[Nouveau] [PATCH 0/8] Secure Boot refactoring

Karol Herbst karolherbst at gmail.com
Tue Oct 11 06:57:56 UTC 2016


Is it just me or is the 5th patch lost?

Am Dienstag, 11. Oktober 2016 schrieb Alexandre Courbot :

> Hi everyone,
>
> Apologies for the big patchset. This is a rework of the secure boot code
> that
> moves the building of the blob into its own set of source files (and own
> hooks),
> making the code more flexible and (hopefully) easier to understand as well.
>
> This rework is needed to support more signed firmware for existing and new
> chips. Since the firmwares in question are not available yet I cannot send
> the
> code for them yet, but hopefully the gain in clarity will be enough to
> merge
> this series ahead of the rest.
>
> Patch 1 is just to make nv*_printk() more tolerent of my use of const
> pointers.
> Patch 2 lays the foundation of a small common falcon library that could
> avoid
> duplicated code in various parts of the driver. Right now only secure boot
> makes
> use of it (patch 3), but there are many potential users (GR, PMU, etc). I
> will
> test users and send further patches making use of it.
>
> Patch 4 renames a hook to something better describing its actual use.
>
> Patch 5 is where the big refactoring occurs. It looks scary, but is really
> just
> moving code (and introducing the nvkm_acr structures).
>
> Patch 6, 7 and 8 remove a few HS hooks that turn out to be unneeded, and
> add
> support for LS hooks.
>
> The end result can be observed by looking at acr_v1_gm20b.c: all the
> specifics
> of GM20B's firmware are handled in a single file, with no data structures
> shared
> with acr_v1.c. The gm20b_acr_v1_ls_func variable also describes clearly
> what
> LS firmwares are to be loaded and how.
>
> Alexandre Courbot (8):
>   core: constify nv*_printk macros
>   core: add falcon library
>   secboot: use falcon library's IMEM/DMEM loading functions
>   secboot: rename init() hook to oneinit()
>   secboot: move ACR building logic into own source files
>   secboot: remove fixup_hs_desc hook
>   secboot: add low-secure firmware hooks
>   secboot: generate HS BL descriptor in hook
>
>  drm/nouveau/include/nvkm/core/client.h         |    4 +-
>  drm/nouveau/include/nvkm/core/device.h         |    2 +-
>  drm/nouveau/include/nvkm/core/falcon.h         |   50 +
>  drm/nouveau/include/nvkm/core/subdev.h         |    2 +-
>  drm/nouveau/include/nvkm/subdev/secboot.h      |   33 +-
>  drm/nouveau/nvkm/core/Kbuild                   |    1 +
>  drm/nouveau/nvkm/core/falcon.c                 |   62 ++
>  drm/nouveau/nvkm/engine/gr/gf100.c             |   16 +-
>  drm/nouveau/nvkm/engine/gr/gm200.c             |    6 +-
>  drm/nouveau/nvkm/subdev/secboot/Kbuild         |    2 +
>  drm/nouveau/nvkm/subdev/secboot/acr.h          |   67 ++
>  drm/nouveau/nvkm/subdev/secboot/acr_v1.c       | 1193
> ++++++++++++++++++++
>  drm/nouveau/nvkm/subdev/secboot/acr_v1.h       |  346 ++++++
>  drm/nouveau/nvkm/subdev/secboot/acr_v1_gm20b.c |  135 +++
>  drm/nouveau/nvkm/subdev/secboot/base.c         |  113 +-
>  drm/nouveau/nvkm/subdev/secboot/gm200.c        | 1386
> +-----------------------
>  drm/nouveau/nvkm/subdev/secboot/gm200.h        |   43 +
>  drm/nouveau/nvkm/subdev/secboot/gm20b.c        |  141 +--
>  drm/nouveau/nvkm/subdev/secboot/priv.h         |  208 +---
>  19 files changed, 2072 insertions(+), 1738 deletions(-)
>  create mode 100644 drm/nouveau/include/nvkm/core/falcon.h
>  create mode 100644 drm/nouveau/nvkm/core/falcon.c
>  create mode 100644 drm/nouveau/nvkm/subdev/secboot/acr.h
>  create mode 100644 drm/nouveau/nvkm/subdev/secboot/acr_v1.c
>  create mode 100644 drm/nouveau/nvkm/subdev/secboot/acr_v1.h
>  create mode 100644 drm/nouveau/nvkm/subdev/secboot/acr_v1_gm20b.c
>  create mode 100644 drm/nouveau/nvkm/subdev/secboot/gm200.h
>
> --
> 2.10.0
>
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