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Commit fb3b27bc authored by Wendy Xiong's avatar Wendy Xiong Committed by Jeff Garzik
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ixgbe: save and restore pcie/msi state to support EEH recovery 



To enable EEH support for pci-express network adapters, pcie/msi state
needs to be saved and restored for that adapter.

Tested this EEH patch with Intel 10G pci-express ixgbe adapter.

Signed-off-by: default avatarWendy Xiong <wendyx@us.ibm.com>
Signed-off-by: default avatarAuke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 7b1be198

drivers/net/ixgbe/ixgbe_main.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -3431,6 +3431,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, 
	}

	}





	pci_set_master(pdev);

	pci_set_master(pdev);

	pci_save_state(pdev);





#ifdef CONFIG_NETDEVICES_MULTIQUEUE

#ifdef CONFIG_NETDEVICES_MULTIQUEUE

	netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES);

	netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES);
@@ -3721,6 +3722,7 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev) 
		return PCI_ERS_RESULT_DISCONNECT;

		return PCI_ERS_RESULT_DISCONNECT;

	}

	}

	pci_set_master(pdev);

	pci_set_master(pdev);

	pci_restore_state(pdev);





	pci_enable_wake(pdev, PCI_D3hot, 0);

	pci_enable_wake(pdev, PCI_D3hot, 0);

	pci_enable_wake(pdev, PCI_D3cold, 0);

	pci_enable_wake(pdev, PCI_D3cold, 0);