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      1 /*  $NetBSD: perfused.h,v 1.11 2021/12/04 06:42:39 pho Exp $ */
      2 
      3 /*-
      4  *  Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved.
      5  *
      6  *  Redistribution and use in source and binary forms, with or without
      7  *  modification, are permitted provided that the following conditions
      8  *  are met:
      9  *  1. Redistributions of source code must retain the above copyright
     10  *     notice, this list of conditions and the following disclaimer.
     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  *
     15  *  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     16  *  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18  *  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     19  *  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  *  POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _PERFUSED_H_
     29 #define _PERFUSED_H_
     30 
     31 #include <puffs.h>
     32 #include "../../lib/libperfuse/perfuse_if.h"
     33 
     34 #define PERFUSE_MSG_T struct puffs_framebuf
     35 
     36 #define _PATH_VAR_RUN_PERFUSE_TRACE "/var/run/perfused%s.trace"
     37 
     38 __BEGIN_DECLS
     39 
     40 #ifdef PERFUSE_DEBUG
     41 void perfused_hexdump(const char *, size_t);
     42 const char *perfused_opname(int);
     43 extern int perfused_diagflags;
     44 #endif /* PERFUSE_DEBUG */
     45 
     46 int perfused_open_sock(void);
     47 void *perfused_recv_early(int, struct sockcred *, size_t);
     48 int perfused_readframe(struct puffs_usermount *,
     49      struct puffs_framebuf *, int, int *);
     50 int perfused_writeframe(struct puffs_usermount *,
     51      struct puffs_framebuf *, int, int *);
     52 int perfused_cmpframe(struct puffs_usermount *,
     53      struct puffs_framebuf *, struct puffs_framebuf *, int *);
     54 void perfused_gotframe(struct puffs_usermount *, struct puffs_framebuf *);
     55 void perfused_fdnotify(struct puffs_usermount *, int, int) __dead;
     56 
     57 struct fuse_out_header *perfused_get_outhdr(perfuse_msg_t *);
     58 struct fuse_in_header *perfused_get_inhdr(perfuse_msg_t *);
     59 char *perfused_get_inpayload(perfuse_msg_t *);
     60 char *perfused_get_outpayload(perfuse_msg_t *);
     61 void perfused_umount(struct puffs_usermount *);
     62 
     63 perfuse_msg_t *perfused_new_pb(struct puffs_usermount *,
     64     puffs_cookie_t, int, size_t, const struct puffs_cred *);
     65 int perfused_xchg_pb(struct puffs_usermount *, perfuse_msg_t *, size_t,
     66     enum perfuse_xchg_pb_reply);
     67 
     68 void perfused_panic(void) __dead;
     69 
     70 __END_DECLS
     71 
     72 #endif /* _PERFUSED_H_ */
     73