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 #include <sys/queue.h> 32 33 /* 34 * Private Brandinfo flags 35 */ 36 #define LINUX_BI_FUTEX_REQUEUE 0x01000000 37 38 /* 39 * poll() 40 */ 41 #define LINUX_POLLIN 0x0001 42 #define LINUX_POLLPRI 0x0002 43 #define LINUX_POLLOUT 0x0004 44 #define LINUX_POLLERR 0x0008 45 #define LINUX_POLLHUP 0x0010 46 #define LINUX_POLLNVAL 0x0020 47 #define LINUX_POLLRDNORM 0x0040 48 #define LINUX_POLLRDBAND 0x0080 49 #define LINUX_POLLWRNORM 0x0100 50 #define LINUX_POLLWRBAND 0x0200 51 #define LINUX_POLLMSG 0x0400 52 #define LINUX_POLLREMOVE 0x1000 53 #define LINUX_POLLRDHUP 0x2000 54 55 #define LINUX_IFHWADDRLEN 6 56 #define LINUX_IFNAMSIZ 16 57 58 struct l_sockaddr { 59 unsigned short sa_family; 60 char sa_data[14]; 61 }; 62 63 #define LINUX_ARPHRD_ETHER 1 64 #define LINUX_ARPHRD_LOOPBACK 772 65 66 /* 67 * Supported address families 68 */ 69 #define LINUX_AF_UNSPEC 0 70 #define LINUX_AF_UNIX 1 71 #define LINUX_AF_INET 2 72 #define LINUX_AF_AX25 3 73 #define LINUX_AF_IPX 4 74 #define LINUX_AF_APPLETALK 5 75 #define LINUX_AF_INET6 10 76 #define LINUX_AF_NETLINK 16 77 78 #define LINUX_NETLINK_ROUTE 0 79 #define LINUX_NETLINK_SOCK_DIAG 4 80 #define LINUX_NETLINK_NFLOG 5 81 #define LINUX_NETLINK_SELINUX 7 82 #define LINUX_NETLINK_AUDIT 9 83 #define LINUX_NETLINK_FIB_LOOKUP 10 84 #define LINUX_NETLINK_NETFILTER 12 85 #define LINUX_NETLINK_KOBJECT_UEVENT 15 86 87 /* 88 * net device flags 89 */ 90 #define LINUX_IFF_UP 0x0001 91 #define LINUX_IFF_BROADCAST 0x0002 92 #define LINUX_IFF_DEBUG 0x0004 93 #define LINUX_IFF_LOOPBACK 0x0008 94 #define LINUX_IFF_POINTOPOINT 0x0010 95 #define LINUX_IFF_NOTRAILERS 0x0020 96 #define LINUX_IFF_RUNNING 0x0040 97 #define LINUX_IFF_NOARP 0x0080 98 #define LINUX_IFF_PROMISC 0x0100 99 #define LINUX_IFF_ALLMULTI 0x0200 100 #define LINUX_IFF_MASTER 0x0400 101 #define LINUX_IFF_SLAVE 0x0800 102 #define LINUX_IFF_MULTICAST 0x1000 103 #define LINUX_IFF_PORTSEL 0x2000 104 #define LINUX_IFF_AUTOMEDIA 0x4000 105 #define LINUX_IFF_DYNAMIC 0x8000 106 107 /* sigaltstack */ 108 #define LINUX_SS_ONSTACK 1 109 #define LINUX_SS_DISABLE 2 110 111 int linux_to_bsd_sigaltstack(int lsa); 112 int bsd_to_linux_sigaltstack(int bsa); 113 114 /* sigset */ 115 typedef struct { 116 uint64_t __mask; 117 } l_sigset_t; 118 119 /* primitives to manipulate sigset_t */ 120 #define LINUX_SIGEMPTYSET(set) (set).__mask = 0 121 #define LINUX_SIGISMEMBER(set, sig) (1ULL & ((set).__mask >> _SIG_IDX(sig))) 122 #define LINUX_SIGADDSET(set, sig) (set).__mask |= 1ULL << _SIG_IDX(sig) 123 124 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *); 125 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *); 126 127 /* signaling */ 128 #define LINUX_SIGHUP 1 129 #define LINUX_SIGINT 2 130 #define LINUX_SIGQUIT 3 131 #define LINUX_SIGILL 4 132 #define LINUX_SIGTRAP 5 133 #define LINUX_SIGABRT 6 134 #define LINUX_SIGIOT LINUX_SIGABRT 135 #define LINUX_SIGBUS 7 136 #define LINUX_SIGFPE 8 137 #define LINUX_SIGKILL 9 138 #define LINUX_SIGUSR1 10 139 #define LINUX_SIGSEGV 11 140 #define LINUX_SIGUSR2 12 141 #define LINUX_SIGPIPE 13 142 #define LINUX_SIGALRM 14 143 #define LINUX_SIGTERM 15 144 #define LINUX_SIGSTKFLT 16 145 #define LINUX_SIGCHLD 17 146 #define LINUX_SIGCONT 18 147 #define LINUX_SIGSTOP 19 148 #define LINUX_SIGTSTP 20 149 #define LINUX_SIGTTIN 21 150 #define LINUX_SIGTTOU 22 151 #define LINUX_SIGURG 23 152 #define LINUX_SIGXCPU 24 153 #define LINUX_SIGXFSZ 25 154 #define LINUX_SIGVTALRM 26 155 #define LINUX_SIGPROF 27 156 #define LINUX_SIGWINCH 28 157 #define LINUX_SIGIO 29 158 #define LINUX_SIGPOLL LINUX_SIGIO 159 #define LINUX_SIGPWR 30 160 #define LINUX_SIGSYS 31 161 #define LINUX_SIGTBLSZ 31 162 #define LINUX_SIGRTMIN 32 163 #define LINUX_SIGRTMAX 64 164 165 #define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0) 166 167 int linux_to_bsd_signal(int sig); 168 int bsd_to_linux_signal(int sig); 169 170 /* sigprocmask actions */ 171 #define LINUX_SIG_BLOCK 0 172 #define LINUX_SIG_UNBLOCK 1 173 #define LINUX_SIG_SETMASK 2 174 175 void linux_dev_shm_create(void); 176 void linux_dev_shm_destroy(void); 177 178 /* 179 * mask=0 is not sensible for this application, so it will be taken to mean 180 * a mask equivalent to the value. Otherwise, (word & mask) == value maps to 181 * (word & ~mask) | value in a bitfield for the platform we're converting to. 182 */ 183 struct bsd_to_linux_bitmap { 184 int bsd_mask; 185 int bsd_value; 186 int linux_mask; 187 int linux_value; 188 }; 189 190 int bsd_to_linux_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 191 size_t mapcnt, int no_value); 192 int linux_to_bsd_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 193 size_t mapcnt, int no_value); 194 195 /* 196 * These functions are used for simplification of BSD <-> Linux bit conversions. 197 * Given `value`, a bit field, these functions will walk the given bitmap table 198 * and set the appropriate bits for the target platform. If any bits were 199 * successfully converted, then the return value is the equivalent of value 200 * represented with the bit values appropriate for the target platform. 201 * Otherwise, the value supplied as `no_value` is returned. 202 */ 203 #define bsd_to_linux_bits(_val, _bmap, _noval) \ 204 bsd_to_linux_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 205 #define linux_to_bsd_bits(_val, _bmap, _noval) \ 206 linux_to_bsd_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 207 208 /* 209 * Easy mapping helpers. BITMAP_EASY_LINUX represents a single bit to be 210 * translated, and the FreeBSD and Linux values are supplied. BITMAP_1t1_LINUX 211 * is the extreme version of this, where not only is it a single bit, but the 212 * name of the macro used to represent the Linux version of a bit literally has 213 * LINUX_ prepended to the normal name. 214 */ 215 #define BITMAP_EASY_LINUX(_name, _linux_name) \ 216 { \ 217 .bsd_value = (_name), \ 218 .linux_value = (_linux_name), \ 219 } 220 #define BITMAP_1t1_LINUX(_name) BITMAP_EASY_LINUX(_name, LINUX_##_name) 221 222 int bsd_to_linux_errno(int error); 223 void linux_check_errtbl(void); 224 225 #define STATX_BASIC_STATS 0x07ff 226 #define STATX_BTIME 0x0800 227 #define STATX_ALL 0x0fff 228 229 #define STATX_ATTR_COMPRESSED 0x0004 230 #define STATX_ATTR_IMMUTABLE 0x0010 231 #define STATX_ATTR_APPEND 0x0020 232 #define STATX_ATTR_NODUMP 0x0040 233 #define STATX_ATTR_ENCRYPTED 0x0800 234 #define STATX_ATTR_AUTOMOUNT 0x1000 235 236 struct l_statx_timestamp { 237 int64_t tv_sec; 238 int32_t tv_nsec; 239 int32_t __spare0; 240 }; 241 242 struct l_statx { 243 uint32_t stx_mask; 244 uint32_t stx_blksize; 245 uint64_t stx_attributes; 246 uint32_t stx_nlink; 247 uint32_t stx_uid; 248 uint32_t stx_gid; 249 uint16_t stx_mode; 250 uint16_t __spare0[1]; 251 uint64_t stx_ino; 252 uint64_t stx_size; 253 uint64_t stx_blocks; 254 uint64_t stx_attributes_mask; 255 struct l_statx_timestamp stx_atime; 256 struct l_statx_timestamp stx_btime; 257 struct l_statx_timestamp stx_ctime; 258 struct l_statx_timestamp stx_mtime; 259 uint32_t stx_rdev_major; 260 uint32_t stx_rdev_minor; 261 uint32_t stx_dev_major; 262 uint32_t stx_dev_minor; 263 uint64_t stx_mnt_id; 264 uint64_t __spare2[13]; 265 }; 266 267 /* 268 * statfs f_flags 269 */ 270 #define LINUX_ST_RDONLY 0x0001 271 #define LINUX_ST_NOSUID 0x0002 272 #define LINUX_ST_NODEV 0x0004 /* No native analogue */ 273 #define LINUX_ST_NOEXEC 0x0008 274 #define LINUX_ST_SYNCHRONOUS 0x0010 275 #define LINUX_ST_VALID 0x0020 276 #define LINUX_ST_MANDLOCK 0x0040 /* No native analogue */ 277 #define LINUX_ST_NOATIME 0x0400 278 #define LINUX_ST_NODIRATIME 0x0800 /* No native analogue */ 279 #define LINUX_ST_RELATIME 0x1000 /* No native analogue */ 280 #define LINUX_ST_NOSYMFOLLOW 0x2000 281 282 #define lower_32_bits(n) ((uint32_t)((n) & 0xffffffff)) 283 284 #ifdef KTRACE 285 #define linux_ktrsigset(s, l) \ 286 ktrstruct("l_sigset_t", (s), l) 287 #endif 288 289 void linux_netlink_register(void); 290 void linux_netlink_deregister(void); 291 292 #endif /* _LINUX_MI_H_ */ 293