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720b8dc052
Block backends defined with "-drive if=T" with T other than "none" are
meant to be picked up by machine initialization code: a suitable
frontend gets created and wired up automatically.
If machine initialization code doesn't comply, the block backend
remains unused. This triggers a warning since commit a66c9dc, v2.2.0.
Drives created by default are exempted; use -nodefaults to get rid of
them.
Turn this warning into an error.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487153147-11530-8-git-send-email-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
67 lines
2.0 KiB
C
67 lines
2.0 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/block.h"
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#include "qemu/queue.h"
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void blockdev_mark_auto_del(BlockBackend *blk);
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void blockdev_auto_del(BlockBackend *blk);
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typedef enum {
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IF_DEFAULT = -1, /* for use with drive_add() only */
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/*
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* IF_NONE must be zero, because we want MachineClass member
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* block_default_type to default-initialize to IF_NONE
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*/
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IF_NONE = 0,
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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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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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bool is_default; /* Added by default_drive() ? */
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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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char *serial;
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QTAILQ_ENTRY(DriveInfo) next;
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};
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DriveInfo *blk_legacy_dinfo(BlockBackend *blk);
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DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo);
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BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo);
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void override_max_devs(BlockInterfaceType type, int max_devs);
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DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
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void drive_check_orphaned(void);
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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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int drive_get_max_devs(BlockInterfaceType type);
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DriveInfo *drive_get_next(BlockInterfaceType type);
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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_new(QemuOpts *arg, BlockInterfaceType block_default_type);
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/* device-hotplug */
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void hmp_commit(Monitor *mon, const QDict *qdict);
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void hmp_drive_del(Monitor *mon, const QDict *qdict);
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#endif
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