sys/emulation/linux/i386/linux.h

   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: src/sys/i386/linux/linux.h,v 1.41.2.4 2003/01/06 09:19:43 fjoe Exp $
  29  * $DragonFly: src/sys/emulation/linux/i386/linux.h,v 1.9 2006/10/23 21:50:32 dillon Exp $
  30  */
  31
  32 #ifndef _EMULATION_LINUX_ARCH_LINUX_H_
  33 #define _EMULATION_LINUX_ARCH_LINUX_H_
  34
  35 #include <sys/signal.h> /* for sigval union */
  36
  37 #include "linux_syscall.h"
  38
  39 /*
  40  * debugging support
  41  */
  42 extern u_char linux_debug_map[];
  43 #define ldebug(name)    isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
  44 #define ARGS(nm, fmt)   "linux(%ld): "#nm"("fmt")\n", (long)(curthread->td_proc ? curthread->td_proc->p_pid : -1)
  45 #define LMSG(fmt)       "linux(%ld): "fmt"\n", (long)(curthread->td_proc ? curthread->td_proc->p_pid : -1)
  46
  47 #if 0
  48 #define LINUX_DEBUG     1
  49 #endif
  50
  51 #ifdef MALLOC_DECLARE
  52 MALLOC_DECLARE(M_LINUX);
  53 #endif
  54
  55 #define PTRIN(v)        (void *)(v)
  56 #define PTROUT(v)       (l_uintptr_t)(v)
  57
  58 /*
  59  * Provide a separate set of types for the Linux types.
  60  */
  61 typedef int             l_int;
  62 typedef int32_t         l_long;
  63 typedef int64_t         l_longlong;
  64 typedef short           l_short;
  65 typedef unsigned int    l_uint;
  66 typedef uint32_t        l_ulong;
  67 typedef uint64_t        l_ulonglong;
  68 typedef unsigned short  l_ushort;
  69
  70 typedef l_ulong         l_uintptr_t;
  71 typedef char            *l_caddr_t;
  72 typedef l_long          l_clock_t;
  73 typedef l_int           l_daddr_t;
  74 typedef l_ushort        l_dev_t;
  75 typedef l_uint          l_gid_t;
  76 typedef l_ushort        l_gid16_t;
  77 typedef l_ulong         l_ino_t;
  78 typedef l_int           l_key_t;
  79 typedef l_longlong      l_loff_t;
  80 typedef l_ushort        l_mode_t;
  81 typedef l_long          l_off_t;
  82 typedef l_int           l_pid_t;
  83 typedef l_uint          l_size_t;
  84 typedef l_long          l_suseconds_t;
  85 typedef l_long          l_time_t;
  86 typedef l_uint          l_uid_t;
  87 typedef l_ushort        l_uid16_t;
  88 typedef l_int           l_timer_t;
  89 typedef l_int           l_mqd_t;
  90
  91 typedef struct {
  92         l_int           val[2];
  93 } l_fsid_t;
  94
  95 typedef struct {
  96         l_time_t        tv_sec;
  97         l_suseconds_t   tv_usec;
  98 } l_timeval;
  99
 100 #define l_fd_set        fd_set
 101
 102 /*
 103  * Miscellaneous
 104  */
 105 #define LINUX_NAME_MAX          255
 106 #define LINUX_MAX_UTSNAME       65
 107
 108 #define LINUX_CTL_MAXNAME       10
 109
 110 struct l___sysctl_args
 111 {
 112         l_int           *name;
 113         l_int           nlen;
 114         void            *oldval;
 115         l_size_t        *oldlenp;
 116         void            *newval;
 117         l_size_t        newlen;
 118         l_ulong         __spare[4];
 119 };
 120
 121 /* Scheduling policies */
 122 #define LINUX_SCHED_OTHER       0
 123 #define LINUX_SCHED_FIFO        1
 124 #define LINUX_SCHED_RR          2
 125
 126 /* Resource limits */
 127 #define LINUX_RLIMIT_CPU        0
 128 #define LINUX_RLIMIT_FSIZE      1
 129 #define LINUX_RLIMIT_DATA       2
 130 #define LINUX_RLIMIT_STACK      3
 131 #define LINUX_RLIMIT_CORE       4
 132 #define LINUX_RLIMIT_RSS        5
 133 #define LINUX_RLIMIT_NPROC      6
 134 #define LINUX_RLIMIT_NOFILE     7
 135 #define LINUX_RLIMIT_MEMLOCK    8
 136 #define LINUX_RLIMIT_AS         9       /* address space limit */
 137
 138 #define LINUX_RLIM_NLIMITS      10
 139
 140 struct l_rlimit {
 141         l_ulong rlim_cur;
 142         l_ulong rlim_max;
 143 };
 144
 145 /* mmap options */
 146 #define LINUX_MAP_SHARED        0x0001
 147 #define LINUX_MAP_PRIVATE       0x0002
 148 #define LINUX_MAP_FIXED         0x0010
 149 #define LINUX_MAP_ANON          0x0020
 150 #define LINUX_MAP_GROWSDOWN     0x0100
 151
 152 /*
 153  * stat family of syscalls
 154  */
 155 struct l_timespec {
 156         l_time_t        tv_sec;
 157         l_long          tv_nsec;
 158 };
 159
 160 struct l_newstat {
 161         l_ushort        st_dev;
 162         l_ushort        __pad1;
 163         l_ulong         st_ino;
 164         l_ushort        st_mode;
 165         l_ushort        st_nlink;
 166         l_ushort        st_uid;
 167         l_ushort        st_gid;
 168         l_ushort        st_rdev;
 169         l_ushort        __pad2;
 170         l_ulong         st_size;
 171         l_ulong         st_blksize;
 172         l_ulong         st_blocks;
 173         struct l_timespec       st_atimespec;
 174         struct l_timespec       st_mtimespec;
 175         struct l_timespec       st_ctimespec;
 176         l_ulong         __unused4;
 177         l_ulong         __unused5;
 178 };
 179
 180 struct l_stat64 {
 181         l_ushort        st_dev;
 182         u_char          __pad0[10];
 183         l_ulong         __st_ino;
 184         l_uint          st_mode;
 185         l_uint          st_nlink;
 186         l_ulong         st_uid;
 187         l_ulong         st_gid;
 188         l_ushort        st_rdev;
 189         u_char          __pad3[10];
 190         l_longlong      st_size;
 191         l_ulong         st_blksize;
 192         l_ulong         st_blocks;
 193         l_ulong         __pad4;
 194         struct l_timespec       st_atimespec;
 195         struct l_timespec       st_mtimespec;
 196         struct l_timespec       st_ctimespec;
 197         l_ulonglong     st_ino;
 198 };
 199
 200 struct l_statfs64 {
 201         l_int           f_type;
 202         l_int           f_bsize;
 203         uint64_t        f_blocks;
 204         uint64_t        f_bfree;
 205         uint64_t        f_bavail;
 206         uint64_t        f_files;
 207         uint64_t        f_ffree;
 208         l_fsid_t        f_fsid;
 209         l_int           f_namelen;
 210         l_int           f_spare[6];
 211 };
 212
 213 struct l_new_utsname {
 214         char    sysname[LINUX_MAX_UTSNAME];
 215         char    nodename[LINUX_MAX_UTSNAME];
 216         char    release[LINUX_MAX_UTSNAME];
 217         char    version[LINUX_MAX_UTSNAME];
 218         char    machine[LINUX_MAX_UTSNAME];
 219         char    domainname[LINUX_MAX_UTSNAME];
 220 };
 221
 222 /*
 223  * Signalling
 224  */
 225 #define LINUX_SIGHUP            1
 226 #define LINUX_SIGINT            2
 227 #define LINUX_SIGQUIT           3
 228 #define LINUX_SIGILL            4
 229 #define LINUX_SIGTRAP           5
 230 #define LINUX_SIGABRT           6
 231 #define LINUX_SIGIOT            LINUX_SIGABRT
 232 #define LINUX_SIGBUS            7
 233 #define LINUX_SIGFPE            8
 234 #define LINUX_SIGKILL           9
 235 #define LINUX_SIGUSR1           10
 236 #define LINUX_SIGSEGV           11
 237 #define LINUX_SIGUSR2           12
 238 #define LINUX_SIGPIPE           13
 239 #define LINUX_SIGALRM           14
 240 #define LINUX_SIGTERM           15
 241 #define LINUX_SIGSTKFLT         16
 242 #define LINUX_SIGCHLD           17
 243 #define LINUX_SIGCONT           18
 244 #define LINUX_SIGSTOP           19
 245 #define LINUX_SIGTSTP           20
 246 #define LINUX_SIGTTIN           21
 247 #define LINUX_SIGTTOU           22
 248 #define LINUX_SIGURG            23
 249 #define LINUX_SIGXCPU           24
 250 #define LINUX_SIGXFSZ           25
 251 #define LINUX_SIGVTALRM         26
 252 #define LINUX_SIGPROF           27
 253 #define LINUX_SIGWINCH          28
 254 #define LINUX_SIGIO             29
 255 #define LINUX_SIGPOLL           LINUX_SIGIO
 256 #define LINUX_SIGPWR            30
 257 #define LINUX_SIGSYS            31
 258
 259 #define LINUX_SIGTBLSZ          31
 260 #define LINUX_NSIG_WORDS        2
 261 #define LINUX_NBPW              32
 262 #define LINUX_NSIG              (LINUX_NBPW * LINUX_NSIG_WORDS)
 263
 264 /* sigaction flags */
 265 #define LINUX_SA_NOCLDSTOP      0x00000001
 266 #define LINUX_SA_NOCLDWAIT      0x00000002
 267 #define LINUX_SA_SIGINFO        0x00000004
 268 #define LINUX_SA_RESTORER       0x04000000
 269 #define LINUX_SA_ONSTACK        0x08000000
 270 #define LINUX_SA_RESTART        0x10000000
 271 #define LINUX_SA_INTERRUPT      0x20000000
 272 #define LINUX_SA_NOMASK         0x40000000
 273 #define LINUX_SA_ONESHOT        0x80000000
 274
 275 /* sigprocmask actions */
 276 #define LINUX_SIG_BLOCK         0
 277 #define LINUX_SIG_UNBLOCK       1
 278 #define LINUX_SIG_SETMASK       2
 279
 280 /* sigset_t macros */
 281 #define LINUX_SIGEMPTYSET(set)          (set).__bits[0] = (set).__bits[1] = 0
 282 #define LINUX_SIGISMEMBER(set, sig)     SIGISMEMBER(set, sig)
 283 #define LINUX_SIGADDSET(set, sig)       SIGADDSET(set, sig)
 284
 285 /* sigaltstack */
 286 #define LINUX_MINSIGSTKSZ       2048
 287 #define LINUX_SS_ONSTACK        1
 288 #define LINUX_SS_DISABLE        2
 289
 290 int linux_to_bsd_sigaltstack(int lsa);
 291 int bsd_to_linux_sigaltstack(int bsa);
 292
 293 typedef void    (*l_handler_t)(l_int);
 294 typedef l_ulong l_osigset_t;
 295
 296 typedef struct {
 297         l_uint  __bits[LINUX_NSIG_WORDS];
 298 } l_sigset_t;
 299
 300 typedef struct {
 301         l_handler_t     lsa_handler;
 302         l_osigset_t     lsa_mask;
 303         l_ulong         lsa_flags;
 304         void    (*lsa_restorer)(void);
 305 } l_osigaction_t;
 306
 307 typedef struct {
 308         l_handler_t     lsa_handler;
 309         l_ulong         lsa_flags;
 310         void    (*lsa_restorer)(void);
 311         l_sigset_t      lsa_mask;
 312 } l_sigaction_t;
 313
 314 typedef struct {
 315         void            *ss_sp;
 316         l_int           ss_flags;
 317         l_size_t        ss_size;
 318 } l_stack_t;
 319
 320 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
 321 struct l_sigcontext {
 322         l_int           sc_gs;
 323         l_int           sc_fs;
 324         l_int           sc_es;
 325         l_int           sc_ds;
 326         l_int           sc_edi;
 327         l_int           sc_esi;
 328         l_int           sc_ebp;
 329         l_int           sc_esp;
 330         l_int           sc_ebx;
 331         l_int           sc_edx;
 332         l_int           sc_ecx;
 333         l_int           sc_eax;
 334         l_int           sc_trapno;
 335         l_int           sc_err;
 336         l_int           sc_eip;
 337         l_int           sc_cs;
 338         l_int           sc_eflags;
 339         l_int           sc_esp_at_signal;
 340         l_int           sc_ss;
 341         l_int           sc_387;
 342         l_int           sc_mask;
 343         l_int           sc_cr2;
 344 };
 345
 346 struct l_ucontext {
 347         l_ulong         uc_flags;
 348         void            *uc_link;
 349         l_stack_t       uc_stack;
 350         struct l_sigcontext     uc_mcontext;
 351         l_sigset_t      uc_sigmask;
 352 };
 353
 354 #define LINUX_SI_MAX_SIZE     128
 355 #define LINUX_SI_PAD_SIZE     ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
 356
 357 typedef struct l_siginfo {
 358         l_int           lsi_signo;
 359         l_int           lsi_errno;
 360         l_int           lsi_code;
 361         union {
 362                 l_int   _pad[LINUX_SI_PAD_SIZE];
 363
 364                 struct {
 365                         l_pid_t         _pid;
 366                         l_uid16_t       _uid;
 367                 } _kill;
 368
 369                 struct {
 370                         l_uint          _timer1;
 371                         l_uint          _timer2;
 372                 } _timer;
 373
 374                 struct {
 375                         l_pid_t         _pid;           /* sender's pid */
 376                         l_uid16_t       _uid;           /* sender's uid */
 377                         union sigval _sigval;
 378                 } _rt;
 379
 380                 struct {
 381                         l_pid_t         _pid;           /* which child */
 382                         l_uid16_t       _uid;           /* sender's uid */
 383                         l_int           _status;        /* exit code */
 384                         l_clock_t       _utime;
 385                         l_clock_t       _stime;
 386                 } _sigchld;
 387
 388                 struct {
 389                         void            *_addr; /* faulting insn/memory ref. */
 390                 } _sigfault;
 391
 392                 struct {
 393                         l_int           _band;  /* POLL_IN,POLL_OUT,POLL_MSG */
 394                         l_int           _fd;
 395                 } _sigpoll;
 396         } _sifields;
 397 } l_siginfo_t;
 398
 399 #define lsi_pid          _sifields._kill._pid
 400 #define lsi_uid          _sifields._kill._uid
 401 #define lsi_status       _sifields._sigchld._status
 402 #define lsi_utime        _sifields._sigchld._utime
 403 #define lsi_stime        _sifields._sigchld._stime
 404 #define lsi_value        _sifields._rt._sigval
 405 #define lsi_int          _sifields._rt._sigval.sival_int
 406 #define lsi_ptr          _sifields._rt._sigval.sival_ptr
 407 #define lsi_addr         _sifields._sigfault._addr
 408 #define lsi_band         _sifields._sigpoll._band
 409 #define lsi_fd           _sifields._sigpoll._fd
 410
 411 struct l_fpreg {
 412         u_int16_t significand[4];
 413         u_int16_t exponent;
 414 };
 415
 416 struct l_fpxreg {
 417         u_int16_t significand[4];
 418         u_int16_t exponent;
 419         u_int16_t padding[3];
 420 };
 421
 422 struct l_xmmreg {
 423         u_int32_t element[4];
 424 };
 425
 426 struct l_fpstate {
 427         /* Regular FPU environment */
 428         u_int32_t               cw;
 429         u_int32_t               sw;
 430         u_int32_t               tag;
 431         u_int32_t               ipoff;
 432         u_int32_t               cssel;
 433         u_int32_t               dataoff;
 434         u_int32_t               datasel;
 435         struct l_fpreg          _st[8];
 436         u_int16_t               status;
 437         u_int16_t               magic;  /* 0xffff = regular FPU data */
 438
 439         /* FXSR FPU environment */
 440         u_int32_t               _fxsr_env[6]; /* env is ignored */
 441         u_int32_t               mxcsr;
 442         u_int32_t               reserved;
 443         struct l_fpxreg         _fxsr_st[8];  /* reg data is ignored */
 444         struct l_xmmreg         _xmm[8];
 445         u_int32_t               padding[56];
 446 };
 447
 448 /*
 449  * We make the stack look like Linux expects it when calling a signal
 450  * handler, but use the BSD way of calling the handler and sigreturn().
 451  * This means that we need to pass the pointer to the handler too.
 452  * It is appended to the frame to not interfere with the rest of it.
 453  */
 454 struct l_sigframe {
 455         l_int                   sf_sig;
 456         struct l_sigcontext     sf_sc;
 457         struct l_fpstate        sf_fpstate;
 458         l_uint                  sf_extramask[LINUX_NSIG_WORDS-1];
 459         l_handler_t             sf_handler;
 460 };
 461
 462 struct l_rt_sigframe {
 463         l_int                   sf_sig;
 464         l_siginfo_t             *sf_siginfo;
 465         struct l_ucontext       *sf_ucontext;
 466         l_siginfo_t             sf_si;
 467         struct l_ucontext       sf_sc;
 468         l_handler_t             sf_handler;
 469 };
 470
 471 extern int bsd_to_linux_signal[];
 472 extern int linux_to_bsd_signal[];
 473 extern struct sysentvec linux_sysvec;
 474 extern struct sysentvec elf_linux_sysvec;
 475
 476 /*
 477  * Pluggable ioctl handlers
 478  */
 479
 480 extern struct ioctl_map linux_ioctl_map;
 481
 482 /*
 483  * open/fcntl flags
 484  */
 485 #define LINUX_O_RDONLY          00
 486 #define LINUX_O_WRONLY          01
 487 #define LINUX_O_RDWR            02
 488 #define LINUX_O_CREAT           0100
 489 #define LINUX_O_EXCL            0200
 490 #define LINUX_O_NOCTTY          0400
 491 #define LINUX_O_TRUNC           01000
 492 #define LINUX_O_APPEND          02000
 493 #define LINUX_O_NONBLOCK        04000
 494 #define LINUX_O_NDELAY          LINUX_O_NONBLOCK
 495 #define LINUX_O_SYNC            010000
 496 #define LINUX_FASYNC            020000
 497
 498 #define LINUX_F_DUPFD           0
 499 #define LINUX_F_GETFD           1
 500 #define LINUX_F_SETFD           2
 501 #define LINUX_F_GETFL           3
 502 #define LINUX_F_SETFL           4
 503 #define LINUX_F_GETLK           5
 504 #define LINUX_F_SETLK           6
 505 #define LINUX_F_SETLKW          7
 506 #define LINUX_F_SETOWN          8
 507 #define LINUX_F_GETOWN          9
 508
 509 #define LINUX_F_GETLK64         12
 510 #define LINUX_F_SETLK64         13
 511 #define LINUX_F_SETLKW64        14
 512
 513 #define LINUX_F_RDLCK           0
 514 #define LINUX_F_WRLCK           1
 515 #define LINUX_F_UNLCK           2
 516
 517 /*
 518  * mount flags
 519  */
 520 #define LINUX_MS_RDONLY         0x0001
 521 #define LINUX_MS_NOSUID         0x0002
 522 #define LINUX_MS_NODEV          0x0004
 523 #define LINUX_MS_NOEXEC         0x0008
 524 #define LINUX_MS_REMOUNT        0x0020
 525
 526 /*
 527  * SystemV IPC defines
 528  */
 529 #define LINUX_SEMOP             1
 530 #define LINUX_SEMGET            2
 531 #define LINUX_SEMCTL            3
 532 #define LINUX_MSGSND            11
 533 #define LINUX_MSGRCV            12
 534 #define LINUX_MSGGET            13
 535 #define LINUX_MSGCTL            14
 536 #define LINUX_SHMAT             21
 537 #define LINUX_SHMDT             22
 538 #define LINUX_SHMGET            23
 539 #define LINUX_SHMCTL            24
 540
 541 #define LINUX_IPC_RMID          0
 542 #define LINUX_IPC_SET           1
 543 #define LINUX_IPC_STAT          2
 544 #define LINUX_IPC_INFO          3
 545
 546 #define LINUX_SHM_LOCK          11
 547 #define LINUX_SHM_UNLOCK        12
 548 #define LINUX_SHM_STAT          13
 549 #define LINUX_SHM_INFO          14
 550
 551 #define LINUX_SHM_RDONLY        0x1000
 552 #define LINUX_SHM_RND           0x2000
 553 #define LINUX_SHM_REMAP         0x4000
 554
 555 /* semctl commands */
 556 #define LINUX_GETPID            11
 557 #define LINUX_GETVAL            12
 558 #define LINUX_GETALL            13
 559 #define LINUX_GETNCNT           14
 560 #define LINUX_GETZCNT           15
 561 #define LINUX_SETVAL            16
 562 #define LINUX_SETALL            17
 563 #define LINUX_SEM_STAT          18
 564 #define LINUX_SEM_INFO          19
 565
 566 union l_semun {
 567         l_int           val;
 568         struct l_semid_ds       *buf;
 569         l_ushort        *array;
 570         struct l_seminfo        *__buf;
 571         void            *__pad;
 572 };
 573
 574 /*
 575  * Socket defines
 576  */
 577 #define LINUX_SOCKET            1
 578 #define LINUX_BIND              2
 579 #define LINUX_CONNECT           3
 580 #define LINUX_LISTEN            4
 581 #define LINUX_ACCEPT            5
 582 #define LINUX_GETSOCKNAME       6
 583 #define LINUX_GETPEERNAME       7
 584 #define LINUX_SOCKETPAIR        8
 585 #define LINUX_SEND              9
 586 #define LINUX_RECV              10
 587 #define LINUX_SENDTO            11
 588 #define LINUX_RECVFROM          12
 589 #define LINUX_SHUTDOWN          13
 590 #define LINUX_SETSOCKOPT        14
 591 #define LINUX_GETSOCKOPT        15
 592 #define LINUX_SENDMSG           16
 593 #define LINUX_RECVMSG           17
 594
 595 #define LINUX_AF_UNSPEC         0
 596 #define LINUX_AF_UNIX           1
 597 #define LINUX_AF_INET           2
 598 #define LINUX_AF_AX25           3
 599 #define LINUX_AF_IPX            4
 600 #define LINUX_AF_APPLETALK      5
 601
 602 #define LINUX_SOL_SOCKET        1
 603 #define LINUX_SOL_IP            0
 604 #define LINUX_SOL_IPX           256
 605 #define LINUX_SOL_AX25          257
 606 #define LINUX_SOL_TCP           6
 607 #define LINUX_SOL_UDP           17
 608
 609 #define LINUX_SO_DEBUG          1
 610 #define LINUX_SO_REUSEADDR      2
 611 #define LINUX_SO_TYPE           3
 612 #define LINUX_SO_ERROR          4
 613 #define LINUX_SO_DONTROUTE      5
 614 #define LINUX_SO_BROADCAST      6
 615 #define LINUX_SO_SNDBUF         7
 616 #define LINUX_SO_RCVBUF         8
 617 #define LINUX_SO_KEEPALIVE      9
 618 #define LINUX_SO_OOBINLINE      10
 619 #define LINUX_SO_NO_CHECK       11
 620 #define LINUX_SO_PRIORITY       12
 621 #define LINUX_SO_LINGER         13
 622 #define LINUX_SO_PEERCRED       17
 623 #define LINUX_SO_RCVLOWAT       18
 624 #define LINUX_SO_SNDLOWAT       19
 625 #define LINUX_SO_RCVTIMEO       20
 626 #define LINUX_SO_SNDTIMEO       21
 627 #define LINUX_SO_TIMESTAMP      29
 628 #define LINUX_SO_ACCEPTCONN     30
 629
 630 #define LINUX_IP_TOS            1
 631 #define LINUX_IP_TTL            2
 632 #define LINUX_IP_HDRINCL        3
 633 #define LINUX_IP_OPTIONS        4
 634
 635 #define LINUX_IP_MULTICAST_IF           32
 636 #define LINUX_IP_MULTICAST_TTL          33
 637 #define LINUX_IP_MULTICAST_LOOP         34
 638 #define LINUX_IP_ADD_MEMBERSHIP         35
 639 #define LINUX_IP_DROP_MEMBERSHIP        36
 640
 641 struct l_sockaddr {
 642         l_ushort        sa_family;
 643         char            sa_data[14];
 644 };
 645
 646 struct l_ifmap {
 647         l_ulong         mem_start;
 648         l_ulong         mem_end;
 649         l_ushort        base_addr;
 650         u_char          irq;
 651         u_char          dma;
 652         u_char          port;
 653 };
 654
 655 #define LINUX_IFHWADDRLEN       6
 656 #define LINUX_IFNAMSIZ          16
 657
 658 struct l_ifreq {
 659         union {
 660                 char    ifrn_name[LINUX_IFNAMSIZ];
 661         } ifr_ifrn;
 662
 663         union {
 664                 struct l_sockaddr       ifru_addr;
 665                 struct l_sockaddr       ifru_dstaddr;
 666                 struct l_sockaddr       ifru_broadaddr;
 667                 struct l_sockaddr       ifru_netmask;
 668                 struct l_sockaddr       ifru_hwaddr;
 669                 l_short         ifru_flags[1];
 670                 l_int           ifru_metric;
 671                 l_int           ifru_ivalue;
 672                 l_int           ifru_mtu;
 673                 struct l_ifmap  ifru_map;
 674                 char            ifru_slave[LINUX_IFNAMSIZ];
 675                 l_caddr_t       ifru_data;
 676         } ifr_ifru;
 677 };
 678
 679 #define ifr_name        ifr_ifrn.ifrn_name      /* interface name */
 680 #define ifr_hwaddr      ifr_ifru.ifru_hwaddr    /* MAC address */
 681 #define ifr_ifindex     ifr_ifru.ifru_ivalue    /* Interface index */
 682 #define ifr_ifmetric    ifr_ifru.ifru_metric    /* Interface index */
 683
 684 /*
 685  * poll()
 686  */
 687 #define LINUX_POLLIN            0x0001
 688 #define LINUX_POLLPRI           0x0002
 689 #define LINUX_POLLOUT           0x0004
 690 #define LINUX_POLLERR           0x0008
 691 #define LINUX_POLLHUP           0x0010
 692 #define LINUX_POLLNVAL          0x0020
 693 #define LINUX_POLLRDNORM        0x0040
 694 #define LINUX_POLLRDBAND        0x0080
 695 #define LINUX_POLLWRNORM        0x0100
 696 #define LINUX_POLLWRBAND        0x0200
 697 #define LINUX_POLLMSG           0x0400
 698
 699 struct l_pollfd {
 700         l_int           fd;
 701         l_short         events;
 702         l_short         revents;
 703 };
 704
 705 struct l_user_desc {
 706         l_uint          entry_number;
 707         l_uint          base_addr;
 708         l_uint          limit;
 709         l_uint          seg_32bit:1;
 710         l_uint          contents:2;
 711         l_uint          read_exec_only:1;
 712         l_uint          limit_in_pages:1;
 713         l_uint          seg_not_present:1;
 714         l_uint          useable:1;
 715 };
 716
 717 struct l_desc_struct {
 718         unsigned long   a, b;
 719 };
 720
 721
 722 #define LINUX_LOWERWORD 0x0000ffff
 723
 724 /*
 725  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
 726  * These convert Linux user space descriptor to machine one.
 727  */
 728 #define LINUX_LDT_entry_a(info)                                 \
 729         ((((info)->base_addr & LINUX_LOWERWORD) << 16) |        \
 730         ((info)->limit & LINUX_LOWERWORD))
 731
 732 #define LINUX_ENTRY_B_READ_EXEC_ONLY    9
 733 #define LINUX_ENTRY_B_CONTENTS          10
 734 #define LINUX_ENTRY_B_SEG_NOT_PRESENT   15
 735 #define LINUX_ENTRY_B_BASE_ADDR         16
 736 #define LINUX_ENTRY_B_USEABLE           20
 737 #define LINUX_ENTRY_B_SEG32BIT          22
 738 #define LINUX_ENTRY_B_LIMIT             23
 739
 740 #define LINUX_LDT_entry_b(info)                                                 \
 741         (((info)->base_addr & 0xff000000) |                                     \
 742         ((info)->limit & 0xf0000) |                                             \
 743         ((info)->contents << LINUX_ENTRY_B_CONTENTS) |                          \
 744         (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |     \
 745         (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |         \
 746         (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |       \
 747         ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |                         \
 748         ((info)->useable << LINUX_ENTRY_B_USEABLE) |                            \
 749         ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
 750
 751 #define LINUX_LDT_empty(info)           \
 752         ((info)->base_addr == 0 &&      \
 753         (info)->limit == 0 &&           \
 754         (info)->contents == 0 &&        \
 755         (info)->seg_not_present == 1 && \
 756         (info)->read_exec_only == 1 &&  \
 757         (info)->seg_32bit == 0 &&       \
 758         (info)->limit_in_pages == 0 &&  \
 759         (info)->useable == 0)
 760
 761 /*
 762  * Macros for converting segments.
 763  * They do the same as those in arch/i386/kernel/process.c in Linux.
 764  */
 765 #define LINUX_GET_BASE(desc)                            \
 766         ((((desc)->a >> 16) & LINUX_LOWERWORD) |        \
 767         (((desc)->b << 16) & 0x00ff0000) |              \
 768         ((desc)->b & 0xff000000))
 769
 770 #define LINUX_GET_LIMIT(desc)                   \
 771         (((desc)->a & LINUX_LOWERWORD) |        \
 772         ((desc)->b & 0xf0000))
 773
 774 #define LINUX_GET_32BIT(desc)           \
 775         (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
 776 #define LINUX_GET_CONTENTS(desc)        \
 777         (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
 778 #define LINUX_GET_WRITABLE(desc)        \
 779         (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
 780 #define LINUX_GET_LIMIT_PAGES(desc)     \
 781         (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
 782 #define LINUX_GET_PRESENT(desc)         \
 783         (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
 784 #define LINUX_GET_USEABLE(desc)         \
 785         (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
 786
 787 #define LINUX_CLOCK_REALTIME            0
 788 #define LINUX_CLOCK_MONOTONIC           1
 789 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
 790 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
 791 #define LINUX_CLOCK_REALTIME_HR         4
 792 #define LINUX_CLOCK_MONOTONIC_HR        5
 793
 794 #define LINUX_CLONE_VM                  0x00000100
 795 #define LINUX_CLONE_FS                  0x00000200
 796 #define LINUX_CLONE_FILES               0x00000400
 797 #define LINUX_CLONE_SIGHAND             0x00000800
 798 #define LINUX_CLONE_PID                 0x00001000      /* No longer exist in Linux */
 799 #define LINUX_CLONE_VFORK               0x00004000
 800 #define LINUX_CLONE_PARENT              0x00008000
 801 #define LINUX_CLONE_THREAD              0x00010000
 802 #define LINUX_CLONE_SETTLS              0x00080000
 803 #define LINUX_CLONE_PARENT_SETTID       0x00100000
 804 #define LINUX_CLONE_CHILD_CLEARTID      0x00200000
 805 #define LINUX_CLONE_CHILD_SETTID        0x01000000
 806
 807 #define LINUX_THREADING_FLAGS                                   \
 808         (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |  \
 809         LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
 810
 811 #define LINUX_AT_FDCWD                  -100
 812 #define LINUX_AT_SYMLINK_NOFOLLOW       0x100
 813 #define LINUX_AT_REMOVEDIR              0x200
 814
 815 #define LINUX_MREMAP_MAYMOVE    1
 816 #define LINUX_MREMAP_FIXED      2
 817
 818 #define LINUX_UTIME_NOW (-1)
 819 #define LINUX_UTIME_OMIT (-2)
 820 #endif /* !_EMULATION_LINUX_ARCH_LINUX_H_ */