> -----Original Message----- > From: Gupta, Nipun > Sent: Friday, April 7, 2023 1:00 PM > To: David Marchand <david.march...@redhat.com> > Cc: dev@dpdk.org; tho...@monjalon.net; Yigit, Ferruh > <ferruh.yi...@amd.com>; Anand, Harpreet <harpreet.an...@amd.com>; > Agarwal, Nikhil <nikhil.agar...@amd.com> > Subject: Re: [PATCH 0/6] add support for CDX bus > > > > On 4/7/2023 12:48 PM, David Marchand wrote: > > Caution: This message originated from an External Source. Use proper caution > when opening attachments, clicking links, or responding. > > > > > > Hello, > > > > On Fri, Apr 7, 2023 at 8:02 AM Nipun Gupta <nipun.gu...@amd.com> wrote: > >> > >> Support AMD CDX bus, for FPGA based CDX devices. The CDX > >> devices are memory mapped on system bus for embedded CPUs. > >> > >> It uses sysfs interface and the vfio-cdx driver to discover > >> and initialize the CDX devices. > >> > >> The patches are intended for DPDK 23.07 release, and have been sent > >> as an RFC as patches are yet to be merged in Linux. > >> > >> Linux CDX bus patches has been added into linux next: > >> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux- > next.git/tree/drivers/cdx > >> > >> VFIO patches are also submitted in upstream: > >> https://www.spinics.net/lists/kvm/msg310623.html > > > > Hard to tell just from this link what the status is. > > Has it been reviewed? > > When are you expecting this to get merged? > > The CDX bus code has been merged and VFIO code is under review. Apart > from this, we will soon have Open source Linux from AMD which has all > the required patches for CDX in a week or so (I will provide the link > once that is available).
The CDX bus and VFIO support is now available at Xilinx open-source tree: https://github.com/Xilinx/linux-xlnx (drivers/cdx/ and drivers/vfio/cdx) Regards, Nipun
