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Move the process of enabling a subchannel for use by vfio-ccw into the FSM, such that it can manage the sequence of lifecycle events for the device. That is, if the FSM state is NOT_OPER(erational), then do the work that would enable the subchannel and move the FSM to STANDBY state. An attempt to perform this event again from any of the other operating states (IDLE, CP_PROCESSING, CP_PENDING) will convert the device back to NOT_OPER so the configuration process can be started again. Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Link: https://lore.kernel.org/r/20220707135737.720765-9-farman@linux.ibm.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.