Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/i386/linux/linux.h
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1 /*- 2 * Copyright (c) 1994-1996 Søren Schmidt 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 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _I386_LINUX_H_ 32 #define _I386_LINUX_H_ 33 34 #include <sys/signal.h> /* for sigval union */ 35 36 #include <i386/linux/linux_syscall.h> 37 38 /* 39 * debugging support 40 */ 41 extern u_char linux_debug_map[]; 42 #define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) 43 #define ARGS(nm, fmt) "linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid 44 #define LMSG(fmt) "linux(%ld): "fmt"\n", (long)td->td_proc->p_pid 45 46 #ifdef MALLOC_DECLARE 47 MALLOC_DECLARE(M_LINUX); 48 #endif 49 50 #define PTRIN(v) (void *)(v) 51 #define PTROUT(v) (l_uintptr_t)(v) 52 53 /* 54 * Provide a separate set of types for the Linux types. 55 */ 56 typedef int l_int; 57 typedef int32_t l_long; 58 typedef int64_t l_longlong; 59 typedef short l_short; 60 typedef unsigned int l_uint; 61 typedef uint32_t l_ulong; 62 typedef uint64_t l_ulonglong; 63 typedef unsigned short l_ushort; 64 65 typedef char *l_caddr_t; 66 typedef l_ulong l_uintptr_t; 67 typedef l_long l_clock_t; 68 typedef l_int l_daddr_t; 69 typedef l_ushort l_dev_t; 70 typedef l_uint l_gid_t; 71 typedef l_ushort l_gid16_t; 72 typedef l_ulong l_ino_t; 73 typedef l_int l_key_t; 74 typedef l_longlong l_loff_t; 75 typedef l_ushort l_mode_t; 76 typedef l_long l_off_t; 77 typedef l_int l_pid_t; 78 typedef l_uint l_size_t; 79 typedef l_long l_suseconds_t; 80 typedef l_long l_time_t; 81 typedef l_uint l_uid_t; 82 typedef l_ushort l_uid16_t; 83 84 typedef struct { 85 l_int val[2]; 86 } l_fsid_t; 87 88 typedef struct { 89 l_time_t tv_sec; 90 l_suseconds_t tv_usec; 91 } l_timeval; 92 93 #define l_fd_set fd_set 94 95 /* 96 * Miscellaneous 97 */ 98 #define LINUX_NAME_MAX 255 99 #define LINUX_MAX_UTSNAME 65 100 101 #define LINUX_CTL_MAXNAME 10 102 103 #define LINUX_AT_COUNT 16 /* Count of used aux entry types. 104 * Keep this synchronized with 105 * elf_linux_fixup() code. 106 */ 107 struct l___sysctl_args 108 { 109 l_int *name; 110 l_int nlen; 111 void *oldval; 112 l_size_t *oldlenp; 113 void *newval; 114 l_size_t newlen; 115 l_ulong __spare[4]; 116 }; 117 118 /* Scheduling policies */ 119 #define LINUX_SCHED_OTHER 0 120 #define LINUX_SCHED_FIFO 1 121 #define LINUX_SCHED_RR 2 122 123 /* Resource limits */ 124 #define LINUX_RLIMIT_CPU 0 125 #define LINUX_RLIMIT_FSIZE 1 126 #define LINUX_RLIMIT_DATA 2 127 #define LINUX_RLIMIT_STACK 3 128 #define LINUX_RLIMIT_CORE 4 129 #define LINUX_RLIMIT_RSS 5 130 #define LINUX_RLIMIT_NPROC 6 131 #define LINUX_RLIMIT_NOFILE 7 132 #define LINUX_RLIMIT_MEMLOCK 8 133 #define LINUX_RLIMIT_AS 9 /* Address space limit */ 134 135 #define LINUX_RLIM_NLIMITS 10 136 137 struct l_rlimit { 138 l_ulong rlim_cur; 139 l_ulong rlim_max; 140 }; 141 142 /* mmap options */ 143 #define LINUX_MAP_SHARED 0x0001 144 #define LINUX_MAP_PRIVATE 0x0002 145 #define LINUX_MAP_FIXED 0x0010 146 #define LINUX_MAP_ANON 0x0020 147 #define LINUX_MAP_GROWSDOWN 0x0100 148 149 struct l_mmap_argv { 150 l_uintptr_t addr; 151 l_size_t len; 152 l_int prot; 153 l_int flags; 154 l_int fd; 155 l_off_t pgoff; 156 } __packed; 157 158 /* 159 * stat family of syscalls 160 */ 161 struct l_timespec { 162 l_time_t tv_sec; 163 l_long tv_nsec; 164 }; 165 166 struct l_newstat { 167 l_ushort st_dev; 168 l_ushort __pad1; 169 l_ulong st_ino; 170 l_ushort st_mode; 171 l_ushort st_nlink; 172 l_ushort st_uid; 173 l_ushort st_gid; 174 l_ushort st_rdev; 175 l_ushort __pad2; 176 l_ulong st_size; 177 l_ulong st_blksize; 178 l_ulong st_blocks; 179 struct l_timespec st_atimespec; 180 struct l_timespec st_mtimespec; 181 struct l_timespec st_ctimespec; 182 l_ulong __unused4; 183 l_ulong __unused5; 184 }; 185 186 struct l_stat { 187 l_ushort st_dev; 188 l_ulong st_ino; 189 l_ushort st_mode; 190 l_ushort st_nlink; 191 l_ushort st_uid; 192 l_ushort st_gid; 193 l_ushort st_rdev; 194 l_long st_size; 195 struct l_timespec st_atimespec; 196 struct l_timespec st_mtimespec; 197 struct l_timespec st_ctimespec; 198 l_long st_blksize; 199 l_long st_blocks; 200 l_ulong st_flags; 201 l_ulong st_gen; 202 }; 203 204 struct l_stat64 { 205 l_ushort st_dev; 206 u_char __pad0[10]; 207 l_ulong __st_ino; 208 l_uint st_mode; 209 l_uint st_nlink; 210 l_ulong st_uid; 211 l_ulong st_gid; 212 l_ushort st_rdev; 213 u_char __pad3[10]; 214 l_longlong st_size; 215 l_ulong st_blksize; 216 l_ulong st_blocks; 217 l_ulong __pad4; 218 struct l_timespec st_atimespec; 219 struct l_timespec st_mtimespec; 220 struct l_timespec st_ctimespec; 221 l_ulonglong st_ino; 222 }; 223 224 struct l_statfs64 { 225 l_int f_type; 226 l_int f_bsize; 227 uint64_t f_blocks; 228 uint64_t f_bfree; 229 uint64_t f_bavail; 230 uint64_t f_files; 231 uint64_t f_ffree; 232 l_fsid_t f_fsid; 233 l_int f_namelen; 234 l_int f_spare[6]; 235 }; 236 237 struct l_new_utsname { 238 char sysname[LINUX_MAX_UTSNAME]; 239 char nodename[LINUX_MAX_UTSNAME]; 240 char release[LINUX_MAX_UTSNAME]; 241 char version[LINUX_MAX_UTSNAME]; 242 char machine[LINUX_MAX_UTSNAME]; 243 char domainname[LINUX_MAX_UTSNAME]; 244 }; 245 246 /* 247 * Signalling 248 */ 249 #define LINUX_SIGHUP 1 250 #define LINUX_SIGINT 2 251 #define LINUX_SIGQUIT 3 252 #define LINUX_SIGILL 4 253 #define LINUX_SIGTRAP 5 254 #define LINUX_SIGABRT 6 255 #define LINUX_SIGIOT LINUX_SIGABRT 256 #define LINUX_SIGBUS 7 257 #define LINUX_SIGFPE 8 258 #define LINUX_SIGKILL 9 259 #define LINUX_SIGUSR1 10 260 #define LINUX_SIGSEGV 11 261 #define LINUX_SIGUSR2 12 262 #define LINUX_SIGPIPE 13 263 #define LINUX_SIGALRM 14 264 #define LINUX_SIGTERM 15 265 #define LINUX_SIGSTKFLT 16 266 #define LINUX_SIGCHLD 17 267 #define LINUX_SIGCONT 18 268 #define LINUX_SIGSTOP 19 269 #define LINUX_SIGTSTP 20 270 #define LINUX_SIGTTIN 21 271 #define LINUX_SIGTTOU 22 272 #define LINUX_SIGURG 23 273 #define LINUX_SIGXCPU 24 274 #define LINUX_SIGXFSZ 25 275 #define LINUX_SIGVTALRM 26 276 #define LINUX_SIGPROF 27 277 #define LINUX_SIGWINCH 28 278 #define LINUX_SIGIO 29 279 #define LINUX_SIGPOLL LINUX_SIGIO 280 #define LINUX_SIGPWR 30 281 #define LINUX_SIGSYS 31 282 283 #define LINUX_SIGTBLSZ 31 284 #define LINUX_NSIG_WORDS 2 285 #define LINUX_NBPW 32 286 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 287 288 /* sigaction flags */ 289 #define LINUX_SA_NOCLDSTOP 0x00000001 290 #define LINUX_SA_NOCLDWAIT 0x00000002 291 #define LINUX_SA_SIGINFO 0x00000004 292 #define LINUX_SA_RESTORER 0x04000000 293 #define LINUX_SA_ONSTACK 0x08000000 294 #define LINUX_SA_RESTART 0x10000000 295 #define LINUX_SA_INTERRUPT 0x20000000 296 #define LINUX_SA_NOMASK 0x40000000 297 #define LINUX_SA_ONESHOT 0x80000000 298 299 /* sigprocmask actions */ 300 #define LINUX_SIG_BLOCK 0 301 #define LINUX_SIG_UNBLOCK 1 302 #define LINUX_SIG_SETMASK 2 303 304 /* sigset_t macros */ 305 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 306 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 307 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 308 309 /* sigaltstack */ 310 #define LINUX_MINSIGSTKSZ 2048 311 #define LINUX_SS_ONSTACK 1 312 #define LINUX_SS_DISABLE 2 313 314 int linux_to_bsd_sigaltstack(int lsa); 315 int bsd_to_linux_sigaltstack(int bsa); 316 317 typedef void (*l_handler_t)(l_int); 318 typedef l_ulong l_osigset_t; 319 320 typedef struct { 321 l_uint __bits[LINUX_NSIG_WORDS]; 322 } l_sigset_t; 323 324 typedef struct { 325 l_handler_t lsa_handler; 326 l_osigset_t lsa_mask; 327 l_ulong lsa_flags; 328 void (*lsa_restorer)(void); 329 } l_osigaction_t; 330 331 typedef struct { 332 l_handler_t lsa_handler; 333 l_ulong lsa_flags; 334 void (*lsa_restorer)(void); 335 l_sigset_t lsa_mask; 336 } l_sigaction_t; 337 338 typedef struct { 339 void *ss_sp; 340 l_int ss_flags; 341 l_size_t ss_size; 342 } l_stack_t; 343 344 /* The Linux sigcontext, pretty much a standard 386 trapframe. */ 345 struct l_sigcontext { 346 l_int sc_gs; 347 l_int sc_fs; 348 l_int sc_es; 349 l_int sc_ds; 350 l_int sc_edi; 351 l_int sc_esi; 352 l_int sc_ebp; 353 l_int sc_esp; 354 l_int sc_ebx; 355 l_int sc_edx; 356 l_int sc_ecx; 357 l_int sc_eax; 358 l_int sc_trapno; 359 l_int sc_err; 360 l_int sc_eip; 361 l_int sc_cs; 362 l_int sc_eflags; 363 l_int sc_esp_at_signal; 364 l_int sc_ss; 365 l_int sc_387; 366 l_int sc_mask; 367 l_int sc_cr2; 368 }; 369 370 struct l_ucontext { 371 l_ulong uc_flags; 372 void *uc_link; 373 l_stack_t uc_stack; 374 struct l_sigcontext uc_mcontext; 375 l_sigset_t uc_sigmask; 376 }; 377 378 #define LINUX_SI_MAX_SIZE 128 379 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 380 381 typedef struct l_siginfo { 382 l_int lsi_signo; 383 l_int lsi_errno; 384 l_int lsi_code; 385 union { 386 l_int _pad[LINUX_SI_PAD_SIZE]; 387 388 struct { 389 l_pid_t _pid; 390 l_uid16_t _uid; 391 } _kill; 392 393 struct { 394 l_uint _timer1; 395 l_uint _timer2; 396 } _timer; 397 398 struct { 399 l_pid_t _pid; /* sender's pid */ 400 l_uid16_t _uid; /* sender's uid */ 401 union sigval _sigval; 402 } _rt; 403 404 struct { 405 l_pid_t _pid; /* which child */ 406 l_uid16_t _uid; /* sender's uid */ 407 l_int _status; /* exit code */ 408 l_clock_t _utime; 409 l_clock_t _stime; 410 } _sigchld; 411 412 struct { 413 void *_addr; /* Faulting insn/memory ref. */ 414 } _sigfault; 415 416 struct { 417 l_int _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 418 l_int _fd; 419 } _sigpoll; 420 } _sifields; 421 } l_siginfo_t; 422 423 #define lsi_pid _sifields._kill._pid 424 #define lsi_uid _sifields._kill._uid 425 #define lsi_status _sifields._sigchld._status 426 #define lsi_utime _sifields._sigchld._utime 427 #define lsi_stime _sifields._sigchld._stime 428 #define lsi_value _sifields._rt._sigval 429 #define lsi_int _sifields._rt._sigval.sival_int 430 #define lsi_ptr _sifields._rt._sigval.sival_ptr 431 #define lsi_addr _sifields._sigfault._addr 432 #define lsi_band _sifields._sigpoll._band 433 #define lsi_fd _sifields._sigpoll._fd 434 435 struct l_fpreg { 436 u_int16_t significand[4]; 437 u_int16_t exponent; 438 }; 439 440 struct l_fpxreg { 441 u_int16_t significand[4]; 442 u_int16_t exponent; 443 u_int16_t padding[3]; 444 }; 445 446 struct l_xmmreg { 447 u_int32_t element[4]; 448 }; 449 450 struct l_fpstate { 451 /* Regular FPU environment */ 452 u_int32_t cw; 453 u_int32_t sw; 454 u_int32_t tag; 455 u_int32_t ipoff; 456 u_int32_t cssel; 457 u_int32_t dataoff; 458 u_int32_t datasel; 459 struct l_fpreg _st[8]; 460 u_int16_t status; 461 u_int16_t magic; /* 0xffff = regular FPU data */ 462 463 /* FXSR FPU environment */ 464 u_int32_t _fxsr_env[6]; /* env is ignored. */ 465 u_int32_t mxcsr; 466 u_int32_t reserved; 467 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 468 struct l_xmmreg _xmm[8]; 469 u_int32_t padding[56]; 470 }; 471 472 /* 473 * We make the stack look like Linux expects it when calling a signal 474 * handler, but use the BSD way of calling the handler and sigreturn(). 475 * This means that we need to pass the pointer to the handler too. 476 * It is appended to the frame to not interfere with the rest of it. 477 */ 478 struct l_sigframe { 479 l_int sf_sig; 480 struct l_sigcontext sf_sc; 481 struct l_fpstate sf_fpstate; 482 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 483 l_handler_t sf_handler; 484 }; 485 486 struct l_rt_sigframe { 487 l_int sf_sig; 488 l_siginfo_t *sf_siginfo; 489 struct l_ucontext *sf_ucontext; 490 l_siginfo_t sf_si; 491 struct l_ucontext sf_sc; 492 l_handler_t sf_handler; 493 }; 494 495 extern int bsd_to_linux_signal[]; 496 extern int linux_to_bsd_signal[]; 497 extern struct sysentvec linux_sysvec; 498 extern struct sysentvec elf_linux_sysvec; 499 500 /* 501 * Pluggable ioctl handlers 502 */ 503 struct linux_ioctl_args; 504 struct thread; 505 506 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *); 507 508 struct linux_ioctl_handler { 509 linux_ioctl_function_t *func; 510 int low, high; 511 }; 512 513 int linux_ioctl_register_handler(struct linux_ioctl_handler *h); 514 int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h); 515 516 /* 517 * open/fcntl flags 518 */ 519 #define LINUX_O_RDONLY 00000000 520 #define LINUX_O_WRONLY 00000001 521 #define LINUX_O_RDWR 00000002 522 #define LINUX_O_ACCMODE 00000003 523 #define LINUX_O_CREAT 00000100 524 #define LINUX_O_EXCL 00000200 525 #define LINUX_O_NOCTTY 00000400 526 #define LINUX_O_TRUNC 00001000 527 #define LINUX_O_APPEND 00002000 528 #define LINUX_O_NONBLOCK 00004000 529 #define LINUX_O_NDELAY LINUX_O_NONBLOCK 530 #define LINUX_O_SYNC 00010000 531 #define LINUX_FASYNC 00020000 532 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */ 533 #define LINUX_O_LARGEFILE 00100000 534 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */ 535 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */ 536 #define LINUX_O_NOATIME 01000000 537 #define LINUX_O_CLOEXEC 02000000 538 539 #define LINUX_F_DUPFD 0 540 #define LINUX_F_GETFD 1 541 #define LINUX_F_SETFD 2 542 #define LINUX_F_GETFL 3 543 #define LINUX_F_SETFL 4 544 #define LINUX_F_GETLK 5 545 #define LINUX_F_SETLK 6 546 #define LINUX_F_SETLKW 7 547 #define LINUX_F_SETOWN 8 548 #define LINUX_F_GETOWN 9 549 550 #define LINUX_F_GETLK64 12 551 #define LINUX_F_SETLK64 13 552 #define LINUX_F_SETLKW64 14 553 554 #define LINUX_F_RDLCK 0 555 #define LINUX_F_WRLCK 1 556 #define LINUX_F_UNLCK 2 557 558 #define LINUX_AT_FDCWD -100 559 560 /* 561 * mount flags 562 */ 563 #define LINUX_MS_RDONLY 0x0001 564 #define LINUX_MS_NOSUID 0x0002 565 #define LINUX_MS_NODEV 0x0004 566 #define LINUX_MS_NOEXEC 0x0008 567 #define LINUX_MS_REMOUNT 0x0020 568 569 /* 570 * SystemV IPC defines 571 */ 572 #define LINUX_SEMOP 1 573 #define LINUX_SEMGET 2 574 #define LINUX_SEMCTL 3 575 #define LINUX_MSGSND 11 576 #define LINUX_MSGRCV 12 577 #define LINUX_MSGGET 13 578 #define LINUX_MSGCTL 14 579 #define LINUX_SHMAT 21 580 #define LINUX_SHMDT 22 581 #define LINUX_SHMGET 23 582 #define LINUX_SHMCTL 24 583 584 #define LINUX_IPC_RMID 0 585 #define LINUX_IPC_SET 1 586 #define LINUX_IPC_STAT 2 587 #define LINUX_IPC_INFO 3 588 589 #define LINUX_SHM_LOCK 11 590 #define LINUX_SHM_UNLOCK 12 591 #define LINUX_SHM_STAT 13 592 #define LINUX_SHM_INFO 14 593 594 #define LINUX_SHM_RDONLY 0x1000 595 #define LINUX_SHM_RND 0x2000 596 #define LINUX_SHM_REMAP 0x4000 597 598 /* semctl commands */ 599 #define LINUX_GETPID 11 600 #define LINUX_GETVAL 12 601 #define LINUX_GETALL 13 602 #define LINUX_GETNCNT 14 603 #define LINUX_GETZCNT 15 604 #define LINUX_SETVAL 16 605 #define LINUX_SETALL 17 606 #define LINUX_SEM_STAT 18 607 #define LINUX_SEM_INFO 19 608 609 union l_semun { 610 l_int val; 611 struct l_semid_ds *buf; 612 l_ushort *array; 613 struct l_seminfo *__buf; 614 void *__pad; 615 }; 616 617 /* 618 * Socket defines 619 */ 620 #define LINUX_SOCKET 1 621 #define LINUX_BIND 2 622 #define LINUX_CONNECT 3 623 #define LINUX_LISTEN 4 624 #define LINUX_ACCEPT 5 625 #define LINUX_GETSOCKNAME 6 626 #define LINUX_GETPEERNAME 7 627 #define LINUX_SOCKETPAIR 8 628 #define LINUX_SEND 9 629 #define LINUX_RECV 10 630 #define LINUX_SENDTO 11 631 #define LINUX_RECVFROM 12 632 #define LINUX_SHUTDOWN 13 633 #define LINUX_SETSOCKOPT 14 634 #define LINUX_GETSOCKOPT 15 635 #define LINUX_SENDMSG 16 636 #define LINUX_RECVMSG 17 637 638 #define LINUX_SOL_SOCKET 1 639 #define LINUX_SOL_IP 0 640 #define LINUX_SOL_IPX 256 641 #define LINUX_SOL_AX25 257 642 #define LINUX_SOL_TCP 6 643 #define LINUX_SOL_UDP 17 644 645 #define LINUX_SO_DEBUG 1 646 #define LINUX_SO_REUSEADDR 2 647 #define LINUX_SO_TYPE 3 648 #define LINUX_SO_ERROR 4 649 #define LINUX_SO_DONTROUTE 5 650 #define LINUX_SO_BROADCAST 6 651 #define LINUX_SO_SNDBUF 7 652 #define LINUX_SO_RCVBUF 8 653 #define LINUX_SO_KEEPALIVE 9 654 #define LINUX_SO_OOBINLINE 10 655 #define LINUX_SO_NO_CHECK 11 656 #define LINUX_SO_PRIORITY 12 657 #define LINUX_SO_LINGER 13 658 #define LINUX_SO_PEERCRED 17 659 #define LINUX_SO_RCVLOWAT 18 660 #define LINUX_SO_SNDLOWAT 19 661 #define LINUX_SO_RCVTIMEO 20 662 #define LINUX_SO_SNDTIMEO 21 663 #define LINUX_SO_TIMESTAMP 29 664 #define LINUX_SO_ACCEPTCONN 30 665 666 #define LINUX_IP_TOS 1 667 #define LINUX_IP_TTL 2 668 #define LINUX_IP_HDRINCL 3 669 #define LINUX_IP_OPTIONS 4 670 671 #define LINUX_IP_MULTICAST_IF 32 672 #define LINUX_IP_MULTICAST_TTL 33 673 #define LINUX_IP_MULTICAST_LOOP 34 674 #define LINUX_IP_ADD_MEMBERSHIP 35 675 #define LINUX_IP_DROP_MEMBERSHIP 36 676 677 struct l_sockaddr { 678 l_ushort sa_family; 679 char sa_data[14]; 680 }; 681 682 struct l_msghdr { 683 l_uintptr_t msg_name; 684 l_int msg_namelen; 685 l_uintptr_t msg_iov; 686 l_size_t msg_iovlen; 687 l_uintptr_t msg_control; 688 l_size_t msg_controllen; 689 l_uint msg_flags; 690 }; 691 692 struct l_cmsghdr { 693 l_size_t cmsg_len; 694 l_int cmsg_level; 695 l_int cmsg_type; 696 }; 697 698 struct l_ifmap { 699 l_ulong mem_start; 700 l_ulong mem_end; 701 l_ushort base_addr; 702 u_char irq; 703 u_char dma; 704 u_char port; 705 }; 706 707 #define LINUX_IFHWADDRLEN 6 708 #define LINUX_IFNAMSIZ 16 709 710 struct l_ifreq { 711 union { 712 char ifrn_name[LINUX_IFNAMSIZ]; 713 } ifr_ifrn; 714 715 union { 716 struct l_sockaddr ifru_addr; 717 struct l_sockaddr ifru_dstaddr; 718 struct l_sockaddr ifru_broadaddr; 719 struct l_sockaddr ifru_netmask; 720 struct l_sockaddr ifru_hwaddr; 721 l_short ifru_flags[1]; 722 l_int ifru_metric; 723 l_int ifru_mtu; 724 struct l_ifmap ifru_map; 725 char ifru_slave[LINUX_IFNAMSIZ]; 726 l_caddr_t ifru_data; 727 } ifr_ifru; 728 }; 729 730 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 731 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 732 733 /* 734 * poll() 735 */ 736 #define LINUX_POLLIN 0x0001 737 #define LINUX_POLLPRI 0x0002 738 #define LINUX_POLLOUT 0x0004 739 #define LINUX_POLLERR 0x0008 740 #define LINUX_POLLHUP 0x0010 741 #define LINUX_POLLNVAL 0x0020 742 #define LINUX_POLLRDNORM 0x0040 743 #define LINUX_POLLRDBAND 0x0080 744 #define LINUX_POLLWRNORM 0x0100 745 #define LINUX_POLLWRBAND 0x0200 746 #define LINUX_POLLMSG 0x0400 747 748 struct l_pollfd { 749 l_int fd; 750 l_short events; 751 l_short revents; 752 }; 753 754 struct l_user_desc { 755 l_uint entry_number; 756 l_uint base_addr; 757 l_uint limit; 758 l_uint seg_32bit:1; 759 l_uint contents:2; 760 l_uint read_exec_only:1; 761 l_uint limit_in_pages:1; 762 l_uint seg_not_present:1; 763 l_uint useable:1; 764 }; 765 766 struct l_desc_struct { 767 unsigned long a, b; 768 }; 769 770 771 #define LINUX_LOWERWORD 0x0000ffff 772 773 /* 774 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 775 * These convert Linux user space descriptor to machine one. 776 */ 777 #define LINUX_LDT_entry_a(info) \ 778 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 779 ((info)->limit & LINUX_LOWERWORD)) 780 781 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 782 #define LINUX_ENTRY_B_CONTENTS 10 783 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 784 #define LINUX_ENTRY_B_BASE_ADDR 16 785 #define LINUX_ENTRY_B_USEABLE 20 786 #define LINUX_ENTRY_B_SEG32BIT 22 787 #define LINUX_ENTRY_B_LIMIT 23 788 789 #define LINUX_LDT_entry_b(info) \ 790 (((info)->base_addr & 0xff000000) | \ 791 ((info)->limit & 0xf0000) | \ 792 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 793 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 794 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 795 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 796 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 797 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 798 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 799 800 #define LINUX_LDT_empty(info) \ 801 ((info)->base_addr == 0 && \ 802 (info)->limit == 0 && \ 803 (info)->contents == 0 && \ 804 (info)->seg_not_present == 1 && \ 805 (info)->read_exec_only == 1 && \ 806 (info)->seg_32bit == 0 && \ 807 (info)->limit_in_pages == 0 && \ 808 (info)->useable == 0) 809 810 /* 811 * Macros for converting segments. 812 * They do the same as those in arch/i386/kernel/process.c in Linux. 813 */ 814 #define LINUX_GET_BASE(desc) \ 815 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 816 (((desc)->b << 16) & 0x00ff0000) | \ 817 ((desc)->b & 0xff000000)) 818 819 #define LINUX_GET_LIMIT(desc) \ 820 (((desc)->a & LINUX_LOWERWORD) | \ 821 ((desc)->b & 0xf0000)) 822 823 #define LINUX_GET_32BIT(desc) \ 824 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 825 #define LINUX_GET_CONTENTS(desc) \ 826 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 827 #define LINUX_GET_WRITABLE(desc) \ 828 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 829 #define LINUX_GET_LIMIT_PAGES(desc) \ 830 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 831 #define LINUX_GET_PRESENT(desc) \ 832 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 833 #define LINUX_GET_USEABLE(desc) \ 834 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 835 836 #define LINUX_CLOCK_REALTIME 0 837 #define LINUX_CLOCK_MONOTONIC 1 838 #define LINUX_CLOCK_PROCESS_CPUTIME_ID 2 839 #define LINUX_CLOCK_THREAD_CPUTIME_ID 3 840 #define LINUX_CLOCK_REALTIME_HR 4 841 #define LINUX_CLOCK_MONOTONIC_HR 5 842 843 typedef int l_timer_t; 844 typedef int l_mqd_t; 845 846 #define LINUX_CLONE_VM 0x00000100 847 #define LINUX_CLONE_FS 0x00000200 848 #define LINUX_CLONE_FILES 0x00000400 849 #define LINUX_CLONE_SIGHAND 0x00000800 850 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */ 851 #define LINUX_CLONE_VFORK 0x00004000 852 #define LINUX_CLONE_PARENT 0x00008000 853 #define LINUX_CLONE_THREAD 0x00010000 854 #define LINUX_CLONE_SETTLS 0x00080000 855 #define LINUX_CLONE_PARENT_SETTID 0x00100000 856 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000 857 #define LINUX_CLONE_CHILD_SETTID 0x01000000 858 859 #define LINUX_THREADING_FLAGS \ 860 (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \ 861 LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD) 862 863 /* robust futexes */ 864 struct linux_robust_list { 865 struct linux_robust_list *next; 866 }; 867 868 struct linux_robust_list_head { 869 struct linux_robust_list list; 870 l_long futex_offset; 871 struct linux_robust_list *pending_list; 872 }; 873 874 #endif /* !_I386_LINUX_H_ */
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