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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Dec 2024 22:28:32.8243 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 399d8a69-de59-4dd3-7f71-08dd157c26e5 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000A345.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7131 On 08/21/2024 3:10 PM, Jason Gunthorpe wrote: > > fwctl is a new subsystem intended to bring some common rules and order to > the growing pattern of exposing a secure FW interface directly to > userspace. Unlike existing places like RDMA/DRM/VFIO/uacce that are > exposing a device for datapath operations fwctl is focused on debugging, > configuration and provisioning of the device. It will not have the > necessary features like interrupt delivery to support a datapath. [snip] > > Several have expressed general support for this concept: > > Broadcom Networking - https://lore.kernel.org/r/Zf2n02q0GevGdS-Z@C02YVCJELVCG > Christoph Hellwig - https://lore.kernel.org/r/Zcx53N8lQjkpEu94@infradead.org/ > Daniel Vetter - https://lore.kernel.org/r/ZrHY2Bds7oF7KRGz@phenom.ffwll.local > Enfabrica - https://lore.kernel.org/r/9cc7127f-8674-43bc-b4d7-b1c4c2d96fed@kernel.org/ > NVIDIA Networking > Oded Gabbay/Habana - https://lore.kernel.org/r/ZrMl1bkPP-3G9B4N@T14sgabbay. > Oracle Linux - https://lore.kernel.org/r/6lakj6lxlxhdgrewodvj3xh6sxn3d36t5dab6najzyti2navx3@wrge7cyfk6nq > SuSE/Hannes - https://lore.kernel.org/r/2fd48f87-2521-4c34-8589-dbb7e91bb1c8@suse.com > Hi Jason, To add to the support, I can say that we're building an fwctl driver for our Pensando DSC device and likely will be able to post our first RFC after the winter holidays. This will include a couple of updates in pds_core for support of a new auxiliary device, and a new pds_fwctl driver to link that to fwctl subsystem. sln