From 7a25cc7315e4d846cebbecd31bc4d79e7d2d6db3 Mon Sep 17 00:00:00 2001 From: Dmitry Kravkov Date: Tue, 14 Jun 2011 01:33:25 +0000 Subject: [PATCH] bnx2x: dump FW memory when appropriate msglvl is raised Signed-off-by: Dmitry Kravkov Signed-off-by: Vladislav Zolotarov Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x/bnx2x_cmn.h | 2 ++ drivers/net/bnx2x/bnx2x_ethtool.c | 6 +++++- drivers/net/bnx2x/bnx2x_main.c | 23 ++++++++++++++++++----- drivers/net/bnx2x/bnx2x_reg.h | 1 + 4 files changed, 26 insertions(+), 6 deletions(-) diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h index 19f8638ed516..ded8cf1e93fe 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.h +++ b/drivers/net/bnx2x/bnx2x_cmn.h @@ -363,6 +363,8 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); */ void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value); +void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl); + /* dev_close main block */ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode); diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index 2957353f7c2c..9526a320eaf2 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -704,8 +704,12 @@ static void bnx2x_set_msglevel(struct net_device *dev, u32 level) { struct bnx2x *bp = netdev_priv(dev); - if (capable(CAP_NET_ADMIN)) + if (capable(CAP_NET_ADMIN)) { + /* dump MCP trace */ + if (level & BNX2X_MSG_MCP) + bnx2x_fw_dump_lvl(bp, KERN_INFO); bp->msg_enable = level; + } } static int bnx2x_nway_reset(struct net_device *dev) diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index 2b4b376a69fb..3c06b1400397 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -833,9 +833,9 @@ static int bnx2x_mc_assert(struct bnx2x *bp) return rc; } -static void bnx2x_fw_dump(struct bnx2x *bp) +void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl) { - u32 addr; + u32 addr, val; u32 mark, offset; __be32 data[9]; int word; @@ -844,6 +844,14 @@ static void bnx2x_fw_dump(struct bnx2x *bp) BNX2X_ERR("NO MCP - can not dump\n"); return; } + netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n", + (bp->common.bc_ver & 0xff0000) >> 16, + (bp->common.bc_ver & 0xff00) >> 8, + (bp->common.bc_ver & 0xff)); + + val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER); + if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER)) + printk("%s" "MCP PC at 0x%x\n", lvl, val); if (BP_PATH(bp) == 0) trace_shmem_base = bp->common.shmem_base; @@ -853,9 +861,9 @@ static void bnx2x_fw_dump(struct bnx2x *bp) mark = REG_RD(bp, addr); mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH) + ((mark + 0x3) & ~0x3) - 0x08000000; - pr_err("begin fw dump (mark 0x%x)\n", mark); + printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark); - pr_err(""); + printk("%s", lvl); for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) { for (word = 0; word < 8; word++) data[word] = htonl(REG_RD(bp, offset + 4*word)); @@ -868,7 +876,12 @@ static void bnx2x_fw_dump(struct bnx2x *bp) data[8] = 0x0; pr_cont("%s", (char *)data); } - pr_err("end of fw dump\n"); + printk("%s" "end of fw dump\n", lvl); +} + +static inline void bnx2x_fw_dump(struct bnx2x *bp) +{ + bnx2x_fw_dump_lvl(bp, KERN_ERR); } void bnx2x_panic_dump(struct bnx2x *bp) diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index 949e8bd73188..18ac2ab08f3d 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -933,6 +933,7 @@ * clear; 1 = set. Data valid only in addresses 0-4. all the rest are zero. */ #define IGU_REG_WRITE_DONE_PENDING 0x130480 #define MCP_A_REG_MCPR_SCRATCH 0x3a0000 +#define MCP_REG_MCPR_CPU_PROGRAM_COUNTER 0x8501c #define MCP_REG_MCPR_NVM_ACCESS_ENABLE 0x86424 #define MCP_REG_MCPR_NVM_ADDR 0x8640c #define MCP_REG_MCPR_NVM_CFG4 0x8642c -- 2.30.2