Build the shared GDMA and Ethernet code as gdma_core.ko, selected by MICROSOFT_GDMA_CORE. Build the PCI transport separately as mana.ko and export the required core symbols. Preserve the PCI module name, device table, and mana.eth/mana.rdma auxiliary-device names. Each transport registers its own bus driver. Signed-off-by: Manish Awasthi <mawasthi@linux.microsoft.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Link: https://patch.msgid.link/20260924173054.589291-4-mawasthi@linux.microsoft.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>