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Thu, 14 Mar 2024 14:02:22 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 42EE2Lo6009173 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Mar 2024 14:02:21 GMT Received: from quicinc.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Thu, 14 Mar 2024 07:02:13 -0700 Date: Thu, 14 Mar 2024 19:32:10 +0530 From: Srivatsa Vaddagiri To: Elliot Berman CC: Alex Elder , Srinivas Kandagatla , Murali Nalajal , Trilok Soni , Carl van Schaik , Philip Derrin , Prakruthi Deepak Heragu , Jonathan Corbet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon , Konrad Dybcio , Bjorn Andersson , Dmitry Baryshkov , "Fuad Tabba" , Sean Christopherson , "Andrew Morton" , , , , , , Subject: Re: [PATCH v17 17/35] gunyah: rsc_mgr: Add memory parcel RPC Message-ID: <20240314140210.GU440762@quicinc.com> References: <20240222-gunyah-v17-0-1e9da6763d38@quicinc.com> <20240222-gunyah-v17-17-1e9da6763d38@quicinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240222-gunyah-v17-17-1e9da6763d38@quicinc.com> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: l11wezTxCzYOMBhKzKDcLrBYuuW80ZZ3 X-Proofpoint-GUID: l11wezTxCzYOMBhKzKDcLrBYuuW80ZZ3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-14_11,2024-03-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 adultscore=0 phishscore=0 mlxlogscore=782 spamscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2403140103 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240314_070239_333306_6F647CC7 X-CRM114-Status: GOOD ( 14.13 ) 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: , Reply-To: Srivatsa Vaddagiri 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 * Elliot Berman [2024-02-22 15:16:40]: > In a Gunyah hypervisor system using the Gunyah Resource Manager, the > "standard" unit of donating, lending and sharing memory is called a > memory parcel (memparcel). A memparcel is an abstraction used by the > resource manager for securely managing donating, lending and sharing > memory, which may be physically and virtually fragmented, without > dealing directly with physical memory addresses. > > Memparcels are created and managed through the RM RPC functions for > lending, sharing and reclaiming memory from VMs. > > When creating a new VM the initial VM memory containing the VM image and > the VM's device tree blob must be provided as a memparcel. The memparcel > must be created using the RM RPC for lending and mapping the memory to > the VM. > > Signed-off-by: Elliot Berman Reviewed-by: Srivatsa Vaddagiri - vatsa _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel