nbd.h

   1 /*\
   2  *  Copyright (C) 2005  Anthony Liguori <anthony@codemonkey.ws>
   3  *
   4  *  Network Block Device
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; under version 2 of the License.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 \*/
  19
  20 #ifndef NBD_H
  21 #define NBD_H
  22
  23 #include <sys/types.h>
  24 #include <stdbool.h>
  25
  26 #include <qemu-common.h>
  27 #include "block_int.h"
  28
  29 int tcp_socket_incoming(const char *address, uint16_t port);
  30 int unix_socket_outgoing(const char *path);
  31 int unix_socket_incoming(const char *path);
  32
  33 int nbd_negotiate(BlockDriverState *bs, int csock, off_t size);
  34 int nbd_receive_negotiate(int csock, off_t *size, size_t *blocksize);
  35 int nbd_init(int fd, int csock, off_t size, size_t blocksize);
  36 int nbd_trip(BlockDriverState *bs, int csock, off_t size, uint64_t dev_offset, off_t *offset, bool readonly);
  37 int nbd_client(int fd, int csock);
  38 int nbd_disconnect(int fd);
  39
  40 #endif