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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>
This commit is contained in:
Sritej Velaga 2012-02-03 11:35:13 +00:00 committed by David S. Miller
parent db608c129b
commit 5471aed025
2 changed files with 20 additions and 2 deletions
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1
drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h
View File

@ -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

21
drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
View File

@ -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))