The Design and Implementation of the FreeBSD Operating System, Second Edition
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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