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577d0a3807
All current users (IDE, SCSI and virtio-blk) happen to share this 20 characters limit. Still, it should be left to device models. They already enforce their limits. They have to, as the DriveInfo limit only affects legacy -drive serial=..., not the qdev properties. usb-storage, which doesn't limit serial number length, also uses DriveInfo for -usbdevice. But that doesn't provide access to DriveInfo serial. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* QEMU host block devices
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#ifndef BLOCKDEV_H
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#define BLOCKDEV_H
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#include "block.h"
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#include "error.h"
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#include "qemu-queue.h"
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void blockdev_mark_auto_del(BlockDriverState *bs);
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void blockdev_auto_del(BlockDriverState *bs);
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typedef enum {
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IF_DEFAULT = -1, /* for use with drive_add() only */
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IF_NONE,
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IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
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IF_COUNT
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} BlockInterfaceType;
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struct DriveInfo {
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BlockDriverState *bdrv;
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char *id;
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const char *devaddr;
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BlockInterfaceType type;
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int bus;
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int unit;
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int auto_del; /* see blockdev_mark_auto_del() */
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int media_cd;
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int cyls, heads, secs, trans;
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QemuOpts *opts;
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const char *serial;
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QTAILQ_ENTRY(DriveInfo) next;
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int refcount;
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};
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DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
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DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
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int drive_get_max_bus(BlockInterfaceType type);
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DriveInfo *drive_get_next(BlockInterfaceType type);
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void drive_get_ref(DriveInfo *dinfo);
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void drive_put_ref(DriveInfo *dinfo);
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DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);
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QemuOpts *drive_def(const char *optstr);
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QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
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const char *optstr);
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DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi);
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/* device-hotplug */
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DriveInfo *add_init_drive(const char *opts);
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void qmp_change_blockdev(const char *device, const char *filename,
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bool has_format, const char *format, Error **errp);
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void do_commit(Monitor *mon, const QDict *qdict);
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int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
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#endif
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