[PATCH v4 0/6] Add SPAcc Crypto Driver
From: Pavitrakumar Managutte <hidden>
Date: 2025-08-08 12:27:04
Also in:
linux-crypto, lkml
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
AEAD:
- ccm(sm4)
- ccm(aes)
- gcm(sm4)
- gcm(aes)
- rfc7539(chacha20,poly1305)
cipher:
- cbc(sm4)
- ecb(sm4)
- ctr(sm4)
- xts(sm4)
- cts(cbc(sm4))
- cbc(aes)
- ecb(aes)
- xts(aes)
- cts(cbc(aes))
- ctr(aes)
- chacha20
- ecb(des)
- cbc(des)
- ecb(des3_ede)
- cbc(des3_ede)
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 (6):
dt-bindings: crypto: Document support for SPAcc
Add SPAcc Skcipher support
Add SPAcc AUTODETECT Support
Add SPAcc ahash support
Add SPAcc AEAD support
Add SPAcc Kconfig and Makefile
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
.../bindings/crypto/snps,dwc-spacc.yaml | 50 +
drivers/crypto/Kconfig | 1 +
drivers/crypto/Makefile | 1 +
drivers/crypto/dwc-spacc/Kconfig | 114 +
drivers/crypto/dwc-spacc/Makefile | 16 +
drivers/crypto/dwc-spacc/spacc_aead.c | 1297 +++++++++
drivers/crypto/dwc-spacc/spacc_ahash.c | 968 +++++++
drivers/crypto/dwc-spacc/spacc_core.c | 2452 +++++++++++++++++
drivers/crypto/dwc-spacc/spacc_core.h | 832 ++++++
drivers/crypto/dwc-spacc/spacc_device.c | 275 ++
drivers/crypto/dwc-spacc/spacc_device.h | 230 ++
drivers/crypto/dwc-spacc/spacc_hal.c | 374 +++
drivers/crypto/dwc-spacc/spacc_hal.h | 114 +
drivers/crypto/dwc-spacc/spacc_interrupt.c | 330 +++
drivers/crypto/dwc-spacc/spacc_manager.c | 611 ++++
drivers/crypto/dwc-spacc/spacc_skcipher.c | 752 +++++
16 files changed, 8417 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 100755 drivers/crypto/dwc-spacc/spacc_aead.c
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
create mode 100644 drivers/crypto/dwc-spacc/spacc_skcipher.c
base-commit: 9d9b193ed73a65ec47cf1fd39925b09da8216461
--
2.25.1