1 /*- 2 * Copyright (c) 2015 Dmitry Chagin 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _LINUX_MI_H_ 30 #define _LINUX_MI_H_ 31 32 #include <sys/queue.h> 33 34 /* 35 * poll() 36 */ 37 #define LINUX_POLLIN 0x0001 38 #define LINUX_POLLPRI 0x0002 39 #define LINUX_POLLOUT 0x0004 40 #define LINUX_POLLERR 0x0008 41 #define LINUX_POLLHUP 0x0010 42 #define LINUX_POLLNVAL 0x0020 43 #define LINUX_POLLRDNORM 0x0040 44 #define LINUX_POLLRDBAND 0x0080 45 #define LINUX_POLLWRNORM 0x0100 46 #define LINUX_POLLWRBAND 0x0200 47 #define LINUX_POLLMSG 0x0400 48 #define LINUX_POLLREMOVE 0x1000 49 #define LINUX_POLLRDHUP 0x2000 50 51 #define LINUX_IFHWADDRLEN 6 52 #define LINUX_IFNAMSIZ 16 53 54 /* 55 * Criteria for interface name translation 56 */ 57 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 58 #define IFP_IS_LOOP(ifp) (ifp->if_type == IFT_LOOP) 59 60 struct l_sockaddr { 61 unsigned short sa_family; 62 char sa_data[14]; 63 }; 64 65 #define LINUX_ARPHRD_ETHER 1 66 #define LINUX_ARPHRD_LOOPBACK 772 67 68 /* 69 * Supported address families 70 */ 71 #define LINUX_AF_UNSPEC 0 72 #define LINUX_AF_UNIX 1 73 #define LINUX_AF_INET 2 74 #define LINUX_AF_AX25 3 75 #define LINUX_AF_IPX 4 76 #define LINUX_AF_APPLETALK 5 77 #define LINUX_AF_INET6 10 78 #define LINUX_AF_NETLINK 16 79 80 #define LINUX_NETLINK_ROUTE 0 81 #define LINUX_NETLINK_SOCK_DIAG 4 82 #define LINUX_NETLINK_NFLOG 5 83 #define LINUX_NETLINK_SELINUX 7 84 #define LINUX_NETLINK_AUDIT 9 85 #define LINUX_NETLINK_FIB_LOOKUP 10 86 #define LINUX_NETLINK_NETFILTER 12 87 #define LINUX_NETLINK_KOBJECT_UEVENT 15 88 89 /* 90 * net device flags 91 */ 92 #define LINUX_IFF_UP 0x0001 93 #define LINUX_IFF_BROADCAST 0x0002 94 #define LINUX_IFF_DEBUG 0x0004 95 #define LINUX_IFF_LOOPBACK 0x0008 96 #define LINUX_IFF_POINTOPOINT 0x0010 97 #define LINUX_IFF_NOTRAILERS 0x0020 98 #define LINUX_IFF_RUNNING 0x0040 99 #define LINUX_IFF_NOARP 0x0080 100 #define LINUX_IFF_PROMISC 0x0100 101 #define LINUX_IFF_ALLMULTI 0x0200 102 #define LINUX_IFF_MASTER 0x0400 103 #define LINUX_IFF_SLAVE 0x0800 104 #define LINUX_IFF_MULTICAST 0x1000 105 #define LINUX_IFF_PORTSEL 0x2000 106 #define LINUX_IFF_AUTOMEDIA 0x4000 107 #define LINUX_IFF_DYNAMIC 0x8000 108 109 /* sigaltstack */ 110 #define LINUX_SS_ONSTACK 1 111 #define LINUX_SS_DISABLE 2 112 113 int linux_to_bsd_sigaltstack(int lsa); 114 int bsd_to_linux_sigaltstack(int bsa); 115 116 /* sigset */ 117 typedef struct { 118 uint64_t __mask; 119 } l_sigset_t; 120 121 /* primitives to manipulate sigset_t */ 122 #define LINUX_SIGEMPTYSET(set) (set).__mask = 0 123 #define LINUX_SIGISMEMBER(set, sig) (1UL & ((set).__mask >> _SIG_IDX(sig))) 124 #define LINUX_SIGADDSET(set, sig) (set).__mask |= 1UL << _SIG_IDX(sig) 125 126 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *); 127 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *); 128 129 /* signaling */ 130 #define LINUX_SIGHUP 1 131 #define LINUX_SIGINT 2 132 #define LINUX_SIGQUIT 3 133 #define LINUX_SIGILL 4 134 #define LINUX_SIGTRAP 5 135 #define LINUX_SIGABRT 6 136 #define LINUX_SIGIOT LINUX_SIGABRT 137 #define LINUX_SIGBUS 7 138 #define LINUX_SIGFPE 8 139 #define LINUX_SIGKILL 9 140 #define LINUX_SIGUSR1 10 141 #define LINUX_SIGSEGV 11 142 #define LINUX_SIGUSR2 12 143 #define LINUX_SIGPIPE 13 144 #define LINUX_SIGALRM 14 145 #define LINUX_SIGTERM 15 146 #define LINUX_SIGSTKFLT 16 147 #define LINUX_SIGCHLD 17 148 #define LINUX_SIGCONT 18 149 #define LINUX_SIGSTOP 19 150 #define LINUX_SIGTSTP 20 151 #define LINUX_SIGTTIN 21 152 #define LINUX_SIGTTOU 22 153 #define LINUX_SIGURG 23 154 #define LINUX_SIGXCPU 24 155 #define LINUX_SIGXFSZ 25 156 #define LINUX_SIGVTALRM 26 157 #define LINUX_SIGPROF 27 158 #define LINUX_SIGWINCH 28 159 #define LINUX_SIGIO 29 160 #define LINUX_SIGPOLL LINUX_SIGIO 161 #define LINUX_SIGPWR 30 162 #define LINUX_SIGSYS 31 163 #define LINUX_SIGTBLSZ 31 164 #define LINUX_SIGRTMIN 32 165 #define LINUX_SIGRTMAX 64 166 167 #define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0) 168 169 int linux_to_bsd_signal(int sig); 170 int bsd_to_linux_signal(int sig); 171 172 extern LIST_HEAD(futex_list, futex) futex_list; 173 extern struct mtx futex_mtx; 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 #endif /* _LINUX_MI_H_ */ 268