From: Sritej Velaga Date: Fri, 3 Feb 2012 11:35:13 +0000 (+0000) Subject: netxen_nic: Error logging on firmware hang X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5471aed0259298e4e258b8a9e403ebdf88ebcd56;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git netxen_nic: Error logging on firmware hang Log states of essential registers on firmware hang detection. Signed-off-by: Sritej Velaga Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h index dc1967c1f312..b1a897cd9a8d 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 f67655f3462c..f517c16bfa3f 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))