plugins/golang/src/libguestfs.org/nbdkit/wrappers.h

   1 /* cgo wrappers.
   2  * Copyright Red Hat
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * 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  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 extern void    wrapper_load ();
  34 extern void    wrapper_unload ();
  35 extern void    wrapper_dump_plugin ();
  36 extern int     wrapper_config (const char *key, const char *value);
  37 extern int     wrapper_config_complete (void);
  38 extern int     wrapper_get_ready (void);
  39 extern int     wrapper_preconnect (int readonly);
  40 extern void *  wrapper_open (int readonly);
  41 extern void    wrapper_close (void *handle);
  42 extern int64_t wrapper_get_size (void *handle);
  43 extern int     wrapper_can_write (void *handle);
  44 extern int     wrapper_can_flush (void *handle);
  45 extern int     wrapper_is_rotational (void *handle);
  46 extern int     wrapper_can_trim (void *handle);
  47 extern int     wrapper_can_zero (void *handle);
  48 extern int     wrapper_can_multi_conn (void *handle);
  49 extern int     wrapper_pread (void *handle, void *buf,
  50                               uint32_t count, uint64_t offset, uint32_t flags);
  51 extern int     wrapper_pwrite (void *handle, const void *buf,
  52                                uint32_t count, uint64_t offset, uint32_t flags);
  53 extern int     wrapper_flush (void *handle, uint32_t flags);
  54 extern int     wrapper_trim (void *handle,
  55                              uint32_t count, uint64_t offset, uint32_t flags);
  56 extern int     wrapper_zero (void *handle,
  57                              uint32_t count, uint64_t offset, uint32_t flags);