From: Jason Gunthorpe <jgg@nvidia.com>
To: Alex Williamson <alex@shazbot.org>
Cc: David Matlack <dmatlack@google.com>,
kvm@vger.kernel.org, Leon Romanovsky <leon@kernel.org>,
linux-kselftest@vger.kernel.org, linux-rdma@vger.kernel.org,
Mark Bloch <mbloch@nvidia.com>,
netdev@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>,
Shuah Khan <shuah@kernel.org>, Tariq Toukan <tariqt@nvidia.com>,
patches@lists.linux.dev
Subject: Re: [PATCH 00/11] mlx5 support for VFIO self test
Date: Sat, 2 May 2026 10:40:24 -0300 [thread overview]
Message-ID: <20260502134024.GC1381708@nvidia.com> (raw)
In-Reply-To: <71afd479-71b4-4ab7-bcbe-3f7b53bd11f4@app.fastmail.com>
On Fri, May 01, 2026 at 10:31:49PM -0600, Alex Williamson wrote:
> On Thu, Apr 30, 2026, at 6:08 PM, Jason Gunthorpe wrote:
> > Add an mlx5 driver to VFIO self test. This is largely a remix of the
> > existing VFIO mlx5 driver in rdma-core. It uses an RDMA loopback QP
> > to issue RDMA WRITE operations which effectively perform memory
> > copies using DMA. Since mlx5 has a stable programming ABI this
> > should work on devices from CX5 to current HW. The device FW must
> > support the QP loopback configuration.
>
> Does the PCI ID table in the series need some pruning then? It
> includes CX4.
Maybe.. I don't actually know that it doesn't work on CX4 and before,
I only was able to test as far back as CX5. I'm thinking to leave it
and if someone does try it and it doesn't work then remove it.
Jason
prev parent reply other threads:[~2026-05-02 13:40 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-01 0:08 [PATCH 00/11] mlx5 support for VFIO self test Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 01/11] net/mlx5: Add IFC structures for CQE and WQE Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 02/11] net/mlx5: Move HW constant groups from device.h/cq.h to mlx5_ifc.h Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 03/11] net/mlx5: Extract MLX5_SET/GET macros into mlx5_ifc_macros.h Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 04/11] net/mlx5: Add ONCE and MMIO accessor variants to mlx5_ifc_macros.h Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 05/11] selftests: Add additional kernel functions to tools/include/ Jason Gunthorpe
2026-05-04 21:48 ` David Matlack
2026-05-05 15:43 ` Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 06/11] selftests: Fix arm64 IO barriers to match kernel Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 07/11] vfio: selftests: Allow drivers to specify required region size Jason Gunthorpe
2026-05-02 8:33 ` Manuel Ebner
2026-05-04 20:55 ` David Matlack
2026-05-05 15:52 ` Jason Gunthorpe
2026-05-05 16:05 ` David Matlack
2026-05-01 0:08 ` [PATCH 08/11] vfio: selftests: Add dev_dbg Jason Gunthorpe
2026-05-04 21:15 ` David Matlack
2026-05-05 15:53 ` Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 09/11] vfio: selftests: Add mlx5 driver - HW init and command interface Jason Gunthorpe
2026-05-02 9:35 ` Manuel Ebner
2026-05-04 22:35 ` David Matlack
2026-05-05 15:45 ` Jason Gunthorpe
2026-05-05 16:03 ` David Matlack
2026-05-01 0:08 ` [PATCH 10/11] vfio: selftests: Add mlx5 driver - data path and memcpy ops Jason Gunthorpe
2026-05-04 22:41 ` David Matlack
2026-05-05 15:49 ` Jason Gunthorpe
2026-05-01 0:08 ` [PATCH 11/11] vfio: selftests: mlx5 driver - add send_msi support Jason Gunthorpe
2026-05-01 16:11 ` [PATCH 00/11] mlx5 support for VFIO self test David Matlack
2026-05-01 16:43 ` Jason Gunthorpe
2026-05-04 22:54 ` David Matlack
2026-05-05 15:50 ` Jason Gunthorpe
2026-05-05 15:57 ` David Matlack
2026-05-02 4:31 ` Alex Williamson
2026-05-02 13:40 ` Jason Gunthorpe [this message]
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