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bnx2x: dump FW memory when appropriate msglvl is raised 

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
This commit is contained in:
Dmitry Kravkov 2011-06-14 01:33:25 +00:00 committed by David S. Miller
parent 361c391e23
commit 7a25cc7315
4 changed files with 26 additions and 6 deletions
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2
drivers/net/bnx2x/bnx2x_cmn.h
View File

@ -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);

6
drivers/net/bnx2x/bnx2x_ethtool.c
View File

@ -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)

23
drivers/net/bnx2x/bnx2x_main.c
View File

@ -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)

1
drivers/net/bnx2x/bnx2x_reg.h
View File

@ -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