vfio/mlx5: Let firmware knows upon leaving PRE_COPY back to RUNNING

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Let firmware knows upon leaving PRE_COPY back to RUNNING as of some
error in the target/migration cancellation.

This will let firmware cleaning its internal resources that were turned
on upon PRE_COPY.

The flow is based on the device specification in this area.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Leon Romanovsky <leon@kernel.org>
Link: https://lore.kernel.org/r/20240205124828.232701-6-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

...

This commit is contained in:

Yishai Hadas 2024-02-05 14:48:28 +02:00 • committed by Alex Williamson

parent d8d577b5fa

commit 6de042240b

3 changed files with 45 additions and 12 deletions

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14

drivers/vfio/pci/mlx5/cmd.c

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4

drivers/vfio/pci/mlx5/cmd.h

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39

drivers/vfio/pci/mlx5/main.c

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