linux-kernel - How do you determine if in secure boot mode from a static driver/module?

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Message-ID: <CAGRSmLu2znMPdECspDYmupHUjH17qeiJeFdCjPykhnOKHU0QoA@mail.gmail.com>
Date:   Tue, 22 Jun 2021 08:43:20 -0700
From:   "David F." <df7729@...il.com>
To:     linux-kernel <linux-kernel@...r.kernel.org>
Subject: How do you determine if in secure boot mode from a static driver/module?

Hi,

Subject says it all.  Given a static driver linked in to the kernel,
what is the best way for it to determine if the system has booted with
secure boot enabled?   It looks like if I could access the bootparams
struct there is a "secure_boot" member set on kernel startup from EFI
handover.

Thanks.