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authorMarkus Armbruster <armbru@redhat.com>2010-05-05 16:36:52 +0200
committerKevin Wolf <kwolf@redhat.com>2010-07-02 13:18:02 +0200
commitf8b6cc0070aab8b75bd082582c829be1353f395f (patch)
treed521575597a421e5dd9c7cdbc65745031fffe149 /blockdev.h
parent14bafc540774baf316e9ce2474e97d5df6cb8e6c (diff)
qdev: Decouple qdev_prop_drive from DriveInfo
Make the property point to BlockDriverState, cutting out the DriveInfo middleman. This prepares the ground for block devices that don't have a DriveInfo. Currently all user-defined ones have a DriveInfo, because the only way to define one is -drive & friends (they go through drive_init()). DriveInfo is closely tied to -drive, and like -drive, it mixes information about host and guest part of the block device. I'm working towards a new way to define block devices, with clean host/guest separation, and I need to get DriveInfo out of the way for that. Fortunately, the device models are perfectly happy with BlockDriverState, except for two places: ide_drive_initfn() and scsi_disk_initfn() need to check the DriveInfo for a serial number set with legacy -drive serial=... Use drive_get_by_blockdev() there. Device model code should now use DriveInfo only when explicitly dealing with drives defined the old way, i.e. without -device. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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