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ixgbe: Implement PCIe AER support 

This patch implements the PCIe Advanced Error Reporting callbacks in
ixgbe.  The 82598 hardware supports AER, so we enable it.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter P Waskiewicz Jr 2008-12-10 01:13:08 -08:00 committed by David S. Miller
parent 5e8427e5e2
commit 6fabd715e6
2 changed files with 34 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ixgbe/ixgbe.h
View File

@ -32,6 +32,7 @@
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/inet_lro.h>
#include <linux/aer.h>
#include "ixgbe_type.h"
#include "ixgbe_common.h"

41
drivers/net/ixgbe/ixgbe_main.c
View File

@ -4020,6 +4020,13 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
goto err_pci_reg;
}
err = pci_enable_pcie_error_reporting(pdev);
if (err) {
dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
"0x%x\n", err);
/* non-fatal, continue */
}
pci_set_master(pdev);
pci_save_state(pdev);
@ -4257,6 +4264,7 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgbe_adapter *adapter = netdev_priv(netdev);
int err;
set_bit(__IXGBE_DOWN, &adapter->state);
/* clear the module not found bit to make sure the worker won't
@ -4295,6 +4303,11 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
free_netdev(netdev);
err = pci_disable_pcie_error_reporting(pdev);
if (err)
dev_err(&pdev->dev,
"pci_disable_pcie_error_reporting failed 0x%x\n", err);
pci_disable_device(pdev);
}
@ -4332,21 +4345,33 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgbe_adapter *adapter = netdev_priv(netdev);
pci_ers_result_t result;
int err;
if (pci_enable_device(pdev)) {
DPRINTK(PROBE, ERR,
"Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
result = PCI_ERS_RESULT_DISCONNECT;
} else {
pci_set_master(pdev);
pci_restore_state(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
ixgbe_reset(adapter);
result = PCI_ERS_RESULT_RECOVERED;
}
pci_set_master(pdev);
pci_restore_state(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
err = pci_cleanup_aer_uncorrect_error_status(pdev);
if (err) {
dev_err(&pdev->dev,
"pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n", err);
/* non-fatal, continue */
}
ixgbe_reset(adapter);
return PCI_ERS_RESULT_RECOVERED;
return result;
}
/**