blockdev.h revision e1e03df288d5a44bfbffbd86588395c7cbbc27df 
1/*
2 * QEMU host block devices
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2 or
7 * later.  See the COPYING file in the top-level directory.
8 */
9
10#ifndef BLOCKDEV_H
11#define BLOCKDEV_H
12
13#include "block/block.h"
14#include "qemu-queue.h"
15
16void blockdev_mark_auto_del(BlockDriverState *bs);
17void blockdev_auto_del(BlockDriverState *bs);
18
19#define BLOCK_SERIAL_STRLEN 20
20
21struct DriveInfo {
22    BlockDriverState *bdrv;
23    char *id;
24    const char *devaddr;
25    BlockInterfaceType type;
26    int bus;
27    int unit;
28    int auto_del;               /* see blockdev_mark_auto_del() */
29    QemuOpts *opts;
30    char serial[BLOCK_SERIAL_STRLEN + 1];
31    QTAILQ_ENTRY(DriveInfo) next;
32};
33
34#define MAX_IDE_DEVS	2
35#define MAX_SCSI_DEVS	7
36
37extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
38extern int drive_get_max_bus(BlockInterfaceType type);
39extern void drive_uninit(DriveInfo *dinfo);
40extern DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
41
42extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
43extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,
44                             int *fatal_error);
45
46/* device-hotplug */
47
48DriveInfo *add_init_drive(const char *opts);
49
50void do_commit(Monitor *mon, const QDict *qdict);
51int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
52int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);
53int do_change_block(Monitor *mon, const char *device,
54                    const char *filename, const char *fmt);
55
56#endif
57