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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3504.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6edee462-fa42-4372-53bf-08dae4b4058d X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Dec 2022 07:05:06.4115 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 0V2ub10UWhhfQ9K828xQKKEQUaSYBNc8361ELY15Bs4CnBAIqGxawWnLs2NCkdeY3bjZ6YzmyWOV00ZjGEDC8w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR11MB5870 X-OriginatorOrg: intel.com X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Tomasz Duszynski <tduszynski@marvell.com> > Sent: Friday, December 23, 2022 7:24 AM > To: dev@dpdk.org > Cc: thomas@monjalon.net; jerinj@marvell.com; Tomasz Duszynski > <tduszynski@marvell.com> > Subject: [RFC PATCH 0/7] support vfio platform PMD >=20 > This series aims to add support for managing vfio platform > devices from userspace application conveniently i.e > without going through the configuration required by vfio > and opencoding everything. Instead convenience helpers > are provided. >=20 > vfio platform devices, from the kernel standpoint, are ones > that do not have built-in discovery capabilities and are > behind an IOMMU. >=20 > This PMD is backed by both vfio-platform and vfio > kernel drivers and ideally should give access to all > vfio capabilities. As of now, access to memory maps and > DMA are supported. >=20 > PMD requires platform bus support [1]. >=20 > [1] https://lore.kernel.org/dpdk-dev/20221222000106.270619-1- > tduszynski@marvell.com/ I have not looked into all details. But just wondering: why not making this part of the platform bus. This seems generic and then vendors can have thei= r own platform drivers. Thanks, Chenbo