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: releng/9.1/sys/i386/linux/linux.h 231145 2012-02-07 19:11:54Z jhb $
   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 LINUX_SHAREDPAGE        (VM_MAXUSER_ADDRESS - PAGE_SIZE)
   51 #define LINUX_USRSTACK          LINUX_SHAREDPAGE
   52 
   53 #define PTRIN(v)        (void *)(v)
   54 #define PTROUT(v)       (l_uintptr_t)(v)
   55 
   56 /*
   57  * Provide a separate set of types for the Linux types.
   58  */
   59 typedef int             l_int;
   60 typedef int32_t         l_long;
   61 typedef int64_t         l_longlong;
   62 typedef short           l_short;
   63 typedef unsigned int    l_uint;
   64 typedef uint32_t        l_ulong;
   65 typedef uint64_t        l_ulonglong;
   66 typedef unsigned short  l_ushort;
   67 
   68 typedef char            *l_caddr_t;
   69 typedef l_ulong         l_uintptr_t;
   70 typedef l_long          l_clock_t;
   71 typedef l_int           l_daddr_t;
   72 typedef l_ushort        l_dev_t;
   73 typedef l_uint          l_gid_t;
   74 typedef l_ushort        l_gid16_t;
   75 typedef l_ulong         l_ino_t;
   76 typedef l_int           l_key_t;
   77 typedef l_longlong      l_loff_t;
   78 typedef l_ushort        l_mode_t;
   79 typedef l_long          l_off_t;
   80 typedef l_int           l_pid_t;
   81 typedef l_uint          l_size_t;
   82 typedef l_long          l_suseconds_t;
   83 typedef l_long          l_time_t;
   84 typedef l_uint          l_uid_t;
   85 typedef l_ushort        l_uid16_t;
   86 typedef l_int           l_timer_t;
   87 typedef l_int           l_mqd_t;
   88 
   89 typedef struct {
   90         l_int           val[2];
   91 } l_fsid_t;
   92 
   93 typedef struct {
   94         l_time_t        tv_sec;
   95         l_suseconds_t   tv_usec;
   96 } l_timeval;
   97 
   98 #define l_fd_set        fd_set
   99 
  100 /*
  101  * Miscellaneous
  102  */
  103 #define LINUX_NAME_MAX          255
  104 #define LINUX_MAX_UTSNAME       65
  105 
  106 #define LINUX_CTL_MAXNAME       10
  107 
  108 #define LINUX_AT_COUNT          16      /* Count of used aux entry types.
  109                                          * Keep this synchronized with
  110                                          * elf_linux_fixup() code.
  111                                          */
  112 struct l___sysctl_args
  113 {
  114         l_int           *name;
  115         l_int           nlen;
  116         void            *oldval;
  117         l_size_t        *oldlenp;
  118         void            *newval;
  119         l_size_t        newlen;
  120         l_ulong         __spare[4];
  121 };
  122 
  123 /* Scheduling policies */
  124 #define LINUX_SCHED_OTHER       0
  125 #define LINUX_SCHED_FIFO        1
  126 #define LINUX_SCHED_RR          2
  127 
  128 /* Resource limits */
  129 #define LINUX_RLIMIT_CPU        0
  130 #define LINUX_RLIMIT_FSIZE      1
  131 #define LINUX_RLIMIT_DATA       2
  132 #define LINUX_RLIMIT_STACK      3
  133 #define LINUX_RLIMIT_CORE       4
  134 #define LINUX_RLIMIT_RSS        5
  135 #define LINUX_RLIMIT_NPROC      6
  136 #define LINUX_RLIMIT_NOFILE     7
  137 #define LINUX_RLIMIT_MEMLOCK    8
  138 #define LINUX_RLIMIT_AS         9       /* Address space limit */
  139 
  140 #define LINUX_RLIM_NLIMITS      10
  141 
  142 struct l_rlimit {
  143         l_ulong rlim_cur;
  144         l_ulong rlim_max;
  145 };
  146 
  147 /* mmap options */
  148 #define LINUX_MAP_SHARED        0x0001
  149 #define LINUX_MAP_PRIVATE       0x0002
  150 #define LINUX_MAP_FIXED         0x0010
  151 #define LINUX_MAP_ANON          0x0020
  152 #define LINUX_MAP_GROWSDOWN     0x0100
  153 
  154 struct l_mmap_argv {
  155         l_uintptr_t     addr;
  156         l_size_t        len;
  157         l_int           prot;
  158         l_int           flags;
  159         l_int           fd;
  160         l_off_t         pgoff;
  161 } __packed;
  162 
  163 /*
  164  * stat family of syscalls
  165  */
  166 struct l_timespec {
  167         l_time_t        tv_sec;
  168         l_long          tv_nsec;
  169 };
  170 
  171 struct l_newstat {
  172         l_ushort        st_dev;
  173         l_ushort        __pad1;
  174         l_ulong         st_ino;
  175         l_ushort        st_mode;
  176         l_ushort        st_nlink;
  177         l_ushort        st_uid;
  178         l_ushort        st_gid;
  179         l_ushort        st_rdev;
  180         l_ushort        __pad2;
  181         l_ulong         st_size;
  182         l_ulong         st_blksize;
  183         l_ulong         st_blocks;
  184         struct l_timespec       st_atim;
  185         struct l_timespec       st_mtim;
  186         struct l_timespec       st_ctim;
  187         l_ulong         __unused4;
  188         l_ulong         __unused5;
  189 };
  190 
  191 struct l_stat {
  192         l_ushort        st_dev;
  193         l_ulong         st_ino;
  194         l_ushort        st_mode;
  195         l_ushort        st_nlink;
  196         l_ushort        st_uid;
  197         l_ushort        st_gid;
  198         l_ushort        st_rdev;
  199         l_long          st_size;
  200         struct l_timespec       st_atim;
  201         struct l_timespec       st_mtim;
  202         struct l_timespec       st_ctim;
  203         l_long          st_blksize;
  204         l_long          st_blocks;
  205         l_ulong         st_flags;
  206         l_ulong         st_gen;
  207 };
  208 
  209 struct l_stat64 {
  210         l_ushort        st_dev;
  211         u_char          __pad0[10];
  212         l_ulong         __st_ino;
  213         l_uint          st_mode;
  214         l_uint          st_nlink;
  215         l_ulong         st_uid;
  216         l_ulong         st_gid;
  217         l_ushort        st_rdev;
  218         u_char          __pad3[10];
  219         l_longlong      st_size;
  220         l_ulong         st_blksize;
  221         l_ulong         st_blocks;
  222         l_ulong         __pad4;
  223         struct l_timespec       st_atim;
  224         struct l_timespec       st_mtim;
  225         struct l_timespec       st_ctim;
  226         l_ulonglong     st_ino;
  227 };
  228 
  229 struct l_statfs64 { 
  230         l_int           f_type; 
  231         l_int           f_bsize; 
  232         uint64_t        f_blocks; 
  233         uint64_t        f_bfree; 
  234         uint64_t        f_bavail; 
  235         uint64_t        f_files; 
  236         uint64_t        f_ffree; 
  237         l_fsid_t        f_fsid;
  238         l_int           f_namelen;
  239         l_int           f_spare[6];
  240 };
  241 
  242 struct l_new_utsname {
  243         char    sysname[LINUX_MAX_UTSNAME];
  244         char    nodename[LINUX_MAX_UTSNAME];
  245         char    release[LINUX_MAX_UTSNAME];
  246         char    version[LINUX_MAX_UTSNAME];
  247         char    machine[LINUX_MAX_UTSNAME];
  248         char    domainname[LINUX_MAX_UTSNAME];
  249 };
  250 
  251 /*
  252  * Signalling
  253  */
  254 #define LINUX_SIGHUP            1
  255 #define LINUX_SIGINT            2
  256 #define LINUX_SIGQUIT           3
  257 #define LINUX_SIGILL            4
  258 #define LINUX_SIGTRAP           5
  259 #define LINUX_SIGABRT           6
  260 #define LINUX_SIGIOT            LINUX_SIGABRT
  261 #define LINUX_SIGBUS            7
  262 #define LINUX_SIGFPE            8
  263 #define LINUX_SIGKILL           9
  264 #define LINUX_SIGUSR1           10
  265 #define LINUX_SIGSEGV           11
  266 #define LINUX_SIGUSR2           12
  267 #define LINUX_SIGPIPE           13
  268 #define LINUX_SIGALRM           14
  269 #define LINUX_SIGTERM           15
  270 #define LINUX_SIGSTKFLT         16
  271 #define LINUX_SIGCHLD           17
  272 #define LINUX_SIGCONT           18
  273 #define LINUX_SIGSTOP           19
  274 #define LINUX_SIGTSTP           20
  275 #define LINUX_SIGTTIN           21
  276 #define LINUX_SIGTTOU           22
  277 #define LINUX_SIGURG            23
  278 #define LINUX_SIGXCPU           24
  279 #define LINUX_SIGXFSZ           25
  280 #define LINUX_SIGVTALRM         26
  281 #define LINUX_SIGPROF           27
  282 #define LINUX_SIGWINCH          28
  283 #define LINUX_SIGIO             29
  284 #define LINUX_SIGPOLL           LINUX_SIGIO
  285 #define LINUX_SIGPWR            30
  286 #define LINUX_SIGSYS            31
  287 #define LINUX_SIGRTMIN          32
  288 
  289 #define LINUX_SIGTBLSZ          31
  290 #define LINUX_NSIG_WORDS        2
  291 #define LINUX_NBPW              32
  292 #define LINUX_NSIG              (LINUX_NBPW * LINUX_NSIG_WORDS)
  293 
  294 /* sigaction flags */
  295 #define LINUX_SA_NOCLDSTOP      0x00000001
  296 #define LINUX_SA_NOCLDWAIT      0x00000002
  297 #define LINUX_SA_SIGINFO        0x00000004
  298 #define LINUX_SA_RESTORER       0x04000000
  299 #define LINUX_SA_ONSTACK        0x08000000
  300 #define LINUX_SA_RESTART        0x10000000
  301 #define LINUX_SA_INTERRUPT      0x20000000
  302 #define LINUX_SA_NOMASK         0x40000000
  303 #define LINUX_SA_ONESHOT        0x80000000
  304 
  305 /* sigprocmask actions */
  306 #define LINUX_SIG_BLOCK         0
  307 #define LINUX_SIG_UNBLOCK       1
  308 #define LINUX_SIG_SETMASK       2
  309 
  310 /* sigset_t macros */
  311 #define LINUX_SIGEMPTYSET(set)          (set).__bits[0] = (set).__bits[1] = 0
  312 #define LINUX_SIGISMEMBER(set, sig)     SIGISMEMBER(set, sig)
  313 #define LINUX_SIGADDSET(set, sig)       SIGADDSET(set, sig)
  314 
  315 /* sigaltstack */
  316 #define LINUX_MINSIGSTKSZ       2048
  317 #define LINUX_SS_ONSTACK        1
  318 #define LINUX_SS_DISABLE        2
  319 
  320 int linux_to_bsd_sigaltstack(int lsa);
  321 int bsd_to_linux_sigaltstack(int bsa);
  322 
  323 typedef void    (*l_handler_t)(l_int);
  324 typedef l_ulong l_osigset_t;
  325 
  326 typedef struct {
  327         l_uint  __bits[LINUX_NSIG_WORDS];
  328 } l_sigset_t;
  329 
  330 typedef struct {
  331         l_handler_t     lsa_handler;
  332         l_osigset_t     lsa_mask;
  333         l_ulong         lsa_flags;
  334         void    (*lsa_restorer)(void);
  335 } l_osigaction_t;
  336 
  337 typedef struct {
  338         l_handler_t     lsa_handler;
  339         l_ulong         lsa_flags;
  340         void    (*lsa_restorer)(void);
  341         l_sigset_t      lsa_mask;
  342 } l_sigaction_t;
  343 
  344 typedef struct {
  345         void            *ss_sp;
  346         l_int           ss_flags;
  347         l_size_t        ss_size;
  348 } l_stack_t;
  349 
  350 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
  351 struct l_sigcontext {
  352         l_int           sc_gs;
  353         l_int           sc_fs;
  354         l_int           sc_es;
  355         l_int           sc_ds;
  356         l_int           sc_edi;
  357         l_int           sc_esi;
  358         l_int           sc_ebp;
  359         l_int           sc_esp;
  360         l_int           sc_ebx;
  361         l_int           sc_edx;
  362         l_int           sc_ecx;
  363         l_int           sc_eax;
  364         l_int           sc_trapno;
  365         l_int           sc_err;
  366         l_int           sc_eip;
  367         l_int           sc_cs;
  368         l_int           sc_eflags;
  369         l_int           sc_esp_at_signal;
  370         l_int           sc_ss;
  371         l_int           sc_387;
  372         l_int           sc_mask;
  373         l_int           sc_cr2;
  374 };
  375 
  376 struct l_ucontext {
  377         l_ulong         uc_flags;
  378         void            *uc_link;
  379         l_stack_t       uc_stack;
  380         struct l_sigcontext     uc_mcontext;
  381         l_sigset_t      uc_sigmask;
  382 };
  383 
  384 #define LINUX_SI_MAX_SIZE       128
  385 #define LINUX_SI_PAD_SIZE       ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
  386 
  387 typedef union l_sigval {
  388         l_int           sival_int;
  389         l_uintptr_t     sival_ptr;
  390 } l_sigval_t;
  391 
  392 typedef struct l_siginfo {
  393         l_int           lsi_signo;
  394         l_int           lsi_errno;
  395         l_int           lsi_code;
  396         union {
  397                 l_int   _pad[LINUX_SI_PAD_SIZE];
  398 
  399                 struct {
  400                         l_pid_t         _pid;
  401                         l_uid_t         _uid;
  402                 } _kill;
  403 
  404                 struct {
  405                         l_timer_t       _tid;
  406                         l_int           _overrun;
  407                         char            _pad[sizeof(l_uid_t) - sizeof(l_int)];
  408                         l_sigval_t      _sigval;
  409                         l_int           _sys_private;
  410                 } _timer;
  411 
  412                 struct {
  413                         l_pid_t         _pid;           /* sender's pid */
  414                         l_uid_t         _uid;           /* sender's uid */
  415                         l_sigval_t      _sigval;
  416                 } _rt;
  417 
  418                 struct {
  419                         l_pid_t         _pid;           /* which child */
  420                         l_uid_t         _uid;           /* sender's uid */
  421                         l_int           _status;        /* exit code */
  422                         l_clock_t       _utime;
  423                         l_clock_t       _stime;
  424                 } _sigchld;
  425 
  426                 struct {
  427                         l_uintptr_t     _addr;  /* Faulting insn/memory ref. */
  428                 } _sigfault;
  429 
  430                 struct {
  431                         l_long          _band;  /* POLL_IN,POLL_OUT,POLL_MSG */
  432                         l_int           _fd;
  433                 } _sigpoll;
  434         } _sifields;
  435 } l_siginfo_t;
  436 
  437 #define lsi_pid         _sifields._kill._pid
  438 #define lsi_uid         _sifields._kill._uid
  439 #define lsi_tid         _sifields._timer._tid
  440 #define lsi_overrun     _sifields._timer._overrun
  441 #define lsi_sys_private _sifields._timer._sys_private
  442 #define lsi_status      _sifields._sigchld._status
  443 #define lsi_utime       _sifields._sigchld._utime
  444 #define lsi_stime       _sifields._sigchld._stime
  445 #define lsi_value       _sifields._rt._sigval
  446 #define lsi_int         _sifields._rt._sigval.sival_int
  447 #define lsi_ptr         _sifields._rt._sigval.sival_ptr
  448 #define lsi_addr        _sifields._sigfault._addr
  449 #define lsi_band        _sifields._sigpoll._band
  450 #define lsi_fd          _sifields._sigpoll._fd
  451 
  452 struct l_fpreg {
  453         u_int16_t       significand[4];
  454         u_int16_t       exponent;
  455 };
  456 
  457 struct l_fpxreg {
  458         u_int16_t       significand[4];
  459         u_int16_t       exponent;
  460         u_int16_t       padding[3];
  461 };
  462 
  463 struct l_xmmreg {
  464         u_int32_t       element[4];
  465 };
  466 
  467 struct l_fpstate {
  468         /* Regular FPU environment */
  469         u_int32_t               cw;
  470         u_int32_t               sw;
  471         u_int32_t               tag;
  472         u_int32_t               ipoff;
  473         u_int32_t               cssel;
  474         u_int32_t               dataoff;
  475         u_int32_t               datasel;
  476         struct l_fpreg          _st[8];
  477         u_int16_t               status;
  478         u_int16_t               magic;          /* 0xffff = regular FPU data */
  479 
  480         /* FXSR FPU environment */
  481         u_int32_t               _fxsr_env[6];   /* env is ignored. */
  482         u_int32_t               mxcsr;
  483         u_int32_t               reserved;
  484         struct l_fpxreg         _fxsr_st[8];    /* reg data is ignored. */
  485         struct l_xmmreg         _xmm[8];
  486         u_int32_t               padding[56];
  487 };
  488 
  489 /*
  490  * We make the stack look like Linux expects it when calling a signal
  491  * handler, but use the BSD way of calling the handler and sigreturn().
  492  * This means that we need to pass the pointer to the handler too.
  493  * It is appended to the frame to not interfere with the rest of it.
  494  */
  495 struct l_sigframe {
  496         l_int                   sf_sig;
  497         struct l_sigcontext     sf_sc;
  498         struct l_fpstate        sf_fpstate;
  499         l_uint                  sf_extramask[LINUX_NSIG_WORDS-1];
  500         l_handler_t             sf_handler;
  501 };
  502 
  503 struct l_rt_sigframe {
  504         l_int                   sf_sig;
  505         l_siginfo_t             *sf_siginfo;
  506         struct l_ucontext       *sf_ucontext;
  507         l_siginfo_t             sf_si;
  508         struct l_ucontext       sf_sc;
  509         l_handler_t             sf_handler;
  510 };
  511 
  512 extern int bsd_to_linux_signal[];
  513 extern int linux_to_bsd_signal[];
  514 extern struct sysentvec linux_sysvec;
  515 extern struct sysentvec elf_linux_sysvec;
  516 
  517 /*
  518  * Pluggable ioctl handlers
  519  */
  520 struct linux_ioctl_args;
  521 struct thread;
  522 
  523 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
  524 
  525 struct linux_ioctl_handler {
  526         linux_ioctl_function_t *func;
  527         int     low, high;
  528 };
  529 
  530 int     linux_ioctl_register_handler(struct linux_ioctl_handler *h);
  531 int     linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
  532 
  533 /*
  534  * open/fcntl flags
  535  */
  536 #define LINUX_O_RDONLY          00000000
  537 #define LINUX_O_WRONLY          00000001
  538 #define LINUX_O_RDWR            00000002
  539 #define LINUX_O_ACCMODE         00000003
  540 #define LINUX_O_CREAT           00000100
  541 #define LINUX_O_EXCL            00000200
  542 #define LINUX_O_NOCTTY          00000400
  543 #define LINUX_O_TRUNC           00001000
  544 #define LINUX_O_APPEND          00002000
  545 #define LINUX_O_NONBLOCK        00004000
  546 #define LINUX_O_NDELAY          LINUX_O_NONBLOCK
  547 #define LINUX_O_SYNC            00010000
  548 #define LINUX_FASYNC            00020000
  549 #define LINUX_O_DIRECT          00040000        /* Direct disk access hint */
  550 #define LINUX_O_LARGEFILE       00100000
  551 #define LINUX_O_DIRECTORY       00200000        /* Must be a directory */
  552 #define LINUX_O_NOFOLLOW        00400000        /* Do not follow links */
  553 #define LINUX_O_NOATIME         01000000
  554 #define LINUX_O_CLOEXEC         02000000
  555 
  556 #define LINUX_F_DUPFD           0
  557 #define LINUX_F_GETFD           1
  558 #define LINUX_F_SETFD           2
  559 #define LINUX_F_GETFL           3
  560 #define LINUX_F_SETFL           4
  561 #define LINUX_F_GETLK           5
  562 #define LINUX_F_SETLK           6
  563 #define LINUX_F_SETLKW          7
  564 #define LINUX_F_SETOWN          8
  565 #define LINUX_F_GETOWN          9
  566 
  567 #define LINUX_F_GETLK64         12
  568 #define LINUX_F_SETLK64         13
  569 #define LINUX_F_SETLKW64        14
  570 
  571 #define LINUX_F_RDLCK           0
  572 #define LINUX_F_WRLCK           1
  573 #define LINUX_F_UNLCK           2
  574 
  575 /*
  576  * posix_fadvise advice
  577  */
  578 #define LINUX_POSIX_FADV_NORMAL         0
  579 #define LINUX_POSIX_FADV_RANDOM         1
  580 #define LINUX_POSIX_FADV_SEQUENTIAL     2
  581 #define LINUX_POSIX_FADV_WILLNEED       3
  582 #define LINUX_POSIX_FADV_DONTNEED       4
  583 #define LINUX_POSIX_FADV_NOREUSE        5
  584 
  585 /*
  586  * mount flags
  587  */
  588 #define LINUX_MS_RDONLY         0x0001
  589 #define LINUX_MS_NOSUID         0x0002
  590 #define LINUX_MS_NODEV          0x0004
  591 #define LINUX_MS_NOEXEC         0x0008
  592 #define LINUX_MS_REMOUNT        0x0020
  593 
  594 /*
  595  * SystemV IPC defines
  596  */
  597 #define LINUX_SEMOP             1
  598 #define LINUX_SEMGET            2
  599 #define LINUX_SEMCTL            3
  600 #define LINUX_MSGSND            11
  601 #define LINUX_MSGRCV            12
  602 #define LINUX_MSGGET            13
  603 #define LINUX_MSGCTL            14
  604 #define LINUX_SHMAT             21
  605 #define LINUX_SHMDT             22
  606 #define LINUX_SHMGET            23
  607 #define LINUX_SHMCTL            24
  608 
  609 #define LINUX_IPC_RMID          0
  610 #define LINUX_IPC_SET           1
  611 #define LINUX_IPC_STAT          2
  612 #define LINUX_IPC_INFO          3
  613 
  614 #define LINUX_SHM_LOCK          11
  615 #define LINUX_SHM_UNLOCK        12
  616 #define LINUX_SHM_STAT          13
  617 #define LINUX_SHM_INFO          14
  618 
  619 #define LINUX_SHM_RDONLY        0x1000
  620 #define LINUX_SHM_RND           0x2000
  621 #define LINUX_SHM_REMAP         0x4000
  622 
  623 /* semctl commands */
  624 #define LINUX_GETPID            11
  625 #define LINUX_GETVAL            12
  626 #define LINUX_GETALL            13
  627 #define LINUX_GETNCNT           14
  628 #define LINUX_GETZCNT           15
  629 #define LINUX_SETVAL            16
  630 #define LINUX_SETALL            17
  631 #define LINUX_SEM_STAT          18
  632 #define LINUX_SEM_INFO          19
  633 
  634 union l_semun {
  635         l_int           val;
  636         struct l_semid_ds       *buf;
  637         l_ushort        *array;
  638         struct l_seminfo        *__buf;
  639         void            *__pad;
  640 };
  641 
  642 /*
  643  * Socket defines
  644  */
  645 #define LINUX_SOCKET            1
  646 #define LINUX_BIND              2
  647 #define LINUX_CONNECT           3
  648 #define LINUX_LISTEN            4
  649 #define LINUX_ACCEPT            5
  650 #define LINUX_GETSOCKNAME       6
  651 #define LINUX_GETPEERNAME       7
  652 #define LINUX_SOCKETPAIR        8
  653 #define LINUX_SEND              9
  654 #define LINUX_RECV              10
  655 #define LINUX_SENDTO            11
  656 #define LINUX_RECVFROM          12
  657 #define LINUX_SHUTDOWN          13
  658 #define LINUX_SETSOCKOPT        14
  659 #define LINUX_GETSOCKOPT        15
  660 #define LINUX_SENDMSG           16
  661 #define LINUX_RECVMSG           17
  662 #define LINUX_ACCEPT4           18
  663 
  664 #define LINUX_SOL_SOCKET        1
  665 #define LINUX_SOL_IP            0
  666 #define LINUX_SOL_IPX           256
  667 #define LINUX_SOL_AX25          257
  668 #define LINUX_SOL_TCP           6
  669 #define LINUX_SOL_UDP           17
  670 
  671 #define LINUX_SO_DEBUG          1
  672 #define LINUX_SO_REUSEADDR      2
  673 #define LINUX_SO_TYPE           3
  674 #define LINUX_SO_ERROR          4
  675 #define LINUX_SO_DONTROUTE      5
  676 #define LINUX_SO_BROADCAST      6
  677 #define LINUX_SO_SNDBUF         7
  678 #define LINUX_SO_RCVBUF         8
  679 #define LINUX_SO_KEEPALIVE      9
  680 #define LINUX_SO_OOBINLINE      10
  681 #define LINUX_SO_NO_CHECK       11
  682 #define LINUX_SO_PRIORITY       12
  683 #define LINUX_SO_LINGER         13
  684 #define LINUX_SO_PEERCRED       17
  685 #define LINUX_SO_RCVLOWAT       18
  686 #define LINUX_SO_SNDLOWAT       19
  687 #define LINUX_SO_RCVTIMEO       20
  688 #define LINUX_SO_SNDTIMEO       21
  689 #define LINUX_SO_TIMESTAMP      29
  690 #define LINUX_SO_ACCEPTCONN     30
  691 
  692 #define LINUX_IP_TOS            1
  693 #define LINUX_IP_TTL            2
  694 #define LINUX_IP_HDRINCL        3
  695 #define LINUX_IP_OPTIONS        4
  696 
  697 #define LINUX_IP_MULTICAST_IF           32
  698 #define LINUX_IP_MULTICAST_TTL          33
  699 #define LINUX_IP_MULTICAST_LOOP         34
  700 #define LINUX_IP_ADD_MEMBERSHIP         35
  701 #define LINUX_IP_DROP_MEMBERSHIP        36
  702 
  703 struct l_sockaddr {
  704         l_ushort        sa_family;
  705         char            sa_data[14];
  706 };
  707 
  708 struct l_msghdr {
  709         l_uintptr_t     msg_name;
  710         l_int           msg_namelen;
  711         l_uintptr_t     msg_iov;
  712         l_size_t        msg_iovlen;
  713         l_uintptr_t     msg_control;
  714         l_size_t        msg_controllen;
  715         l_uint          msg_flags;
  716 };
  717 
  718 struct l_cmsghdr {
  719         l_size_t        cmsg_len;
  720         l_int           cmsg_level;
  721         l_int           cmsg_type;
  722 };
  723 
  724 struct l_ifmap {
  725         l_ulong         mem_start;
  726         l_ulong         mem_end;
  727         l_ushort        base_addr;
  728         u_char          irq;
  729         u_char          dma;
  730         u_char          port;
  731 };
  732 
  733 #define LINUX_IFHWADDRLEN       6
  734 #define LINUX_IFNAMSIZ          16
  735 
  736 struct l_ifreq {
  737         union {
  738                 char    ifrn_name[LINUX_IFNAMSIZ];
  739         } ifr_ifrn;
  740 
  741         union {
  742                 struct l_sockaddr       ifru_addr;
  743                 struct l_sockaddr       ifru_dstaddr;
  744                 struct l_sockaddr       ifru_broadaddr;
  745                 struct l_sockaddr       ifru_netmask;
  746                 struct l_sockaddr       ifru_hwaddr;
  747                 l_short         ifru_flags[1];
  748                 l_int           ifru_metric;
  749                 l_int           ifru_mtu;
  750                 struct l_ifmap  ifru_map;
  751                 char            ifru_slave[LINUX_IFNAMSIZ];
  752                 l_caddr_t       ifru_data;
  753         } ifr_ifru;
  754 };
  755 
  756 #define ifr_name        ifr_ifrn.ifrn_name      /* Interface name */
  757 #define ifr_hwaddr      ifr_ifru.ifru_hwaddr    /* MAC address */
  758 
  759 /*
  760  * poll()
  761  */
  762 #define LINUX_POLLIN            0x0001
  763 #define LINUX_POLLPRI           0x0002
  764 #define LINUX_POLLOUT           0x0004
  765 #define LINUX_POLLERR           0x0008
  766 #define LINUX_POLLHUP           0x0010
  767 #define LINUX_POLLNVAL          0x0020
  768 #define LINUX_POLLRDNORM        0x0040
  769 #define LINUX_POLLRDBAND        0x0080
  770 #define LINUX_POLLWRNORM        0x0100
  771 #define LINUX_POLLWRBAND        0x0200
  772 #define LINUX_POLLMSG           0x0400
  773 
  774 struct l_pollfd {
  775         l_int           fd;
  776         l_short         events;
  777         l_short         revents;
  778 };
  779 
  780 struct l_user_desc {
  781         l_uint          entry_number;
  782         l_uint          base_addr;
  783         l_uint          limit;
  784         l_uint          seg_32bit:1;
  785         l_uint          contents:2;
  786         l_uint          read_exec_only:1;
  787         l_uint          limit_in_pages:1;
  788         l_uint          seg_not_present:1;
  789         l_uint          useable:1;
  790 };
  791 
  792 struct l_desc_struct {
  793         unsigned long   a, b;
  794 };
  795 
  796 
  797 #define LINUX_LOWERWORD 0x0000ffff
  798 
  799 /*
  800  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
  801  * These convert Linux user space descriptor to machine one.
  802  */
  803 #define LINUX_LDT_entry_a(info)                                 \
  804         ((((info)->base_addr & LINUX_LOWERWORD) << 16) |        \
  805         ((info)->limit & LINUX_LOWERWORD))
  806 
  807 #define LINUX_ENTRY_B_READ_EXEC_ONLY    9
  808 #define LINUX_ENTRY_B_CONTENTS          10
  809 #define LINUX_ENTRY_B_SEG_NOT_PRESENT   15
  810 #define LINUX_ENTRY_B_BASE_ADDR         16
  811 #define LINUX_ENTRY_B_USEABLE           20
  812 #define LINUX_ENTRY_B_SEG32BIT          22
  813 #define LINUX_ENTRY_B_LIMIT             23
  814 
  815 #define LINUX_LDT_entry_b(info)                                                 \
  816         (((info)->base_addr & 0xff000000) |                                     \
  817         ((info)->limit & 0xf0000) |                                             \
  818         ((info)->contents << LINUX_ENTRY_B_CONTENTS) |                          \
  819         (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |     \
  820         (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |         \
  821         (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |       \
  822         ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |                         \
  823         ((info)->useable << LINUX_ENTRY_B_USEABLE) |                            \
  824         ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
  825 
  826 #define LINUX_LDT_empty(info)           \
  827         ((info)->base_addr == 0 &&      \
  828         (info)->limit == 0 &&           \
  829         (info)->contents == 0 &&        \
  830         (info)->seg_not_present == 1 && \
  831         (info)->read_exec_only == 1 &&  \
  832         (info)->seg_32bit == 0 &&       \
  833         (info)->limit_in_pages == 0 &&  \
  834         (info)->useable == 0)
  835 
  836 /*
  837  * Macros for converting segments.
  838  * They do the same as those in arch/i386/kernel/process.c in Linux.
  839  */
  840 #define LINUX_GET_BASE(desc)                            \
  841         ((((desc)->a >> 16) & LINUX_LOWERWORD) |        \
  842         (((desc)->b << 16) & 0x00ff0000) |              \
  843         ((desc)->b & 0xff000000))
  844 
  845 #define LINUX_GET_LIMIT(desc)                   \
  846         (((desc)->a & LINUX_LOWERWORD) |        \
  847         ((desc)->b & 0xf0000))
  848 
  849 #define LINUX_GET_32BIT(desc)           \
  850         (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
  851 #define LINUX_GET_CONTENTS(desc)        \
  852         (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
  853 #define LINUX_GET_WRITABLE(desc)        \
  854         (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
  855 #define LINUX_GET_LIMIT_PAGES(desc)     \
  856         (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
  857 #define LINUX_GET_PRESENT(desc)         \
  858         (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
  859 #define LINUX_GET_USEABLE(desc)         \
  860         (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
  861 
  862 #define LINUX_CLOCK_REALTIME            0
  863 #define LINUX_CLOCK_MONOTONIC           1
  864 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
  865 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
  866 #define LINUX_CLOCK_REALTIME_HR         4
  867 #define LINUX_CLOCK_MONOTONIC_HR        5
  868 
  869 #define LINUX_CLONE_VM                  0x00000100
  870 #define LINUX_CLONE_FS                  0x00000200
  871 #define LINUX_CLONE_FILES               0x00000400
  872 #define LINUX_CLONE_SIGHAND             0x00000800
  873 #define LINUX_CLONE_PID                 0x00001000      /* No longer exist in Linux */
  874 #define LINUX_CLONE_VFORK               0x00004000
  875 #define LINUX_CLONE_PARENT              0x00008000
  876 #define LINUX_CLONE_THREAD              0x00010000
  877 #define LINUX_CLONE_SETTLS              0x00080000
  878 #define LINUX_CLONE_PARENT_SETTID       0x00100000
  879 #define LINUX_CLONE_CHILD_CLEARTID      0x00200000
  880 #define LINUX_CLONE_CHILD_SETTID        0x01000000
  881 
  882 #define LINUX_THREADING_FLAGS                                   \
  883         (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |  \
  884         LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
  885 
  886 /* robust futexes */
  887 struct linux_robust_list {
  888         struct linux_robust_list        *next;
  889 };
  890 
  891 struct linux_robust_list_head {
  892         struct linux_robust_list        list;
  893         l_long                          futex_offset;
  894         struct linux_robust_list        *pending_list;
  895 };
  896 
  897 int linux_set_upcall_kse(struct thread *td, register_t stack);
  898 int linux_set_cloned_tls(struct thread *td, void *desc);
  899 
  900 #endif /* !_I386_LINUX_H_ */

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