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 /* 59 * Criteria for interface name translation 60 */ 61 #define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER) 62 #define IFP_IS_LOOP(ifp) (ifp->if_type == IFT_LOOP) 63 64 struct l_sockaddr { 65 unsigned short sa_family; 66 char sa_data[14]; 67 }; 68 69 #define LINUX_ARPHRD_ETHER 1 70 #define LINUX_ARPHRD_LOOPBACK 772 71 72 /* 73 * Supported address families 74 */ 75 #define LINUX_AF_UNSPEC 0 76 #define LINUX_AF_UNIX 1 77 #define LINUX_AF_INET 2 78 #define LINUX_AF_AX25 3 79 #define LINUX_AF_IPX 4 80 #define LINUX_AF_APPLETALK 5 81 #define LINUX_AF_INET6 10 82 #define LINUX_AF_NETLINK 16 83 84 #define LINUX_NETLINK_ROUTE 0 85 #define LINUX_NETLINK_SOCK_DIAG 4 86 #define LINUX_NETLINK_NFLOG 5 87 #define LINUX_NETLINK_SELINUX 7 88 #define LINUX_NETLINK_AUDIT 9 89 #define LINUX_NETLINK_FIB_LOOKUP 10 90 #define LINUX_NETLINK_NETFILTER 12 91 #define LINUX_NETLINK_KOBJECT_UEVENT 15 92 93 /* 94 * net device flags 95 */ 96 #define LINUX_IFF_UP 0x0001 97 #define LINUX_IFF_BROADCAST 0x0002 98 #define LINUX_IFF_DEBUG 0x0004 99 #define LINUX_IFF_LOOPBACK 0x0008 100 #define LINUX_IFF_POINTOPOINT 0x0010 101 #define LINUX_IFF_NOTRAILERS 0x0020 102 #define LINUX_IFF_RUNNING 0x0040 103 #define LINUX_IFF_NOARP 0x0080 104 #define LINUX_IFF_PROMISC 0x0100 105 #define LINUX_IFF_ALLMULTI 0x0200 106 #define LINUX_IFF_MASTER 0x0400 107 #define LINUX_IFF_SLAVE 0x0800 108 #define LINUX_IFF_MULTICAST 0x1000 109 #define LINUX_IFF_PORTSEL 0x2000 110 #define LINUX_IFF_AUTOMEDIA 0x4000 111 #define LINUX_IFF_DYNAMIC 0x8000 112 113 /* sigaltstack */ 114 #define LINUX_SS_ONSTACK 1 115 #define LINUX_SS_DISABLE 2 116 117 int linux_to_bsd_sigaltstack(int lsa); 118 int bsd_to_linux_sigaltstack(int bsa); 119 120 /* sigset */ 121 typedef struct { 122 uint64_t __mask; 123 } l_sigset_t; 124 125 /* primitives to manipulate sigset_t */ 126 #define LINUX_SIGEMPTYSET(set) (set).__mask = 0 127 #define LINUX_SIGISMEMBER(set, sig) (1UL & ((set).__mask >> _SIG_IDX(sig))) 128 #define LINUX_SIGADDSET(set, sig) (set).__mask |= 1UL << _SIG_IDX(sig) 129 130 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *); 131 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *); 132 133 /* signaling */ 134 #define LINUX_SIGHUP 1 135 #define LINUX_SIGINT 2 136 #define LINUX_SIGQUIT 3 137 #define LINUX_SIGILL 4 138 #define LINUX_SIGTRAP 5 139 #define LINUX_SIGABRT 6 140 #define LINUX_SIGIOT LINUX_SIGABRT 141 #define LINUX_SIGBUS 7 142 #define LINUX_SIGFPE 8 143 #define LINUX_SIGKILL 9 144 #define LINUX_SIGUSR1 10 145 #define LINUX_SIGSEGV 11 146 #define LINUX_SIGUSR2 12 147 #define LINUX_SIGPIPE 13 148 #define LINUX_SIGALRM 14 149 #define LINUX_SIGTERM 15 150 #define LINUX_SIGSTKFLT 16 151 #define LINUX_SIGCHLD 17 152 #define LINUX_SIGCONT 18 153 #define LINUX_SIGSTOP 19 154 #define LINUX_SIGTSTP 20 155 #define LINUX_SIGTTIN 21 156 #define LINUX_SIGTTOU 22 157 #define LINUX_SIGURG 23 158 #define LINUX_SIGXCPU 24 159 #define LINUX_SIGXFSZ 25 160 #define LINUX_SIGVTALRM 26 161 #define LINUX_SIGPROF 27 162 #define LINUX_SIGWINCH 28 163 #define LINUX_SIGIO 29 164 #define LINUX_SIGPOLL LINUX_SIGIO 165 #define LINUX_SIGPWR 30 166 #define LINUX_SIGSYS 31 167 #define LINUX_SIGTBLSZ 31 168 #define LINUX_SIGRTMIN 32 169 #define LINUX_SIGRTMAX 64 170 171 #define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0) 172 173 int linux_to_bsd_signal(int sig); 174 int bsd_to_linux_signal(int sig); 175 176 void linux_dev_shm_create(void); 177 void linux_dev_shm_destroy(void); 178 179 /* 180 * mask=0 is not sensible for this application, so it will be taken to mean 181 * a mask equivalent to the value. Otherwise, (word & mask) == value maps to 182 * (word & ~mask) | value in a bitfield for the platform we're converting to. 183 */ 184 struct bsd_to_linux_bitmap { 185 int bsd_mask; 186 int bsd_value; 187 int linux_mask; 188 int linux_value; 189 }; 190 191 int bsd_to_linux_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 192 size_t mapcnt, int no_value); 193 int linux_to_bsd_bits_(int value, struct bsd_to_linux_bitmap *bitmap, 194 size_t mapcnt, int no_value); 195 196 /* 197 * These functions are used for simplification of BSD <-> Linux bit conversions. 198 * Given `value`, a bit field, these functions will walk the given bitmap table 199 * and set the appropriate bits for the target platform. If any bits were 200 * successfully converted, then the return value is the equivalent of value 201 * represented with the bit values appropriate for the target platform. 202 * Otherwise, the value supplied as `no_value` is returned. 203 */ 204 #define bsd_to_linux_bits(_val, _bmap, _noval) \ 205 bsd_to_linux_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 206 #define linux_to_bsd_bits(_val, _bmap, _noval) \ 207 linux_to_bsd_bits_((_val), (_bmap), nitems((_bmap)), (_noval)) 208 209 /* 210 * Easy mapping helpers. BITMAP_EASY_LINUX represents a single bit to be 211 * translated, and the FreeBSD and Linux values are supplied. BITMAP_1t1_LINUX 212 * is the extreme version of this, where not only is it a single bit, but the 213 * name of the macro used to represent the Linux version of a bit literally has 214 * LINUX_ prepended to the normal name. 215 */ 216 #define BITMAP_EASY_LINUX(_name, _linux_name) \ 217 { \ 218 .bsd_value = (_name), \ 219 .linux_value = (_linux_name), \ 220 } 221 #define BITMAP_1t1_LINUX(_name) BITMAP_EASY_LINUX(_name, LINUX_##_name) 222 223 int bsd_to_linux_errno(int error); 224 void linux_check_errtbl(void); 225 226 #define STATX_BASIC_STATS 0x07ff 227 #define STATX_BTIME 0x0800 228 #define STATX_ALL 0x0fff 229 230 #define STATX_ATTR_COMPRESSED 0x0004 231 #define STATX_ATTR_IMMUTABLE 0x0010 232 #define STATX_ATTR_APPEND 0x0020 233 #define STATX_ATTR_NODUMP 0x0040 234 #define STATX_ATTR_ENCRYPTED 0x0800 235 #define STATX_ATTR_AUTOMOUNT 0x1000 236 237 struct l_statx_timestamp { 238 int64_t tv_sec; 239 int32_t tv_nsec; 240 int32_t __spare0; 241 }; 242 243 struct l_statx { 244 uint32_t stx_mask; 245 uint32_t stx_blksize; 246 uint64_t stx_attributes; 247 uint32_t stx_nlink; 248 uint32_t stx_uid; 249 uint32_t stx_gid; 250 uint16_t stx_mode; 251 uint16_t __spare0[1]; 252 uint64_t stx_ino; 253 uint64_t stx_size; 254 uint64_t stx_blocks; 255 uint64_t stx_attributes_mask; 256 struct l_statx_timestamp stx_atime; 257 struct l_statx_timestamp stx_btime; 258 struct l_statx_timestamp stx_ctime; 259 struct l_statx_timestamp stx_mtime; 260 uint32_t stx_rdev_major; 261 uint32_t stx_rdev_minor; 262 uint32_t stx_dev_major; 263 uint32_t stx_dev_minor; 264 uint64_t stx_mnt_id; 265 uint64_t __spare2[13]; 266 }; 267 268 #define lower_32_bits(n) ((uint32_t)((n) & 0xffffffff)) 269 270 #endif /* _LINUX_MI_H_ */ 271