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Nvgpu will move to new V2 device node hierarchy by default to be consistent with MIG mode hierarchy. As part of this, expose V2 device node hierarchy with this patch. Both legacy and V2 hierarchies will co-exist for some duration until V2 hierarchy is well tested out, and then legacy hierarchy will be removed. With V2 hierarchy, below is the directory structure for dev nodes : igpu: /dev/nvgpu/igpu0/<dev_node> dgpu: /dev/nvgpu/dgpu-0001\:01\:00.0/<dev_node> Jira NVGPU-5648 Change-Id: I1c7a1c41e6d59fb248bc98a145c5ecebd06e8bad Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2443712 GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>