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Date: Fri, 19 Jan 2024 10:26:59 +0900
From: Itaru Kitayama <itaru.kitayama@linux.dev>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
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	joey.gouly@arm.com, james.morse@arm.com,
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	Fuad Tabba <tabba@google.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>,
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	Thomas Huth <thuth@redhat.com>, Ryan Roberts <Ryan.Roberts@arm.com>,
	Sami Mujawar <Sami.Mujawar@arm.com>
Subject: Re: [RFC] Support for Arm CCA VMs on Linux
Message-ID: <ZanP4+K/CEkhukkp@vm3>
References: <20230127112248.136810-1-suzuki.poulose@arm.com>
 <20231002124311.204614-1-suzuki.poulose@arm.com>
 <ZZ4tsTQOKOamM+h/@vm3>
 <ec8ed5b0-5080-45e9-a4a6-e5dbe48e86d3@arm.com>
 <d47e8b8c-50e4-4ad3-8f00-cadaede1eca9@arm.com>
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In-Reply-To: <d47e8b8c-50e4-4ad3-8f00-cadaede1eca9@arm.com>

On Wed, Jan 10, 2024 at 01:44:45PM +0000, Suzuki K Poulose wrote:
> On 10/01/2024 11:41, Suzuki K Poulose wrote:
> > Hi Itaru,
> > 
> > On 10/01/2024 05:40, Itaru Kitayama wrote:
> > > On Mon, Oct 02, 2023 at 01:43:11PM +0100, Suzuki K Poulose wrote:
> > > > Hi,
> > > > 
> > > > 
> 
> ...
> 
> > > 
> > > Suzuki,
> > > Any update to the Arm CCA series (v3?) since last October?
> > 
> > Yes, we now have a version that supports the final RMM-v1.0
> > specification (RMM-v1.0-EAC5). We also have the UEFI EDK2 firmware
> > support for Guests in Realm world.
> > 
> > We are planning to post the changes for review in the v6.8-rc cycle. We
> > are trying to integrate the guest_mem support (available in v6.8-rc1) as
> > well as reusing some of the arm64 kvm generic interface for configuring
> > the Realm parameters (e.g., PMU, SVE_VL etc).
> > 
> > Here is a version that is missing the items mentioned above, based
> > on v6.7-rc4, if anyone would like to try.
> > 
> > Also, the easiest way to get the components built and model kick started
> > is using the shrinkwrap [6] tool, using the cca-3world configuration.
> > The tool pulls all the required software components, builds (including
> > the buildroot for rootfs) and can run a model using these built
> > components.
> 
> Also, please see 'arm/run-realm-tests.sh' in the kvm-unit-tests-cca
> repository for sample command lines to invoke kvmtool to create Realm
> VMs.

Thank you, Suzuki. I have just run the script above, again in the
framework of shrinkwrap on the RevC FVP and the jobs ran fine. I need to
go look at the lots of logs.

Itaru.

> 
> 
> > 
> > 
> > 
> > [0] Linux Repo:
> >  ????? Where: git@git.gitlab.arm.com:linux-arm/linux-cca.git
> >  ????? KVM Support branch: cca-host/rmm-v1.0-eac5
> >  ????? Linux Guest branch: cca-guest/rmm-v1.0-eac5
> >  ????? Full stack branch:? cca-full/rmm-v1.0-eac5
> > 
> > [1] kvmtool Repo:
> >  ????? Where: git@git.gitlab.arm.com:linux-arm/kvmtool-cca.git
> >  ????? Branch: cca/rmm-v1.0-eac5
> > 
> > [2] kvm-unit-tests Repo:
> >  ????? Where: git@git.gitlab.arm.com:linux-arm/kvm-unit-tests-cca.git
> >  ????? Branch: cca/rmm-v1.0-eac5
> > 
> > [3] UEFI Guest firmware:
> >  ????? edk2:???? https://git.gitlab.arm.com/linux-arm/edk2-cca.git
> >  ????? revision: 2802_arm_cca_rmm-v1.0-eac5
> > 
> >  ????? edk2-platforms:
> > https://git.gitlab.arm.com/linux-arm/edk2-platforms-cca.git
> >  ????? revision:?????? 2802_arm_cca_rmm-v1.0-eac5
> > 
> > 
> > [4] RMM Repo:
> >  ????? Where: https://git.trustedfirmware.org/TF-RMM/tf-rmm.git
> >  ????? tag : tf-rmm-v0.4.0
> > 
> > [5] TF-A repo:
> >  ????? Where: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git
> >  ????? Tag: v2.10
> > 
> > 
> > [6] https://shrinkwrap.docs.arm.com/en/latest/
> >  ??? config: cca-3world.yaml
> > 
> 
> Suzuki
>