servers/vfs/proto.h

   1 /* Function prototypes. */
   2
   3 #include "timers.h"
   4 #include "request.h"
   5
   6 /* Structs used in prototypes must be declared as such first. */
   7 struct filp;
   8 struct fproc;
   9 struct vmnt;
  10 struct vnode;
  11
  12 /* device.c */
  13 _PROTOTYPE( int dev_open, (Dev_t dev, int proc, int flags)              );
  14 _PROTOTYPE( int dev_reopen, (Dev_t dev, int filp_no, int flags)         );
  15 _PROTOTYPE( int dev_close, (Dev_t dev, int filp_no)                     );
  16 _PROTOTYPE( int dev_io, (int op, Dev_t dev, int proc, void *buf,
  17                 u64_t pos, int bytes, int flags, int suspend_reopen)    );
  18 _PROTOTYPE( int gen_opcl, (int op, Dev_t dev, int proc, int flags)      );
  19 _PROTOTYPE( int gen_io, (int task_nr, message *mess_ptr)                );
  20 _PROTOTYPE( int asyn_io, (int task_nr, message *mess_ptr)               );
  21 _PROTOTYPE( int no_dev, (int op, Dev_t dev, int proc, int flags)        );
  22 _PROTOTYPE( int no_dev_io, (int, message *)                             );
  23 _PROTOTYPE( int tty_opcl, (int op, Dev_t dev, int proc, int flags)      );
  24 _PROTOTYPE( int ctty_opcl, (int op, Dev_t dev, int proc, int flags)     );
  25 _PROTOTYPE( int clone_opcl, (int op, Dev_t dev, int proc, int flags)    );
  26 _PROTOTYPE( int ctty_io, (int task_nr, message *mess_ptr)               );
  27 _PROTOTYPE( int do_ioctl, (void)                                        );
  28 _PROTOTYPE( void pm_setsid, (int proc_e)                                );
  29 _PROTOTYPE( void dev_status, (message *)                                );
  30 _PROTOTYPE( void dev_up, (int major)                                    );
  31 _PROTOTYPE( endpoint_t suspended_ep, (endpoint_t driver,
  32                                                 cp_grant_id_t g)        );
  33 _PROTOTYPE( void reopen_reply, (void)                                   );
  34
  35 /* dmap.c */
  36 _PROTOTYPE( int do_mapdriver, (void)                                    );
  37 _PROTOTYPE( void build_dmap, (void)                                     );
  38 _PROTOTYPE( int map_driver, (char *label, int major, int proc_nr,
  39         int dev_style, int force)                                       );
  40 _PROTOTYPE( int dmap_driver_match, (endpoint_t proc, int major)         );
  41 _PROTOTYPE( void dmap_unmap_by_endpt, (int proc_nr)                     );
  42 _PROTOTYPE( void dmap_endpt_up, (int proc_nr)                           );
  43
  44 /* exec.c */
  45 _PROTOTYPE( int pm_exec, (int proc_e, char *path, vir_bytes path_len,
  46                                 char *frame, vir_bytes frame_len)       );
  47
  48 /* filedes.c */
  49 _PROTOTYPE( struct filp *find_filp, (struct vnode *vp, mode_t bits)     );
  50 _PROTOTYPE( int get_fd, (int start, mode_t bits, int *k,
  51             struct filp **fpt)                                          );
  52 _PROTOTYPE( struct filp *get_filp, (int fild)                           );
  53 _PROTOTYPE( struct filp *get_filp2, (struct fproc *rfp, int fild)       );
  54 _PROTOTYPE( int invalidate, (struct filp *)                             );
  55
  56 /* fscall.c */
  57 _PROTOTYPE( void nested_fs_call, (message *m)                           );
  58
  59 /* link.c */
  60 _PROTOTYPE( int do_link, (void)                                         );
  61 _PROTOTYPE( int do_unlink, (void)                                       );
  62 _PROTOTYPE( int do_rename, (void)                                       );
  63 _PROTOTYPE( int do_truncate, (void)                                     );
  64 _PROTOTYPE( int do_ftruncate, (void)                                    );
  65 _PROTOTYPE( int truncate_vnode, (struct vnode *vp, off_t newsize)               );
  66
  67 /* lock.c */
  68 _PROTOTYPE( int lock_op, (struct filp *f, int req)                      );
  69 _PROTOTYPE( void lock_revive, (void)                                    );
  70
  71 /* main.c */
  72 _PROTOTYPE( int main, (void)                                            );
  73 _PROTOTYPE( void reply, (int whom, int result)                          );
  74
  75 /* misc.c */
  76 _PROTOTYPE( int do_dup, (void)                                          );
  77 _PROTOTYPE( void pm_exit, (int proc)                                    );
  78 _PROTOTYPE( int do_fcntl, (void)                                        );
  79 _PROTOTYPE( void pm_fork, (int pproc, int cproc, int cpid)              );
  80 _PROTOTYPE( void pm_setgid, (int proc_e, int egid, int rgid)            );
  81 _PROTOTYPE( void pm_setuid, (int proc_e, int euid, int ruid)            );
  82 _PROTOTYPE( void pm_setgroups, (int proc_e, int ngroups, gid_t *addr)   );
  83 _PROTOTYPE( int do_sync, (void)                                         );
  84 _PROTOTYPE( int do_fsync, (void)                                        );
  85 _PROTOTYPE( void pm_reboot, (void)                                      );
  86 _PROTOTYPE( int do_svrctl, (void)                                       );
  87 _PROTOTYPE( int do_getsysinfo, (void)                                   );
  88 _PROTOTYPE( int pm_dumpcore, (int proc_e, struct mem_map *seg_ptr)      );
  89
  90 /* mount.c */
  91 _PROTOTYPE( int do_fslogin, (void)                                      );
  92 _PROTOTYPE( int do_mount, (void)                                        );
  93 _PROTOTYPE( int do_umount, (void)                                       );
  94 _PROTOTYPE( int unmount, (Dev_t dev, char *label)                       );
  95
  96 /* open.c */
  97 _PROTOTYPE( int do_close, (void)                                        );
  98 _PROTOTYPE( int close_fd, (struct fproc *rfp, int fd_nr)                );
  99 _PROTOTYPE( void close_filp, (struct filp *fp)                          );
 100 _PROTOTYPE( void close_reply, (void)                                    );
 101 _PROTOTYPE( int do_creat, (void)                                        );
 102 _PROTOTYPE( int do_lseek, (void)                                        );
 103 _PROTOTYPE( int do_llseek, (void)                                       );
 104 _PROTOTYPE( int do_mknod, (void)                                        );
 105 _PROTOTYPE( int do_mkdir, (void)                                        );
 106 _PROTOTYPE( int do_open, (void)                                         );
 107 _PROTOTYPE( int do_slink, (void)                                        );
 108 _PROTOTYPE( int do_vm_open, (void)                                      );
 109 _PROTOTYPE( int do_vm_close, (void)                                     );
 110
 111 /* path.c */
 112 _PROTOTYPE( struct vnode *advance, (struct vnode *dirp, int flags)      );
 113 _PROTOTYPE( struct vnode *eat_path, (int flags)                         );
 114 _PROTOTYPE( struct vnode *last_dir, (void)                              );
 115
 116 /* pipe.c */
 117 _PROTOTYPE( int do_pipe, (void)                                         );
 118 _PROTOTYPE( int map_vnode, (struct vnode *vp)                           );
 119 _PROTOTYPE( void unpause, (int proc_nr_e)                               );
 120 _PROTOTYPE( int pipe_check, (struct vnode *vp, int rw_flag,
 121               int oflags, int bytes, u64_t position, int notouch)       );
 122 _PROTOTYPE( void release, (struct vnode *vp, int call_nr, int count)    );
 123 _PROTOTYPE( void revive, (int proc_nr, int bytes)                       );
 124 _PROTOTYPE( void suspend, (int task)                                    );
 125 _PROTOTYPE( void pipe_suspend, (int rw_flag, int fd_nr, char *buf,
 126                                                         size_t size)    );
 127 _PROTOTYPE( int select_request_pipe, (struct filp *f, int *ops, int bl) );
 128 _PROTOTYPE( int select_match_pipe, (struct filp *f)                     );
 129 _PROTOTYPE( void unsuspend_by_endpt, (endpoint_t)                       );
 130 _PROTOTYPE( void select_reply1, (void)                                  );
 131 _PROTOTYPE( void select_reply2, (void)                                  );
 132 _PROTOTYPE( void wait_for, (endpoint_t)                                 );
 133 #if DO_SANITYCHECKS
 134 _PROTOTYPE( int check_pipe, (void)                                      );
 135 #endif
 136
 137 /* protect.c */
 138 _PROTOTYPE( int do_access, (void)                                       );
 139 _PROTOTYPE( int do_chmod, (void)                                        );
 140 _PROTOTYPE( int do_chown, (void)                                        );
 141 _PROTOTYPE( int do_umask, (void)                                        );
 142 _PROTOTYPE( int forbidden, (struct vnode *vp, mode_t access_desired)    );
 143 _PROTOTYPE( int read_only, (struct vnode *vp)                           );
 144
 145 /* read.c */
 146 _PROTOTYPE( int do_read, (void)                                         );
 147 _PROTOTYPE( int do_getdents, (void)                                     );
 148 _PROTOTYPE( int read_write, (int rw_flag)                               );
 149 _PROTOTYPE( int rw_pipe, (int rw_flag, endpoint_t usr,
 150                 int fd_nr, struct filp *f, char *buf, size_t req_size)  );
 151
 152 /* request.c */
 153 _PROTOTYPE( int req_breadwrite, (endpoint_t fs_e, endpoint_t user_e,
 154                         Dev_t dev, u64_t pos, unsigned int num_of_bytes,
 155                         char *user_addr, int rw_flag,
 156                         u64_t *new_posp, unsigned int *cum_iop)         );
 157 _PROTOTYPE( int req_chmod, (int fs_e, ino_t inode_nr, _mnx_Mode_t rmode,
 158                                                 mode_t *new_modep)      );
 159 _PROTOTYPE( int req_chown, (endpoint_t fs_e, ino_t inode_nr,
 160         _mnx_Uid_t newuid, _mnx_Gid_t newgid, mode_t *new_modep)        );
 161 _PROTOTYPE( int req_create, (int fs_e, ino_t inode_nr, int omode,
 162                 int uid, int gid, char *path, node_details_t *res)      );
 163 _PROTOTYPE( int req_flush, (endpoint_t fs_e, Dev_t dev)                 );
 164 _PROTOTYPE( int req_fstatfs, (int fs_e, int who_e, char *buf)           );
 165 _PROTOTYPE( int req_ftrunc, (endpoint_t fs_e, ino_t inode_nr,
 166                                                 off_t start, off_t end) );
 167 _PROTOTYPE( int req_getdents, (endpoint_t fs_e, ino_t inode_nr, u64_t pos,
 168                          char *buf, size_t size, u64_t *new_pos)        );
 169 _PROTOTYPE( int req_inhibread, (endpoint_t fs_e, ino_t inode_nr)        );
 170 _PROTOTYPE( int req_link, (endpoint_t fs_e, ino_t link_parent,
 171                                         char *lastc, ino_t linked_file) );
 172 _PROTOTYPE( int req_lookup, (endpoint_t fs_e, ino_t dir_ino, ino_t root_ino,
 173                              _mnx_Uid_t uid, _mnx_Gid_t gid, int flags,
 174                              lookup_res_t *res)                         );
 175 _PROTOTYPE( int req_mkdir, (endpoint_t fs_e, ino_t inode_nr,
 176         char *lastc, _mnx_Uid_t uid, _mnx_Gid_t gid, _mnx_Mode_t dmode) );
 177 _PROTOTYPE( int req_mknod, (endpoint_t fs_e, ino_t inode_nr,
 178                         char *lastc, _mnx_Uid_t uid, _mnx_Gid_t gid,
 179                         _mnx_Mode_t dmode, Dev_t dev)                   );
 180 _PROTOTYPE( int req_mountpoint, (endpoint_t fs_e, ino_t inode_nr)       );
 181 _PROTOTYPE( int req_newnode, (endpoint_t fs_e, _mnx_Uid_t uid,
 182                                 _mnx_Gid_t gid, _mnx_Mode_t dmode,
 183                                 Dev_t dev, struct node_details *res)    );
 184 _PROTOTYPE( int req_putnode, (int fs_e, ino_t inode_nr, int count)      );
 185 _PROTOTYPE( int req_rdlink, (endpoint_t fs_e, ino_t inode_nr,
 186                         endpoint_t who_e, char *buf, size_t len)        );
 187 _PROTOTYPE( int req_readsuper, (endpoint_t fs_e, char *driver_name,
 188                                 Dev_t dev, int readonly, int isroot,
 189                                 struct node_details *res_nodep)         );
 190 _PROTOTYPE( int req_readwrite, (endpoint_t fs_e, ino_t inode_nr,
 191                                 u64_t pos, int rw_flag,
 192                                 endpoint_t user_e, char *user_addr,
 193                                 unsigned int num_of_bytes, u64_t *new_posp,
 194                                 unsigned int *cum_iop)                                  );
 195 _PROTOTYPE( int req_rename, (endpoint_t fs_e, ino_t old_dir,
 196                         char *old_name, ino_t new_dir, char *new_name)  );
 197 _PROTOTYPE( int req_rmdir, (endpoint_t fs_e, ino_t inode_nr,
 198                                                         char *lastc)    );
 199 _PROTOTYPE(int req_slink, (endpoint_t fs_e, ino_t inode_nr, char *lastc,
 200                 endpoint_t who_e, char *path_addr,
 201                 int path_length, _mnx_Uid_t uid, _mnx_Gid_t gid)        );
 202 _PROTOTYPE( int req_stat, (int fs_e, ino_t inode_nr, int who_e,
 203                                                 char *buf, int pos)     );
 204 _PROTOTYPE( int req_sync, (endpoint_t fs_e)                             );
 205 _PROTOTYPE( int req_unlink, (endpoint_t fs_e, ino_t inode_nr,
 206                                                         char *lastc)    );
 207 _PROTOTYPE( int req_unmount, (endpoint_t fs_e)                          );
 208 _PROTOTYPE( int req_utime, (endpoint_t fs_e, ino_t inode_nr,
 209                                         time_t actime, time_t modtime)  );
 210 _PROTOTYPE( int req_newdriver, (endpoint_t fs_e, Dev_t dev,
 211             endpoint_t driver_e)                                        );
 212
 213 /* stadir.c */
 214 _PROTOTYPE( int do_chdir, (void)                                        );
 215 _PROTOTYPE( int do_fchdir, (void)                                       );
 216 _PROTOTYPE( int do_chroot, (void)                                       );
 217 _PROTOTYPE( int do_fstat, (void)                                        );
 218 _PROTOTYPE( int do_stat, (void)                                         );
 219 _PROTOTYPE( int do_fstatfs, (void)                                      );
 220 _PROTOTYPE( int do_rdlink, (void)                                      );
 221 _PROTOTYPE( int do_lstat, (void)                                       );
 222
 223 /* time.c */
 224 _PROTOTYPE( int do_utime, (void)                                        );
 225
 226 /* utility.c */
 227 _PROTOTYPE( time_t clock_time, (void)                                   );
 228 _PROTOTYPE( unsigned conv2, (int norm, int w)                           );
 229 _PROTOTYPE( long conv4, (int norm, long x)                              );
 230 _PROTOTYPE( int fetch_name, (char *path, int len, int flag)             );
 231 _PROTOTYPE( int no_sys, (void)                                          );
 232 _PROTOTYPE( int isokendpt_f, (char *f, int l, int e, int *p, int ft));
 233 _PROTOTYPE( void panic, (char *who, char *mess, int num)                );
 234
 235 #define okendpt(e, p) isokendpt_f(__FILE__, __LINE__, (e), (p), 1)
 236 #define isokendpt(e, p) isokendpt_f(__FILE__, __LINE__, (e), (p), 0)
 237
 238 /* vmnt.c */
 239 _PROTOTYPE( struct vmnt *get_free_vmnt, (short *index)                  );
 240 _PROTOTYPE( struct vmnt *find_vmnt, (int fs_e)                          );
 241
 242 /* vnode.c */
 243 _PROTOTYPE( struct vnode *get_free_vnode, (void)                        );
 244 _PROTOTYPE( struct vnode *find_vnode, (int fs_e, int numb)              );
 245 _PROTOTYPE( void dup_vnode, (struct vnode *vp)                          );
 246 _PROTOTYPE( void put_vnode, (struct vnode *vp)                          );
 247 _PROTOTYPE( void vnode_clean_refs, (struct vnode *vp)                   );
 248 #if DO_SANITYCHECKS
 249 _PROTOTYPE( int check_vrefs, (void)                     );
 250 #endif
 251
 252 /* write.c */
 253 _PROTOTYPE( int do_write, (void)                                        );
 254
 255 /* select.c */
 256 _PROTOTYPE( int do_select, (void)                                       );
 257 _PROTOTYPE( int select_callback, (struct filp *, int ops)               );
 258 _PROTOTYPE( void select_forget, (int fproc)                             );
 259 _PROTOTYPE( void select_timeout_check, (timer_t *)                      );
 260 _PROTOTYPE( void init_select, (void)                                    );
 261 _PROTOTYPE( void select_unsuspend_by_endpt, (endpoint_t proc)           );
 262 _PROTOTYPE( int select_notified, (int major, int minor, int ops)        );
 263
 264 /* timers.c */
 265 _PROTOTYPE( void fs_set_timer, (timer_t *tp, int delta,
 266             tmr_func_t watchdog, int arg)                               );
 267 _PROTOTYPE( void fs_expire_timers, (clock_t now)                        );
 268 _PROTOTYPE( void fs_cancel_timer, (timer_t *tp)                         );
 269 _PROTOTYPE( void fs_init_timer, (timer_t *tp)                           );
 270
 271