pseries: Small cleanup to H_CEDE implementation
[qemu/opensuse.git] / blockdev.h
blob5f27b643be7b9f550a355e9d89863f1b65d203e9
1 /*
2 * QEMU host block devices
4 * Copyright (c) 2003-2008 Fabrice Bellard
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 */
10 #ifndef BLOCKDEV_H
11 #define BLOCKDEV_H
13 #include "block.h"
14 #include "error.h"
15 #include "qemu-queue.h"
17 void blockdev_mark_auto_del(BlockDriverState *bs);
18 void blockdev_auto_del(BlockDriverState *bs);
20 typedef enum {
21 IF_DEFAULT = -1, /* for use with drive_add() only */
22 IF_NONE,
23 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
24 IF_COUNT
25 } BlockInterfaceType;
27 struct DriveInfo {
28 BlockDriverState *bdrv;
29 char *id;
30 const char *devaddr;
31 BlockInterfaceType type;
32 int bus;
33 int unit;
34 int auto_del; /* see blockdev_mark_auto_del() */
35 int media_cd;
36 int cyls, heads, secs, trans;
37 QemuOpts *opts;
38 const char *serial;
39 QTAILQ_ENTRY(DriveInfo) next;
40 int refcount;
43 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
44 DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
45 int drive_get_max_bus(BlockInterfaceType type);
46 DriveInfo *drive_get_next(BlockInterfaceType type);
47 void drive_get_ref(DriveInfo *dinfo);
48 void drive_put_ref(DriveInfo *dinfo);
49 DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
51 QemuOpts *drive_def(const char *optstr);
52 QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
53 const char *optstr);
54 DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi);
56 /* device-hotplug */
58 DriveInfo *add_init_drive(const char *opts);
60 void qmp_change_blockdev(const char *device, const char *filename,
61 bool has_format, const char *format, Error **errp);
62 void do_commit(Monitor *mon, const QDict *qdict);
63 int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
64 #endif