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Fri, 12 Apr 2024 09:52:12 -0700 (PDT) Received: from myrica ([2.221.137.100]) by smtp.gmail.com with ESMTPSA id fc18-20020a05600c525200b0041563096e15sm9497631wmb.5.2024.04.12.09.52.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Apr 2024 09:52:12 -0700 (PDT) Date: Fri, 12 Apr 2024 17:52:24 +0100 From: Jean-Philippe Brucker To: Steven Price Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, Catalin Marinas , Marc Zyngier , Will Deacon , James Morse , Oliver Upton , Suzuki K Poulose , Zenghui Yu , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly , Alexandru Elisei , Christoffer Dall , Fuad Tabba , linux-coco@lists.linux.dev, Ganapatrao Kulkarni , Mathieu Poirier , Thomas Fossati , Kevin Zhao , Leonardo Augusto =?utf-8?Q?Guimar=C3=A3es?= Garcia Subject: Re: [v2] Support for Arm CCA VMs on Linux Message-ID: <20240412165224.GA357251@myrica> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240412084056.1733704-1-steven.price@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240412_095216_900903_375481E4 X-CRM114-Status: GOOD ( 13.80 ) 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 On Fri, Apr 12, 2024 at 09:40:56AM +0100, Steven Price wrote: > We are happy to announce the second version of the Arm Confidential > Compute Architecture (CCA) support for the Linux stack. The intention is > to seek early feedback in the following areas: > * KVM integration of the Arm CCA; > * KVM UABI for managing the Realms, seeking to generalise the > operations where possible with other Confidential Compute solutions; > * Linux Guest support for Realms. > > See the previous RFC[1] for a more detailed overview of Arm's CCA > solution, or visible the Arm CCA Landing page[2]. > > This series is based on the final RMM v1.0 (EAC5) specification[3]. Instructions for building and running the CCA stack on QEMU, both as system emulation and VMM, are available here: https://linaro.atlassian.net/wiki/spaces/QEMU/pages/29051027459/Building+an+RME+stack+for+QEMU I'll send out the QEMU VMM patches shortly: https://git.codelinaro.org/linaro/dcap/qemu.git branch cca/v2 Thanks, Jean > [1] Previous RFC > https://lore.kernel.org/r/20230127112248.136810-1-suzuki.poulose%40arm.com > [2] Arm CCA Landing page (See Key Resources section for various documentation) > https://www.arm.com/architecture/security-features/arm-confidential-compute-architecture > [3] RMM v1.0-EAC5 specification > https://developer.arm.com/documentation/den0137/1-0eac5/ > [4] Shrinkwrap > https://git.gitlab.arm.com/tooling/shrinkwrap > [5] Linux support for Arm CCA RMM v1.0-EAC5 > https://lore.kernel.org/r/fb259449-026e-4083-a02b-f8a4ebea1f87%40arm.com > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel