From: "Paraschiv, Andra-Irina" <andraprs@amazon.com>
To: Pavel Machek <pavel@ucw.cz>, Paolo Bonzini <pbonzini@redhat.com>
Cc: <linux-kernel@vger.kernel.org>,
Anthony Liguori <aliguori@amazon.com>,
Benjamin Herrenschmidt <benh@amazon.com>,
Colm MacCarthaigh <colmmacc@amazon.com>,
Bjoern Doebel <doebel@amazon.de>,
David Woodhouse <dwmw@amazon.co.uk>,
Frank van der Linden <fllinden@amazon.com>,
"Alexander Graf" <graf@amazon.de>,
Martin Pohlack <mpohlack@amazon.de>, Matt Wilson <msw@amazon.com>,
Balbir Singh <sblbir@amazon.com>,
Stewart Smith <trawets@amazon.com>,
Uwe Dannowski <uwed@amazon.de>, <kvm@vger.kernel.org>,
<ne-devel-upstream@amazon.com>
Subject: Re: [PATCH v1 00/15] Add support for Nitro Enclaves
Date: Fri, 8 May 2020 10:00:27 +0300 [thread overview]
Message-ID: <620bf5ae-eade-37da-670d-a8704d9b4397@amazon.com> (raw)
In-Reply-To: <20200507174438.GB1216@bug>
On 07/05/2020 20:44, Pavel Machek wrote:
>
> Hi!
>
>>> it uses its own memory and CPUs + its virtio-vsock emulated device for
>>> communication with the primary VM.
>>>
>>> The memory and CPUs are carved out of the primary VM, they are dedicated
>>> for the enclave. The Nitro hypervisor running on the host ensures memory
>>> and CPU isolation between the primary VM and the enclave VM.
>>>
>>> These two components need to reflect the same state e.g. when the
>>> enclave abstraction process (1) is terminated, the enclave VM (2) is
>>> terminated as well.
>>>
>>> With regard to the communication channel, the primary VM has its own
>>> emulated virtio-vsock PCI device. The enclave VM has its own emulated
>>> virtio-vsock device as well. This channel is used, for example, to fetch
>>> data in the enclave and then process it. An application that sets up the
>>> vsock socket and connects or listens, depending on the use case, is then
>>> developed to use this channel; this happens on both ends - primary VM
>>> and enclave VM.
>>>
>>> Let me know if further clarifications are needed.
>> Thanks, this is all useful. However can you please clarify the
>> low-level details here?
> Is the virtual machine manager open-source? If so, I guess pointer for sources
> would be useful.
Hi Pavel,
Thanks for reaching out.
The VMM that is used for the primary / parent VM is not open source.
Andra
Amazon Development Center (Romania) S.R.L. registered office: 27A Sf. Lazar Street, UBC5, floor 2, Iasi, Iasi County, 700045, Romania. Registered in Romania. Registration number J22/2621/2005.
next prev parent reply other threads:[~2020-05-08 7:00 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-21 18:41 [PATCH v1 00/15] Add support for Nitro Enclaves Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 01/15] nitro_enclaves: Add ioctl interface definition Andra Paraschiv
2020-04-21 18:47 ` Randy Dunlap
2020-04-21 21:45 ` Paolo Bonzini
2020-04-22 15:49 ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 02/15] nitro_enclaves: Define the PCI device interface Andra Paraschiv
2020-04-21 21:22 ` Paolo Bonzini
2020-04-23 13:37 ` Paraschiv, Andra-Irina
2020-04-24 15:10 ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 03/15] nitro_enclaves: Define enclave info for internal bookkeeping Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 04/15] nitro_enclaves: Init PCI device driver Andra Paraschiv
2020-04-25 14:25 ` Liran Alon
2020-04-29 16:31 ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 05/15] nitro_enclaves: Handle PCI device command requests Andra Paraschiv
2020-04-25 14:52 ` Liran Alon
2020-04-29 17:00 ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 06/15] nitro_enclaves: Handle out-of-band PCI device events Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 07/15] nitro_enclaves: Init misc device providing the ioctl interface Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 08/15] nitro_enclaves: Add logic for enclave vm creation Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 09/15] nitro_enclaves: Add logic for enclave vcpu creation Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 10/15] nitro_enclaves: Add logic for enclave memory region set Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 11/15] nitro_enclaves: Add logic for enclave start Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 12/15] nitro_enclaves: Add logic for enclave termination Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 13/15] nitro_enclaves: Add Kconfig for the Nitro Enclaves driver Andra Paraschiv
2020-04-21 18:50 ` Randy Dunlap
2020-04-22 14:35 ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 14/15] nitro_enclaves: Add Makefile " Andra Paraschiv
2020-04-23 8:12 ` kbuild test robot
2020-04-24 17:00 ` Paraschiv, Andra-Irina
2020-04-23 8:43 ` kbuild test robot
2020-04-24 15:27 ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 15/15] MAINTAINERS: Add entry " Andra Paraschiv
2020-04-21 21:46 ` [PATCH v1 00/15] Add support for Nitro Enclaves Paolo Bonzini
2020-04-23 13:19 ` Paraschiv, Andra-Irina
2020-04-23 13:42 ` Paolo Bonzini
2020-04-23 17:42 ` Paraschiv, Andra-Irina
2020-04-23 17:51 ` Paolo Bonzini
2020-04-23 20:56 ` Alexander Graf
2020-04-23 21:18 ` Paolo Bonzini
2020-04-24 12:56 ` Alexander Graf
2020-04-24 16:27 ` Paolo Bonzini
2020-04-24 19:11 ` Alexander Graf
2020-04-25 16:05 ` Paolo Bonzini
2020-04-27 9:15 ` Paraschiv, Andra-Irina
2020-04-27 9:22 ` Paraschiv, Andra-Irina
2020-04-27 9:46 ` Paolo Bonzini
2020-04-27 10:00 ` Paraschiv, Andra-Irina
2020-04-28 15:07 ` Alexander Graf
2020-04-29 13:20 ` Paolo Bonzini
2020-04-30 13:59 ` Paraschiv, Andra-Irina
2020-04-30 10:34 ` Paolo Bonzini
2020-04-30 11:21 ` Alexander Graf
2020-04-30 11:38 ` Paolo Bonzini
2020-04-30 11:47 ` Alexander Graf
2020-04-30 11:58 ` Paolo Bonzini
2020-04-30 12:19 ` Alexander Graf
2020-05-07 17:44 ` Pavel Machek
2020-05-08 7:00 ` Paraschiv, Andra-Irina [this message]
2020-05-09 19:21 ` Pavel Machek
2020-05-10 11:02 ` Herrenschmidt, Benjamin
2020-05-11 10:49 ` Paraschiv, Andra-Irina
2020-05-11 13:49 ` Stefan Hajnoczi
2020-04-24 3:04 ` Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
2020-04-24 8:19 ` Paraschiv, Andra-Irina
2020-04-24 9:54 ` Paraschiv, Andra-Irina
2020-04-26 1:55 ` Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
2020-04-27 18:39 ` Paraschiv, Andra-Irina
2020-04-24 9:59 ` Tian, Kevin
2020-04-24 13:59 ` Paraschiv, Andra-Irina
2020-04-26 8:16 ` Tian, Kevin
2020-04-27 19:05 ` Paraschiv, Andra-Irina
[not found] ` <CAKXe6SLonLQLAOY9Q_2AzTeg4uJxiknsAWnJpTF0hMcXEG5Tew@mail.gmail.com>
2020-05-11 12:05 ` Paraschiv, Andra-Irina
2020-04-25 15:25 ` Liran Alon
2020-04-27 7:56 ` Paraschiv, Andra-Irina
2020-04-27 11:44 ` Liran Alon
2020-04-28 15:25 ` Alexander Graf
2020-04-28 16:01 ` Liran Alon
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