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d2662072c0
The top 4 bits of the fw_status in dev_info_regs is reserved for the status generation. This generation number is an arbitrary value defined when firmware starts up. If the FW is killed/crashed/stopped and then restarted, it will create a different generation number. With this mechanism, the host driver can detect that the FW has crashed and restarted, and the driver can then take steps to re-initialize its connection. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
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.