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author | Keir Fraser <keir.fraser@citrix.com> | 2009-07-01 10:53:15 +0100 |
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committer | Keir Fraser <keir.fraser@citrix.com> | 2009-07-01 10:53:15 +0100 |
commit | 286423408d7a6b4bd427a2b3a60474e6bce95f66 (patch) | |
tree | 22e27e2290c8b8d15e76b2e148bb620ea35b2dc2 /tools/debugger | |
parent | 756b7b81f963dfc25d5ced1f54b068a8cc6df14e (diff) | |
download | xen-286423408d7a6b4bd427a2b3a60474e6bce95f66.tar.gz xen-286423408d7a6b4bd427a2b3a60474e6bce95f66.tar.bz2 xen-286423408d7a6b4bd427a2b3a60474e6bce95f66.zip |
blktap2: add blktap2 device class and device controller
blktap2 devices must be handled differently than blktap2
devices. blktap2 devices require a sysfs write to close the underlying
device, as well as extra sysfs writes when the domU is
paused/unpaused. The differences between blktap1 and blktap2 are great
enough to warrant the creation of a new device class, 'tap2', and
device controller for blktap2 devices.
* add a new device controller (Blktap2Controller) and device class
(tap2) for blktap2 devices
* move blktap2 specific code from DevController to Blktap2Controller
* if possible, check xenstore to determine block device class
* use vmpath (/vm/<uuid>/) when releasing devices
* modify linux hotplug cleanup script to handle blktap2 device
removal
Signed-off-by: Ryan O'Connor <rjo@cs.ubc.ca>
Diffstat (limited to 'tools/debugger')
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