From 0951c5c214e525185572204b587e3b6762d121f4 Mon Sep 17 00:00:00 2001 From: Manish chopra Date: Mon, 16 Dec 2013 15:37:03 -0500 Subject: [PATCH] qlcnic: Dump mailbox registers when mailbox command times out. Signed-off-by: Manish Chopra Signed-off-by: Himanshu Madhani Signed-off-by: David S. Miller --- .../net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index ab66e7f3e01e..6055d397a29e 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -3734,6 +3734,19 @@ static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter, return; } +static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter) +{ + struct qlcnic_hardware_context *ahw = adapter->ahw; + u32 offset; + + offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); + dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x", + readl(ahw->pci_base0 + offset), + QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL), + QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL), + QLCRDX(ahw, QLCNIC_FW_MBX_CTRL)); +} + static void qlcnic_83xx_mailbox_worker(struct work_struct *work) { struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox, @@ -3778,6 +3791,8 @@ static void qlcnic_83xx_mailbox_worker(struct work_struct *work) __func__, cmd->cmd_op, cmd->type, ahw->pci_func, ahw->op_mode); clear_bit(QLC_83XX_MBX_READY, &mbx->status); + qlcnic_dump_mailbox_registers(adapter); + qlcnic_83xx_get_mbx_data(adapter, cmd); qlcnic_dump_mbx(adapter, cmd); qlcnic_83xx_idc_request_reset(adapter, QLCNIC_FORCE_FW_DUMP_KEY); -- 2.30.2