qlcnic: Add AER support for 83xx adapter

[karo-tx-linux.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_83xx_hw.c

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 36223a9df43d1f100158b3f5317a07e32bfc9767..3ef5437b7b59f7f0829cc773fc98e57e6ea48f6d 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -11,6 +11,7 @@
 #include <linux/ipv6.h>
 #include <linux/ethtool.h>
 #include <linux/interrupt.h>
+#include <linux/aer.h>
 
 #define QLCNIC_MAX_TX_QUEUES           1
 #define RSS_HASHTYPE_IP_TCP            0x3
@@ -177,6 +178,10 @@ static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
        .get_board_info                 = qlcnic_83xx_get_port_info,
        .set_mac_filter_count           = qlcnic_83xx_set_mac_filter_count,
        .free_mac_list                  = qlcnic_82xx_free_mac_list,
+       .io_error_detected              = qlcnic_83xx_io_error_detected,
+       .io_slot_reset                  = qlcnic_83xx_io_slot_reset,
+       .io_resume                      = qlcnic_83xx_io_resume,
+
 };
 
 static struct qlcnic_nic_template qlcnic_83xx_ops = {
@@ -3819,3 +3824,57 @@ int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter)
        set_bit(QLC_83XX_MBX_READY, &mbx->status);
        return 0;
 }
+
+pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev,
+                                              pci_channel_state_t state)
+{
+       struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
+
+       if (state == pci_channel_io_perm_failure)
+               return PCI_ERS_RESULT_DISCONNECT;
+
+       if (state == pci_channel_io_normal)
+               return PCI_ERS_RESULT_RECOVERED;
+
+       set_bit(__QLCNIC_AER, &adapter->state);
+       set_bit(__QLCNIC_RESETTING, &adapter->state);
+
+       qlcnic_83xx_aer_stop_poll_work(adapter);
+
+       pci_save_state(pdev);
+       pci_disable_device(pdev);
+
+       return PCI_ERS_RESULT_NEED_RESET;
+}
+
+pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev)
+{
+       struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
+       int err = 0;
+
+       pdev->error_state = pci_channel_io_normal;
+       err = pci_enable_device(pdev);
+       if (err)
+               goto disconnect;
+
+       pci_set_power_state(pdev, PCI_D0);
+       pci_set_master(pdev);
+       pci_restore_state(pdev);
+
+       err = qlcnic_83xx_aer_reset(adapter);
+       if (err == 0)
+               return PCI_ERS_RESULT_RECOVERED;
+disconnect:
+       clear_bit(__QLCNIC_AER, &adapter->state);
+       clear_bit(__QLCNIC_RESETTING, &adapter->state);
+       return PCI_ERS_RESULT_DISCONNECT;
+}
+
+void qlcnic_83xx_io_resume(struct pci_dev *pdev)
+{
+       struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
+
+       pci_cleanup_aer_uncorrect_error_status(pdev);
+       if (test_and_clear_bit(__QLCNIC_AER, &adapter->state))
+               qlcnic_83xx_aer_start_poll_work(adapter);
+}