         uint32_t log_size;
 100         uint64_t ATTRIBUTE_ALIGNED(8) log_buf;
 101         uint32_t kern_version;
 102         uint32_t prog_flags;
 103         char     prog_name[BPF_OBJ_NAME_LEN];
 104         uint32_t prog_ifindex;
 105 };
 106
 107 #define BPF_PROG_LOAD_struct_size \
 108         offsetofend(struct BPF_PROG_LOAD_struct, prog_ifindex)
 109 #define expected_BPF_PROG_LOAD_struct_size 68
 110
 111 struct BPF_OBJ_PIN_struct {
 112         uint64_t ATTRIBUTE_ALIGNED(8) pathname;
 113         uint32_t bpf_fd;
 114         uint32_t file_flags;
 115 };
 116
 117 #define BPF_OBJ_PIN_struct_size \
 118         sizeof(struct BPF_OBJ_PIN_struct)
 119 #define expected_BPF_OBJ_PIN_struct_size 16
 120
 121 #define BPF_OBJ_GET_struct BPF_OBJ_PIN_struct
 122 #define BPF_OBJ_GET_struct_size BPF_OBJ_PIN_struct_size
 123
 124 struct BPF_PROG_ATTACH_struct {
 125         uint32_t target_fd;
 126         uint32_t attach_bpf_fd;
 127         uint32_t attach_type;
 128         uint32_t attach_flags;
 129 };
 130
 131 #define BPF_PROG_ATTACH_struct_size \
 132         sizeof(struct BPF_PROG_ATTACH_struct)
 133 #define expected_BPF_PROG_ATTACH_struct_size 16
 134
 135 struct BPF_PROG_DETACH_struct {
 136         uint32_t target_fd;
 137         uint32_t dummy;
 138         uint32_t attach_type;
 139 };
 140
 141 #define BPF_PROG_DETACH_struct_size \
 142         sizeof(struct BPF_PROG_DETACH_struct)
 143 #define expected_BPF_PROG_DETACH_struct_size 12
 144
 145 struct BPF_PROG_TEST_RUN_struct /* test */ {
 146         uint32_t prog_fd;
 147         uint32_t retval;
 148         uint32_t data_size_in;
 149         uint32_t data_size_out;
 150         uint64_t ATTRIBUTE_ALIGNED(8) data_in;
 151         uint64_t ATTRIBUTE_ALIGNED(8) data_out;
 152         uint32_t repeat;
 153         uint32_t duration;
 154 };
 155
 156 #define BPF_PROG_TEST_RUN_struct_size \
 157         sizeof(struct BPF_PROG_TEST_RUN_struct)
 158 #define expected_BPF_PROG_TEST_RUN_struct_size 40
 159
 160 struct BPF_PROG_GET_NEXT_ID_struct {
 161         uint32_t start_id;
 162         uint32_t next_id;
 163         uint32_t open_flags;
 164 };
 165
 166 #define BPF_PROG_GET_NEXT_ID_struct_size \
 167         sizeof(struct BPF_PROG_GET_NEXT_ID_struct)
 168 #define expected_BPF_PROG_GET_NEXT_ID_struct_size 12
 169
 170 #define BPF_MAP_GET_NEXT_ID_struct BPF_PROG_GET_NEXT_ID_struct
 171 #define BPF_MAP_GET_NEXT_ID_struct_size BPF_PROG_GET_NEXT_ID_struct_size
 172
 173 struct BPF_PROG_GET_FD_BY_ID_struct {
 174         uint32_t prog_id;
 175         uint32_t next_id;
 176         uint32_t open_flags;
 177 };
 178
 179 #define BPF_PROG_GET_FD_BY_ID_struct_size \
 180         sizeof(struct BPF_PROG_GET_FD_BY_ID_struct)
 181 #define expected_BPF_PROG_GET_FD_BY_ID_struct_size 12
 182
 183 struct BPF_MAP_GET_FD_BY_ID_struct {
 184         uint32_t map_id;
 185         uint32_t next_id;
 186         uint32_t open_flags;
 187 };
 188
 189 #define BPF_MAP_GET_FD_BY_ID_struct_size \
 190         sizeof(struct BPF_MAP_GET_FD_BY_ID_struct)
 191 #define expected_BPF_MAP_GET_FD_BY_ID_struct_size 12
 192
 193 struct BPF_OBJ_GET_INFO_BY_FD_struct /* info */ {
 194         uint32_t bpf_fd;
 195         uint32_t info_len;
 196         uint64_t ATTRIBUTE_ALIGNED(8) info;
 197 };
 198
 199 #define BPF_OBJ_GET_INFO_BY_FD_struct_size \
 200         sizeof(struct BPF_OBJ_GET_INFO_BY_FD_struct)
 201 #define expected_BPF_OBJ_GET_INFO_BY_FD_struct_size 16
 202
 203 #endif /* !STRACE_BPF_ATTR_H */