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xen: export device state to sysfs

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Export device state to sysfs to allow for easier get device state.

Signed-off-by: Joe Jin <joe.jin@oracle.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Joe Jin
2018-08-28 07:56:08 -07:00
committed by Boris Ostrovsky
parent b2d7a075a1
commit 076e2cedd6
2 changed files with 18 additions and 0 deletions
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Documentation/ABI/stable/sysfs-bus-xen-backend
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@@ -73,3 +73,12 @@ KernelVersion: 3.0
Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Description:
Number of sectors written by the frontend.
What: /sys/bus/xen-backend/devices/*/state
Date: August 2018
KernelVersion: 4.19
Contact: Joe Jin <joe.jin@oracle.com>
Description:
The state of the device. One of: 'Unknown',
'Initialising', 'Initialised', 'Connected', 'Closing',
'Closed', 'Reconfiguring', 'Reconfigured'.