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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 10 Apr 2008 14:40:34 -0500
From:	wendy xiong <wendyx@...ibm.com>
To:	netdev@...r.kernel.org, jeff@...zik.org, auke-jan.h.kok@...el.com,
	jesse.brandeburg@...el.com, e1000-devel@...ts.sourceforge.net
Subject: [PATCH 2/2 2.6.25-rc8] ixgbe: save and restore pcie/msi state to
	support EEH recovery

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@...ibm.com>


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);




--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html