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/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef NBDKIT_METHODS_H
#define NBDKIT_METHODS_H
extern void sh_dump_plugin (void);
extern int sh_thread_model (void);
extern int sh_get_ready (void);
extern int sh_after_fork (void);
extern int sh_preconnect (int readonly);
extern int sh_list_exports (int readonly, int default_only,
struct nbdkit_exports *exports);
extern const char *sh_default_export (int readonly, int is_tls);
extern void *sh_open (int readonly);
extern void sh_close (void *handle);
extern const char *sh_export_description (void *handle);
extern int64_t sh_get_size (void *handle);
extern int sh_block_size (void *handle,
uint32_t *minimum, uint32_t *preferred,
uint32_t *maximum);
extern int sh_pread (void *handle, void *buf, uint32_t count, uint64_t offset,
uint32_t flags);
extern int sh_pwrite (void *handle, const void *buf, uint32_t count,
uint64_t offset, uint32_t flags);
extern int sh_can_write (void *handle);
extern int sh_can_flush (void *handle);
extern int sh_is_rotational (void *handle);
extern int sh_can_trim (void *handle);
extern int sh_can_zero (void *handle);
extern int sh_can_extents (void *handle);
extern int sh_can_fua (void *handle);
extern int sh_can_multi_conn (void *handle);
extern int sh_can_cache (void *handle);
extern int sh_can_fast_zero (void *handle);
extern int sh_flush (void *handle, uint32_t flags);
extern int sh_trim (void *handle, uint32_t count, uint64_t offset,
uint32_t flags);
extern int sh_zero (void *handle, uint32_t count, uint64_t offset,
uint32_t flags);
extern int sh_extents (void *handle, uint32_t count, uint64_t offset,
uint32_t flags, struct nbdkit_extents *extents);
extern int sh_cache (void *handle, uint32_t count, uint64_t offset,
uint32_t flags);
#endif /* NBDKIT_METHODS_H */
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