linux-kernel - Re: [PATCH v4 0/5] arm64: qcom: sm8x50: enable RNG

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Date:   Wed, 4 Oct 2023 12:43:37 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        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>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Om Prakash Singh <quic_omprsing@...cinc.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson <quic_bjorande@...cinc.com>
Subject: Re: [PATCH v4 0/5] arm64: qcom: sm8x50: enable RNG

On 03-10-23, 09:10, Neil Armstrong wrote:
> 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

Acked-by: Vinod Koul <vkoul@...nel.org>

-- 
~Vinod