vdpa/mlx5: Avoid overwriting CVQ iotlb

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When qemu uses different address spaces for data and control virtqueues,
the current code would overwrite the control virtqueue iotlb through the
dup_iotlb call. Fix this by referring to the address space identifier
and the group to asid mapping to determine which mapping needs to be
updated. We also move the address space logic from mlx5 net to core
directory.

Reported-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20221114131759.57883-6-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>

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Eli Cohen 2022-11-14 15:17:56 +02:00 • committed by Michael S. Tsirkin

parent 0dbc1b4ae0

commit 38fc462f57

3 changed files with 39 additions and 59 deletions

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5

drivers/vdpa/mlx5/core/mlx5_vdpa.h

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44

drivers/vdpa/mlx5/core/mr.c

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49

drivers/vdpa/mlx5/net/mlx5_vnet.c

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