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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-32b28ab0571sm30690555eec.4.2026.09.01.03.40.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Sep 2026 03:40:33 -0700 (PDT) Message-ID: Date: Tue, 1 Sep 2026 18:40:26 +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 v1 04/11] dt-bindings: soc: qcom: add binding for qcom,crypto-virt To: Krzysztof Kozlowski , 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 References: <20260827160806.1295313-1-linlin.zhang@oss.qualcomm.com> <20260827160806.1295313-5-linlin.zhang@oss.qualcomm.com> Content-Language: en-US From: Linlin Zhang In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=K78S2SWI c=1 sm=1 tr=0 ts=6a96aba3 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=gEfo2CItAAAA:8 a=P-IC7800AAAA:8 a=EUspDBNiAAAA:8 a=s59Ba9DYA-YjRSie7ucA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 a=sptkURWiP4Gy88Gu7hUp:22 a=d3PnA9EDa4IxuAV0gXij:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDA5NCBTYWx0ZWRfX8XAux/uq9fCC d/5YuASU/u2qJhaboNY6G0+qscTm0Fdla4Jhpm95ZsJ+TwTVcNEgcUTO1JSuQ8KNlGZFJW1y8yK vcuksj6Qat50g5A87cGcouo8EXmRFys= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDA5NCBTYWx0ZWRfX5SjUReDfkDEf G+LcC1nDKk1MNuN2SrDmEUVyOs/84NFQ+ijSgXTny8NhI0jK46WcFr9dnJ6IsGH9nsWRliOmvnJ XLwG9O0ea+B7C0jiyFDI2aWf4TDbbXxQAarZgOX++inzybCeWcngbcxHnCqgNb6edHpkAOCE6qz +TYEBVob1+JcGotZcvAB6yqZRcsUPt7Kl5Lc5woLq2L8zz/q192pVUba1DeB3gFqudqzEbRy9Jd an96vqn7T7/avyzJUMVMHOcP7g4JsQOk2rCedzsRsilHSXqgRqACgbnK+BuD9fDJtWyAm5LbYDX rMfZTa1Uum3cLsOPgpR+UvWIFVsuKYZaJYM3L+PhWOjrBCqSYZd+tRlpwIr2Ob/9QINKqmIlHMt 8dc8uYM50SyqBuk8A6JECYTDLezFWTBjGxiGVaSqokDVwV5niEE8iTG0HVnpr22r2iOQ2eO3wQR iBtZYEJMFFCC0/0DnEA== X-Proofpoint-GUID: 2o1DXv5mdXyI9FxG6zgPdO69mIkXbVO7 X-Proofpoint-ORIG-GUID: 2o1DXv5mdXyI9FxG6zgPdO69mIkXbVO7 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=2026-09-01_03,2026-08-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 clxscore=1015 bulkscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609010094 On 8/31/2026 3:01 PM, Krzysztof Kozlowski wrote: > On 27/08/2026 18:07, Linlin Zhang wrote: >> 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 > > Your Git does not look like properly configured. ACK > >> --- >> .../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 > > We do not take bindings for drivers. Follow standard rules for bindings, > e.g. read DTS101 slides. > Thanks for your comments! I understand the concern about introducing a DT binding for a software-only driver. The motivation behind this binding is to provide vendor-specific wrapped-key information to the guest, since the guest cannot discover it directly from the ICE hardware. I provided more details in my reply on the previous patch and in the cover letter. If current out-of-band key operation handling is approved, I'll revisit the design and consider whether there is a more appropriate mechanism that does not require a DT binding, maybe move the slot mapping table to Trust Zone, Linux kernel only need gets them via SMC request, then don't need dt-bindings change. > Also: > drop second/last, redundant "binding for". The "dt-bindings" prefix is > already stating that these are bindings. > See also: > https://elixir.bootlin.com/linux/v7.1-rc7/source/Documentation/devicetree/bindings/submitting-patches.rst#L23 > Just describe the hardware (not drivers) ACK > > > Best regards, > Krzysztof