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On sync_reset_now event the driver does reload and PCI link toggle to activate firmware upgrade reset. When the firmware sends this event it syncs the event on all PFs, so all PFs will do PCI link toggle at once. To do PCI link toggle, the driver ensures that no other device ID under the same bridge by checking that all the PF functions under the same PCI bridge have same device ID. If no other device it uses PCI bridge link control to turn link down and up. Signed-off-by: Moshe Shemesh <moshe@mellanox.com> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.