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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-64536442993sm12371722a12.27.2025.11.24.03.20.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Nov 2025 03:20:26 -0800 (PST) Message-ID: <2fc83dc4-16ab-470c-a6b2-379dc3e52744@oss.qualcomm.com> Date: Mon, 24 Nov 2025 12:20:25 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 12/14] remoteproc: pas: Extend parse_fw callback to fetch resources via SMC call To: Mukesh Ojha , Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251121-kvm_rproc_v8-v8-0-8e8e9fb0eca0@oss.qualcomm.com> <20251121-kvm_rproc_v8-v8-12-8e8e9fb0eca0@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251121-kvm_rproc_v8-v8-12-8e8e9fb0eca0@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: rGpx2Zf6uRg6CCKtVBODedBtfJfjXDn3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTI0MDEwMSBTYWx0ZWRfX80YVTnof8U3E Yc1fYGPBPePRozbPIwUKbgvk1AJZf0N+YPvh1c5IETH5WoBsnhUBs3F0PG6MgJpZcHo8397j6pC CHovx4qwXM3vCNc5ZCcuv4T8PzYGuL3pMcXc52KlcCEqHRx9U51+zogyBT1HR8kJkaFph9nYGV0 6RSWJHpZ6rtLVfxem6CT9j8ZrK8j4LQkNbI8e2ak2g9n8V88QSXEwNVrgRwsDFwwRwDvTlm6yLA LueiGZPZ82r+I4qeVSvci3bZn4tgavHaak6kwVeP9KnTiHlmkSz4Zb840Fz5AuQmbZsdHJDYoMQ vEy1A6cJ8V7BkcqeLBz/GDvAbsIDPgA4uA3+UfrdK/N/XAWExW7vpyK1n8dixjJuMzGFZqs0+rH qjFjFtOEltEFuy6azosDBxtVFCoW6g== X-Proofpoint-ORIG-GUID: rGpx2Zf6uRg6CCKtVBODedBtfJfjXDn3 X-Authority-Analysis: v=2.4 cv=SP9PlevH c=1 sm=1 tr=0 ts=69243f7d cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=WVEJiFBRDJ0UJk8ac0oA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-24_04,2025-11-21_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 bulkscore=0 adultscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511240101 On 11/21/25 12:01 PM, Mukesh Ojha wrote: > Qualcomm remote processor may rely on static and dynamic resources for > it to be functional. For most of the Qualcomm SoCs, when run with Gunyah > or older QHEE hypervisor, all the resources whether it is static or > dynamic, is managed by the hypervisor. Dynamic resources if it is > present for a remote processor will always be coming from secure world > via SMC call while static resources may be present in remote processor > firmware binary or it may be coming from SMC call along with dynamic > resources. > > Remoteproc already has method like rproc_elf_load_rsc_table() to check > firmware binary has resources or not and if it is not having then we > pass NULL and zero as input resource table and its size argument > respectively to qcom_scm_pas_get_rsc_table() and while it has resource > present then it should pass the present resources to Trustzone(TZ) so that > it could authenticate the present resources and append dynamic resource > to return in output_rt argument along with authenticated resources. > > Extend parse_fw callback to include SMC call to get resources from > Trustzone and to leverage resource table parsing and mapping and > unmapping code from the remoteproc framework. > > Signed-off-by: Mukesh Ojha > --- Reviewed-by: Konrad Dybcio Konrad