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3 Commits

Author SHA1 Message Date
Kees Cook
0d46690155 drm/nouveau/secboot/acr: Remove VLA usage 
In the quest to remove all stack VLA usage from the kernel[1], this
allocates the working buffers before starting the writing so it won't
abort in the middle. This needs an initial walk of the lists to figure
out how large the buffer should be.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
 2018-07-16 18:06:30 +10:00
Alexandre Courbot
2963a06a4d drm/nouveau/secboot: pass instance to LS firmware loaders 
Having access to the secboot instance loading a LS firmware can be
useful to LS firmware handlers. At least more useful than just having an
out-of-context subdev pointer.

GP10B's firmware will also need to know the WPR address, which can be
obtained from the secboot instance.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
 2017-04-06 14:39:04 +10:00
Alexandre Courbot
0f8fb2ab1e drm/nouveau/secboot: support for r367 ACR 
r367 uses a different hsflcn_desc layout and LS firmware signature
format, requiring a rewrite of some functions.

It also makes use of the shadow region, and uses SEC as the boot falcon.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
 2017-03-07 17:05:16 +10:00