The GSC will perform both the load and the authentication, so we just need to check the auth bit after the GSC has replied. Since we require the PXP module to load the HuC, the earliest we can trigger the load is during the pxp_bind operation. Note that GSC-loaded HuC survives GT reset, so we need to just mark it as ready when we re-init the GT HW. V2: move setting of HuC fw error state to the failure path of the HuC auth function, so it covers both the legacy and new auth flows V4: 1. Fix typo in the commit message 2. style fix in intel_huc_wait_for_auth_complete() Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-11-daniele.ceraolospurio@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 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.
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