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qemu-nbd tool (Anthony Liguori)
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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
31 int nbd_negotiate(BlockDriverState *bs, int csock, off_t size);
32 int nbd_receive_negotiate(int fd, int csock);
33 int nbd_trip(BlockDriverState *bs, int csock, off_t size, uint64_t dev_offset, off_t *offset, bool readonly);
34 int nbd_client(int fd, int csock);
35 int nbd_disconnect(int fd);
36
37 #endif