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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.h" | |
14 | #include "qemu-queue.h" | |
15 | ||
16 | void blockdev_mark_auto_del(BlockDriverState *bs); | |
17 | void blockdev_auto_del(BlockDriverState *bs); | |
18 | ||
19 | #define BLOCK_SERIAL_STRLEN 20 | |
20 | ||
21 | typedef enum { | |
22 | IF_DEFAULT = -1, /* for use with drive_add() only */ | |
23 | 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 | ||
28 | struct DriveInfo { | |
29 | BlockDriverState *bdrv; | |
30 | char *id; | |
31 | const char *devaddr; | |
32 | BlockInterfaceType type; | |
33 | int bus; | |
34 | int unit; | |
35 | int auto_del; /* see blockdev_mark_auto_del() */ | |
36 | QemuOpts *opts; | |
37 | char serial[BLOCK_SERIAL_STRLEN + 1]; | |
38 | QTAILQ_ENTRY(DriveInfo) next; | |
39 | int refcount; | |
40 | }; | |
41 | ||
42 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); | |
43 | DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); | |
44 | int drive_get_max_bus(BlockInterfaceType type); | |
45 | DriveInfo *drive_get_next(BlockInterfaceType type); | |
46 | void drive_get_ref(DriveInfo *dinfo); | |
47 | void drive_put_ref(DriveInfo *dinfo); | |
48 | DriveInfo *drive_get_by_blockdev(BlockDriverState *bs); | |
49 | ||
50 | QemuOpts *drive_def(const char *optstr); | |
51 | QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, | |
52 | const char *optstr); | |
53 | DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi); | |
54 | ||
55 | /* device-hotplug */ | |
56 | ||
57 | DriveInfo *add_init_drive(const char *opts); | |
58 | ||
59 | void do_commit(Monitor *mon, const QDict *qdict); | |
60 | int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
61 | int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
62 | int do_change_block(Monitor *mon, const char *device, | |
63 | const char *filename, const char *fmt); | |
64 | int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
65 | int do_snapshot_blkdev(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
66 | int do_block_resize(Monitor *mon, const QDict *qdict, QObject **ret_data); | |
67 | ||
68 | #endif |