1 /*- 2 * Copyright (c) 2015 Dmitry Chagin <dchagin@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #ifndef _LINUX_MI_H_ 29 #define _LINUX_MI_H_ 30 31 /* 32 * Private Brandinfo flags 33 */ 34 #define LINUX_BI_FUTEX_REQUEUE 0x01000000 35 36 /* 37 * poll() 38 */ 39 #define LINUX_POLLIN 0x0001 40 #define LINUX_POLLPRI 0x0002 41 #define LINUX_POLLOUT 0x0004 42 #define LINUX_POLLERR 0x0008 43 #define LINUX_POLLHUP 0x0010 44 #define LINUX_POLLNVAL 0x0020 45 #define LINUX_POLLRDNORM 0x0040 46 #define LINUX_POLLRDBAND 0x0080 47 #define LINUX_POLLWRNORM 0x0100 48 #define LINUX_POLLWRBAND 0x0200 49 #define LINUX_POLLMSG 0x0400 50 #define LINUX_POLLREMOVE 0x1000 51 #define LINUX_POLLRDHUP 0x2000 52 53 #define LINUX_IFHWADDRLEN 6 54 #define LINUX_IFNAMSIZ 16 55 56 struct l_sockaddr { 57 unsigned short sa_family; 58 char sa_data[14]; 59 }; 60 61 #define LINUX_ARPHRD_ETHER 1 62 #define LINUX_ARPHRD_LOOPBACK 772 63 64 /* 65 * Supported address families 66 */ 67 #define LINUX_AF_UNSPEC 0 68 #define LINUX_AF_UNIX 1 69 #define LINUX_AF_INET 2 70 #define LINUX_AF_AX25 3 71 #define LINUX_AF_IPX 4 72 #define LINUX_AF_APPLETALK 5 73 #define LINUX_AF_INET6 10 74 #define LINUX_AF_NETLINK 16 75 76 #define LINUX_NETLINK_ROUTE 0 77 #define LINUX_NETLINK_SOCK_DIAG 4 78 #define LINUX_NETLINK_NFLOG 5 79 #define LINUX_NETLINK_SELINUX 7 80 #define LINUX_NETLINK_AUDIT 9 81 #define LINUX_NETLINK_FIB_LOOKUP 10 82 #define LINUX_NETLINK_NETFILTER 12 83 #define LINUX_NETLINK_KOBJECT_UEVENT 15 84 85 /* 86 * net device flags 87 */ 88 #define LINUX_IFF_UP 0x0001 89 #define LINUX_IFF_BROADCAST 0x0002 90 #define LINUX_IFF_DEBUG 0x0004 91 #define LINUX_IFF_LOOPBACK 0x0008 92 #define LINUX_IFF_POINTOPOINT 0x0010 93 #define LINUX_IFF_NOTRAILERS 0x0020 94 #define LINUX_IFF_RUNNING 0x0040 95 #define LINUX_IFF_NOARP 0x0080 96 #define LINUX_IFF_PROMISC 0x0100 97 #define LINUX_IFF_ALLMULTI 0x0200 98 #define LINUX_IFF_MASTER 0x0400 99 #define LINUX_IFF_SLAVE 0x0800 100 #define LINUX_IFF_MULTICAST 0x1000 101 #define LINUX_IFF_PORTSEL 0x2000 102 #define LINUX_IFF_AUTOMEDIA 0x4000 103 #define LINUX_IFF_DYNAMIC 0x8000 104 105 /* sigaltstack */ 106 #define LINUX_SS_ONSTACK 1 107 #define LINUX_SS_DISABLE 2 108 109 int linux_to_bsd_sigaltstack(int lsa); 110 int bsd_to_linux_sigaltstack(int bsa); 111 112 /* sigset */ 113 typedef struct { 114 uint64_t __mask; 115 } l_sigset_t; 116 117 /* primitives to manipulate sigset_t */ 118 #define LINUX_SIGEMPTYSET(set) (set).__mask = 0 119 #define LINUX_SIGISMEMBER(set, sig) (1ULL & ((set).__mask >> _SIG_IDX(sig))) 120 #define LINUX_SIGADDSET(set, sig) (set).__mask |= 1ULL << _SIG_IDX(sig) 121 122 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *); 123 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *); 124 125 /* signaling */ 126 #define LINUX_SIGHUP 1 127 #define LINUX_SIGINT 2 128 #define LINUX_SIGQUIT 3 129 #define LINUX_SIGILL 4 130 #define LINUX_SIGTRAP 5 131 #define LINUX_SIGABRT 6 132 #define LINUX_SIGIOT LINUX_SIGABRT 133 #define LINUX_SIGBUS 7 134 #define LINUX_SIGFPE 8 135 #define LINUX_SIGKILL 9 136 #define LINUX_SIGUSR1 10 137 #define LINUX_SIGSEGV 11 138 #define LINUX_SIGUSR2 12 139 #define LINUX_SIGPIPE 13 140 #define LINUX_SIGALRM 14 141 #define LINUX_SIGTERM 15 142 #define LINUX_SIGSTKFLT 16 143 #define LINUX_SIGCHLD 17 144 #define LINUX_SIGCONT 18 145 #define LINUX_SIGSTOP 19 146 #define LINUX_SIGTSTP 20 147 #define LINUX_SIGTTIN 21 148 #define LINUX_SIGTTOU 22 149 #define LINUX_SIGURG 23 150 #define LINUX_SIGXCPU 24 151 #define LINUX_SIGXFSZ 25 152 #define LINUX_SIGVTALRM 26 153 #define LINUX_SIGPROF 27 154 #define LINUX_SIGWINCH 28 155 #define LINUX_SIGIO 29 156 #define LINUX_SIGPOLL LINUX_SIGIO 157 #define LINUX_SIGPWR 30 158 #define LINUX_SIGSYS 31 159 #define LINUX_SIGTBLSZ 31 160 #define LINUX_SIGRTMIN 32 161 #define LINUX_SIGRTMAX 64 162 163 #define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0) 164 165 int linux_to_bsd_signal(int sig); 166 int bsd_to_linux_signal(int sig); 167 168 /* sigprocmask actions */ 169 #define LINUX_SIG_BLOCK 0 170 #define LINUX_SIG_UNBLOCK 1 171 #define LINUX_SIG_SETMASK 2 172 173 void linux_dev_shm_create(void); 174 void linux_dev_shm_destroy(void); 175 176 /* 177 * mask=0 is not sensible for this application, so it will be taken to mean 178 * a mask equivalent to the value. Otherwise, (word & mask) == value maps to 179 * (word & ~mask) | value in a bitfield for the platform we're converting to. 180 */ 181 struct bsd_to_linux_bitmap { 182 int bsd_mask; 183 int bsd_value; 184 int linux_mask; 185 int linux_value; 186 }; 187 188 int bsd_to_linux_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 189 size_t mapcnt, int no_value); 190 int linux_to_bsd_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 191 size_t mapcnt, int no_value); 192 193 /* 194 * These functions are used for simplification of BSD <-> Linux bit conversions. 195 * Given `value`, a bit field, these functions will walk the given bitmap table 196 * and set the appropriate bits for the target platform. If any bits were 197 * successfully converted, then the return value is the equivalent of value 198 * represented with the bit values appropriate for the target platform. 199 * Otherwise, the value supplied as `no_value` is returned. 200 */ 201 #define bsd_to_linux_bits(_val, _bmap, _noval) \ 202 bsd_to_linux_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 203 #define linux_to_bsd_bits(_val, _bmap, _noval) \ 204 linux_to_bsd_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 205 206 /* 207 * Easy mapping helpers. BITMAP_EASY_LINUX represents a single bit to be 208 * translated, and the FreeBSD and Linux values are supplied. BITMAP_1t1_LINUX 209 * is the extreme version of this, where not only is it a single bit, but the 210 * name of the macro used to represent the Linux version of a bit literally has 211 * LINUX_ prepended to the normal name. 212 */ 213 #define BITMAP_EASY_LINUX(_name, _linux_name) \ 214 { \ 215 .bsd_value = (_name), \ 216 .linux_value = (_linux_name), \ 217 } 218 #define BITMAP_1t1_LINUX(_name) BITMAP_EASY_LINUX(_name, LINUX_##_name) 219 220 int bsd_to_linux_errno(int error); 221 void linux_check_errtbl(void); 222 223 #define STATX_BASIC_STATS 0x07ff 224 #define STATX_BTIME 0x0800 225 #define STATX_ALL 0x0fff 226 227 #define STATX_ATTR_COMPRESSED 0x0004 228 #define STATX_ATTR_IMMUTABLE 0x0010 229 #define STATX_ATTR_APPEND 0x0020 230 #define STATX_ATTR_NODUMP 0x0040 231 #define STATX_ATTR_ENCRYPTED 0x0800 232 #define STATX_ATTR_AUTOMOUNT 0x1000 233 234 struct l_statx_timestamp { 235 int64_t tv_sec; 236 int32_t tv_nsec; 237 int32_t __spare0; 238 }; 239 240 struct l_statx { 241 uint32_t stx_mask; 242 uint32_t stx_blksize; 243 uint64_t stx_attributes; 244 uint32_t stx_nlink; 245 uint32_t stx_uid; 246 uint32_t stx_gid; 247 uint16_t stx_mode; 248 uint16_t __spare0[1]; 249 uint64_t stx_ino; 250 uint64_t stx_size; 251 uint64_t stx_blocks; 252 uint64_t stx_attributes_mask; 253 struct l_statx_timestamp stx_atime; 254 struct l_statx_timestamp stx_btime; 255 struct l_statx_timestamp stx_ctime; 256 struct l_statx_timestamp stx_mtime; 257 uint32_t stx_rdev_major; 258 uint32_t stx_rdev_minor; 259 uint32_t stx_dev_major; 260 uint32_t stx_dev_minor; 261 uint64_t stx_mnt_id; 262 uint64_t __spare2[13]; 263 }; 264 265 /* 266 * statfs f_flags 267 */ 268 #define LINUX_ST_RDONLY 0x0001 269 #define LINUX_ST_NOSUID 0x0002 270 #define LINUX_ST_NODEV 0x0004 /* No native analogue */ 271 #define LINUX_ST_NOEXEC 0x0008 272 #define LINUX_ST_SYNCHRONOUS 0x0010 273 #define LINUX_ST_VALID 0x0020 274 #define LINUX_ST_MANDLOCK 0x0040 /* No native analogue */ 275 #define LINUX_ST_NOATIME 0x0400 276 #define LINUX_ST_NODIRATIME 0x0800 /* No native analogue */ 277 #define LINUX_ST_RELATIME 0x1000 /* No native analogue */ 278 #define LINUX_ST_NOSYMFOLLOW 0x2000 279 280 #define lower_32_bits(n) ((uint32_t)((n) & 0xffffffff)) 281 282 #ifdef KTRACE 283 #define linux_ktrsigset(s, l) \ 284 ktrstruct("l_sigset_t", (s), l) 285 #endif 286 287 /* 288 * Criteria for interface name translation 289 */ 290 #define IFP_IS_ETH(ifp) (if_gettype(ifp) == IFT_ETHER) 291 #define IFP_IS_LOOP(ifp) (if_gettype(ifp) == IFT_LOOP) 292 293 struct ifnet; 294 295 bool linux_use_real_ifname(const struct ifnet *); 296 297 void linux_netlink_register(void); 298 void linux_netlink_deregister(void); 299 300 #endif /* _LINUX_MI_H_ */ 301