[v6,0/5] Add Tegra Security Engine driver

Message

Akhil R March 19, 2024, 8:23 a.m. UTC

Add support for Tegra Security Engine which can accelerates various
crypto algorithms. The Engine has two separate instances within for
AES and HASH algorithms respectively.

The driver registers two crypto engines - one for AES and another for
HASH algorithms and these operate independently and both uses the host1x
bus. Additionally, it provides  hardware-assisted key protection for up to
15 symmetric keys which it can use for the cipher operations.

v5->v6:
* Move copy/pase of intermediate results in export()/import() to
  'update()' callback for CMAC as well.
* Check for rctx size when using fallback alg.
* Updated blocksizes to align with generic implementation
* Combined GCM and CCM init into aead_cra_init
* Updates to handle invalid cases better
* Reduce log levels for invalid cases to dev_dbg
v4->v5:
* Move copy/paste of intermediate results in export()/import() to
  'update()' callback
v3->v4:
* Remove unused header in bindings doc.
* Update commit message in host1x change.
* Fix test bot warning.
v2->v3:
* Update compatible in driver and device trees.
* Remove extra new lines and symbols in binding doc.
v1->v2:
* Update probe errors with 'dev_err_probe'.
* Clean up function prototypes and redundant prints.
* Remove readl/writel wrappers.
* Fix test bot warnings.

Akhil R (5):
  dt-bindings: crypto: Add Tegra Security Engine
  gpu: host1x: Add Tegra SE to SID table
  crypto: tegra: Add Tegra Security Engine driver
  arm64: defconfig: Enable Tegra Security Engine
  arm64: tegra: Add Tegra Security Engine DT nodes

 .../crypto/nvidia,tegra234-se-aes.yaml        |   52 +
 .../crypto/nvidia,tegra234-se-hash.yaml       |   52 +
 MAINTAINERS                                   |    5 +
 arch/arm64/boot/dts/nvidia/tegra234.dtsi      |   16 +
 arch/arm64/configs/defconfig                  |    1 +
 drivers/crypto/Kconfig                        |    8 +
 drivers/crypto/Makefile                       |    1 +
 drivers/crypto/tegra/Makefile                 |    9 +
 drivers/crypto/tegra/tegra-se-aes.c           | 1960 +++++++++++++++++
 drivers/crypto/tegra/tegra-se-hash.c          | 1055 +++++++++
 drivers/crypto/tegra/tegra-se-key.c           |  156 ++
 drivers/crypto/tegra/tegra-se-main.c          |  439 ++++
 drivers/crypto/tegra/tegra-se.h               |  569 +++++
 drivers/gpu/host1x/dev.c                      |   24 +
 14 files changed, 4347 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/nvidia,tegra234-se-aes.yaml
 create mode 100644 Documentation/devicetree/bindings/crypto/nvidia,tegra234-se-hash.yaml
 create mode 100644 drivers/crypto/tegra/Makefile
 create mode 100644 drivers/crypto/tegra/tegra-se-aes.c
 create mode 100644 drivers/crypto/tegra/tegra-se-hash.c
 create mode 100644 drivers/crypto/tegra/tegra-se-key.c
 create mode 100644 drivers/crypto/tegra/tegra-se-main.c
 create mode 100644 drivers/crypto/tegra/tegra-se.h