[PATCH NEXT 4/6] netxen_nic: Error logging on firmware hang
From: Rajesh Borundia <hidden>
Date: 2012-02-03 21:51:10
Subsystem:
networking drivers, netxen (1/10) gbe support, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Manish Chopra, Rahul Verma, Linus Torvalds
From: Sritej Velaga <redacted> Log states of essential registers on firmware hang detection. Signed-off-by: Sritej Velaga <redacted> --- .../net/ethernet/qlogic/netxen/netxen_nic_hdr.h | 1 + .../net/ethernet/qlogic/netxen/netxen_nic_main.c | 21 ++++++++++++++++++- 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 dc1967c..b1a897c 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 f67655f..f517c16 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))
--
1.7.3.3