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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2baf1d271b7sm125431085ad.14.2026.05.12.01.04.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 May 2026 01:04:28 -0700 (PDT) Message-ID: <83c260b9-dd7f-4c28-ab83-91853afa08a0@oss.qualcomm.com> Date: Tue, 12 May 2026 16:04:21 +0800 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: glymur: Add crypto engine and BAM To: Harshal Dev , Thara Gopinath , Herbert Xu , "David S. Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Dmitry Baryshkov Cc: Neeraj Soni , Kuldeep Singh , Abel Vesa , linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260505-glymur_crypto_enablement-v2-0-bf115aeb1459@oss.qualcomm.com> <20260505-glymur_crypto_enablement-v2-2-bf115aeb1459@oss.qualcomm.com> From: Wenjia Zhang In-Reply-To: <20260505-glymur_crypto_enablement-v2-2-bf115aeb1459@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=PN0/P/qC c=1 sm=1 tr=0 ts=6a02df0e cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=QMFbHPruP1MRKEW6HfkA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: 38yJmRLfu825NXINQdhktyutDJmLKLYt X-Proofpoint-ORIG-GUID: 38yJmRLfu825NXINQdhktyutDJmLKLYt X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTEyMDA3OSBTYWx0ZWRfXyhpatqDt4FJU Xx373xNOyZtxz+YyP6D15nm52sxJqBuqbr5N9sRhmoyW/jpvlJ5vujSsJ69lS6xUUKZkA/WBQZc 9Uu/ulV52i7uRfwWjJ/64kLQFLB+pCmJhVwDEaFmajyRqFhxp/D7y0CGqF6EYWe8eqmD4yj/9be rgdT+h4iwyp6HlA/n0D/bJEXgdxzk393Wx9aMVJoz8zewGQ0cEo2eYCfMD+oMzDPvq3uT2bMgwV 7e7UkX2RcixbS32lcuo1TB56mPuqEiZ3aJy9HHDP+056BNYk3cuk2IS5+OthJo5Bn4ePhzdkZpp Jo+kY3DpBCjCrza8/Xxs3TsDZsTWp100L/kk6eyBZq67xqdpsk52wvrOaJF33tIjVdeZi+N8t5L IpUeoTzSUT6akRx70+d3ZBNcUggD4ppa2NpRFbJdtV7fVAVHk2dMkS3ArxzyTZfZc+PA9ZFAxXU YX/MS10hn+dB3KqMj3w== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-11_05,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 adultscore=0 clxscore=1011 spamscore=0 impostorscore=0 phishscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605120079 On 5/5/2026 3:40 PM, Harshal Dev wrote: > On almost all Qualcomm platforms, including Glymur, there is a Crypto > engine IP block to which the CPU can off-load cryptographic computations > for achieving acceleration. > The engine is also DMA capable due to the presence of an associated Bus > Access Manager (BAM) module. > > Describe the Crypto engine and its BAM. > > Signed-off-by: Harshal Dev > --- > arch/arm64/boot/dts/qcom/glymur.dtsi | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi > index f23cf81ddb77..349da9966d52 100644 > --- a/arch/arm64/boot/dts/qcom/glymur.dtsi > +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi > @@ -3675,6 +3675,32 @@ pcie3b_phy: phy@f10000 { > status = "disabled"; > }; > > + cryptobam: dma-controller@1dc4000 { > + compatible = "qcom,bam-v1.7.4", "qcom,bam-v1.7.0"; > + reg = <0x0 0x01dc4000 0x0 0x28000>; > + interrupts = ; > + #dma-cells = <1>; > + iommus = <&apps_smmu 0x80 0x0>, > + <&apps_smmu 0x81 0x0>; > + qcom,ee = <0>; > + qcom,controlled-remotely; > + num-channels = <20>; > + qcom,num-ees = <4>; > + }; > + > + crypto: crypto@1dfa000 { > + compatible = "qcom,glymur-qce", "qcom,sm8150-qce", "qcom,qce"; > + reg = <0x0 0x01dfa000 0x0 0x6000>; > + dmas = <&cryptobam 4>, <&cryptobam 5>; > + dma-names = "rx", > + "tx"; > + iommus = <&apps_smmu 0x80 0x0>, > + <&apps_smmu 0x81 0x0>; > + interconnects = <&aggre1_noc MASTER_CRYPTO QCOM_ICC_TAG_ALWAYS > + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; > + interconnect-names = "memory"; > + }; > + > tcsr_mutex: hwlock@1f40000 { > compatible = "qcom,tcsr-mutex"; > reg = <0x0 0x01f40000 0x0 0x20000>; Tested-by: Wenjia Zhang # on Glymur-crd device root@qcom-armv8a:~# bash /usr/libexec/libkcapi/kcapi-convenience.sh [PASSED: 64-bit - 7.0.0-next-20260415-00003-g5de0c764975a-dirty] Convenience message digest operation =================================================================== Number of failures: 0 root@qcom-armv8a:~# Regards, Wenjia