Archipelago » qemu

/*\

 *  Copyright (C) 2005  Anthony Liguori <anthony@codemonkey.ws>

 *

 *  Network Block Device

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; under version 2 of the License.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

\*/

#ifndef NBD_H

#define NBD_H

#include <sys/types.h>

#include <stdbool.h>

#include <qemu-common.h>

#include "block_int.h"

int tcp_socket_incoming(const char *address, uint16_t port);

int unix_socket_outgoing(const char *path);

int unix_socket_incoming(const char *path);

int nbd_negotiate(BlockDriverState *bs, int csock, off_t size);

int nbd_receive_negotiate(int csock, off_t *size, size_t *blocksize);

int nbd_init(int fd, int csock, off_t size, size_t blocksize);

int nbd_trip(BlockDriverState *bs, int csock, off_t size, uint64_t dev_offset,

             off_t *offset, bool readonly, uint8_t *data, int data_size);

int nbd_client(int fd, int csock);

int nbd_disconnect(int fd);

#endif