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Tue, 18 Jul 2023 16:08:55 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36IG8sCl019301 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Jul 2023 16:08:54 GMT Received: from car-linux11.qualcomm.com (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Tue, 18 Jul 2023 09:08:54 -0700 From: Nikunj Kela To: CC: , , , , , , , , , , , Nikunj Kela Subject: [PATCH 0/2] Add qcom hvc/shmem transport Date: Tue, 18 Jul 2023 09:08:31 -0700 Message-ID: <20230718160833.36397-1-quic_nkela@quicinc.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 6rmYNnerBMpV9txQAKXezA-5cByqEiE- X-Proofpoint-ORIG-GUID: 6rmYNnerBMpV9txQAKXezA-5cByqEiE- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-18_12,2023-07-18_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 spamscore=0 adultscore=0 mlxlogscore=999 priorityscore=1501 clxscore=1011 suspectscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307180148 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230718_170925_073984_201AF660 X-CRM114-Status: GOOD ( 16.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This change introduce a new transport channel for Qualcomm virtual platforms. The transport is mechanically similar to ARM_SCMI_TRANSPORT_SMC. The difference between the two transports is that a parameter is passed in the hypervisor call to identify which doorbell to assert. This parameter is dynamically generated at runtime on the device and insuitable to pass via the devicetree. The function ID and parameter are stored by firmware in the shmem region. This has been tested on ARM64 virtual Qualcomm platform. Nikunj Kela (2): dt-bindings: arm: Add qcom specific hvc transport for SCMI firmware: arm_scmi: Add qcom hvc/shmem transport .../bindings/firmware/arm,scmi.yaml | 69 +++++ drivers/firmware/arm_scmi/Kconfig | 13 + drivers/firmware/arm_scmi/Makefile | 1 + drivers/firmware/arm_scmi/common.h | 3 + drivers/firmware/arm_scmi/driver.c | 4 + drivers/firmware/arm_scmi/qcom_hvc.c | 241 ++++++++++++++++++ 6 files changed, 331 insertions(+) create mode 100644 drivers/firmware/arm_scmi/qcom_hvc.c -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel