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: Wendy Xiong <wendyx@us.ibm.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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@ -3431,6 +3431,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
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}
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pci_set_master(pdev);
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pci_save_state(pdev);
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#ifdef CONFIG_NETDEVICES_MULTIQUEUE
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netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES);
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@ -3721,6 +3722,7 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
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return PCI_ERS_RESULT_DISCONNECT;
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}
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pci_set_master(pdev);
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pci_restore_state(pdev);
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pci_enable_wake(pdev, PCI_D3hot, 0);
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pci_enable_wake(pdev, PCI_D3cold, 0);
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