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

#ifndef __KERNEL_PRINTK__
#define __KERNEL_PRINTK__

#include <linux/init.h>

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

#define KERN_EMERG	"<0>"	/* system is unusable			*/
#define KERN_ALERT	"<1>"	/* action must be taken immediately	*/
#define KERN_CRIT	"<2>"	/* critical conditions			*/
#define KERN_ERR	"<3>"	/* error conditions			*/
#define KERN_WARNING	"<4>"	/* warning conditions			*/
#define KERN_NOTICE	"<5>"	/* normal but significant condition	*/
#define KERN_INFO	"<6>"	/* informational			*/
#define KERN_DEBUG	"<7>"	/* debug-level messages			*/

/* Use the default kernel loglevel */
#define KERN_DEFAULT	"<d>"
/*
 * Annotation for a "continued" line of log printout (only done after a
 * line that had no enclosing \n). Only to be used by core/arch code
 * during early bootup (a continued line is not SMP-safe otherwise).
 */
#define KERN_CONT	"<c>"

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 MT	4	#include <linux/init.h>
162a7e75 MT	5
968ab183 LT	6	extern const char linux_banner[];
	7	extern const char linux_proc_banner[];
	8
7d1e91ae JP	9	#define KERN_EMERG "<0>" /* system is unusable */
	10	#define KERN_ALERT "<1>" /* action must be taken immediately */
	11	#define KERN_CRIT "<2>" /* critical conditions */
	12	#define KERN_ERR "<3>" /* error conditions */
	13	#define KERN_WARNING "<4>" /* warning conditions */
	14	#define KERN_NOTICE "<5>" /* normal but significant condition */
	15	#define KERN_INFO "<6>" /* informational */
	16	#define KERN_DEBUG "<7>" /* debug-level messages */
968ab183 LT	17
	18	/* Use the default kernel loglevel */
	19	#define KERN_DEFAULT "<d>"
	20	/*
	21	* Annotation for a "continued" line of log printout (only done after a
	22	* line that had no enclosing \n). Only to be used by core/arch code
	23	* during early bootup (a continued line is not SMP-safe otherwise).
	24	*/
7d1e91ae	25	#define KERN_CONT "<c>"
968ab183 LT	26
	27	extern int console_printk[];
	28
	29	#define console_loglevel (console_printk[0])
	30	#define default_message_loglevel (console_printk[1])
	31	#define minimum_console_loglevel (console_printk[2])
	32	#define default_console_loglevel (console_printk[3])
	33
a9747cc3 JP	34	static inline void console_silent(void)
	35	{
	36	console_loglevel = 0;
	37	}
	38
	39	static inline void console_verbose(void)
	40	{
	41	if (console_loglevel)
	42	console_loglevel = 15;
	43	}
	44
968ab183 LT	45	struct va_format {
	46	const char *fmt;
	47	va_list *va;
	48	};
	49
	50	/*
	51	* FW_BUG
	52	* Add this to a message where you are sure the firmware is buggy or behaves
	53	* really stupid or out of spec. Be aware that the responsible BIOS developer
	54	* should be able to fix this issue or at least get a concrete idea of the
	55	* problem by reading your message without the need of looking at the kernel
	56	* code.
	57	*
	58	* Use it for definite and high priority BIOS bugs.
	59	*
	60	* FW_WARN
	61	* Use it for not that clear (e.g. could the kernel messed up things already?)
	62	* and medium priority BIOS bugs.
	63	*
	64	* FW_INFO
	65	* Use this one if you want to tell the user or vendor about something
	66	* suspicious, but generally harmless related to the firmware.
	67	*
	68	* Use it for information or very low priority BIOS bugs.
	69	*/
	70	#define FW_BUG "[Firmware Bug]: "
	71	#define FW_WARN "[Firmware Warn]: "
	72	#define FW_INFO "[Firmware Info]: "
	73
	74	/*
	75	* HW_ERR
	76	* Add this to a message for hardware errors, so that user can report
	77	* it to hardware vendor instead of LKML or software vendor.
	78	*/
	79	#define HW_ERR "[Hardware Error]: "
	80
5264f2f7 JP	81	/*
	82	* Dummy printk for disabled debugging statements to use whilst maintaining
	83	* gcc's format and side-effect checking.
	84	*/
b9075fa9	85	static inline __printf(1, 2)
5264f2f7 JP	86	int no_printk(const char *fmt, ...)
	87	{
	88	return 0;
	89	}
	90
b9075fa9	91	extern asmlinkage __printf(1, 2)
5264f2f7 JP	92	void early_printk(const char *fmt, ...);
	93
	94	extern int printk_needs_cpu(int cpu);
	95	extern void printk_tick(void);
	96
968ab183	97	#ifdef CONFIG_PRINTK
7ff9554b KS	98	asmlinkage __printf(5, 0)
	99	int vprintk_emit(int facility, int level,
	100	const char *dict, size_t dictlen,
	101	const char *fmt, va_list args);
	102
b9075fa9	103	asmlinkage __printf(1, 0)
5264f2f7	104	int vprintk(const char *fmt, va_list args);
7ff9554b KS	105
	106	asmlinkage __printf(5, 6) __cold
	107	asmlinkage int printk_emit(int facility, int level,
	108	const char *dict, size_t dictlen,
	109	const char *fmt, ...);
	110
b9075fa9	111	asmlinkage __printf(1, 2) __cold
5264f2f7	112	int printk(const char *fmt, ...);
968ab183	113
3ccf3e83 PZ	114	/*
	115	* Special printk facility for scheduler use only, _DO_NOT_USE_ !
	116	*/
	117	__printf(1, 2) __cold int printk_sched(const char *fmt, ...);
	118
968ab183 LT	119	/*
	120	* Please don't use printk_ratelimit(), because it shares ratelimiting state
	121	* with all other unrelated printk_ratelimit() callsites. Instead use
	122	* printk_ratelimited() or plain old __ratelimit().
	123	*/
	124	extern int __printk_ratelimit(const char *func);
	125	#define printk_ratelimit() __printk_ratelimit(__func__)
	126	extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
	127	unsigned int interval_msec);
	128
	129	extern int printk_delay_msec;
	130	extern int dmesg_restrict;
455cd5ab	131	extern int kptr_restrict;
968ab183	132
968ab183	133	void log_buf_kexec_setup(void);
162a7e75	134	void __init setup_log_buf(int early);
968ab183	135	#else
b9075fa9	136	static inline __printf(1, 0)
5264f2f7 JP	137	int vprintk(const char *s, va_list args)
	138	{
	139	return 0;
	140	}
b9075fa9	141	static inline __printf(1, 2) __cold
5264f2f7 JP	142	int printk(const char *s, ...)
	143	{
	144	return 0;
	145	}
3ccf3e83 PZ	146	static inline __printf(1, 2) __cold
	147	int printk_sched(const char *s, ...)
	148	{
	149	return 0;
	150	}
5264f2f7 JP	151	static inline int printk_ratelimit(void)
	152	{
	153	return 0;
	154	}
	155	static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies,
	156	unsigned int interval_msec)
	157	{
	158	return false;
	159	}
968ab183	160
968ab183 LT	161	static inline void log_buf_kexec_setup(void)
	162	{
	163	}
162a7e75 MT	164
	165	static inline void setup_log_buf(int early)
	166	{
	167	}
968ab183 LT	168	#endif
968ab183 LT	169
968ab183 LT	170	extern void dump_stack(void) __cold;
968ab183 LT	171
968ab183 LT	172	#ifndef pr_fmt
	173	#define pr_fmt(fmt) fmt
	174	#endif
	175
	176	#define pr_emerg(fmt, ...) \
a3f938bf	177	printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
968ab183	178	#define pr_alert(fmt, ...) \
a3f938bf	179	printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
968ab183	180	#define pr_crit(fmt, ...) \
a3f938bf	181	printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
968ab183	182	#define pr_err(fmt, ...) \
a3f938bf	183	printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
968ab183	184	#define pr_warning(fmt, ...) \
a3f938bf	185	printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	186	#define pr_warn pr_warning
968ab183 LT	187	#define pr_notice(fmt, ...) \
a3f938bf	188	printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
968ab183	189	#define pr_info(fmt, ...) \
a3f938bf	190	printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	191	#define pr_cont(fmt, ...) \
	192	printk(KERN_CONT fmt, ##__VA_ARGS__)
	193
	194	/* pr_devel() should produce zero code unless DEBUG is defined */
	195	#ifdef DEBUG
	196	#define pr_devel(fmt, ...) \
	197	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	198	#else
	199	#define pr_devel(fmt, ...) \
5264f2f7	200	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	201	#endif
	202
	203	/* If you are writing a driver, please use dev_dbg instead */
b558c96f	204	#if defined(CONFIG_DYNAMIC_DEBUG)
968ab183 LT	205	/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */
	206	#define pr_debug(fmt, ...) \
	207	dynamic_pr_debug(fmt, ##__VA_ARGS__)
b558c96f JC	208	#elif defined(DEBUG)
	209	#define pr_debug(fmt, ...) \
	210	printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	211	#else
968ab183 LT	212	#define pr_debug(fmt, ...) \
5264f2f7	213	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	214	#endif
968ab183 LT	215
16cb839f JP	216	/*
	217	* Print a one-time message (analogous to WARN_ONCE() et al):
	218	*/
	219
	220	#ifdef CONFIG_PRINTK
	221	#define printk_once(fmt, ...) \
	222	({ \
	223	static bool __print_once; \
	224	\
	225	if (!__print_once) { \
	226	__print_once = true; \
	227	printk(fmt, ##__VA_ARGS__); \
	228	} \
	229	})
	230	#else
	231	#define printk_once(fmt, ...) \
	232	no_printk(fmt, ##__VA_ARGS__)
	233	#endif
	234
	235	#define pr_emerg_once(fmt, ...) \
	236	printk_once(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
	237	#define pr_alert_once(fmt, ...) \
	238	printk_once(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
	239	#define pr_crit_once(fmt, ...) \
	240	printk_once(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
	241	#define pr_err_once(fmt, ...) \
	242	printk_once(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
	243	#define pr_warn_once(fmt, ...) \
	244	printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
	245	#define pr_notice_once(fmt, ...) \
	246	printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
	247	#define pr_info_once(fmt, ...) \
	248	printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
	249	#define pr_cont_once(fmt, ...) \
	250	printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
	251	/* If you are writing a driver, please use dev_dbg instead */
	252	#if defined(DEBUG)
	253	#define pr_debug_once(fmt, ...) \
	254	printk_once(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	255	#else
	256	#define pr_debug_once(fmt, ...) \
	257	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	258	#endif
	259
968ab183 LT	260	/*
	261	* ratelimited messages with local ratelimit_state,
	262	* no local ratelimit_state used in the !PRINTK case
	263	*/
	264	#ifdef CONFIG_PRINTK
6ec42a56 JP	265	#define printk_ratelimited(fmt, ...) \
6ec42a56 JP	266	({ \
968ab183 LT	267	static DEFINE_RATELIMIT_STATE(_rs, \
	268	DEFAULT_RATELIMIT_INTERVAL, \
	269	DEFAULT_RATELIMIT_BURST); \
	270	\
	271	if (__ratelimit(&_rs)) \
	272	printk(fmt, ##__VA_ARGS__); \
	273	})
	274	#else
6ec42a56 JP	275	#define printk_ratelimited(fmt, ...) \
6ec42a56 JP	276	no_printk(fmt, ##__VA_ARGS__)
968ab183 LT	277	#endif
968ab183 LT	278
6ec42a56	279	#define pr_emerg_ratelimited(fmt, ...) \
968ab183	280	printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	281	#define pr_alert_ratelimited(fmt, ...) \
968ab183	282	printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	283	#define pr_crit_ratelimited(fmt, ...) \
968ab183	284	printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	285	#define pr_err_ratelimited(fmt, ...) \
968ab183	286	printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	287	#define pr_warn_ratelimited(fmt, ...) \
968ab183	288	printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	289	#define pr_notice_ratelimited(fmt, ...) \
968ab183	290	printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
6ec42a56	291	#define pr_info_ratelimited(fmt, ...) \
968ab183 LT	292	printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
	293	/* no pr_cont_ratelimited, don't do that... */
	294	/* If you are writing a driver, please use dev_dbg instead */
	295	#if defined(DEBUG)
6ec42a56	296	#define pr_debug_ratelimited(fmt, ...) \
968ab183 LT	297	printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
	298	#else
	299	#define pr_debug_ratelimited(fmt, ...) \
5264f2f7	300	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
968ab183 LT	301	#endif
968ab183 LT	302
e11fea92 KS	303	extern const struct file_operations kmsg_fops;
e11fea92 KS	304
ac83ed68 JP	305	enum {
	306	DUMP_PREFIX_NONE,
	307	DUMP_PREFIX_ADDRESS,
	308	DUMP_PREFIX_OFFSET
	309	};
	310	extern void hex_dump_to_buffer(const void *buf, size_t len,
	311	int rowsize, int groupsize,
	312	char *linebuf, size_t linebuflen, bool ascii);
	313	#ifdef CONFIG_PRINTK
	314	extern void print_hex_dump(const char level, const char prefix_str,
	315	int prefix_type, int rowsize, int groupsize,
	316	const void *buf, size_t len, bool ascii);
	317	extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
	318	const void *buf, size_t len);
	319	#else
	320	static inline void print_hex_dump(const char level, const char prefix_str,
	321	int prefix_type, int rowsize, int groupsize,
	322	const void *buf, size_t len, bool ascii)
	323	{
	324	}
	325	static inline void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
	326	const void *buf, size_t len)
	327	{
	328	}
	329
	330	#endif
	331
968ab183	332	#endif