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Markus Armbruster666daa62010-06-02 18:48:27 +02001/*
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.h"
14#include "qemu-queue.h"
15
Markus Armbruster14bafc52010-06-25 08:09:10 +020016void blockdev_mark_auto_del(BlockDriverState *bs);
17void blockdev_auto_del(BlockDriverState *bs);
18
Markus Armbruster666daa62010-06-02 18:48:27 +020019#define BLOCK_SERIAL_STRLEN 20
20
Markus Armbruster904ebff2011-01-28 11:21:38 +010021typedef enum {
Markus Armbruster2292dda2011-01-28 11:21:41 +010022 IF_DEFAULT = -1, /* for use with drive_add() only */
Markus Armbruster904ebff2011-01-28 11:21:38 +010023 IF_NONE,
24 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
25 IF_COUNT
26} BlockInterfaceType;
27
Blue Swirl24463332010-08-24 15:22:24 +000028struct DriveInfo {
Markus Armbruster666daa62010-06-02 18:48:27 +020029 BlockDriverState *bdrv;
30 char *id;
31 const char *devaddr;
32 BlockInterfaceType type;
33 int bus;
34 int unit;
Markus Armbruster14bafc52010-06-25 08:09:10 +020035 int auto_del; /* see blockdev_mark_auto_del() */
Markus Armbruster95b5edc2011-05-16 15:04:56 +020036 int media_cd;
Markus Armbruster666daa62010-06-02 18:48:27 +020037 QemuOpts *opts;
Markus Armbruster666daa62010-06-02 18:48:27 +020038 char serial[BLOCK_SERIAL_STRLEN + 1];
39 QTAILQ_ENTRY(DriveInfo) next;
Marcelo Tosatti84fb3922011-01-26 12:12:32 -020040 int refcount;
Blue Swirl24463332010-08-24 15:22:24 +000041};
Markus Armbruster666daa62010-06-02 18:48:27 +020042
Stefan Weil6ea421f2010-09-23 20:47:32 +020043DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
Markus Armbrusterf1bd51a2011-01-28 11:21:44 +010044DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
Stefan Weil6ea421f2010-09-23 20:47:32 +020045int drive_get_max_bus(BlockInterfaceType type);
Markus Armbruster13839972011-01-28 11:21:37 +010046DriveInfo *drive_get_next(BlockInterfaceType type);
Marcelo Tosatti84fb3922011-01-26 12:12:32 -020047void drive_get_ref(DriveInfo *dinfo);
48void drive_put_ref(DriveInfo *dinfo);
Stefan Weil6ea421f2010-09-23 20:47:32 +020049DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
Markus Armbruster666daa62010-06-02 18:48:27 +020050
Markus Armbruster2292dda2011-01-28 11:21:41 +010051QemuOpts *drive_def(const char *optstr);
52QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
Markus Armbruster5645b0f2011-01-31 11:50:09 +010053 const char *optstr);
Markus Armbruster319ae522011-01-28 11:21:46 +010054DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi);
Markus Armbruster666daa62010-06-02 18:48:27 +020055
56/* device-hotplug */
57
58DriveInfo *add_init_drive(const char *opts);
59
60void do_commit(Monitor *mon, const QDict *qdict);
61int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
62int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);
63int do_change_block(Monitor *mon, const char *device,
64 const char *filename, const char *fmt);
Ryan Harper9063f812010-11-12 11:07:13 -060065int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
Jes Sorensenf8882562010-12-16 13:52:16 +010066int do_snapshot_blkdev(Monitor *mon, const QDict *qdict, QObject **ret_data);
Christoph Hellwig6d4a2b32011-01-24 13:32:33 +010067int do_block_resize(Monitor *mon, const QDict *qdict, QObject **ret_data);
Markus Armbruster666daa62010-06-02 18:48:27 +020068
69#endif