linux-kernel - [PATCH v6 0/4] crypto: starfive - Add drivers for crypto engine

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Message-ID: <20230426065848.842221-1-jiajie.ho@starfivetech.com>
Date:   Wed, 26 Apr 2023 14:58:44 +0800
From:   Jia Jie Ho <jiajie.ho@...rfivetech.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Emil Renner Berthing <kernel@...il.dk>
CC:     <linux-crypto@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: [PATCH v6 0/4] crypto: starfive - Add drivers for crypto engine

This patch series adds kernel driver support for StarFive JH7110 crypto
engine. The first patch adds Documentations for the device and Patch 2
adds device probe and DMA init for the module. Patch 3 adds crypto and
DMA dts node for VisionFive 2 board. Patch 4 adds hash/hmac support to
the module.

Patch 3 needs to be applied on top of:
https://lore.kernel.org/lkml/20230424135409.6648-3-xingyu.wu@starfivetech.com/

Patch 4 needs to be applied on top of:
https://lore.kernel.org/linux-crypto/ZEEOXIHwqKblKfBJ@gondor.apana.org.au/T/#u

Changes v5->v6
- Remove set_crypt in export as request will have been created by
  init/updated calls (Herbert)
- Use new helper to set statesize of crypto_ahash (Herbert)
- Use crypto_ahash_blocksize instead of crypto_ahash_tfm (Herbert)
- Switch to init_tfm/exit_tfm instead of cra_init/cra_exit (Herbert)

Changes v4->v5
- Schedule tasklet from IRQ handler instead of using completion to sync
  events (Herbert)

Changes v3->v4:
- Use fallback for non-aligned cases as hardware doesn't support
  hashing piece-meal (Herbert)
- Use ahash_request_set_* helpers to update members of ahash_request
  (Herbert)
- Set callbacks for async fallback (Herbert)
- Remove completion variable and use dma_callback to do the rest of
  processing instead. (Herbert)

Changes v2->v3:
- Only implement digest and use fallback for other ops (Herbert)
- Use interrupt instead of polling for hash complete (Herbert)
- Remove manual data copy from out-of-bound memory location as it will
  be handled by DMA API. (Christoph & Herbert)

Changes v1->v2:
- Fixed yaml filename and format (Krzysztof)
- Removed unnecessary property names in yaml (Krzysztof)
- Moved of_device_id table close to usage (Krzysztof)
- Use dev_err_probe for error returns (Krzysztof)
- Dropped redundant readl and writel wrappers (Krzysztof)
- Updated commit signed offs (Conor)
- Dropped redundant node in dts, module set to on in dtsi (Conor)

Jia Jie Ho (4):
  dt-bindings: crypto: Add StarFive crypto module
  crypto: starfive - Add crypto engine support
  riscv: dts: starfive: Add crypto and DMA node for VisionFive 2
  crypto: starfive - Add hash and HMAC support

 .../crypto/starfive,jh7110-crypto.yaml        |  70 ++
 MAINTAINERS                                   |   7 +
 arch/riscv/boot/dts/starfive/jh7110.dtsi      |  28 +
 drivers/crypto/Kconfig                        |   1 +
 drivers/crypto/Makefile                       |   1 +
 drivers/crypto/starfive/Kconfig               |  21 +
 drivers/crypto/starfive/Makefile              |   4 +
 drivers/crypto/starfive/jh7110-cryp.c         | 237 +++++
 drivers/crypto/starfive/jh7110-cryp.h         | 127 +++
 drivers/crypto/starfive/jh7110-hash.c         | 896 ++++++++++++++++++
 10 files changed, 1392 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/starfive,jh7110-crypto.yaml
 create mode 100644 drivers/crypto/starfive/Kconfig
 create mode 100644 drivers/crypto/starfive/Makefile
 create mode 100644 drivers/crypto/starfive/jh7110-cryp.c
 create mode 100644 drivers/crypto/starfive/jh7110-cryp.h
 create mode 100644 drivers/crypto/starfive/jh7110-hash.c

-- 
2.25.1