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/8.3/sys/i386/linux/linux.h 231146 2012-02-07 19:12:21Z 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 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 typedef l_int           l_timer_t;
   84 typedef l_int           l_mqd_t;
   85 
   86 typedef struct {
   87         l_int           val[2];
   88 } l_fsid_t;
   89 
   90 typedef struct {
   91         l_time_t        tv_sec;
   92         l_suseconds_t   tv_usec;
   93 } l_timeval;
   94 
   95 #define l_fd_set        fd_set
   96 
   97 /*
   98  * Miscellaneous
   99  */
  100 #define LINUX_NAME_MAX          255
  101 #define LINUX_MAX_UTSNAME       65
  102 
  103 #define LINUX_CTL_MAXNAME       10
  104 
  105 #define LINUX_AT_COUNT          16      /* Count of used aux entry types.
  106                                          * Keep this synchronized with
  107                                          * elf_linux_fixup() code.
  108                                          */
  109 struct l___sysctl_args
  110 {
  111         l_int           *name;
  112         l_int           nlen;
  113         void            *oldval;
  114         l_size_t        *oldlenp;
  115         void            *newval;
  116         l_size_t        newlen;
  117         l_ulong         __spare[4];
  118 };
  119 
  120 /* Scheduling policies */
  121 #define LINUX_SCHED_OTHER       0
  122 #define LINUX_SCHED_FIFO        1
  123 #define LINUX_SCHED_RR          2
  124 
  125 /* Resource limits */
  126 #define LINUX_RLIMIT_CPU        0
  127 #define LINUX_RLIMIT_FSIZE      1
  128 #define LINUX_RLIMIT_DATA       2
  129 #define LINUX_RLIMIT_STACK      3
  130 #define LINUX_RLIMIT_CORE       4
  131 #define LINUX_RLIMIT_RSS        5
  132 #define LINUX_RLIMIT_NPROC      6
  133 #define LINUX_RLIMIT_NOFILE     7
  134 #define LINUX_RLIMIT_MEMLOCK    8
  135 #define LINUX_RLIMIT_AS         9       /* Address space limit */
  136 
  137 #define LINUX_RLIM_NLIMITS      10
  138 
  139 struct l_rlimit {
  140         l_ulong rlim_cur;
  141         l_ulong rlim_max;
  142 };
  143 
  144 /* mmap options */
  145 #define LINUX_MAP_SHARED        0x0001
  146 #define LINUX_MAP_PRIVATE       0x0002
  147 #define LINUX_MAP_FIXED         0x0010
  148 #define LINUX_MAP_ANON          0x0020
  149 #define LINUX_MAP_GROWSDOWN     0x0100
  150 
  151 struct l_mmap_argv {
  152         l_uintptr_t     addr;
  153         l_size_t        len;
  154         l_int           prot;
  155         l_int           flags;
  156         l_int           fd;
  157         l_off_t         pgoff;
  158 } __packed;
  159 
  160 /*
  161  * stat family of syscalls
  162  */
  163 struct l_timespec {
  164         l_time_t        tv_sec;
  165         l_long          tv_nsec;
  166 };
  167 
  168 struct l_newstat {
  169         l_ushort        st_dev;
  170         l_ushort        __pad1;
  171         l_ulong         st_ino;
  172         l_ushort        st_mode;
  173         l_ushort        st_nlink;
  174         l_ushort        st_uid;
  175         l_ushort        st_gid;
  176         l_ushort        st_rdev;
  177         l_ushort        __pad2;
  178         l_ulong         st_size;
  179         l_ulong         st_blksize;
  180         l_ulong         st_blocks;
  181         struct l_timespec       st_atimespec;
  182         struct l_timespec       st_mtimespec;
  183         struct l_timespec       st_ctimespec;
  184         l_ulong         __unused4;
  185         l_ulong         __unused5;
  186 };
  187 
  188 struct l_stat {
  189         l_ushort        st_dev;
  190         l_ulong         st_ino;
  191         l_ushort        st_mode;
  192         l_ushort        st_nlink;
  193         l_ushort        st_uid;
  194         l_ushort        st_gid;
  195         l_ushort        st_rdev;
  196         l_long          st_size;
  197         struct l_timespec       st_atimespec;
  198         struct l_timespec       st_mtimespec;
  199         struct l_timespec       st_ctimespec;
  200         l_long          st_blksize;
  201         l_long          st_blocks;
  202         l_ulong         st_flags;
  203         l_ulong         st_gen;
  204 };
  205 
  206 struct l_stat64 {
  207         l_ushort        st_dev;
  208         u_char          __pad0[10];
  209         l_ulong         __st_ino;
  210         l_uint          st_mode;
  211         l_uint          st_nlink;
  212         l_ulong         st_uid;
  213         l_ulong         st_gid;
  214         l_ushort        st_rdev;
  215         u_char          __pad3[10];
  216         l_longlong      st_size;
  217         l_ulong         st_blksize;
  218         l_ulong         st_blocks;
  219         l_ulong         __pad4;
  220         struct l_timespec       st_atimespec;
  221         struct l_timespec       st_mtimespec;
  222         struct l_timespec       st_ctimespec;
  223         l_ulonglong     st_ino;
  224 };
  225 
  226 struct l_statfs64 { 
  227         l_int           f_type; 
  228         l_int           f_bsize; 
  229         uint64_t        f_blocks; 
  230         uint64_t        f_bfree; 
  231         uint64_t        f_bavail; 
  232         uint64_t        f_files; 
  233         uint64_t        f_ffree; 
  234         l_fsid_t        f_fsid;
  235         l_int           f_namelen;
  236         l_int           f_spare[6];
  237 };
  238 
  239 struct l_new_utsname {
  240         char    sysname[LINUX_MAX_UTSNAME];
  241         char    nodename[LINUX_MAX_UTSNAME];
  242         char    release[LINUX_MAX_UTSNAME];
  243         char    version[LINUX_MAX_UTSNAME];
  244         char    machine[LINUX_MAX_UTSNAME];
  245         char    domainname[LINUX_MAX_UTSNAME];
  246 };
  247 
  248 /*
  249  * Signalling
  250  */
  251 #define LINUX_SIGHUP            1
  252 #define LINUX_SIGINT            2
  253 #define LINUX_SIGQUIT           3
  254 #define LINUX_SIGILL            4
  255 #define LINUX_SIGTRAP           5
  256 #define LINUX_SIGABRT           6
  257 #define LINUX_SIGIOT            LINUX_SIGABRT
  258 #define LINUX_SIGBUS            7
  259 #define LINUX_SIGFPE            8
  260 #define LINUX_SIGKILL           9
  261 #define LINUX_SIGUSR1           10
  262 #define LINUX_SIGSEGV           11
  263 #define LINUX_SIGUSR2           12
  264 #define LINUX_SIGPIPE           13
  265 #define LINUX_SIGALRM           14
  266 #define LINUX_SIGTERM           15
  267 #define LINUX_SIGSTKFLT         16
  268 #define LINUX_SIGCHLD           17
  269 #define LINUX_SIGCONT           18
  270 #define LINUX_SIGSTOP           19
  271 #define LINUX_SIGTSTP           20
  272 #define LINUX_SIGTTIN           21
  273 #define LINUX_SIGTTOU           22
  274 #define LINUX_SIGURG            23
  275 #define LINUX_SIGXCPU           24
  276 #define LINUX_SIGXFSZ           25
  277 #define LINUX_SIGVTALRM         26
  278 #define LINUX_SIGPROF           27
  279 #define LINUX_SIGWINCH          28
  280 #define LINUX_SIGIO             29
  281 #define LINUX_SIGPOLL           LINUX_SIGIO
  282 #define LINUX_SIGPWR            30
  283 #define LINUX_SIGSYS            31
  284 #define LINUX_SIGRTMIN          32
  285 
  286 #define LINUX_SIGTBLSZ          31
  287 #define LINUX_NSIG_WORDS        2
  288 #define LINUX_NBPW              32
  289 #define LINUX_NSIG              (LINUX_NBPW * LINUX_NSIG_WORDS)
  290 
  291 /* sigaction flags */
  292 #define LINUX_SA_NOCLDSTOP      0x00000001
  293 #define LINUX_SA_NOCLDWAIT      0x00000002
  294 #define LINUX_SA_SIGINFO        0x00000004
  295 #define LINUX_SA_RESTORER       0x04000000
  296 #define LINUX_SA_ONSTACK        0x08000000
  297 #define LINUX_SA_RESTART        0x10000000
  298 #define LINUX_SA_INTERRUPT      0x20000000
  299 #define LINUX_SA_NOMASK         0x40000000
  300 #define LINUX_SA_ONESHOT        0x80000000
  301 
  302 /* sigprocmask actions */
  303 #define LINUX_SIG_BLOCK         0
  304 #define LINUX_SIG_UNBLOCK       1
  305 #define LINUX_SIG_SETMASK       2
  306 
  307 /* sigset_t macros */
  308 #define LINUX_SIGEMPTYSET(set)          (set).__bits[0] = (set).__bits[1] = 0
  309 #define LINUX_SIGISMEMBER(set, sig)     SIGISMEMBER(set, sig)
  310 #define LINUX_SIGADDSET(set, sig)       SIGADDSET(set, sig)
  311 
  312 /* sigaltstack */
  313 #define LINUX_MINSIGSTKSZ       2048
  314 #define LINUX_SS_ONSTACK        1
  315 #define LINUX_SS_DISABLE        2
  316 
  317 int linux_to_bsd_sigaltstack(int lsa);
  318 int bsd_to_linux_sigaltstack(int bsa);
  319 
  320 typedef void    (*l_handler_t)(l_int);
  321 typedef l_ulong l_osigset_t;
  322 
  323 typedef struct {
  324         l_uint  __bits[LINUX_NSIG_WORDS];
  325 } l_sigset_t;
  326 
  327 typedef struct {
  328         l_handler_t     lsa_handler;
  329         l_osigset_t     lsa_mask;
  330         l_ulong         lsa_flags;
  331         void    (*lsa_restorer)(void);
  332 } l_osigaction_t;
  333 
  334 typedef struct {
  335         l_handler_t     lsa_handler;
  336         l_ulong         lsa_flags;
  337         void    (*lsa_restorer)(void);
  338         l_sigset_t      lsa_mask;
  339 } l_sigaction_t;
  340 
  341 typedef struct {
  342         void            *ss_sp;
  343         l_int           ss_flags;
  344         l_size_t        ss_size;
  345 } l_stack_t;
  346 
  347 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
  348 struct l_sigcontext {
  349         l_int           sc_gs;
  350         l_int           sc_fs;
  351         l_int           sc_es;
  352         l_int           sc_ds;
  353         l_int           sc_edi;
  354         l_int           sc_esi;
  355         l_int           sc_ebp;
  356         l_int           sc_esp;
  357         l_int           sc_ebx;
  358         l_int           sc_edx;
  359         l_int           sc_ecx;
  360         l_int           sc_eax;
  361         l_int           sc_trapno;
  362         l_int           sc_err;
  363         l_int           sc_eip;
  364         l_int           sc_cs;
  365         l_int           sc_eflags;
  366         l_int           sc_esp_at_signal;
  367         l_int           sc_ss;
  368         l_int           sc_387;
  369         l_int           sc_mask;
  370         l_int           sc_cr2;
  371 };
  372 
  373 struct l_ucontext {
  374         l_ulong         uc_flags;
  375         void            *uc_link;
  376         l_stack_t       uc_stack;
  377         struct l_sigcontext     uc_mcontext;
  378         l_sigset_t      uc_sigmask;
  379 };
  380 
  381 #define LINUX_SI_MAX_SIZE       128
  382 #define LINUX_SI_PAD_SIZE       ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
  383 
  384 typedef union l_sigval {
  385         l_int           sival_int;
  386         l_uintptr_t     sival_ptr;
  387 } l_sigval_t;
  388 
  389 typedef struct l_siginfo {
  390         l_int           lsi_signo;
  391         l_int           lsi_errno;
  392         l_int           lsi_code;
  393         union {
  394                 l_int   _pad[LINUX_SI_PAD_SIZE];
  395 
  396                 struct {
  397                         l_pid_t         _pid;
  398                         l_uid_t         _uid;
  399                 } _kill;
  400 
  401                 struct {
  402                         l_timer_t       _tid;
  403                         l_int           _overrun;
  404                         char            _pad[sizeof(l_uid_t) - sizeof(l_int)];
  405                         l_sigval_t      _sigval;
  406                         l_int           _sys_private;
  407                 } _timer;
  408 
  409                 struct {
  410                         l_pid_t         _pid;           /* sender's pid */
  411                         l_uid_t         _uid;           /* sender's uid */
  412                         l_sigval_t      _sigval;
  413                 } _rt;
  414 
  415                 struct {
  416                         l_pid_t         _pid;           /* which child */
  417                         l_uid_t         _uid;           /* sender's uid */
  418                         l_int           _status;        /* exit code */
  419                         l_clock_t       _utime;
  420                         l_clock_t       _stime;
  421                 } _sigchld;
  422 
  423                 struct {
  424                         l_uintptr_t     _addr;  /* Faulting insn/memory ref. */
  425                 } _sigfault;
  426 
  427                 struct {
  428                         l_long          _band;  /* POLL_IN,POLL_OUT,POLL_MSG */
  429                         l_int           _fd;
  430                 } _sigpoll;
  431         } _sifields;
  432 } l_siginfo_t;
  433 
  434 #define lsi_pid         _sifields._kill._pid
  435 #define lsi_uid         _sifields._kill._uid
  436 #define lsi_tid         _sifields._timer._tid
  437 #define lsi_overrun     _sifields._timer._overrun
  438 #define lsi_sys_private _sifields._timer._sys_private
  439 #define lsi_status      _sifields._sigchld._status
  440 #define lsi_utime       _sifields._sigchld._utime
  441 #define lsi_stime       _sifields._sigchld._stime
  442 #define lsi_value       _sifields._rt._sigval
  443 #define lsi_int         _sifields._rt._sigval.sival_int
  444 #define lsi_ptr         _sifields._rt._sigval.sival_ptr
  445 #define lsi_addr        _sifields._sigfault._addr
  446 #define lsi_band        _sifields._sigpoll._band
  447 #define lsi_fd          _sifields._sigpoll._fd
  448 
  449 struct l_fpreg {
  450         u_int16_t       significand[4];
  451         u_int16_t       exponent;
  452 };
  453 
  454 struct l_fpxreg {
  455         u_int16_t       significand[4];
  456         u_int16_t       exponent;
  457         u_int16_t       padding[3];
  458 };
  459 
  460 struct l_xmmreg {
  461         u_int32_t       element[4];
  462 };
  463 
  464 struct l_fpstate {
  465         /* Regular FPU environment */
  466         u_int32_t               cw;
  467         u_int32_t               sw;
  468         u_int32_t               tag;
  469         u_int32_t               ipoff;
  470         u_int32_t               cssel;
  471         u_int32_t               dataoff;
  472         u_int32_t               datasel;
  473         struct l_fpreg          _st[8];
  474         u_int16_t               status;
  475         u_int16_t               magic;          /* 0xffff = regular FPU data */
  476 
  477         /* FXSR FPU environment */
  478         u_int32_t               _fxsr_env[6];   /* env is ignored. */
  479         u_int32_t               mxcsr;
  480         u_int32_t               reserved;
  481         struct l_fpxreg         _fxsr_st[8];    /* reg data is ignored. */
  482         struct l_xmmreg         _xmm[8];
  483         u_int32_t               padding[56];
  484 };
  485 
  486 /*
  487  * We make the stack look like Linux expects it when calling a signal
  488  * handler, but use the BSD way of calling the handler and sigreturn().
  489  * This means that we need to pass the pointer to the handler too.
  490  * It is appended to the frame to not interfere with the rest of it.
  491  */
  492 struct l_sigframe {
  493         l_int                   sf_sig;
  494         struct l_sigcontext     sf_sc;
  495         struct l_fpstate        sf_fpstate;
  496         l_uint                  sf_extramask[LINUX_NSIG_WORDS-1];
  497         l_handler_t             sf_handler;
  498 };
  499 
  500 struct l_rt_sigframe {
  501         l_int                   sf_sig;
  502         l_siginfo_t             *sf_siginfo;
  503         struct l_ucontext       *sf_ucontext;
  504         l_siginfo_t             sf_si;
  505         struct l_ucontext       sf_sc;
  506         l_handler_t             sf_handler;
  507 };
  508 
  509 extern int bsd_to_linux_signal[];
  510 extern int linux_to_bsd_signal[];
  511 extern struct sysentvec linux_sysvec;
  512 extern struct sysentvec elf_linux_sysvec;
  513 
  514 /*
  515  * Pluggable ioctl handlers
  516  */
  517 struct linux_ioctl_args;
  518 struct thread;
  519 
  520 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
  521 
  522 struct linux_ioctl_handler {
  523         linux_ioctl_function_t *func;
  524         int     low, high;
  525 };
  526 
  527 int     linux_ioctl_register_handler(struct linux_ioctl_handler *h);
  528 int     linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
  529 
  530 /*
  531  * open/fcntl flags
  532  */
  533 #define LINUX_O_RDONLY          00000000
  534 #define LINUX_O_WRONLY          00000001
  535 #define LINUX_O_RDWR            00000002
  536 #define LINUX_O_ACCMODE         00000003
  537 #define LINUX_O_CREAT           00000100
  538 #define LINUX_O_EXCL            00000200
  539 #define LINUX_O_NOCTTY          00000400
  540 #define LINUX_O_TRUNC           00001000
  541 #define LINUX_O_APPEND          00002000
  542 #define LINUX_O_NONBLOCK        00004000
  543 #define LINUX_O_NDELAY          LINUX_O_NONBLOCK
  544 #define LINUX_O_SYNC            00010000
  545 #define LINUX_FASYNC            00020000
  546 #define LINUX_O_DIRECT          00040000        /* Direct disk access hint */
  547 #define LINUX_O_LARGEFILE       00100000
  548 #define LINUX_O_DIRECTORY       00200000        /* Must be a directory */
  549 #define LINUX_O_NOFOLLOW        00400000        /* Do not follow links */
  550 #define LINUX_O_NOATIME         01000000
  551 #define LINUX_O_CLOEXEC         02000000
  552 
  553 #define LINUX_F_DUPFD           0
  554 #define LINUX_F_GETFD           1
  555 #define LINUX_F_SETFD           2
  556 #define LINUX_F_GETFL           3
  557 #define LINUX_F_SETFL           4
  558 #define LINUX_F_GETLK           5
  559 #define LINUX_F_SETLK           6
  560 #define LINUX_F_SETLKW          7
  561 #define LINUX_F_SETOWN          8
  562 #define LINUX_F_GETOWN          9
  563 
  564 #define LINUX_F_GETLK64         12
  565 #define LINUX_F_SETLK64         13
  566 #define LINUX_F_SETLKW64        14
  567 
  568 #define LINUX_F_RDLCK           0
  569 #define LINUX_F_WRLCK           1
  570 #define LINUX_F_UNLCK           2
  571 
  572 /*
  573  * posix_fadvise advice
  574  */
  575 #define LINUX_POSIX_FADV_NORMAL         0
  576 #define LINUX_POSIX_FADV_RANDOM         1
  577 #define LINUX_POSIX_FADV_SEQUENTIAL     2
  578 #define LINUX_POSIX_FADV_WILLNEED       3
  579 #define LINUX_POSIX_FADV_DONTNEED       4
  580 #define LINUX_POSIX_FADV_NOREUSE        5
  581 
  582 /*
  583  * mount flags
  584  */
  585 #define LINUX_MS_RDONLY         0x0001
  586 #define LINUX_MS_NOSUID         0x0002
  587 #define LINUX_MS_NODEV          0x0004
  588 #define LINUX_MS_NOEXEC         0x0008
  589 #define LINUX_MS_REMOUNT        0x0020
  590 
  591 /*
  592  * SystemV IPC defines
  593  */
  594 #define LINUX_SEMOP             1
  595 #define LINUX_SEMGET            2
  596 #define LINUX_SEMCTL            3
  597 #define LINUX_MSGSND            11
  598 #define LINUX_MSGRCV            12
  599 #define LINUX_MSGGET            13
  600 #define LINUX_MSGCTL            14
  601 #define LINUX_SHMAT             21
  602 #define LINUX_SHMDT             22
  603 #define LINUX_SHMGET            23
  604 #define LINUX_SHMCTL            24
  605 
  606 #define LINUX_IPC_RMID          0
  607 #define LINUX_IPC_SET           1
  608 #define LINUX_IPC_STAT          2
  609 #define LINUX_IPC_INFO          3
  610 
  611 #define LINUX_SHM_LOCK          11
  612 #define LINUX_SHM_UNLOCK        12
  613 #define LINUX_SHM_STAT          13
  614 #define LINUX_SHM_INFO          14
  615 
  616 #define LINUX_SHM_RDONLY        0x1000
  617 #define LINUX_SHM_RND           0x2000
  618 #define LINUX_SHM_REMAP         0x4000
  619 
  620 /* semctl commands */
  621 #define LINUX_GETPID            11
  622 #define LINUX_GETVAL            12
  623 #define LINUX_GETALL            13
  624 #define LINUX_GETNCNT           14
  625 #define LINUX_GETZCNT           15
  626 #define LINUX_SETVAL            16
  627 #define LINUX_SETALL            17
  628 #define LINUX_SEM_STAT          18
  629 #define LINUX_SEM_INFO          19
  630 
  631 union l_semun {
  632         l_int           val;
  633         struct l_semid_ds       *buf;
  634         l_ushort        *array;
  635         struct l_seminfo        *__buf;
  636         void            *__pad;
  637 };
  638 
  639 /*
  640  * Socket defines
  641  */
  642 #define LINUX_SOCKET            1
  643 #define LINUX_BIND              2
  644 #define LINUX_CONNECT           3
  645 #define LINUX_LISTEN            4
  646 #define LINUX_ACCEPT            5
  647 #define LINUX_GETSOCKNAME       6
  648 #define LINUX_GETPEERNAME       7
  649 #define LINUX_SOCKETPAIR        8
  650 #define LINUX_SEND              9
  651 #define LINUX_RECV              10
  652 #define LINUX_SENDTO            11
  653 #define LINUX_RECVFROM          12
  654 #define LINUX_SHUTDOWN          13
  655 #define LINUX_SETSOCKOPT        14
  656 #define LINUX_GETSOCKOPT        15
  657 #define LINUX_SENDMSG           16
  658 #define LINUX_RECVMSG           17
  659 #define LINUX_ACCEPT4           18
  660 
  661 #define LINUX_SOL_SOCKET        1
  662 #define LINUX_SOL_IP            0
  663 #define LINUX_SOL_IPX           256
  664 #define LINUX_SOL_AX25          257
  665 #define LINUX_SOL_TCP           6
  666 #define LINUX_SOL_UDP           17
  667 
  668 #define LINUX_SO_DEBUG          1
  669 #define LINUX_SO_REUSEADDR      2
  670 #define LINUX_SO_TYPE           3
  671 #define LINUX_SO_ERROR          4
  672 #define LINUX_SO_DONTROUTE      5
  673 #define LINUX_SO_BROADCAST      6
  674 #define LINUX_SO_SNDBUF         7
  675 #define LINUX_SO_RCVBUF         8
  676 #define LINUX_SO_KEEPALIVE      9
  677 #define LINUX_SO_OOBINLINE      10
  678 #define LINUX_SO_NO_CHECK       11
  679 #define LINUX_SO_PRIORITY       12
  680 #define LINUX_SO_LINGER         13
  681 #define LINUX_SO_PEERCRED       17
  682 #define LINUX_SO_RCVLOWAT       18
  683 #define LINUX_SO_SNDLOWAT       19
  684 #define LINUX_SO_RCVTIMEO       20
  685 #define LINUX_SO_SNDTIMEO       21
  686 #define LINUX_SO_TIMESTAMP      29
  687 #define LINUX_SO_ACCEPTCONN     30
  688 
  689 #define LINUX_IP_TOS            1
  690 #define LINUX_IP_TTL            2
  691 #define LINUX_IP_HDRINCL        3
  692 #define LINUX_IP_OPTIONS        4
  693 
  694 #define LINUX_IP_MULTICAST_IF           32
  695 #define LINUX_IP_MULTICAST_TTL          33
  696 #define LINUX_IP_MULTICAST_LOOP         34
  697 #define LINUX_IP_ADD_MEMBERSHIP         35
  698 #define LINUX_IP_DROP_MEMBERSHIP        36
  699 
  700 struct l_sockaddr {
  701         l_ushort        sa_family;
  702         char            sa_data[14];
  703 };
  704 
  705 struct l_msghdr {
  706         l_uintptr_t     msg_name;
  707         l_int           msg_namelen;
  708         l_uintptr_t     msg_iov;
  709         l_size_t        msg_iovlen;
  710         l_uintptr_t     msg_control;
  711         l_size_t        msg_controllen;
  712         l_uint          msg_flags;
  713 };
  714 
  715 struct l_cmsghdr {
  716         l_size_t        cmsg_len;
  717         l_int           cmsg_level;
  718         l_int           cmsg_type;
  719 };
  720 
  721 struct l_ifmap {
  722         l_ulong         mem_start;
  723         l_ulong         mem_end;
  724         l_ushort        base_addr;
  725         u_char          irq;
  726         u_char          dma;
  727         u_char          port;
  728 };
  729 
  730 #define LINUX_IFHWADDRLEN       6
  731 #define LINUX_IFNAMSIZ          16
  732 
  733 struct l_ifreq {
  734         union {
  735                 char    ifrn_name[LINUX_IFNAMSIZ];
  736         } ifr_ifrn;
  737 
  738         union {
  739                 struct l_sockaddr       ifru_addr;
  740                 struct l_sockaddr       ifru_dstaddr;
  741                 struct l_sockaddr       ifru_broadaddr;
  742                 struct l_sockaddr       ifru_netmask;
  743                 struct l_sockaddr       ifru_hwaddr;
  744                 l_short         ifru_flags[1];
  745                 l_int           ifru_metric;
  746                 l_int           ifru_mtu;
  747                 struct l_ifmap  ifru_map;
  748                 char            ifru_slave[LINUX_IFNAMSIZ];
  749                 l_caddr_t       ifru_data;
  750         } ifr_ifru;
  751 };
  752 
  753 #define ifr_name        ifr_ifrn.ifrn_name      /* Interface name */
  754 #define ifr_hwaddr      ifr_ifru.ifru_hwaddr    /* MAC address */
  755 
  756 /*
  757  * poll()
  758  */
  759 #define LINUX_POLLIN            0x0001
  760 #define LINUX_POLLPRI           0x0002
  761 #define LINUX_POLLOUT           0x0004
  762 #define LINUX_POLLERR           0x0008
  763 #define LINUX_POLLHUP           0x0010
  764 #define LINUX_POLLNVAL          0x0020
  765 #define LINUX_POLLRDNORM        0x0040
  766 #define LINUX_POLLRDBAND        0x0080
  767 #define LINUX_POLLWRNORM        0x0100
  768 #define LINUX_POLLWRBAND        0x0200
  769 #define LINUX_POLLMSG           0x0400
  770 
  771 struct l_pollfd {
  772         l_int           fd;
  773         l_short         events;
  774         l_short         revents;
  775 };
  776 
  777 struct l_user_desc {
  778         l_uint          entry_number;
  779         l_uint          base_addr;
  780         l_uint          limit;
  781         l_uint          seg_32bit:1;
  782         l_uint          contents:2;
  783         l_uint          read_exec_only:1;
  784         l_uint          limit_in_pages:1;
  785         l_uint          seg_not_present:1;
  786         l_uint          useable:1;
  787 };
  788 
  789 struct l_desc_struct {
  790         unsigned long   a, b;
  791 };
  792 
  793 
  794 #define LINUX_LOWERWORD 0x0000ffff
  795 
  796 /*
  797  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
  798  * These convert Linux user space descriptor to machine one.
  799  */
  800 #define LINUX_LDT_entry_a(info)                                 \
  801         ((((info)->base_addr & LINUX_LOWERWORD) << 16) |        \
  802         ((info)->limit & LINUX_LOWERWORD))
  803 
  804 #define LINUX_ENTRY_B_READ_EXEC_ONLY    9
  805 #define LINUX_ENTRY_B_CONTENTS          10
  806 #define LINUX_ENTRY_B_SEG_NOT_PRESENT   15
  807 #define LINUX_ENTRY_B_BASE_ADDR         16
  808 #define LINUX_ENTRY_B_USEABLE           20
  809 #define LINUX_ENTRY_B_SEG32BIT          22
  810 #define LINUX_ENTRY_B_LIMIT             23
  811 
  812 #define LINUX_LDT_entry_b(info)                                                 \
  813         (((info)->base_addr & 0xff000000) |                                     \
  814         ((info)->limit & 0xf0000) |                                             \
  815         ((info)->contents << LINUX_ENTRY_B_CONTENTS) |                          \
  816         (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |     \
  817         (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |         \
  818         (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |       \
  819         ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |                         \
  820         ((info)->useable << LINUX_ENTRY_B_USEABLE) |                            \
  821         ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
  822 
  823 #define LINUX_LDT_empty(info)           \
  824         ((info)->base_addr == 0 &&      \
  825         (info)->limit == 0 &&           \
  826         (info)->contents == 0 &&        \
  827         (info)->seg_not_present == 1 && \
  828         (info)->read_exec_only == 1 &&  \
  829         (info)->seg_32bit == 0 &&       \
  830         (info)->limit_in_pages == 0 &&  \
  831         (info)->useable == 0)
  832 
  833 /*
  834  * Macros for converting segments.
  835  * They do the same as those in arch/i386/kernel/process.c in Linux.
  836  */
  837 #define LINUX_GET_BASE(desc)                            \
  838         ((((desc)->a >> 16) & LINUX_LOWERWORD) |        \
  839         (((desc)->b << 16) & 0x00ff0000) |              \
  840         ((desc)->b & 0xff000000))
  841 
  842 #define LINUX_GET_LIMIT(desc)                   \
  843         (((desc)->a & LINUX_LOWERWORD) |        \
  844         ((desc)->b & 0xf0000))
  845 
  846 #define LINUX_GET_32BIT(desc)           \
  847         (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
  848 #define LINUX_GET_CONTENTS(desc)        \
  849         (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
  850 #define LINUX_GET_WRITABLE(desc)        \
  851         (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
  852 #define LINUX_GET_LIMIT_PAGES(desc)     \
  853         (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
  854 #define LINUX_GET_PRESENT(desc)         \
  855         (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
  856 #define LINUX_GET_USEABLE(desc)         \
  857         (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
  858 
  859 #define LINUX_CLOCK_REALTIME            0
  860 #define LINUX_CLOCK_MONOTONIC           1
  861 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
  862 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
  863 #define LINUX_CLOCK_REALTIME_HR         4
  864 #define LINUX_CLOCK_MONOTONIC_HR        5
  865 
  866 #define LINUX_CLONE_VM                  0x00000100
  867 #define LINUX_CLONE_FS                  0x00000200
  868 #define LINUX_CLONE_FILES               0x00000400
  869 #define LINUX_CLONE_SIGHAND             0x00000800
  870 #define LINUX_CLONE_PID                 0x00001000      /* No longer exist in Linux */
  871 #define LINUX_CLONE_VFORK               0x00004000
  872 #define LINUX_CLONE_PARENT              0x00008000
  873 #define LINUX_CLONE_THREAD              0x00010000
  874 #define LINUX_CLONE_SETTLS              0x00080000
  875 #define LINUX_CLONE_PARENT_SETTID       0x00100000
  876 #define LINUX_CLONE_CHILD_CLEARTID      0x00200000
  877 #define LINUX_CLONE_CHILD_SETTID        0x01000000
  878 
  879 #define LINUX_THREADING_FLAGS                                   \
  880         (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |  \
  881         LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
  882 
  883 /* robust futexes */
  884 struct linux_robust_list {
  885         struct linux_robust_list        *next;
  886 };
  887 
  888 struct linux_robust_list_head {
  889         struct linux_robust_list        list;
  890         l_long                          futex_offset;
  891         struct linux_robust_list        *pending_list;
  892 };
  893 
  894 int linux_set_upcall_kse(struct thread *td, register_t stack);
  895 int linux_set_cloned_tls(struct thread *td, void *desc);
  896 
  897 #endif /* !_I386_LINUX_H_ */

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