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From: Neil Armstrong <neil.armstrong@linaro.org>
To: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	 Konrad Dybcio <konrad.dybcio@linaro.org>,
	 Herbert Xu <herbert@gondor.apana.org.au>,
	 "David S. Miller" <davem@davemloft.net>,
	Rob Herring <robh+dt@kernel.org>,
	 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Vinod Koul <vkoul@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org,
	 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	 Neil Armstrong <neil.armstrong@linaro.org>,
	 Om Prakash Singh <quic_omprsing@quicinc.com>,
	 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	 Bjorn Andersson <quic_bjorande@quicinc.com>
Subject: [PATCH v4 0/5] arm64: qcom: sm8x50: enable RNG
Date: Tue, 03 Oct 2023 09:10:18 +0200	[thread overview]
Message-ID: <20231003-topic-sm8550-rng-v4-0-255e4d0ba08e@linaro.org> (raw)

Enable RNG on SM8550 & SM8450 by reverting the PRNG bindings & DT
for SM8450 and correctly document it as a True Random Number Generator.

- SM8550 QRD test run:

smccc_trng qcom_hwrng 

qcom_hwrng

rngtest 6.15
Copyright (c) 2004 by Henrique de Moraes Holschuh
This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

rngtest: starting FIPS tests...
rngtest: bits received from input: 209420032
rngtest: FIPS 140-2 successes: 10461
rngtest: FIPS 140-2 failures: 10
rngtest: FIPS 140-2(2001-10-10) Monobit: 1
rngtest: FIPS 140-2(2001-10-10) Poker: 2
rngtest: FIPS 140-2(2001-10-10) Runs: 3
rngtest: FIPS 140-2(2001-10-10) Long run: 4
rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
rngtest: input channel speed: (min=9.219; avg=63.879; max=19073.486)Mibits/s
rngtest: FIPS tests speed: (min=24.965; avg=29.093; max=118.469)Mibits/s
rngtest: Program run time: 10002827 microseconds

- SM8450 HDK test run:

qcom_hwrng

rngtest 6.15
Copyright (c) 2004 by Henrique de Moraes Holschuh
This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

rngtest: starting FIPS tests...
rngtest: bits received from input: 420580032
rngtest: FIPS 140-2 successes: 21014
rngtest: FIPS 140-2 failures: 15
rngtest: FIPS 140-2(2001-10-10) Monobit: 2
rngtest: FIPS 140-2(2001-10-10) Poker: 0
rngtest: FIPS 140-2(2001-10-10) Runs: 7
rngtest: FIPS 140-2(2001-10-10) Long run: 6
rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
rngtest: input channel speed: (min=15.711; avg=50.033; max=32.493)Mibits/s
rngtest: FIPS tests speed: (min=136.239; avg=203.833; max=227.065)Mibits/s
rngtest: Program run time: 10000978 microseconds

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
Changes in v4:
- changed to an enum in first bindings patch to simplify sm8550 change
- integrate Om's patch from (https://lore.kernel.org/all/20230926102005.3277045-1-quic_omprsing@quicinc.com)
  to simplify maintainer's life
- rebased on next-20230929
- dropped already applied revert
- Link to v3: https://lore.kernel.org/r/20230828-topic-sm8550-rng-v3-0-7a0678ca7988@linaro.org

Changes in v3:
- Removed invalid character in commit msg
- Added review tags
- Removed applied patch 1
- Link to v2: https://lore.kernel.org/r/20230824-topic-sm8550-rng-v2-0-dfcafbb16a3e@linaro.org

Changes in v2:
- Revert SM8450 DT & bindings
- Add new qcom,trng compatible and use it for SM8450 & SM8550
- Explicitly didn't collect the Reviewed-by tags due to the compatible change
- Link to v1: https://lore.kernel.org/r/20230822-topic-sm8550-rng-v1-0-8e10055165d1@linaro.org

---
Neil Armstrong (4):
      dt-bindings: crypto: qcom,prng: document that RNG on SM8450 is a TRNG
      dt-bindings: crypto: qcom,prng: document SM8550
      arm64: dts: qcom: sm8550: add TRNG node
      arm64: dts: qcom: sm8450: add TRNG node

Om Prakash Singh (1):
      crypto: qcom-rng - Add hw_random interface support

 .../devicetree/bindings/crypto/qcom,prng.yaml      | 26 +++++++--
 arch/arm64/boot/dts/qcom/sm8450.dtsi               |  5 ++
 arch/arm64/boot/dts/qcom/sm8550.dtsi               |  5 ++
 drivers/crypto/qcom-rng.c                          | 65 +++++++++++++++++++---
 4 files changed, 89 insertions(+), 12 deletions(-)
---
base-commit: df964ce9ef9fea10cf131bf6bad8658fde7956f6
change-id: 20230822-topic-sm8550-rng-c83142783e20

Best regards,
-- 
Neil Armstrong <neil.armstrong@linaro.org>


             reply	other threads:[~2023-10-03  7:10 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-03  7:10 Neil Armstrong [this message]
2023-10-03  7:10 ` [PATCH v4 1/5] dt-bindings: crypto: qcom,prng: document that RNG on SM8450 is a TRNG Neil Armstrong
2023-10-03  9:13   ` Krzysztof Kozlowski
2023-10-03  7:10 ` [PATCH v4 2/5] dt-bindings: crypto: qcom,prng: document SM8550 Neil Armstrong
2023-10-03  7:10 ` [PATCH v4 3/5] crypto: qcom-rng - Add hw_random interface support neil.armstrong
2023-10-04  8:45   ` Om Prakash Singh
2023-10-13 10:32   ` Herbert Xu
2023-10-03  7:10 ` [PATCH v4 4/5] arm64: dts: qcom: sm8550: add TRNG node Neil Armstrong
2023-10-03  7:10 ` [PATCH v4 5/5] arm64: dts: qcom: sm8450: " Neil Armstrong
2023-10-04  7:13 ` [PATCH v4 0/5] arm64: qcom: sm8x50: enable RNG Vinod Koul
2023-10-13 10:36 ` Herbert Xu
2023-10-16  3:32 ` (subset) " Bjorn Andersson

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