[mirror_ubuntu-artful-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] == '<' && buffer[1] && buffer[2] == '>') {
		switch (buffer[1]) {
		case '0' ... '7':
		case 'd':	/* KERN_DEFAULT */
		case 'c':	/* KERN_CONT */
			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 */
		case 'c':	/* KERN_CONT */
			return buffer + 3;
		}
	}
	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)
	11	{
	12	if (buffer[0] == '<' && buffer[1] && buffer[2] == '>') {
	13	switch (buffer[1]) {
	14	case '0' ... '7':
	15	case 'd': /* KERN_DEFAULT */
	16	case 'c': /* KERN_CONT */
	17	return buffer[1];
	18	}
	19	}
	20	return 0;
	21	}
	22
	23	static inline const char printk_skip_level(const char buffer)
	24	{
	25	if (printk_get_level(buffer)) {
	26	switch (buffer[1]) {
	27	case '0' ... '7':
	28	case 'd': /* KERN_DEFAULT */
	29	case 'c': /* KERN_CONT */
	30	return buffer + 3;
	31	}
	32	}
	33	return buffer;
	34	}
	35
968ab183 LT	36	extern int console_printk[];
	37
	38	#define console_loglevel (console_printk[0])
	39	#define default_message_loglevel (console_printk[1])
	40	#define minimum_console_loglevel (console_printk[2])
	41	#define default_console_loglevel (console_printk[3])
	42
a9747cc3 JP	43	static inline void console_silent(void)
	44	{
	45	console_loglevel = 0;
	46	}
	47
	48	static inline void console_verbose(void)
	49	{
	50	if (console_loglevel)
	51	console_loglevel = 15;
	52	}
	53
968ab183 LT	54	struct va_format {
	55	const char *fmt;
	56	va_list *va;
	57	};
	58
	59	/*
	60	* FW_BUG
	61	* Add this to a message where you are sure the firmware is buggy or behaves
	62	* really stupid or out of spec. Be aware that the responsible BIOS developer
	63	* should be able to fix this issue or at least get a concrete idea of the
	64	* problem by reading your message without the need of looking at the kernel
	65	* code.
	66	*
	67	* Use it for definite and high priority BIOS bugs.
	68	*
	69	* FW_WARN
	70	* Use it for not that clear (e.g. could the kernel messed up things already?)
	71	* and medium priority BIOS bugs.
	72	*
	73	* FW_INFO
	74	* Use this one if you want to tell the user or vendor about something
	75	* suspicious, but generally harmless related to the firmware.
	76	*
	77	* Use it for information or very low priority BIOS bugs.
	78	*/
	79	#define FW_BUG "[Firmware Bug]: "
	80	#define FW_WARN "[Firmware Warn]: "
	81	#define FW_INFO "[Firmware Info]: "
	82
	83	/*
	84	* HW_ERR
	85	* Add this to a message for hardware errors, so that user can report
	86	* it to hardware vendor instead of LKML or software vendor.
	87	*/
	88	#define HW_ERR "[Hardware Error]: "
	89
5264f2f7 JP	90	/*
	91	* Dummy printk for disabled debugging statements to use whilst maintaining
	92	* gcc's format and side-effect checking.
	93	*/
b9075fa9	94	static inline __printf(1, 2)
5264f2f7 JP	95	int no_printk(const char *fmt, ...)
	96	{
	97	return 0;
	98	}
	99
b9075fa9	100	extern asmlinkage __printf(1, 2)
5264f2f7 JP	101	void early_printk(const char *fmt, ...);
	102
	103	extern int printk_needs_cpu(int cpu);
	104	extern void printk_tick(void);
	105
968ab183	106	#ifdef CONFIG_PRINTK
7ff9554b KS	107	asmlinkage __printf(5, 0)
	108	int vprintk_emit(int facility, int level,
	109	const char *dict, size_t dictlen,
	110	const char *fmt, va_list args);
	111
b9075fa9	112	asmlinkage __printf(1, 0)
5264f2f7	113	int vprintk(const char *fmt, va_list args);
7ff9554b KS	114
	115	asmlinkage __printf(5, 6) __cold
	116	asmlinkage int printk_emit(int facility, int level,
	117	const char *dict, size_t dictlen,
	118	const char *fmt, ...);
	119
b9075fa9	120	asmlinkage __printf(1, 2) __cold
5264f2f7	121	int printk(const char *fmt, ...);
968ab183	122
3ccf3e83 PZ	123	/*
	124	* Special printk facility for scheduler use only, _DO_NOT_USE_ !
	125	*/
	126	__printf(1, 2) __cold int printk_sched(const char *fmt, ...);
	127
968ab183 LT	128	/*
	129	* Please don't use printk_ratelimit(), because it shares ratelimiting state
	130	* with all other unrelated printk_ratelimit() callsites. Instead use
	131	* printk_ratelimited() or plain old __ratelimit().
	132	*/
	133	extern int __printk_ratelimit(const char *func);
	134	#define printk_ratelimit() __printk_ratelimit(__func__)
	135	extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
	136	unsigned int interval_msec);
	137
	138	extern int printk_delay_msec;
	139	extern int dmesg_restrict;
455cd5ab	140	extern int kptr_restrict;
968ab183	141
968ab183	142	void log_buf_kexec_setup(void);
162a7e75	143	void __init setup_log_buf(int early);
968ab183	144	#else
b9075fa9	145	static inline __printf(1, 0)
5264f2f7 JP	146	int vprintk(const char *s, va_list args)
	147	{
	148	return 0;
	149	}
b9075fa9	150	static inline __printf(1, 2) __cold
5264f2f7 JP	151	int printk(const char *s, ...)
	152	{
	153	return 0;
	154	}
3ccf3e83 PZ	155	static inline __printf(1, 2) __cold
	156	int printk_sched(const char *s, ...)
	157	{
	158	return 0;
	159	}
5264f2f7 JP	160	static inline int printk_ratelimit(void)
	161	{
	162	return 0;
	163	}
	164	static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies,
	165	unsigned int interval_msec)
	166	{
	167	return false;
	168	}
968ab183	169
968ab183 LT	170	static inline void log_buf_kexec_setup(void)
	171	{
	172	}
162a7e75 MT	173
	174	static inline void setup_log_buf(int early)
	175	{
	176	}
968ab183 LT	177	#endif
968ab183 LT	178
968ab183 LT	179	extern void dump_stack(void) __cold;
968ab183 LT	180
968ab183 LT	181	#ifndef pr_fmt
	182	#define pr_fmt(fmt) fmt
	183	#endif
	184
	185	#define pr_emerg(fmt, ...) \
a3f938bf	186	printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
968ab183	187	#define pr_alert(fmt, ...) \
a3f938bf	188	printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
968ab183	189	#define pr_crit(fmt, ...) \
a3f938bf	190	printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
968ab183	191	#define pr_err(fmt, ...) \
a3f938bf	192	printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
968ab183	193	#define pr_warning(fmt, ...) \
a3f938bf	194	printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	195	#define pr_warn pr_warning
968ab183 LT	196	#define pr_notice(fmt, ...) \
a3f938bf	197	printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
968ab183	198	#define pr_info(fmt, ...) \
a3f938bf	199	printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	200	#define pr_cont(fmt, ...) \
	201	printk(KERN_CONT fmt, ##__VA_ARGS__)
	202
	203	/* pr_devel() should produce zero code unless DEBUG is defined */
	204	#ifdef DEBUG
	205	#define pr_devel(fmt, ...) \
	206	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	207	#else
	208	#define pr_devel(fmt, ...) \
5264f2f7	209	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	210	#endif
	211
	212	/* If you are writing a driver, please use dev_dbg instead */
b558c96f	213	#if defined(CONFIG_DYNAMIC_DEBUG)
968ab183 LT	214	/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */
	215	#define pr_debug(fmt, ...) \
	216	dynamic_pr_debug(fmt, ##__VA_ARGS__)
b558c96f JC	217	#elif defined(DEBUG)
	218	#define pr_debug(fmt, ...) \
	219	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	220	#else
968ab183 LT	221	#define pr_debug(fmt, ...) \
5264f2f7	222	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	223	#endif
968ab183 LT	224
16cb839f JP	225	/*
	226	* Print a one-time message (analogous to WARN_ONCE() et al):
	227	*/
	228
	229	#ifdef CONFIG_PRINTK
	230	#define printk_once(fmt, ...) \
	231	({ \
	232	static bool __print_once; \
	233	\
	234	if (!__print_once) { \
	235	__print_once = true; \
	236	printk(fmt, ##__VA_ARGS__); \
	237	} \
	238	})
	239	#else
	240	#define printk_once(fmt, ...) \
	241	no_printk(fmt, ##__VA_ARGS__)
	242	#endif
	243
	244	#define pr_emerg_once(fmt, ...) \
	245	printk_once(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
	246	#define pr_alert_once(fmt, ...) \
	247	printk_once(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
	248	#define pr_crit_once(fmt, ...) \
	249	printk_once(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
	250	#define pr_err_once(fmt, ...) \
	251	printk_once(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
	252	#define pr_warn_once(fmt, ...) \
	253	printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
	254	#define pr_notice_once(fmt, ...) \
	255	printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
	256	#define pr_info_once(fmt, ...) \
	257	printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
	258	#define pr_cont_once(fmt, ...) \
	259	printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
	260	/* If you are writing a driver, please use dev_dbg instead */
	261	#if defined(DEBUG)
	262	#define pr_debug_once(fmt, ...) \
	263	printk_once(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	264	#else
	265	#define pr_debug_once(fmt, ...) \
	266	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	267	#endif
	268
968ab183 LT	269	/*
	270	* ratelimited messages with local ratelimit_state,
	271	* no local ratelimit_state used in the !PRINTK case
	272	*/
	273	#ifdef CONFIG_PRINTK
6ec42a56 JP	274	#define printk_ratelimited(fmt, ...) \
6ec42a56 JP	275	({ \
968ab183 LT	276	static DEFINE_RATELIMIT_STATE(_rs, \
	277	DEFAULT_RATELIMIT_INTERVAL, \
	278	DEFAULT_RATELIMIT_BURST); \
	279	\
	280	if (__ratelimit(&_rs)) \
	281	printk(fmt, ##__VA_ARGS__); \
	282	})
	283	#else
6ec42a56 JP	284	#define printk_ratelimited(fmt, ...) \
6ec42a56 JP	285	no_printk(fmt, ##__VA_ARGS__)
968ab183 LT	286	#endif
968ab183 LT	287
6ec42a56	288	#define pr_emerg_ratelimited(fmt, ...) \
968ab183	289	printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	290	#define pr_alert_ratelimited(fmt, ...) \
968ab183	291	printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	292	#define pr_crit_ratelimited(fmt, ...) \
968ab183	293	printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	294	#define pr_err_ratelimited(fmt, ...) \
968ab183	295	printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	296	#define pr_warn_ratelimited(fmt, ...) \
968ab183	297	printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	298	#define pr_notice_ratelimited(fmt, ...) \
968ab183	299	printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	300	#define pr_info_ratelimited(fmt, ...) \
968ab183 LT	301	printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
	302	/* no pr_cont_ratelimited, don't do that... */
	303	/* If you are writing a driver, please use dev_dbg instead */
	304	#if defined(DEBUG)
6ec42a56	305	#define pr_debug_ratelimited(fmt, ...) \
968ab183 LT	306	printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	307	#else
	308	#define pr_debug_ratelimited(fmt, ...) \
5264f2f7	309	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	310	#endif
968ab183 LT	311
e11fea92 KS	312	extern const struct file_operations kmsg_fops;
e11fea92 KS	313
ac83ed68 JP	314	enum {
	315	DUMP_PREFIX_NONE,
	316	DUMP_PREFIX_ADDRESS,
	317	DUMP_PREFIX_OFFSET
	318	};
	319	extern void hex_dump_to_buffer(const void *buf, size_t len,
	320	int rowsize, int groupsize,
	321	char *linebuf, size_t linebuflen, bool ascii);
	322	#ifdef CONFIG_PRINTK
	323	extern void print_hex_dump(const char level, const char prefix_str,
	324	int prefix_type, int rowsize, int groupsize,
	325	const void *buf, size_t len, bool ascii);
	326	extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
	327	const void *buf, size_t len);
	328	#else
	329	static inline void print_hex_dump(const char level, const char prefix_str,
	330	int prefix_type, int rowsize, int groupsize,
	331	const void *buf, size_t len, bool ascii)
	332	{
	333	}
	334	static inline void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
	335	const void *buf, size_t len)
	336	{
	337	}
	338
	339	#endif
	340
968ab183	341	#endif