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afc3b50954
Previously, per-package staging invocations and their associated state
data were established. The next step is to implement the actual staging
handler according to the specified protocol. Below are key aspects to
note:
(a) Each staging process must begin by resetting the staging hardware.
(b) The staging hardware processes up to a page-sized chunk of the
microcode image per iteration, requiring software to submit data
incrementally.
(c) Once a data chunk is processed, the hardware responds with an
offset in the image for the next chunk.
(d) The offset may indicate completion or request retransmission of an
already transferred chunk. As long as the total transferred data
remains within the predefined limit (twice the image size),
retransmissions should be acceptable.
Incorporate them in the handler, while data transmission and mailbox
format handling are implemented separately.
[ bp: Sort the headers in a reversed name-length order. ]
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Tested-by: Anselm Busse <abusse@amazon.de>
Link: https://lore.kernel.org/20250320234104.8288-1-chang.seok.bae@intel.com
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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 reStructuredText 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.