[Xen-devel] [PATCH 6 of 7] blktap2: The tap-ctl userspace control utility and library

[Daniel Stodden <daniel.stodden@xxxxxxxxxx>]

Tapdisk control in userspace, a replacement for the original blktap2
control stack, which had to pass a kernel space interface based on
sysfs nodes.

All tapdisk processes listen for commands on a unix stream socket. The
control library supports scanning the socket namespace for running
tapdisks, VBD minors allocated, associated images and state inquiry.

Control operations include allocating/releasing devices, spawning
tapdisks, opening/closing images, attaching disk images to
devices. disk pause/resume operations and runtime switching of disk
images.

Signed-off-by: Jake Wires <jake.wires@xxxxxxxxxx>
Signed-off-by: Daniel Stodden <daniel.stodden@xxxxxxxxxx>

Attachment: tap-ctl.diff
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