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 * poll() 35 */ 36 #define LINUX_POLLIN 0x0001 37 #define LINUX_POLLPRI 0x0002 38 #define LINUX_POLLOUT 0x0004 39 #define LINUX_POLLERR 0x0008 40 #define LINUX_POLLHUP 0x0010 41 #define LINUX_POLLNVAL 0x0020 42 #define LINUX_POLLRDNORM 0x0040 43 #define LINUX_POLLRDBAND 0x0080 44 #define LINUX_POLLWRNORM 0x0100 45 #define LINUX_POLLWRBAND 0x0200 46 #define LINUX_POLLMSG 0x0400 47 #define LINUX_POLLREMOVE 0x1000 48 #define LINUX_POLLRDHUP 0x2000 49 50 #define LINUX_IFHWADDRLEN 6 51 #define LINUX_IFNAMSIZ 16 52 53 /* 54 * Criteria for interface name translation 55 */ 56 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 57 #define IFP_IS_LOOP(ifp) (ifp->if_type == IFT_LOOP) 58 59 struct l_sockaddr { 60 unsigned short sa_family; 61 char sa_data[14]; 62 }; 63 64 #define LINUX_ARPHRD_ETHER 1 65 #define LINUX_ARPHRD_LOOPBACK 772 66 67 /* 68 * Supported address families 69 */ 70 #define LINUX_AF_UNSPEC 0 71 #define LINUX_AF_UNIX 1 72 #define LINUX_AF_INET 2 73 #define LINUX_AF_AX25 3 74 #define LINUX_AF_IPX 4 75 #define LINUX_AF_APPLETALK 5 76 #define LINUX_AF_INET6 10 77 #define LINUX_AF_NETLINK 16 78 79 #define LINUX_NETLINK_ROUTE 0 80 #define LINUX_NETLINK_SOCK_DIAG 4 81 #define LINUX_NETLINK_NFLOG 5 82 #define LINUX_NETLINK_SELINUX 7 83 #define LINUX_NETLINK_AUDIT 9 84 #define LINUX_NETLINK_FIB_LOOKUP 10 85 #define LINUX_NETLINK_NETFILTER 12 86 #define LINUX_NETLINK_KOBJECT_UEVENT 15 87 88 /* 89 * net device flags 90 */ 91 #define LINUX_IFF_UP 0x0001 92 #define LINUX_IFF_BROADCAST 0x0002 93 #define LINUX_IFF_DEBUG 0x0004 94 #define LINUX_IFF_LOOPBACK 0x0008 95 #define LINUX_IFF_POINTOPOINT 0x0010 96 #define LINUX_IFF_NOTRAILERS 0x0020 97 #define LINUX_IFF_RUNNING 0x0040 98 #define LINUX_IFF_NOARP 0x0080 99 #define LINUX_IFF_PROMISC 0x0100 100 #define LINUX_IFF_ALLMULTI 0x0200 101 #define LINUX_IFF_MASTER 0x0400 102 #define LINUX_IFF_SLAVE 0x0800 103 #define LINUX_IFF_MULTICAST 0x1000 104 #define LINUX_IFF_PORTSEL 0x2000 105 #define LINUX_IFF_AUTOMEDIA 0x4000 106 #define LINUX_IFF_DYNAMIC 0x8000 107 108 /* sigaltstack */ 109 #define LINUX_SS_ONSTACK 1 110 #define LINUX_SS_DISABLE 2 111 112 int linux_to_bsd_sigaltstack(int lsa); 113 int bsd_to_linux_sigaltstack(int bsa); 114 115 /* sigset */ 116 typedef struct { 117 uint64_t __mask; 118 } l_sigset_t; 119 120 /* primitives to manipulate sigset_t */ 121 #define LINUX_SIGEMPTYSET(set) (set).__mask = 0 122 #define LINUX_SIGISMEMBER(set, sig) (1UL & ((set).__mask >> _SIG_IDX(sig))) 123 #define LINUX_SIGADDSET(set, sig) (set).__mask |= 1UL << _SIG_IDX(sig) 124 125 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *); 126 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *); 127 128 /* signaling */ 129 #define LINUX_SIGHUP 1 130 #define LINUX_SIGINT 2 131 #define LINUX_SIGQUIT 3 132 #define LINUX_SIGILL 4 133 #define LINUX_SIGTRAP 5 134 #define LINUX_SIGABRT 6 135 #define LINUX_SIGIOT LINUX_SIGABRT 136 #define LINUX_SIGBUS 7 137 #define LINUX_SIGFPE 8 138 #define LINUX_SIGKILL 9 139 #define LINUX_SIGUSR1 10 140 #define LINUX_SIGSEGV 11 141 #define LINUX_SIGUSR2 12 142 #define LINUX_SIGPIPE 13 143 #define LINUX_SIGALRM 14 144 #define LINUX_SIGTERM 15 145 #define LINUX_SIGSTKFLT 16 146 #define LINUX_SIGCHLD 17 147 #define LINUX_SIGCONT 18 148 #define LINUX_SIGSTOP 19 149 #define LINUX_SIGTSTP 20 150 #define LINUX_SIGTTIN 21 151 #define LINUX_SIGTTOU 22 152 #define LINUX_SIGURG 23 153 #define LINUX_SIGXCPU 24 154 #define LINUX_SIGXFSZ 25 155 #define LINUX_SIGVTALRM 26 156 #define LINUX_SIGPROF 27 157 #define LINUX_SIGWINCH 28 158 #define LINUX_SIGIO 29 159 #define LINUX_SIGPOLL LINUX_SIGIO 160 #define LINUX_SIGPWR 30 161 #define LINUX_SIGSYS 31 162 #define LINUX_SIGTBLSZ 31 163 #define LINUX_SIGRTMIN 32 164 #define LINUX_SIGRTMAX 64 165 166 #define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0) 167 168 int linux_to_bsd_signal(int sig); 169 int bsd_to_linux_signal(int sig); 170 171 extern LIST_HEAD(futex_list, futex) futex_list; 172 extern struct mtx futex_mtx; 173 174 void linux_dev_shm_create(void); 175 void linux_dev_shm_destroy(void); 176 177 /* 178 * mask=0 is not sensible for this application, so it will be taken to mean 179 * a mask equivalent to the value. Otherwise, (word & mask) == value maps to 180 * (word & ~mask) | value in a bitfield for the platform we're converting to. 181 */ 182 struct bsd_to_linux_bitmap { 183 int bsd_mask; 184 int bsd_value; 185 int linux_mask; 186 int linux_value; 187 }; 188 189 int bsd_to_linux_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 190 size_t mapcnt, int no_value); 191 int linux_to_bsd_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 192 size_t mapcnt, int no_value); 193 194 /* 195 * These functions are used for simplification of BSD <-> Linux bit conversions. 196 * Given `value`, a bit field, these functions will walk the given bitmap table 197 * and set the appropriate bits for the target platform. If any bits were 198 * successfully converted, then the return value is the equivalent of value 199 * represented with the bit values appropriate for the target platform. 200 * Otherwise, the value supplied as `no_value` is returned. 201 */ 202 #define bsd_to_linux_bits(_val, _bmap, _noval) \ 203 bsd_to_linux_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 204 #define linux_to_bsd_bits(_val, _bmap, _noval) \ 205 linux_to_bsd_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 206 207 /* 208 * Easy mapping helpers. BITMAP_EASY_LINUX represents a single bit to be 209 * translated, and the FreeBSD and Linux values are supplied. BITMAP_1t1_LINUX 210 * is the extreme version of this, where not only is it a single bit, but the 211 * name of the macro used to represent the Linux version of a bit literally has 212 * LINUX_ prepended to the normal name. 213 */ 214 #define BITMAP_EASY_LINUX(_name, _linux_name) \ 215 { \ 216 .bsd_value = (_name), \ 217 .linux_value = (_linux_name), \ 218 } 219 #define BITMAP_1t1_LINUX(_name) BITMAP_EASY_LINUX(_name, LINUX_##_name) 220 221 int bsd_to_linux_errno(int error); 222 void linux_check_errtbl(void); 223 224 #define STATX_BASIC_STATS 0x07ff 225 #define STATX_BTIME 0x0800 226 #define STATX_ALL 0x0fff 227 228 #define STATX_ATTR_COMPRESSED 0x0004 229 #define STATX_ATTR_IMMUTABLE 0x0010 230 #define STATX_ATTR_APPEND 0x0020 231 #define STATX_ATTR_NODUMP 0x0040 232 #define STATX_ATTR_ENCRYPTED 0x0800 233 #define STATX_ATTR_AUTOMOUNT 0x1000 234 235 struct l_statx_timestamp { 236 int64_t tv_sec; 237 int32_t tv_nsec; 238 int32_t __spare0; 239 }; 240 241 struct l_statx { 242 uint32_t stx_mask; 243 uint32_t stx_blksize; 244 uint64_t stx_attributes; 245 uint32_t stx_nlink; 246 uint32_t stx_uid; 247 uint32_t stx_gid; 248 uint16_t stx_mode; 249 uint16_t __spare0[1]; 250 uint64_t stx_ino; 251 uint64_t stx_size; 252 uint64_t stx_blocks; 253 uint64_t stx_attributes_mask; 254 struct l_statx_timestamp stx_atime; 255 struct l_statx_timestamp stx_btime; 256 struct l_statx_timestamp stx_ctime; 257 struct l_statx_timestamp stx_mtime; 258 uint32_t stx_rdev_major; 259 uint32_t stx_rdev_minor; 260 uint32_t stx_dev_major; 261 uint32_t stx_dev_minor; 262 uint64_t stx_mnt_id; 263 uint64_t __spare2[13]; 264 }; 265 266 #endif /* _LINUX_MI_H_ */ 267