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From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alex Williamson <alex@shazbot.org>,
	David Matlack <dmatlack@google.com>,
	Fuad Tabba <fuad.tabba@linux.dev>,
	Joey Gouly <joey.gouly@arm.com>,
	kvm@vger.kernel.org, kvmarm@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kselftest@vger.kernel.org, linux-rdma@vger.kernel.org,
	Marc Zyngier <maz@kernel.org>, Mark Bloch <mbloch@nvidia.com>,
	netdev@vger.kernel.org, Oliver Upton <oupton@kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Saeed Mahameed <saeedm@nvidia.com>,
	Sean Christopherson <seanjc@google.com>,
	Steffen Eiden <seiden@linux.ibm.com>,
	Shuah Khan <shuah@kernel.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Tariq Toukan <tariqt@nvidia.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	patches@lists.linux.dev
Subject: Re: [PATCH v7 04/10] net/mlx5: Add ONCE and MMIO accessor variants to mlx5_ifc_macros.h
Date: Mon, 28 Sep 2026 22:24:56 +0300	[thread overview]
Message-ID: <20260928192456.GG563127@unreal> (raw)
In-Reply-To: <4-v7-c6d30e8ce1e4+3dfa6-mlx5st_jgg@nvidia.com>

On Mon, Sep 21, 2026 at 07:35:44PM -0300, Jason Gunthorpe wrote:
> Add MLX5_GET_ONCE / MLX5_SET_ONCE which include READ_ONCE/WRITE_ONCE
> semantics for touching ownership bits that hardware may read or write
> at any time. The kernel driver doesn't use the IFC struct for these
> ownership bits, but the VFIO driver will and needs these helpers.
> 
> Add MLX5_GET_MMIO / MLX5_SET_MMIO for accessing the init seg using
> the IFC offsets. They embed a readl/writel using the IFC struct to
> generate the addressing.
> 
> Add MLX5_ARRAY_GET64(), the missing counterpart to
> MLX5_ARRAY_SET64().
> 
> Assisted-by: Claude:claude-opus-4.6
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> ---
>  include/linux/mlx5/mlx5_ifc_macros.h | 52 ++++++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)

You should have updated the copyright in this commit or the preceding one.
However, this is not important, so there is no need to respin the series
just for this.

Thanks,
Acked-by: Leon Romanovsky <leonro@nvidia.com>

  parent reply	other threads:[~2026-09-28 19:24 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-21 22:35 [PATCH v7 00/10] mlx5 support for VFIO self test Jason Gunthorpe
2026-09-21 22:35 ` [PATCH v7 01/10] net/mlx5: Add IFC structures for CQE and WQE Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-28 19:21   ` Leon Romanovsky
2026-09-21 22:35 ` [PATCH v7 02/10] net/mlx5: Move HW constant groups from device.h/cq.h to mlx5_ifc.h Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-28 19:21   ` Leon Romanovsky
2026-09-21 22:35 ` [PATCH v7 03/10] net/mlx5: Extract MLX5_SET/GET macros into mlx5_ifc_macros.h Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-28 19:22   ` Leon Romanovsky
2026-09-21 22:35 ` [PATCH v7 04/10] net/mlx5: Add ONCE and MMIO accessor variants to mlx5_ifc_macros.h Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-28 19:24   ` Leon Romanovsky [this message]
2026-09-21 22:35 ` [PATCH v7 05/10] selftests: Add additional kernel functions to tools/include/ Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-21 22:35 ` [PATCH v7 06/10] vfio: selftests: Allow drivers to specify required region size Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-23 18:26   ` David Matlack
2026-09-23 22:42   ` Sean Christopherson
2026-09-21 22:35 ` [PATCH v7 07/10] vfio: selftests: Add dev_dbg Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-21 22:35 ` [PATCH v7 08/10] vfio: selftests: Add mlx5 driver - HW init and command interface Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-21 22:35 ` [PATCH v7 09/10] vfio: selftests: Add mlx5 driver - data path and memcpy ops Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-21 22:35 ` [PATCH v7 10/10] vfio: selftests: mlx5 driver - add send_msi support Jason Gunthorpe
2026-09-22 22:38   ` sashiko-bot
2026-09-23 18:30 ` [PATCH v7 00/10] mlx5 support for VFIO self test David Matlack
2026-09-24 12:56 ` Alex Williamson
2026-09-28 22:28 ` Alex Williamson

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