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vfio: extend data structure for multi container
Currently eal vfio framework binds vfio group fd to the default container fd during rte_vfio_setup_device, while in some cases, e.g. vDPA (vhost data path acceleration), we want to put vfio group to a separate container and program IOMMU via this container. This patch extends the vfio_config structure to contain per-container user_mem_maps and defines an array of vfio_config. The next patch will base on this to add container API. Signed-off-by: Junjie Chen <junjie.j.chen@intel.com> Signed-off-by: Xiao Wang <xiao.w.wang@intel.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com> Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
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