vdpa/mlx5: Add shared memory registration code
Add code to support registering address space region for the device. The virtio driver can run as either: 1. Guest virtio driver 2. Userspace virtio driver on the host 3. Kernel virtio driver on the host In any case a memory key object is required to provide access to memory for the device. This code will be shared by network or block driver implementations. Reviewed-by:Parav Pandit <parav@mellanox.com> Signed-off-by:
Eli Cohen <eli@mellanox.com> Link: https://lore.kernel.org/r/20200804162048.22587-12-eli@mellanox.comSigned-off-by:
Michael S. Tsirkin <mst@redhat.com>
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drivers/vdpa/mlx5/core/mr.c
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