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Wed, 15 Sep 2021 20:46:47 +0000 To: Dmitry Kozlyuk , Pallavi Kadam CC: , , , References: <20210915005137.2186-1-pallavi.kadam@intel.com> <20210915220737.2c99f5a8@sovereign> From: "Menon, Ranjit" Message-ID: Date: Wed, 15 Sep 2021 13:46:44 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.13.0 In-Reply-To: <20210915220737.2c99f5a8@sovereign> Content-Language: en-US X-ClientProxiedBy: MW2PR16CA0070.namprd16.prod.outlook.com (2603:10b6:907:1::47) To SA2PR11MB5210.namprd11.prod.outlook.com (2603:10b6:806:fa::23) MIME-Version: 1.0 Received: from [192.168.254.28] (50.39.109.205) by MW2PR16CA0070.namprd16.prod.outlook.com (2603:10b6:907:1::47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14 via Frontend Transport; Wed, 15 Sep 2021 20:46:47 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 05c3a8ba-bf94-4f19-d671-08d97889ef98 X-MS-TrafficTypeDiagnostic: SN6PR11MB2782: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; 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charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [dpdk-dev] [PATCH] windows/netuio: add Intel Virtual Function device IDs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi, Dmitry On 9/15/2021 12:07 PM, Dmitry Kozlyuk wrote: > 2021-09-14 17:51 (UTC-0700), Pallavi Kadam: >> Add Intel Ethernet Virtual Function device IDs to netuio inf file >> to support Intel 40GbE and 100GbE deives on Windows VM. > Nit: why only VM? Can't VF be used from the host? I'm not an expert here, but I believe there is a limitation in Hyper-V (the Windows host hypervisor) where VFs cannot be assigned to the host - VFs can only be assigned to the guest VMs. (I believe there is no such limitation with Linux-based hypervisors). Hopefully, someone from Microsoft can confirm this. Ref: https://docs.microsoft.com/en-us/windows-hardware/drivers/network/sr-iov-architecture ranjit m. >> Signed-off-by: Pallavi Kadam >> Reviewed-by: Ranjit Menon > Acked-by: Dmitry Kozlyuk