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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/block.h" | |
14 | #include "qemu/queue.h" | |
15 | ||
16 | void blockdev_mark_auto_del(BlockBackend *blk); | |
17 | void blockdev_auto_del(BlockBackend *blk); | |
18 | ||
19 | typedef enum { | |
20 | IF_DEFAULT = -1, /* for use with drive_add() only */ | |
21 | /* | |
22 | * IF_NONE must be zero, because we want MachineClass member | |
23 | * block_default_type to default-initialize to IF_NONE | |
24 | */ | |
25 | IF_NONE = 0, | |
26 | IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, | |
27 | IF_COUNT | |
28 | } BlockInterfaceType; | |
29 | ||
30 | struct DriveInfo { | |
31 | BlockInterfaceType type; | |
32 | int bus; | |
33 | int unit; | |
34 | int auto_del; /* see blockdev_mark_auto_del() */ | |
35 | bool is_default; /* Added by default_drive() ? */ | |
36 | int media_cd; | |
37 | QemuOpts *opts; | |
38 | QTAILQ_ENTRY(DriveInfo) next; | |
39 | }; | |
40 | ||
41 | DriveInfo *blk_legacy_dinfo(BlockBackend *blk); | |
42 | DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo); | |
43 | BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo); | |
44 | ||
45 | void override_max_devs(BlockInterfaceType type, int max_devs); | |
46 | ||
47 | DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); | |
48 | void drive_mark_claimed_by_board(void); | |
49 | void drive_check_orphaned(void); | |
50 | DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); | |
51 | int drive_get_max_bus(BlockInterfaceType type); | |
52 | int drive_get_max_devs(BlockInterfaceType type); | |
53 | DriveInfo *drive_get_next(BlockInterfaceType type); | |
54 | ||
55 | QemuOpts *drive_def(const char *optstr); | |
56 | QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, | |
57 | const char *optstr); | |
58 | DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type, | |
59 | Error **errp); | |
60 | ||
61 | #endif |