linux-kernel - Re: [PATCH v4 02/18] nitro_enclaves: Define the PCI device interface

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Message-ID: <97df5e8c-8d6d-6841-a643-871f681f7db6@amazon.com>
Date:   Sat, 4 Jul 2020 11:20:41 +0300
From:   "Paraschiv, Andra-Irina" <andraprs@...zon.com>
To:     Alexander Graf <graf@...zon.de>, <linux-kernel@...r.kernel.org>
CC:     Anthony Liguori <aliguori@...zon.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Colm MacCarthaigh <colmmacc@...zon.com>,
        "Bjoern Doebel" <doebel@...zon.de>,
        David Woodhouse <dwmw@...zon.co.uk>,
        "Frank van der Linden" <fllinden@...zon.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Martin Pohlack <mpohlack@...zon.de>,
        Matt Wilson <msw@...zon.com>,
        "Paolo Bonzini" <pbonzini@...hat.com>,
        Balbir Singh <sblbir@...zon.com>,
        "Stefano Garzarella" <sgarzare@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Stewart Smith <trawets@...zon.com>,
        Uwe Dannowski <uwed@...zon.de>, <kvm@...r.kernel.org>,
        <ne-devel-upstream@...zon.com>
Subject: Re: [PATCH v4 02/18] nitro_enclaves: Define the PCI device interface



On 02/07/2020 18:24, Alexander Graf wrote:
>
>
> On 22.06.20 22:03, Andra Paraschiv wrote:
>> The Nitro Enclaves (NE) driver communicates with a new PCI device, that
>> is exposed to a virtual machine (VM) and handles commands meant for
>> handling enclaves lifetime e.g. creation, termination, setting memory
>> regions. The communication with the PCI device is handled using a MMIO
>> space and MSI-X interrupts.
>>
>> This device communicates with the hypervisor on the host, where the VM
>> that spawned the enclave itself run, e.g. to launch a VM that is used
>> for the enclave.
>>
>> Define the MMIO space of the PCI device, the commands that are
>> provided by this device. Add an internal data structure used as private
>> data for the PCI device driver and the functions for the PCI device init
>> / uninit and command requests handling.
>>
>> Signed-off-by: Alexandru-Catalin Vasile <lexnv@...zon.com>
>> Signed-off-by: Alexandru Ciobotaru <alcioa@...zon.com>
>> Signed-off-by: Andra Paraschiv <andraprs@...zon.com>
>
> Reviewed-by: Alexander Graf <graf@...zon.com>

Added. Thank you.

Andra



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