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From: Markus Armbruster <armbru@redhat.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: berrange@redhat.com,  kchamart@redhat.com,
	pierrick.bouvier@oss.qualcomm.com,  peter.maydell@linaro.org,
	mst@redhat.com,  cohuck@redhat.com,  pbonzini@redhat.com,
	eblake@redhat.com,  armbru@redhat.com,
	 lorenzo.pieralisi@linaro.org, gshan@redhat.com,
	 enju.kohei@fujitsu.com,  qemu-devel@nongnu.org,
	qemu-arm@nongnu.org,  kvm@vger.kernel.org
Subject: Re: [RFC v4 03/24] target/arm: Add confidential guest support
Date: Mon, 07 Sep 2026 10:49:09 +0200	[thread overview]
Message-ID: <87wlsxxx8a.fsf@pond.sub.org> (raw)
In-Reply-To: <20260903193611.1058589-4-mathieu.poirier@linaro.org> (Mathieu Poirier's message of "Thu, 3 Sep 2026 13:35:50 -0600")

Mathieu Poirier <mathieu.poirier@linaro.org> writes:

> From: Jean-Philippe Brucker <jean-philippe@linaro.org>
>
> Add a new RmeGuest object, inheriting from ConfidentialGuestSupport, to
> support the Arm Realm Management Extension (RME). It is instantiated by
> passing on the command-line:
>
>   -M virt,confidential-guest-support=<id>
>   -object rme-guest,id=<id>
>
> This is only the skeleton. Support will be added in following patches.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

[...]

> diff --git a/qapi/qom.json b/qapi/qom.json
> index 776b13027fd8..52997c29a32d 100644
> --- a/qapi/qom.json
> +++ b/qapi/qom.json
> @@ -1288,6 +1288,17 @@
>    'data': { '*pretty': 'bool',
>              '*close-action': 'MonitorQMPCloseAction' } }
>  
> +##
> +# @RmeGuestProperties:
> +#
> +# Properties for rme-guest objects.
> +#
> +# Since: 11.1

11.2 now.

> +##
> +{ 'struct': 'RmeGuestProperties',
> +  'base': 'ConfidentialGuestSupportProperties',
> +  'data': {} }
> +
>  ##
>  # @ObjectType:
>  #
> @@ -1346,6 +1357,7 @@
>      { 'name': 'pr-manager-helper',
>        'if': 'CONFIG_LINUX' },
>      'qtest',
> +    'rme-guest',
>      'rng-builtin',
>      'rng-egd',
>      { 'name': 'rng-random',
> @@ -1427,6 +1439,7 @@
>        'pr-manager-helper':          { 'type': 'PrManagerHelperProperties',
>                                        'if': 'CONFIG_LINUX' },
>        'qtest':                      'QtestProperties',
> +      'rme-guest':                  'RmeGuestProperties',
>        'rng-builtin':                'RngProperties',
>        'rng-egd':                    'RngEgdProperties',
>        'rng-random':                 { 'type': 'RngRandomProperties',

With the Since: fixed
Acked-by: Markus Armbruster <armbru@redhat.com>

[...]



  reply	other threads:[~2026-09-07  8:50 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03 19:35 [RFC v4 00/24] Add Realm support to QEMU-VMM Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 01/24] linux-headers: Add RME related definitions Mathieu Poirier
2026-09-04  6:07   ` Gavin Shan
2026-09-04 16:24     ` Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 02/24] target/arm/kvm: Return immediately on error in kvm_arch_init() Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 03/24] target/arm: Add confidential guest support Mathieu Poirier
2026-09-07  8:49   ` Markus Armbruster [this message]
2026-09-03 19:35 ` [RFC v4 04/24] target/arm/kvm-rme: Add mechanic to initialize realms Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 05/24] target/arm/kvm: Split kvm_arch_get/put_registers Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 06/24] target/arm/kvm-rme: Initialize vCPU Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 07/24] target/arm/kvm: Create scratch Realm VM when requested Mathieu Poirier
2026-09-04  3:09   ` Kohei Enju via
2026-09-04 16:25     ` Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 08/24] target/arm/kvm: Use kvm_vm_check_extension() where necessary Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 09/24] hw/core/loader: Add a ROM loader notifier Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 10/24] target/arm/kvm-rme: Keep track of images loaded in Realm memory Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 11/24] target/arm/kvm-rme: Populate Realm with runtime images Mathieu Poirier
2026-09-03 19:35 ` [RFC v4 12/24] target/arm/cpu: Set number of breakpoints and watchpoints in KVM Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 13/24] target/arm/cpu: Set number of PMU counters " Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 14/24] target/arm/cpu: Don't read Realm registers Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 15/24] hw/arm/virt: Set proper conduit method for Realms Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 16/24] hw/arm/virt: Embed Realm VM type with IPA address space Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 17/24] hw/arm/virt: Reserve one bit of guest physical address for RME Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 18/24] hw/arm/virt: Disable DTB randomness for confidential VMs Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 19/24] hw/arm/virt: Move virt_flash_create() to machvirt_init() Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 20/24] hw/arm/virt: Use RAM instead of flash for confidential guest firmware Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 21/24] target/arm/kvm-rme: Add DMA remapping for the shared memory region Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 22/24] docs/interop/firmware.json: Add arm-rme firmware feature Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 23/24] hw/arm/boot: Load DTB as is for confidential VMs Mathieu Poirier
2026-09-03 19:36 ` [RFC v4 24/24] hw/arm/boot: Skip bootloader for confidential guests Mathieu Poirier

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