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cnss2: Add support to configure log level

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Add support to configure log level for dmesg and
ipc logging. Default log level is set to DEBUG
for ipc logging and INFO for dmesg logging.
Change default behavior of cnss_pr_dbg and
cnss_pr_vdbg API to not print in dmesg.

Change-Id: I6bb9d0bd297be20e66f563c16bb2f3f9d39d2be6
CRs-Fixed: 3499975
This commit is contained in:
Nirav Shah
2023-04-26 23:26:12 +05:30
parent 6506428355
commit 1e15d131ea
2 changed files with 131 additions and 15 deletions
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111
cnss2/debug.c
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@@ -13,10 +13,33 @@
#define MMIO_REG_ACCESS_MEM_TYPE 0xFF
#define MMIO_REG_RAW_ACCESS_MEM_TYPE 0xFE
#define DEFAULT_KERNEL_LOG_LEVEL INFO_LOG
#define DEFAULT_IPC_LOG_LEVEL DEBUG_LOG
enum log_level cnss_kernel_log_level = DEFAULT_KERNEL_LOG_LEVEL;
#if IS_ENABLED(CONFIG_IPC_LOGGING)
void *cnss_ipc_log_context;
void *cnss_ipc_log_long_context;
enum log_level cnss_ipc_log_level = DEFAULT_IPC_LOG_LEVEL;
static int cnss_set_ipc_log_level(u32 val)
{
if (val < MAX_LOG) {
cnss_ipc_log_level = val;
return 0;
}
return -EINVAL;
}
static u32 cnss_get_ipc_log_level(void)
{
return cnss_ipc_log_level;
}
#else
static int cnss_set_ipc_log_level(int val) { return -EINVAL; }
static u32 cnss_get_ipc_log_level(void) { return MAX_LOG; }
#endif
static int cnss_pin_connect_show(struct seq_file *s, void *data)
@@ -757,7 +780,12 @@ static ssize_t cnss_control_params_debug_write(struct file *fp,
plat_priv->ctrl_params.bdf_type = val;
else if (strcmp(cmd, "time_sync_period") == 0)
plat_priv->ctrl_params.time_sync_period = val;
else
else if (strcmp(cmd, "kern_log_level") == 0) {
if (val < MAX_LOG)
cnss_kernel_log_level = val;
} else if (strcmp(cmd, "ipc_log_level") == 0) {
return cnss_set_ipc_log_level(val) ? -EINVAL : count;
} else
return -EINVAL;
return count;
@@ -832,6 +860,7 @@ static int cnss_show_quirks_state(struct seq_file *s,
static int cnss_control_params_debug_show(struct seq_file *s, void *data)
{
struct cnss_plat_data *cnss_priv = s->private;
u32 ipc_log_level;
seq_puts(s, "\nUsage: echo <params_name> <value> > <debugfs_path>/cnss/control_params\n");
seq_puts(s, "<params_name> can be one of below:\n");
@@ -850,6 +879,11 @@ static int cnss_control_params_debug_show(struct seq_file *s, void *data)
seq_printf(s, "bdf_type: %u\n", cnss_priv->ctrl_params.bdf_type);
seq_printf(s, "time_sync_period: %u\n",
cnss_priv->ctrl_params.time_sync_period);
seq_printf(s, "kern_log_level: %u\n", cnss_kernel_log_level);
ipc_log_level = cnss_get_ipc_log_level();
if (ipc_log_level != MAX_LOG)
seq_printf(s, "ipc_log_level: %u\n", ipc_log_level);
return 0;
}
@@ -1027,7 +1061,8 @@ void cnss_debugfs_destroy(struct cnss_plat_data *plat_priv)
#if IS_ENABLED(CONFIG_IPC_LOGGING)
void cnss_debug_ipc_log_print(void *log_ctx, char *process, const char *fn,
const char *log_level, char *fmt, ...)
enum log_level kern_log_level,
enum log_level ipc_log_level, char *fmt, ...)
{
struct va_format vaf;
va_list va_args;
@@ -1036,10 +1071,40 @@ void cnss_debug_ipc_log_print(void *log_ctx, char *process, const char *fn,
vaf.fmt = fmt;
vaf.va = &va_args;
if (log_level)
printk("%scnss: %pV", log_level, &vaf);
if (kern_log_level <= cnss_kernel_log_level) {
switch (kern_log_level) {
case EMERG_LOG:
pr_emerg("cnss: %pV", &vaf);
break;
case ALERT_LOG:
pr_alert("cnss: %pV", &vaf);
break;
case CRIT_LOG:
pr_crit("cnss: %pV", &vaf);
break;
case ERR_LOG:
pr_err("cnss: %pV", &vaf);
break;
case WARNING_LOG:
pr_warn("cnss: %pV", &vaf);
break;
case NOTICE_LOG:
pr_notice("cnss: %pV", &vaf);
break;
case INFO_LOG:
pr_info("cnss: %pV", &vaf);
break;
case DEBUG_LOG:
case DEBUG_HI_LOG:
pr_debug("cnss: %pV", &vaf);
break;
default:
break;
}
}
ipc_log_string(log_ctx, "[%s] %s: %pV", process, fn, &vaf);
if (ipc_log_level <= cnss_ipc_log_level)
ipc_log_string(log_ctx, "[%s] %s: %pV", process, fn, &vaf);
va_end(va_args);
}
@@ -1080,7 +1145,8 @@ static void cnss_ipc_logging_deinit(void)
static int cnss_ipc_logging_init(void) { return 0; }
static void cnss_ipc_logging_deinit(void) {}
void cnss_debug_ipc_log_print(void *log_ctx, char *process, const char *fn,
const char *log_level, char *fmt, ...)
enum log_level kern_log_level,
enum log_level ipc_log_level, char *fmt, ...)
{
struct va_format vaf;
va_list va_args;
@@ -1089,8 +1155,37 @@ void cnss_debug_ipc_log_print(void *log_ctx, char *process, const char *fn,
vaf.fmt = fmt;
vaf.va = &va_args;
if (log_level)
printk("%scnss: %pV", log_level, &vaf);
if (kern_log_level <= cnss_kernel_log_level) {
switch (kern_log_level) {
case EMERG_LOG:
pr_emerg("cnss: %pV", &vaf);
break;
case ALERT_LOG:
pr_alert("cnss: %pV", &vaf);
break;
case CRIT_LOG:
pr_crit("cnss: %pV", &vaf);
break;
case ERR_LOG:
pr_err("cnss: %pV", &vaf);
break;
case WARNING_LOG:
pr_warn("cnss: %pV", &vaf);
break;
case NOTICE_LOG:
pr_notice("cnss: %pV", &vaf);
break;
case INFO_LOG:
pr_info("cnss: %pV", &vaf);
break;
case DEBUG_LOG:
case DEBUG_HI_LOG:
pr_debug("cnss: %pV", &vaf);
break;
default:
break;
}
}
va_end(va_args);
}