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Date:   Sat, 4 Jul 2020 11:20:41 +0300
From:   "Paraschiv, Andra-Irina" <>
To:     Alexander Graf <>, <>
CC:     Anthony Liguori <>,
        Benjamin Herrenschmidt <>,
        Colm MacCarthaigh <>,
        "Bjoern Doebel" <>,
        David Woodhouse <>,
        "Frank van der Linden" <>,
        Greg KH <>,
        Martin Pohlack <>,
        Matt Wilson <>,
        "Paolo Bonzini" <>,
        Balbir Singh <>,
        "Stefano Garzarella" <>,
        Stefan Hajnoczi <>,
        Stewart Smith <>,
        Uwe Dannowski <>, <>,
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 <>
>> Signed-off-by: Alexandru Ciobotaru <>
>> Signed-off-by: Andra Paraschiv <>
> Reviewed-by: Alexander Graf <>

Added. Thank you.


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