Daniele Ceraolo Spurio bd98ac2e05 drm/xe/pxp/uapi: Add a query for PXP status
PXP prerequisites (SW proxy and HuC auth via GSC) are completed
asynchronously from driver load, which means that userspace can start
submitting before we're ready to start a PXP session. Therefore, we need
a query that userspace can use to check not only if PXP is supported but
also to wait until the prerequisites are done.

v2: Improve doc, do not report TYPE_NONE as supported (José)
v3: Better comments, remove unneeded copy_from_user (John)

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250129174140.948829-10-daniele.ceraolospurio@intel.com
2025-02-03 11:51:21 -08:00
2025-01-23 14:42:21 +01:00
2025-01-23 14:42:21 +01:00
2025-01-23 14:42:21 +01:00
2025-01-23 14:42:21 +01:00
2025-01-23 14:42:21 +01:00
2025-01-19 15:51:45 -08:00

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.
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