vfio/mlx5: Add support for SAVING in chunk mode

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Add support for SAVING in chunk mode, it includes running a work
that will fill the next chunk from the device.

In case the number of available chunks will reach the MAX_NUM_CHUNKS,
the next chunk SAVING will be delayed till the reader will consume one
chunk.

The next patch from the series will add the reader part of the chunk
mode.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230911093856.81910-8-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

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This commit is contained in:

Yishai Hadas 2023-09-11 12:38:54 +03:00 • committed by Alex Williamson

parent 5798e4dd58

commit 67135f2945

3 changed files with 122 additions and 17 deletions

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43

drivers/vfio/pci/mlx5/cmd.c

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12

drivers/vfio/pci/mlx5/cmd.h

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84

drivers/vfio/pci/mlx5/main.c

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