Re: [PATCH v7 0/4] Add SPAcc Crypto Driver
From: T Pratham
Date: Fri Oct 10 2025 - 02:58:27 EST
Hi
On 07/10/25 12:20, Pavitrakumar Managutte wrote:
> Add the driver for SPAcc(Security Protocol Accelerator), which is a
> crypto acceleration IP from Synopsys. The SPAcc supports multiple ciphers,
> hashes and AEAD algorithms with various modes. The driver currently supports
> below
>
> hash:
> - cmac(aes)
> - xcbc(aes)
> - cmac(sm4)
> - xcbc(sm4)
> - hmac(md5)
> - md5
> - hmac(sha1)
> - sha1
> - sha224
> - sha256
> - sha384
> - sha512
> - hmac(sha224)
> - hmac(sha256)
> - hmac(sha384)
> - hmac(sha512)
> - sha3-224
> - sha3-256
> - sha3-384
> - sha3-512
> - hmac(sm3)
> - sm3
> - michael_mic
>
> Pavitrakumar Managutte (4):
> dt-bindings: crypto: Document support for SPAcc
> Add SPAcc ahash support
> Add SPAcc AUTODETECT Support
> Add SPAcc Kconfig and Makefile
Use appropriate subject prefixes in commits. For crypto drivers, it is "crypto: <org/chip/soc> - <your commit header>". You can find the correct prefixes with `git log --oneline -- DIRECTORY_OR_FILE` on the directory your patch is touching.
>
> changelog:
> v1->v2 changes:
> - Added local_bh_disable() and local_bh_enable() for the below calls.
> a. for ciphers skcipher_request_complete()
> b. for aead aead_request_complete()
> c. for hash ahash_request_complete()
> - dt-bindings updates
> a. removed snps,vspacc-priority and made it into config option
> b. renamed snps,spacc-wdtimer to snps,spacc-internal-counter
> c. Added description to all properties
> - Updated corresponding dt-binding changes to code
>
> v2->v3 changes:
> - cra_init and cra_exit replaced with init_tfm and exit_tfm for hashes.
> - removed mutex_lock/unlock for spacc_skcipher_fallback call
> - dt-bindings updates
> a. updated SOC related information
> b. renamed compatible string as per SOC
> - Updated corresponding dt-binding changes to code
>
> v3->v4 changes:
> - removed snps,vspacc-id from the dt-bindings
> - removed mutex_lock from ciphers
> - replaced magic numbers with macros
> - removed sw_fb variable from struct mode_tab and associated code from the
> hashes
> - polling code is replaced by wait_event_interruptible
>
> v4->v5 changes:
> - Updated to register with the crypto-engine
> - Used semaphore to manage SPAcc device hardware context pool
> - This patchset supports Hashes only
> - Dropping the support for Ciphers and AEADs in this patchset
> - Added Reviewed-by tag on the Device tree patch since it was reviewed on
> v4 patch by Krzysztof Kozlowski and Rob Herring (Arm)
>
> v5->v6 changes:
> - Removed CRYPTO_DEV_SPACC_CIPHER and CRYPTO_DEV_SPACC_AEAD Kconfig options,
> since the cipher and aead support is not part of this patchset
> - Dropped spacc_skcipher.o and spacc_aead.o from Makefile to fix build errors
> reported by kernel test robot
> - Added Reported-by and Closes tags as suggested
>
> v6->v7 changes:
> - Fixed build error reported by Kernel test robot
> - Added Reported-by and Closes tags as suggested
>
> .../bindings/crypto/snps,dwc-spacc.yaml | 50 +
> drivers/crypto/Kconfig | 1 +
> drivers/crypto/Makefile | 1 +
> drivers/crypto/dwc-spacc/Kconfig | 80 +
> drivers/crypto/dwc-spacc/Makefile | 8 +
> drivers/crypto/dwc-spacc/spacc_ahash.c | 980 +++++++
> drivers/crypto/dwc-spacc/spacc_core.c | 2394 +++++++++++++++++
> drivers/crypto/dwc-spacc/spacc_core.h | 830 ++++++
> drivers/crypto/dwc-spacc/spacc_device.c | 283 ++
> drivers/crypto/dwc-spacc/spacc_device.h | 233 ++
> drivers/crypto/dwc-spacc/spacc_hal.c | 374 +++
> drivers/crypto/dwc-spacc/spacc_hal.h | 114 +
> drivers/crypto/dwc-spacc/spacc_interrupt.c | 328 +++
> drivers/crypto/dwc-spacc/spacc_manager.c | 613 +++++
> 14 files changed, 6289 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/crypto/snps,dwc-spacc.yaml
> create mode 100644 drivers/crypto/dwc-spacc/Kconfig
> create mode 100644 drivers/crypto/dwc-spacc/Makefile
> create mode 100644 drivers/crypto/dwc-spacc/spacc_ahash.c
> create mode 100644 drivers/crypto/dwc-spacc/spacc_core.c
> create mode 100644 drivers/crypto/dwc-spacc/spacc_core.h
> create mode 100644 drivers/crypto/dwc-spacc/spacc_device.c
> create mode 100644 drivers/crypto/dwc-spacc/spacc_device.h
> create mode 100644 drivers/crypto/dwc-spacc/spacc_hal.c
> create mode 100644 drivers/crypto/dwc-spacc/spacc_hal.h
> create mode 100644 drivers/crypto/dwc-spacc/spacc_interrupt.c
> create mode 100644 drivers/crypto/dwc-spacc/spacc_manager.c
>
>
> base-commit: c0d36727bf39bb16ef0a67ed608e279535ebf0da
--
Regards
T Pratham <t-pratham@xxxxxx>