diff options
| author | Jeffrey Huang <huangjw@broadcom.com> | 2011-07-13 17:24:21 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-14 08:46:08 -0700 |
| commit | ecdbf6e0d555d353188647d1b2dee9a79db69c68 (patch) | |
| tree | 054df5f005419fe58d782940eb480662bb843b2d /drivers/net/bnx2.c | |
| parent | 558e4c758c4c7bf209325f5865189c6558860b2b (diff) | |
| download | linux-ecdbf6e0d555d353188647d1b2dee9a79db69c68.tar.gz | |
bnx2: Add MCP dump
to help debug issues related to management firmware. Signed-off-by: Jeffrey Huang <huangjw@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2.c')
| -rw-r--r-- | drivers/net/bnx2.c | 61 |
1 files changed, 48 insertions, 13 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 7915d1404572..d105f1f23391 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2443,6 +2443,48 @@ bnx2_set_phy_loopback(struct bnx2 *bp) return 0; } +static void +bnx2_dump_mcp_state(struct bnx2 *bp) +{ + struct net_device *dev = bp->dev; + u32 mcp_p0, mcp_p1; + + netdev_err(dev, "<--- start MCP states dump --->\n"); + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + mcp_p0 = BNX2_MCP_STATE_P0; + mcp_p1 = BNX2_MCP_STATE_P1; + } else { + mcp_p0 = BNX2_MCP_STATE_P0_5708; + mcp_p1 = BNX2_MCP_STATE_P1_5708; + } + netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n", + bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1)); + netdev_err(dev, "DEBUG: MCP mode[%08x] state[%08x] evt_mask[%08x]\n", + bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_MODE), + bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_STATE), + bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_EVENT_MASK)); + netdev_err(dev, "DEBUG: pc[%08x] pc[%08x] instr[%08x]\n", + bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER), + bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_PROGRAM_COUNTER), + bnx2_reg_rd_ind(bp, BNX2_MCP_CPU_INSTRUCTION)); + netdev_err(dev, "DEBUG: shmem states:\n"); + netdev_err(dev, "DEBUG: drv_mb[%08x] fw_mb[%08x] link_status[%08x]", + bnx2_shmem_rd(bp, BNX2_DRV_MB), + bnx2_shmem_rd(bp, BNX2_FW_MB), + bnx2_shmem_rd(bp, BNX2_LINK_STATUS)); + pr_cont(" drv_pulse_mb[%08x]\n", bnx2_shmem_rd(bp, BNX2_DRV_PULSE_MB)); + netdev_err(dev, "DEBUG: dev_info_signature[%08x] reset_type[%08x]", + bnx2_shmem_rd(bp, BNX2_DEV_INFO_SIGNATURE), + bnx2_shmem_rd(bp, BNX2_BC_STATE_RESET_TYPE)); + pr_cont(" condition[%08x]\n", + bnx2_shmem_rd(bp, BNX2_BC_STATE_CONDITION)); + DP_SHMEM_LINE(bp, 0x3cc); + DP_SHMEM_LINE(bp, 0x3dc); + DP_SHMEM_LINE(bp, 0x3ec); + netdev_err(dev, "DEBUG: 0x3fc[%08x]\n", bnx2_shmem_rd(bp, 0x3fc)); + netdev_err(dev, "<--- end MCP states dump --->\n"); +} + static int bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent) { @@ -2471,13 +2513,14 @@ bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int ack, int silent) /* If we timed out, inform the firmware that this is the case. */ if ((val & BNX2_FW_MSG_ACK) != (msg_data & BNX2_DRV_MSG_SEQ)) { - if (!silent) - pr_err("fw sync timeout, reset code = %x\n", msg_data); - msg_data &= ~BNX2_DRV_MSG_CODE; msg_data |= BNX2_DRV_MSG_CODE_FW_TIMEOUT; bnx2_shmem_wr(bp, BNX2_DRV_MB, msg_data); + if (!silent) { + pr_err("fw sync timeout, reset code = %x\n", msg_data); + bnx2_dump_mcp_state(bp); + } return -EBUSY; } @@ -6316,7 +6359,7 @@ static void bnx2_dump_state(struct bnx2 *bp) { struct net_device *dev = bp->dev; - u32 mcp_p0, mcp_p1, val1, val2; + u32 val1, val2; pci_read_config_dword(bp->pdev, PCI_COMMAND, &val1); netdev_err(dev, "DEBUG: intr_sem[%x] PCI_CMD[%08x]\n", @@ -6329,15 +6372,6 @@ bnx2_dump_state(struct bnx2 *bp) REG_RD(bp, BNX2_EMAC_RX_STATUS)); netdev_err(dev, "DEBUG: RPM_MGMT_PKT_CTRL[%08x]\n", REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL)); - if (CHIP_NUM(bp) == CHIP_NUM_5709) { - mcp_p0 = BNX2_MCP_STATE_P0; - mcp_p1 = BNX2_MCP_STATE_P1; - } else { - mcp_p0 = BNX2_MCP_STATE_P0_5708; - mcp_p1 = BNX2_MCP_STATE_P1_5708; - } - netdev_err(dev, "DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n", - bnx2_reg_rd_ind(bp, mcp_p0), bnx2_reg_rd_ind(bp, mcp_p1)); netdev_err(dev, "DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n", REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS)); if (bp->flags & BNX2_FLAG_USING_MSIX) @@ -6351,6 +6385,7 @@ bnx2_tx_timeout(struct net_device *dev) struct bnx2 *bp = netdev_priv(dev); bnx2_dump_state(bp); + bnx2_dump_mcp_state(bp); /* This allows the netif to be shutdown gracefully before resetting */ schedule_work(&bp->reset_task); |