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authorSritej Velaga <sritej.velaga@qlogic.com>2012-02-03 11:35:13 +0000
committerDavid S. Miller <davem@davemloft.net>2012-02-04 15:59:29 -0500
commit5471aed0259298e4e258b8a9e403ebdf88ebcd56 (patch)
treed7b7559d82c60373e95bcd8f685f87b0a111ecd9
parentdb608c129b5258dbdff9c221857a95bc2dc1128e (diff)
netxen_nic: Error logging on firmware hang
Log states of essential registers on firmware hang detection. Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h1
-rw-r--r--drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c21
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h
index dc1967c1f31..b1a897cd9a8 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h
@@ -969,6 +969,7 @@ enum {
#define NX_RCODE_FATAL_ERROR 0x80000000
#define NX_FWERROR_PEGNUM(code) ((code) & 0xff)
#define NX_FWERROR_CODE(code) ((code >> 8) & 0xfffff)
+#define NX_FWERROR_PEGSTAT1(code) ((code >> 8) & 0x1fffff)
#define FW_POLL_DELAY (2 * HZ)
#define FW_FAIL_THRESH 3
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index f67655f3462..f517c16bfa3 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -2596,6 +2596,7 @@ static int
netxen_check_health(struct netxen_adapter *adapter)
{
u32 state, heartbit;
+ u32 peg_status;
struct net_device *netdev = adapter->netdev;
state = NXRD32(adapter, NX_CRB_DEV_STATE);
@@ -2642,8 +2643,24 @@ netxen_check_health(struct netxen_adapter *adapter)
clear_bit(__NX_FW_ATTACHED, &adapter->state);
- dev_info(&netdev->dev, "firmware hang detected\n");
-
+ dev_err(&netdev->dev, "firmware hang detected\n");
+ peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
+ dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
+ "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
+ "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
+ "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
+ "PEG_NET_4_PC: 0x%x\n",
+ peg_status,
+ NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
+ NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
+ NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
+ NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
+ NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
+ NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
+ if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
+ dev_err(&adapter->pdev->dev,
+ "Firmware aborted with error code 0x00006700. "
+ "Device is being reset.\n");
detach:
if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
!test_and_set_bit(__NX_RESETTING, &adapter->state))