From: David Matlack <dmatlack@google.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alex Williamson <alex@shazbot.org>,
Fuad Tabba <fuad.tabba@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
kvm@vger.kernel.org, kvmarm@lists.linux.dev,
Leon Romanovsky <leon@kernel.org>,
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 06/10] vfio: selftests: Allow drivers to specify required region size
Date: Wed, 23 Sep 2026 18:26:06 +0000 [thread overview]
Message-ID: <arQZvkNtgq-NlUkh@google.com> (raw)
In-Reply-To: <6-v7-c6d30e8ce1e4+3dfa6-mlx5st_jgg@nvidia.com>
On 2026-09-21 07:35 PM, Jason Gunthorpe wrote:
> Add a region_size field to struct vfio_pci_driver_ops so drivers can
> declare how much DMA-mapped region they need. The mlx5 driver will need
> ~18MB for firmware pages. Existing drivers pass in the sizeof their state
> struct. Since drivers all use only their declared state we can use the
> value directly and remove the SZ_2M hard coding.
>
> Assisted-by: Claude:claude-opus-4.6
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: David Matlack <dmatlack@google.com>
next prev parent reply other threads:[~2026-09-23 18:26 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
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 [this message]
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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