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The bulk SPDX addition made all these files into GPL-2.0 licensed files.
However the remainder of the project is MIT-licensed, these files
were simply missing the boiler plate and got caught up in the global update.
Fixes: 96ac6d4351004 (treewide: Add SPDX license identifier - Kbuild)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Gourav Samaiya <gsamaiya@nvidia.com>
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It's entirely possibly that the other r375 code is relevant to r370 too,
but I've not confirmed this, so I'll leave it where it is for now.
NVIDIA's copyright headers maintained, as it's still all their code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Gourav Samaiya <gsamaiya@nvidia.com>
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GP10B's secboot is largely similar to GM20B's. Only differences are MC
base address and the fact that GPCCS is also securely managed.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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These gp10x chips are supporting using (roughly) the same firmware.
Compared to previous secure chips, ACR runs on SEC2 and so does the
low-secure msgqueue.
ACR for these chips is based on r367.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We will also need to load HS blobs outside of acr_r352 (for instance, to
run the NVDEC VPR scrubber), so make this code reusable.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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r375 ACR uses a unified bootloader descriptor for the GR and PMU
firmwares.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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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>
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r364 is similar to r361, but uses a different hsflcn_desc structure to
introduce the shadow region address (even though it is not yet used by
this version).
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Allow secboot to load a LS PMU firmware. LS PMU is one instance of
firmwares based on the message queue mechanism, which is also used for
other firmwares like SEC, so name its source file accordingly.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Split the act of building the ACR blob from firmware files from the rest
of the (chip-dependent) secure boot logic. ACR logic is moved into
acr_rxxx.c files, where rxxx corresponds to the compatible release of
the NVIDIA driver. At the moment r352 and r361 are supported since
firmwares have been released for these versions. Some abstractions are
added on top of r352 so r361 can easily be implemented on top of it by
just overriding a few hooks.
This split makes it possible and easy to reuse the same ACR version on
different chips. It also hopefully makes the code much more readable as
the different secure boot logics are separated. As more chips and
firmware versions will be supported, this is a necessity to not get lost
in code that is already quite complex.
This is a big commit, but it essentially moves things around (and split
the nvkm_secboot structure into two, nvkm_secboot and nvkm_acr). Code
semantics should not be affected.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Add secure boot support for the GM20B chip found in Tegra X1. Secure
boot on Tegra works slightly differently from desktop, notably in the
way the WPR region is set up.
In addition, the firmware bootloaders use a slightly different header
format.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Add secure-boot for the dGPU set of GM20X chips, using the PMU as the
high-secure falcon.
This work is based on Deepak Goyal's initial port of Secure Boot to
Nouveau.
v2. use proper memory target function
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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On GM200 and later GPUs, firmware for some essential falcons (notably
GR ones) must be authenticated by a NVIDIA-produced signature and
loaded by a high-secure falcon in order to be able to access privileged
registers, in a process known as Secure Boot.
Secure Boot requires building a binary blob containing the firmwares
and signatures of the falcons to be loaded. This blob is then given to
a high-secure falcon running a signed loader firmware that copies the
blob into a write-protected region, checks that the signatures are
valid, and finally loads the verified firmware into the managed falcons
and switches them to privileged mode.
This patch adds infrastructure code to support this process on chips
that require it.
v2:
- The IRQ mask of the PMU falcon was left - replace it with the proper
irq_mask variable.
- The falcon reset procedure expecting a falcon in an initialized state,
which was accidentally provided by the PMU subdev. Make sure that
secboot can manage the falcon on its own.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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