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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 |
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| linux | ||
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