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The PCI shutdown handler is invoked in response to system reboot or shutdown. A data transfer might still be in flight when this happens. So the very first action we take here is to send a link down notification, so that any pending data transfer is terminated. Rest of the actions are same as that of PCI remove handler. Signed-off-by: Arindam Nath <arindam.nath@amd.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>