From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Brijesh Singh <brijesh.ksingh@gmail.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>,
"Edgar E. Iglesias" <edgar.iglesias@xilinx.com>,
Peter Maydell <peter.maydell@linaro.org>,
Eduardo Habkost <ehabkost@redhat.com>,
kvm@vger.kernel.org, Tom Lendacky <Thomas.Lendacky@amd.com>,
"Chen, Xiaogang" <Xiaogang.Chen@amd.com>,
Stefan Hajnoczi <stefanha@gmail.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v6 18/23] sev: emit the SEV_MEASUREMENT event
Date: Thu, 8 Feb 2018 16:22:33 +0000 [thread overview]
Message-ID: <20180208162233.GN20703@redhat.com> (raw)
In-Reply-To: <CA+HCGMYbZ9ATosB29Oy9kELc78yQ0jGX7YrFDG2SzT2_Py-xAQ@mail.gmail.com>
On Thu, Feb 08, 2018 at 10:17:28AM -0600, Brijesh Singh wrote:
>
> Anyway, the main issue is event emitted before "qmp_capabilities" are
> dropped silently , see [1] . In our case, the measurement event is emitted
> during the machine creation time, libvirt was still waiting to reconnect
> the monitor when event was emitted hence libvirt never gets the event.
> Because of this, I am not able to see any strong reason to emit the event.
> Do you see any issue with libvirt issuing a 'query-sev-launch-measure' to
> get the measurement on reconnect ?
Hmm, yes, I see so there can be a race between SEV emitting the event and
libvirtd making the initial monitor connection. In that case, we definitely
to have a QMP command to let libvirt explicitly query it.
Regards,
Daniel
--
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next prev parent reply other threads:[~2018-02-08 16:23 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 17:41 [Qemu-devel] [PATCH v6 00/23] x86: Secure Encrypted Virtualization (AMD) Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 01/23] memattrs: add debug attribute Brijesh Singh
2018-01-30 21:59 ` Edgar E. Iglesias
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 02/23] exec: add ram_debug_ops support Brijesh Singh
2018-01-30 21:59 ` Edgar E. Iglesias
2018-01-30 22:34 ` Brijesh Singh
2018-01-30 22:37 ` Edgar E. Iglesias
2018-01-30 23:26 ` Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 03/23] exec: add debug version of physical memory read and write API Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 04/23] monitor/i386: use debug APIs when accessing guest memory Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 05/23] target/i386: add memory encryption feature cpuid support Brijesh Singh
2018-01-30 17:49 ` Dr. David Alan Gilbert
2018-01-30 21:46 ` Brijesh Singh
2018-01-30 22:15 ` Brijesh Singh
2018-01-31 9:57 ` Dr. David Alan Gilbert
2018-01-31 13:41 ` Eduardo Habkost
2018-01-31 16:05 ` Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 06/23] machine: add -memory-encryption property Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 07/23] kvm: update kvm.h to include memory encryption ioctls Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 08/23] docs: add AMD Secure Encrypted Virtualization (SEV) Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 09/23] accel: add Secure Encrypted Virtulization (SEV) object Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 10/23] sev: add command to initialize the memory encryption context Brijesh Singh
2018-02-01 12:13 ` Dr. David Alan Gilbert
2018-02-01 15:33 ` Brijesh Singh
2018-02-01 15:46 ` Dr. David Alan Gilbert
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 11/23] sev: register the guest memory range which may contain encrypted data Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 12/23] kvm: introduce memory encryption APIs Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 13/23] hmp: display memory encryption support in 'info kvm' Brijesh Singh
2018-01-31 17:43 ` Markus Armbruster
2018-02-01 15:21 ` Brijesh Singh
2018-02-01 17:58 ` Dr. David Alan Gilbert
2018-02-01 19:55 ` Brijesh Singh
2018-02-01 20:04 ` Dr. David Alan Gilbert
2018-02-02 13:08 ` Daniel P. Berrangé
2018-02-02 13:46 ` Brijesh Singh
2018-02-02 15:24 ` Dr. David Alan Gilbert
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 14/23] sev: add command to create launch memory encryption context Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 15/23] sev: add command to encrypt guest memory region Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 16/23] target/i386: encrypt bios rom Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 17/23] qapi: add SEV_MEASUREMENT event Brijesh Singh
2018-01-31 17:45 ` Markus Armbruster
2018-02-01 15:25 ` Brijesh Singh
2018-02-01 15:28 ` Eric Blake
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 18/23] sev: emit the " Brijesh Singh
2018-01-30 20:08 ` Dr. David Alan Gilbert
2018-01-30 22:13 ` Brijesh Singh
2018-02-01 17:27 ` Dr. David Alan Gilbert
2018-02-02 15:11 ` Brijesh Singh
2018-02-02 15:16 ` Daniel P. Berrangé
2018-02-08 16:17 ` Brijesh Singh
2018-02-08 16:22 ` Daniel P. Berrangé [this message]
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 19/23] sev: Finalize the SEV guest launch flow Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 20/23] hw: i386: set ram_debug_ops when memory encryption is enabled Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 21/23] sev: add debug encrypt and decrypt commands Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 22/23] target/i386: clear C-bit when walking SEV guest page table Brijesh Singh
2018-01-29 17:41 ` [Qemu-devel] [PATCH v6 23/23] sev: add migration blocker Brijesh Singh
2018-01-29 18:13 ` [Qemu-devel] [PATCH v6 00/23] x86: Secure Encrypted Virtualization (AMD) no-reply
2018-01-29 18:17 ` no-reply
2018-01-29 18:19 ` no-reply
2018-01-29 18:31 ` no-reply
2018-02-06 15:51 ` Bruce Rogers
2018-02-07 1:07 ` Brijesh Singh
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