netxen: support pci error handlers

o Support pci error detection and recovery.
o Refactor suspend and resume code, to share with io_error_detected,
  and slot_reset callbacks
o NX_NEED_AER device state added, to synchronize with firmware
  recovery.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index d138fc2..6383690 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -969,7 +969,8 @@
 #define NX_DEV_READY		3
 #define NX_DEV_NEED_RESET	4
 #define NX_DEV_NEED_QUISCENT	5
-#define NX_DEV_FAILED		6
+#define NX_DEV_NEED_AER 	6
+#define NX_DEV_FAILED		7
 
 #define NX_RCODE_DRIVER_INFO		0x20000000
 #define NX_RCODE_DRIVER_CAN_RELOAD	0x40000000