Re: [PATCH 2/2 2.6.25-rc8] ixgbe: save and restore pcie/msi state to support EEH recovery

["Kok, Auke" <auke-jan.h.kok@intel.com>]

wendy xiong wrote:
> Hi,
> 
> To enable EEH support for pci-express network adapters, pcie/msi state
> needs to be saved and restored for that adapter.
> 
> We have tested this EEH patch with Intel 10G pci-express ixgbe adapter.
> 
> Signed-off-by: Wendy Xiong <wendyx@us.ibm.com>


Thanks Wendy,

I'll pull (both) these in my tree and make sure they get merged. thanks!

Auke

> 
> 
> diff -Nuarp linux-2.6.25-rc8.orig/drivers/net/ixgbe/ixgbe_main.c linux-2.6.25-rc8/drivers/net/ixgbe/ixgbe_main.c
> --- linux-2.6.25-rc8.orig/drivers/net/ixgbe/ixgbe_main.c        2008-04-07 19:18:08.000000000 -0500
> +++ linux-2.6.25-rc8/drivers/net/ixgbe/ixgbe_main.c     2008-04-10 12:54:17.000000000 -0500
> @@ -2654,6 +2654,7 @@ static int __devinit ixgbe_probe(struct
>         }
> 
>         pci_set_master(pdev);
> +       pci_save_state(pdev);
> 
>         netdev = alloc_etherdev(sizeof(struct ixgbe_adapter));
>         if (!netdev) {
> @@ -2910,6 +2911,7 @@ static pci_ers_result_t ixgbe_io_slot_re
>                 return PCI_ERS_RESULT_DISCONNECT;
>         }
>         pci_set_master(pdev);
> +       pci_restore_state(pdev);
> 
>         pci_enable_wake(pdev, PCI_D3hot, 0);
>         pci_enable_wake(pdev, PCI_D3cold, 0);
> 
> 
> 
> 
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