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cxgb3 - fix EEH

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Reset the chip when the PCI link goes down.
Preserve the napi structure when a sge qset's resources are freed.
Replay only HW initialization when the chip comes out of reset.

Signed-off-by: Divy Le ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Divy Le Ray
2008-05-06 19:26:01 -07:00
committed by Jeff Garzik
parent 48c4b6dbb7
commit 204e2f98c2
5 changed files with 70 additions and 6 deletions
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10
drivers/net/cxgb3/cxgb3_main.c
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@@ -2430,9 +2430,6 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map))
offload_close(&adapter->tdev);
/* Free sge resources */
t3_free_sge_resources(adapter);
adapter->flags &= ~FULL_INIT_DONE;
pci_disable_device(pdev);
@@ -2457,8 +2454,12 @@ static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev)
goto err;
}
pci_set_master(pdev);
pci_restore_state(pdev);
if (t3_prep_adapter(adapter, adapter->params.info, 1))
/* Free sge resources */
t3_free_sge_resources(adapter);
if (t3_replay_prep_adapter(adapter))
goto err;
return PCI_ERS_RESULT_RECOVERED;
@@ -2610,6 +2611,7 @@ static int __devinit init_one(struct pci_dev *pdev,
}
pci_set_master(pdev);
pci_save_state(pdev);
mmio_start = pci_resource_start(pdev, 0);
mmio_len = pci_resource_len(pdev, 0);