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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-396b0fd9085sm3245892a91.12.2026.08.27.09.08.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2026 09:08:29 -0700 (PDT) From: Linlin Zhang To: ebiggers@kernel.org, axboe@kernel.dk, mst@redhat.com, jasowangio@gmail.com, James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-block@vger.kernel.org, linux-crypto@vger.kernel.org, linux-scsi@vger.kernel.org, virtualization@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: neeraj.soni@oss.qualcomm.com, gaurav.kashyap@oss.qualcomm.com, mani@kernel.org, andersson@kernel.org, konradybcio@kernel.org, bvanassche@acm.org, alim.akhtar@samsung.com, avri.altman@sandisk.com, stefanha@redhat.com, pbonzini@redhat.com, eperezma@redhat.com, xuanzhuo@linux.alibaba.com, linux-kernel@vger.kernel.org Subject: [PATCH v1 04/11] dt-bindings: soc: qcom: add binding for qcom,crypto-virt Date: Thu, 27 Aug 2026 09:07:13 -0700 Message-ID: <20260827160806.1295313-5-linlin.zhang@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260827160806.1295313-1-linlin.zhang@oss.qualcomm.com> References: <20260827160806.1295313-1-linlin.zhang@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI3MDEzNiBTYWx0ZWRfX3l13Mdy7o75V BUksQPO/PTiG5pfLiEk7gVqyeSxL4Ru946BrSLHXQnwwOqUMiFlCWyizUIgmO73z3AUmYb/WHDA rYWtVnUQAIEwrwCyls4Dmi/MCaUsZwqUiVYqQl/+ZzbO/W5+5VhnZ1s2RkTD/J3sNvVDyMdjBsG Cm0zm+PMIiZFp0ichHZapYMjqtlics2aP2Q4E0K7H6d8w3j7t7pNS8RPF4Le17pmjbWXTOEBsct aQ1uqapw1M0ccKrexBtupqOGSPCUbuoJxAC0rywqTEdYd9UMTZQsPnI6c5mKDWCcojFS30vPAW4 4bwRXbD/jZJ4QfHp6a0vnB+aDf3uz6WuvBAsODH9LFVJA59I7/6EQplNzqLwH/RfHiU9cViAVrg ng+DRtPz4K+ft1Rn4ZLbRo8R7aYIVfFgzcEUcBKgUxzK1Wuib4snrQVBOuf7/mjaujCYTOjVUC9 gstapXsFmUztftOxdkA== X-Authority-Analysis: v=2.4 cv=d5DFDxjE c=1 sm=1 tr=0 ts=6a9060ff cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=gEfo2CItAAAA:8 a=EUspDBNiAAAA:8 a=S71HXAmslS2k5ljwlz8A:9 a=uKXjsCUrEbL0IQVhDsJ9:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-GUID: Zf-9dRdEnv26F8hkUqwkNXRJuh_DGwej X-Proofpoint-ORIG-GUID: Zf-9dRdEnv26F8hkUqwkNXRJuh_DGwej X-Proofpoint-Spam-Info: AW1haW4tMjYwODI3MDEzNiBTYWx0ZWRfX8Rkff7QjP1zN MICOelgGMaCoDSB0MgtdxmSMOa6IZ7DvzbJoF4Wii1ajYrk6R36oEVDW2tXIYd5TsDjWySiuDPK 9AYsW7nnSmnx8JNoKdu3bL5TgD1iWNU= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-27_07,2026-08-27_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 clxscore=1011 priorityscore=1501 spamscore=0 adultscore=0 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608270136 From: linlzhan Document the device tree binding for the Qualcomm GVM crypto-virt node, which provides the wrapped-key buffer size needed by the QCOM_CRYPTO_VIRT driver to perform hardware-wrapped-key SCM operations backing virtio_blk's inline crypto layer. The host does not report this size over virtio, so it is supplied via DT through the optional qcom,wrapped-key-size property. Signed-off-by: linlzhan --- .../bindings/soc/qcom/qcom,crypto-virt.yaml | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,crypto-virt.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,crypto-virt.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,crypto-virt.yaml new file mode 100644 index 000000000000..5eb204f29762 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,crypto-virt.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,crypto-virt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: QCOM GVM Crypto Virt driver + +description: | + GVM-side hardware-wrapped-key SCM operations backing virtio_blk's inline + crypto layer. The host does not report a wrapped key size over virtio, so + it is provided here instead. + +maintainers: + - Linlin Zhang + +properties: + compatible: + const: qcom,crypto-virt + + qcom,wrapped-key-size: + description: | + Size, in bytes, of the hardware-wrapped key generated/prepared/imported + via SCM calls. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 64 + maximum: 128 + +required: + - compatible + +additionalProperties: false + +examples: + - | + crypto_virt { + compatible = "qcom,crypto-virt"; + qcom,wrapped-key-size = <100>; + }; -- 2.34.1