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This patch adds support for vfio_pci driver for mlx5 devices. It uses vfio_pci_core to register to the VFIO subsystem and then implements the mlx5 specific logic in the migration area. The migration implementation follows the definition from uapi/vfio.h and uses the mlx5 VF->PF command channel to achieve it. This patch implements the suspend/resume flows. Link: https://lore.kernel.org/all/20220224142024.147653-14-yishaih@nvidia.com Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Yishai Hadas <yishaih@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
10 lines
288 B
Text
10 lines
288 B
Text
# SPDX-License-Identifier: GPL-2.0-only
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config MLX5_VFIO_PCI
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tristate "VFIO support for MLX5 PCI devices"
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depends on MLX5_CORE
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depends on VFIO_PCI_CORE
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help
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This provides migration support for MLX5 devices using the VFIO
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framework.
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If you don't know what to do here, say N.
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