iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/mlx5: Print initializing field in case of timeout

Browse Source 
Print the initializing field in case of FW couldn't initialize before
timeout. This will help to better understand the root cause in some
cases.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Shay Drory 2022-03-22 16:55:58 +02:00 committed by Saeed Mahameed
parent b5235a9979
commit cdfc6ffbfb
1 changed files with 8 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -177,30 +177,29 @@ static struct mlx5_profile profile[] = {
},
};
static int fw_initializing(struct mlx5_core_dev *dev)
{
return ioread32be(&dev->iseg->initializing) >> 31;
}
static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili,
u32 warn_time_mili)
{
unsigned long warn = jiffies + msecs_to_jiffies(warn_time_mili);
unsigned long end = jiffies + msecs_to_jiffies(max_wait_mili);
u32 fw_initializing;
int err = 0;
while (fw_initializing(dev)) {
do {
fw_initializing = ioread32be(&dev->iseg->initializing);
if (!(fw_initializing >> 31))
break;
if (time_after(jiffies, end)) {
err = -EBUSY;
break;
}
if (warn_time_mili && time_after(jiffies, warn)) {
mlx5_core_warn(dev, "Waiting for FW initialization, timeout abort in %ds\n",
jiffies_to_msecs(end - warn) / 1000);
mlx5_core_warn(dev, "Waiting for FW initialization, timeout abort in %ds (0x%x)\n",
jiffies_to_msecs(end - warn) / 1000, fw_initializing);
warn = jiffies + msecs_to_jiffies(warn_time_mili);
}
msleep(mlx5_tout_ms(dev, FW_PRE_INIT_WAIT));
}
} while (true);
return err;
}