[mirror_ubuntu-bionic-kernel.git] / include / linux / printk.h

#ifndef __KERNEL_PRINTK__
#define __KERNEL_PRINTK__

#include <linux/init.h>
#include <linux/kern_levels.h>

extern const char linux_banner[];
extern const char linux_proc_banner[];

static inline int printk_get_level(const char *buffer)
{
	if (buffer[0] == KERN_SOH_ASCII && buffer[1]) {
		switch (buffer[1]) {
		case '0' ... '7':
		case 'd':	/* KERN_DEFAULT */
			return buffer[1];
		}
	}
	return 0;
}

static inline const char *printk_skip_level(const char *buffer)
{
	if (printk_get_level(buffer)) {
		switch (buffer[1]) {
		case '0' ... '7':
		case 'd':	/* KERN_DEFAULT */
			return buffer + 2;
		}
	}
	return buffer;
}

extern int console_printk[];

#define console_loglevel (console_printk[0])
#define default_message_loglevel (console_printk[1])
#define minimum_console_loglevel (console_printk[2])
#define default_console_loglevel (console_printk[3])

static inline void console_silent(void)
{
	console_loglevel = 0;
}

static inline void console_verbose(void)
{
	if (console_loglevel)
		console_loglevel = 15;
}

struct va_format {
	const char *fmt;
	va_list *va;
};

/*
 * FW_BUG
 * Add this to a message where you are sure the firmware is buggy or behaves
 * really stupid or out of spec. Be aware that the responsible BIOS developer
 * should be able to fix this issue or at least get a concrete idea of the
 * problem by reading your message without the need of looking at the kernel
 * code.
 *
 * Use it for definite and high priority BIOS bugs.
 *
 * FW_WARN
 * Use it for not that clear (e.g. could the kernel messed up things already?)
 * and medium priority BIOS bugs.
 *
 * FW_INFO
 * Use this one if you want to tell the user or vendor about something
 * suspicious, but generally harmless related to the firmware.
 *
 * Use it for information or very low priority BIOS bugs.
 */
#define FW_BUG		"[Firmware Bug]: "
#define FW_WARN		"[Firmware Warn]: "
#define FW_INFO		"[Firmware Info]: "

/*
 * HW_ERR
 * Add this to a message for hardware errors, so that user can report
 * it to hardware vendor instead of LKML or software vendor.
 */
#define HW_ERR		"[Hardware Error]: "

/*
 * Dummy printk for disabled debugging statements to use whilst maintaining
 * gcc's format and side-effect checking.
 */
static inline __printf(1, 2)
int no_printk(const char *fmt, ...)
{
	return 0;
}

extern asmlinkage __printf(1, 2)
void early_printk(const char *fmt, ...);

extern int printk_needs_cpu(int cpu);
extern void printk_tick(void);

#ifdef CONFIG_PRINTK
asmlinkage __printf(5, 0)
int vprintk_emit(int facility, int level,
		 const char *dict, size_t dictlen,
		 const char *fmt, va_list args);

asmlinkage __printf(1, 0)
int vprintk(const char *fmt, va_list args);

asmlinkage __printf(5, 6) __cold
asmlinkage int printk_emit(int facility, int level,
			   const char *dict, size_t dictlen,
			   const char *fmt, ...);

asmlinkage __printf(1, 2) __cold
int printk(const char *fmt, ...);

/*
 * Special printk facility for scheduler use only, _DO_NOT_USE_ !
 */
__printf(1, 2) __cold int printk_sched(const char *fmt, ...);

/*
 * Please don't use printk_ratelimit(), because it shares ratelimiting state
 * with all other unrelated printk_ratelimit() callsites.  Instead use
 * printk_ratelimited() or plain old __ratelimit().
 */
extern int __printk_ratelimit(const char *func);
#define printk_ratelimit() __printk_ratelimit(__func__)
extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
				   unsigned int interval_msec);

extern int printk_delay_msec;
extern int dmesg_restrict;
extern int kptr_restrict;

void log_buf_kexec_setup(void);
void __init setup_log_buf(int early);
#else
static inline __printf(1, 0)
int vprintk(const char *s, va_list args)
{
	return 0;
}
static inline __printf(1, 2) __cold
int printk(const char *s, ...)
{
	return 0;
}
static inline __printf(1, 2) __cold
int printk_sched(const char *s, ...)
{
	return 0;
}
static inline int printk_ratelimit(void)
{
	return 0;
}
static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies,
					  unsigned int interval_msec)
{
	return false;
}

static inline void log_buf_kexec_setup(void)
{
}

static inline void setup_log_buf(int early)
{
}
#endif

extern void dump_stack(void) __cold;

#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif

#define pr_emerg(fmt, ...) \
	printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
#define pr_alert(fmt, ...) \
	printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_crit(fmt, ...) \
	printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_err(fmt, ...) \
	printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
#define pr_warning(fmt, ...) \
	printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
#define pr_warn pr_warning
#define pr_notice(fmt, ...) \
	printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
#define pr_info(fmt, ...) \
	printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
#define pr_cont(fmt, ...) \
	printk(KERN_CONT fmt, ##__VA_ARGS__)

/* pr_devel() should produce zero code unless DEBUG is defined */
#ifdef DEBUG
#define pr_devel(fmt, ...) \
	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_devel(fmt, ...) \
	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif

/* If you are writing a driver, please use dev_dbg instead */
#if defined(CONFIG_DYNAMIC_DEBUG)
/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */
#define pr_debug(fmt, ...) \
	dynamic_pr_debug(fmt, ##__VA_ARGS__)
#elif defined(DEBUG)
#define pr_debug(fmt, ...) \
	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_debug(fmt, ...) \
	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif

/*
 * Print a one-time message (analogous to WARN_ONCE() et al):
 */

#ifdef CONFIG_PRINTK
#define printk_once(fmt, ...)			\
({						\
	static bool __print_once;		\
						\
	if (!__print_once) {			\
		__print_once = true;		\
		printk(fmt, ##__VA_ARGS__);	\
	}					\
})
#else
#define printk_once(fmt, ...)			\
	no_printk(fmt, ##__VA_ARGS__)
#endif

#define pr_emerg_once(fmt, ...)					\
	printk_once(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
#define pr_alert_once(fmt, ...)					\
	printk_once(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_crit_once(fmt, ...)					\
	printk_once(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_err_once(fmt, ...)					\
	printk_once(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
#define pr_warn_once(fmt, ...)					\
	printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
#define pr_notice_once(fmt, ...)				\
	printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
#define pr_info_once(fmt, ...)					\
	printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
#define pr_cont_once(fmt, ...)					\
	printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
/* If you are writing a driver, please use dev_dbg instead */
#if defined(DEBUG)
#define pr_debug_once(fmt, ...)					\
	printk_once(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_debug_once(fmt, ...)					\
	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif

/*
 * ratelimited messages with local ratelimit_state,
 * no local ratelimit_state used in the !PRINTK case
 */
#ifdef CONFIG_PRINTK
#define printk_ratelimited(fmt, ...)					\
({									\
	static DEFINE_RATELIMIT_STATE(_rs,				\
				      DEFAULT_RATELIMIT_INTERVAL,	\
				      DEFAULT_RATELIMIT_BURST);		\
									\
	if (__ratelimit(&_rs))						\
		printk(fmt, ##__VA_ARGS__);				\
})
#else
#define printk_ratelimited(fmt, ...)					\
	no_printk(fmt, ##__VA_ARGS__)
#endif

#define pr_emerg_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
#define pr_alert_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_crit_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
#define pr_err_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
#define pr_warn_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
#define pr_notice_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
#define pr_info_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
/* no pr_cont_ratelimited, don't do that... */
/* If you are writing a driver, please use dev_dbg instead */
#if defined(DEBUG)
#define pr_debug_ratelimited(fmt, ...)					\
	printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_debug_ratelimited(fmt, ...) \
	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif

extern const struct file_operations kmsg_fops;

enum {
	DUMP_PREFIX_NONE,
	DUMP_PREFIX_ADDRESS,
	DUMP_PREFIX_OFFSET
};
extern void hex_dump_to_buffer(const void *buf, size_t len,
			       int rowsize, int groupsize,
			       char *linebuf, size_t linebuflen, bool ascii);
#ifdef CONFIG_PRINTK
extern void print_hex_dump(const char *level, const char *prefix_str,
			   int prefix_type, int rowsize, int groupsize,
			   const void *buf, size_t len, bool ascii);
extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
				 const void *buf, size_t len);
#else
static inline void print_hex_dump(const char *level, const char *prefix_str,
				  int prefix_type, int rowsize, int groupsize,
				  const void *buf, size_t len, bool ascii)
{
}
static inline void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
					const void *buf, size_t len)
{
}

#endif

#endif
Commit	Line	Data
968ab183 LT	1	#ifndef __KERNEL_PRINTK__
	2	#define __KERNEL_PRINTK__
	3
162a7e75	4	#include <linux/init.h>
314ba352	5	#include <linux/kern_levels.h>
162a7e75	6
968ab183 LT	7	extern const char linux_banner[];
	8	extern const char linux_proc_banner[];
	9
acc8fa41 JP	10	static inline int printk_get_level(const char *buffer)
acc8fa41 JP	11	{
04d2c8c8	12	if (buffer[0] == KERN_SOH_ASCII && buffer[1]) {
acc8fa41 JP	13	switch (buffer[1]) {
	14	case '0' ... '7':
	15	case 'd': /* KERN_DEFAULT */
acc8fa41 JP	16	return buffer[1];
	17	}
	18	}
	19	return 0;
	20	}
	21
	22	static inline const char printk_skip_level(const char buffer)
	23	{
	24	if (printk_get_level(buffer)) {
	25	switch (buffer[1]) {
	26	case '0' ... '7':
	27	case 'd': /* KERN_DEFAULT */
04d2c8c8	28	return buffer + 2;
acc8fa41 JP	29	}
	30	}
	31	return buffer;
	32	}
	33
968ab183 LT	34	extern int console_printk[];
	35
	36	#define console_loglevel (console_printk[0])
	37	#define default_message_loglevel (console_printk[1])
	38	#define minimum_console_loglevel (console_printk[2])
	39	#define default_console_loglevel (console_printk[3])
	40
a9747cc3 JP	41	static inline void console_silent(void)
	42	{
	43	console_loglevel = 0;
	44	}
	45
	46	static inline void console_verbose(void)
	47	{
	48	if (console_loglevel)
	49	console_loglevel = 15;
	50	}
	51
968ab183 LT	52	struct va_format {
	53	const char *fmt;
	54	va_list *va;
	55	};
	56
	57	/*
	58	* FW_BUG
	59	* Add this to a message where you are sure the firmware is buggy or behaves
	60	* really stupid or out of spec. Be aware that the responsible BIOS developer
	61	* should be able to fix this issue or at least get a concrete idea of the
	62	* problem by reading your message without the need of looking at the kernel
	63	* code.
	64	*
	65	* Use it for definite and high priority BIOS bugs.
	66	*
	67	* FW_WARN
	68	* Use it for not that clear (e.g. could the kernel messed up things already?)
	69	* and medium priority BIOS bugs.
	70	*
	71	* FW_INFO
	72	* Use this one if you want to tell the user or vendor about something
	73	* suspicious, but generally harmless related to the firmware.
	74	*
	75	* Use it for information or very low priority BIOS bugs.
	76	*/
	77	#define FW_BUG "[Firmware Bug]: "
	78	#define FW_WARN "[Firmware Warn]: "
	79	#define FW_INFO "[Firmware Info]: "
	80
	81	/*
	82	* HW_ERR
	83	* Add this to a message for hardware errors, so that user can report
	84	* it to hardware vendor instead of LKML or software vendor.
	85	*/
	86	#define HW_ERR "[Hardware Error]: "
	87
5264f2f7 JP	88	/*
	89	* Dummy printk for disabled debugging statements to use whilst maintaining
	90	* gcc's format and side-effect checking.
	91	*/
b9075fa9	92	static inline __printf(1, 2)
5264f2f7 JP	93	int no_printk(const char *fmt, ...)
	94	{
	95	return 0;
	96	}
	97
b9075fa9	98	extern asmlinkage __printf(1, 2)
5264f2f7 JP	99	void early_printk(const char *fmt, ...);
	100
	101	extern int printk_needs_cpu(int cpu);
	102	extern void printk_tick(void);
	103
968ab183	104	#ifdef CONFIG_PRINTK
7ff9554b KS	105	asmlinkage __printf(5, 0)
	106	int vprintk_emit(int facility, int level,
	107	const char *dict, size_t dictlen,
	108	const char *fmt, va_list args);
	109
b9075fa9	110	asmlinkage __printf(1, 0)
5264f2f7	111	int vprintk(const char *fmt, va_list args);
7ff9554b KS	112
	113	asmlinkage __printf(5, 6) __cold
	114	asmlinkage int printk_emit(int facility, int level,
	115	const char *dict, size_t dictlen,
	116	const char *fmt, ...);
	117
b9075fa9	118	asmlinkage __printf(1, 2) __cold
5264f2f7	119	int printk(const char *fmt, ...);
968ab183	120
3ccf3e83 PZ	121	/*
	122	* Special printk facility for scheduler use only, _DO_NOT_USE_ !
	123	*/
	124	__printf(1, 2) __cold int printk_sched(const char *fmt, ...);
	125
968ab183 LT	126	/*
	127	* Please don't use printk_ratelimit(), because it shares ratelimiting state
	128	* with all other unrelated printk_ratelimit() callsites. Instead use
	129	* printk_ratelimited() or plain old __ratelimit().
	130	*/
	131	extern int __printk_ratelimit(const char *func);
	132	#define printk_ratelimit() __printk_ratelimit(__func__)
	133	extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
	134	unsigned int interval_msec);
	135
	136	extern int printk_delay_msec;
	137	extern int dmesg_restrict;
455cd5ab	138	extern int kptr_restrict;
968ab183	139
968ab183	140	void log_buf_kexec_setup(void);
162a7e75	141	void __init setup_log_buf(int early);
968ab183	142	#else
b9075fa9	143	static inline __printf(1, 0)
5264f2f7 JP	144	int vprintk(const char *s, va_list args)
	145	{
	146	return 0;
	147	}
b9075fa9	148	static inline __printf(1, 2) __cold
5264f2f7 JP	149	int printk(const char *s, ...)
	150	{
	151	return 0;
	152	}
3ccf3e83 PZ	153	static inline __printf(1, 2) __cold
	154	int printk_sched(const char *s, ...)
	155	{
	156	return 0;
	157	}
5264f2f7 JP	158	static inline int printk_ratelimit(void)
	159	{
	160	return 0;
	161	}
	162	static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies,
	163	unsigned int interval_msec)
	164	{
	165	return false;
	166	}
968ab183	167
968ab183 LT	168	static inline void log_buf_kexec_setup(void)
	169	{
	170	}
162a7e75 MT	171
	172	static inline void setup_log_buf(int early)
	173	{
	174	}
968ab183 LT	175	#endif
968ab183 LT	176
968ab183 LT	177	extern void dump_stack(void) __cold;
968ab183 LT	178
968ab183 LT	179	#ifndef pr_fmt
	180	#define pr_fmt(fmt) fmt
	181	#endif
	182
	183	#define pr_emerg(fmt, ...) \
a3f938bf	184	printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
968ab183	185	#define pr_alert(fmt, ...) \
a3f938bf	186	printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
968ab183	187	#define pr_crit(fmt, ...) \
a3f938bf	188	printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
968ab183	189	#define pr_err(fmt, ...) \
a3f938bf	190	printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
968ab183	191	#define pr_warning(fmt, ...) \
a3f938bf	192	printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	193	#define pr_warn pr_warning
968ab183 LT	194	#define pr_notice(fmt, ...) \
a3f938bf	195	printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
968ab183	196	#define pr_info(fmt, ...) \
a3f938bf	197	printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	198	#define pr_cont(fmt, ...) \
	199	printk(KERN_CONT fmt, ##__VA_ARGS__)
	200
	201	/* pr_devel() should produce zero code unless DEBUG is defined */
	202	#ifdef DEBUG
	203	#define pr_devel(fmt, ...) \
	204	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	205	#else
	206	#define pr_devel(fmt, ...) \
5264f2f7	207	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	208	#endif
	209
	210	/* If you are writing a driver, please use dev_dbg instead */
b558c96f	211	#if defined(CONFIG_DYNAMIC_DEBUG)
968ab183 LT	212	/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */
	213	#define pr_debug(fmt, ...) \
	214	dynamic_pr_debug(fmt, ##__VA_ARGS__)
b558c96f JC	215	#elif defined(DEBUG)
	216	#define pr_debug(fmt, ...) \
	217	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	218	#else
968ab183 LT	219	#define pr_debug(fmt, ...) \
5264f2f7	220	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	221	#endif
968ab183 LT	222
16cb839f JP	223	/*
	224	* Print a one-time message (analogous to WARN_ONCE() et al):
	225	*/
	226
	227	#ifdef CONFIG_PRINTK
	228	#define printk_once(fmt, ...) \
	229	({ \
	230	static bool __print_once; \
	231	\
	232	if (!__print_once) { \
	233	__print_once = true; \
	234	printk(fmt, ##__VA_ARGS__); \
	235	} \
	236	})
	237	#else
	238	#define printk_once(fmt, ...) \
	239	no_printk(fmt, ##__VA_ARGS__)
	240	#endif
	241
	242	#define pr_emerg_once(fmt, ...) \
	243	printk_once(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
	244	#define pr_alert_once(fmt, ...) \
	245	printk_once(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
	246	#define pr_crit_once(fmt, ...) \
	247	printk_once(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
	248	#define pr_err_once(fmt, ...) \
	249	printk_once(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
	250	#define pr_warn_once(fmt, ...) \
	251	printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
	252	#define pr_notice_once(fmt, ...) \
	253	printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
	254	#define pr_info_once(fmt, ...) \
	255	printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
	256	#define pr_cont_once(fmt, ...) \
	257	printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
	258	/* If you are writing a driver, please use dev_dbg instead */
	259	#if defined(DEBUG)
	260	#define pr_debug_once(fmt, ...) \
	261	printk_once(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	262	#else
	263	#define pr_debug_once(fmt, ...) \
	264	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	265	#endif
	266
968ab183 LT	267	/*
	268	* ratelimited messages with local ratelimit_state,
	269	* no local ratelimit_state used in the !PRINTK case
	270	*/
	271	#ifdef CONFIG_PRINTK
6ec42a56 JP	272	#define printk_ratelimited(fmt, ...) \
6ec42a56 JP	273	({ \
968ab183 LT	274	static DEFINE_RATELIMIT_STATE(_rs, \
	275	DEFAULT_RATELIMIT_INTERVAL, \
	276	DEFAULT_RATELIMIT_BURST); \
	277	\
	278	if (__ratelimit(&_rs)) \
	279	printk(fmt, ##__VA_ARGS__); \
	280	})
	281	#else
6ec42a56 JP	282	#define printk_ratelimited(fmt, ...) \
6ec42a56 JP	283	no_printk(fmt, ##__VA_ARGS__)
968ab183 LT	284	#endif
968ab183 LT	285
6ec42a56	286	#define pr_emerg_ratelimited(fmt, ...) \
968ab183	287	printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	288	#define pr_alert_ratelimited(fmt, ...) \
968ab183	289	printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	290	#define pr_crit_ratelimited(fmt, ...) \
968ab183	291	printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	292	#define pr_err_ratelimited(fmt, ...) \
968ab183	293	printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	294	#define pr_warn_ratelimited(fmt, ...) \
968ab183	295	printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	296	#define pr_notice_ratelimited(fmt, ...) \
968ab183	297	printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	298	#define pr_info_ratelimited(fmt, ...) \
968ab183 LT	299	printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
	300	/* no pr_cont_ratelimited, don't do that... */
	301	/* If you are writing a driver, please use dev_dbg instead */
	302	#if defined(DEBUG)
6ec42a56	303	#define pr_debug_ratelimited(fmt, ...) \
968ab183 LT	304	printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	305	#else
	306	#define pr_debug_ratelimited(fmt, ...) \
5264f2f7	307	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	308	#endif
968ab183 LT	309
e11fea92 KS	310	extern const struct file_operations kmsg_fops;
e11fea92 KS	311
ac83ed68 JP	312	enum {
	313	DUMP_PREFIX_NONE,
	314	DUMP_PREFIX_ADDRESS,
	315	DUMP_PREFIX_OFFSET
	316	};
	317	extern void hex_dump_to_buffer(const void *buf, size_t len,
	318	int rowsize, int groupsize,
	319	char *linebuf, size_t linebuflen, bool ascii);
	320	#ifdef CONFIG_PRINTK
	321	extern void print_hex_dump(const char level, const char prefix_str,
	322	int prefix_type, int rowsize, int groupsize,
	323	const void *buf, size_t len, bool ascii);
	324	extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
	325	const void *buf, size_t len);
	326	#else
	327	static inline void print_hex_dump(const char level, const char prefix_str,
	328	int prefix_type, int rowsize, int groupsize,
	329	const void *buf, size_t len, bool ascii)
	330	{
	331	}
	332	static inline void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
	333	const void *buf, size_t len)
	334	{
	335	}
	336
	337	#endif
	338
968ab183	339	#endif