RDMA/core: Introduce ratelimited ibdev printk functions

void ibdev_dbg(const struct ib_device *ibdev, const char *format, ...) {}

#endif

#define ibdev_level_ratelimited(ibdev_level, ibdev, fmt, ...)           \

do {                                                                    \

	static DEFINE_RATELIMIT_STATE(_rs,                              \

				      DEFAULT_RATELIMIT_INTERVAL,       \

				      DEFAULT_RATELIMIT_BURST);         \

	if (__ratelimit(&_rs))                                          \

		ibdev_level(ibdev, fmt, ##__VA_ARGS__);                 \

} while (0)

#define ibdev_emerg_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_emerg, ibdev, fmt, ##__VA_ARGS__)

#define ibdev_alert_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_alert, ibdev, fmt, ##__VA_ARGS__)

#define ibdev_crit_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_crit, ibdev, fmt, ##__VA_ARGS__)

#define ibdev_err_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_err, ibdev, fmt, ##__VA_ARGS__)

#define ibdev_warn_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_warn, ibdev, fmt, ##__VA_ARGS__)

#define ibdev_notice_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_notice, ibdev, fmt, ##__VA_ARGS__)

#define ibdev_info_ratelimited(ibdev, fmt, ...) \

	ibdev_level_ratelimited(ibdev_info, ibdev, fmt, ##__VA_ARGS__)

#if defined(CONFIG_DYNAMIC_DEBUG)

/* descriptor check is first to prevent flooding with "callbacks suppressed" */

#define ibdev_dbg_ratelimited(ibdev, fmt, ...)                          \

do {                                                                    \

	static DEFINE_RATELIMIT_STATE(_rs,                              \

				      DEFAULT_RATELIMIT_INTERVAL,       \

				      DEFAULT_RATELIMIT_BURST);         \

	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \

	if (DYNAMIC_DEBUG_BRANCH(descriptor) && __ratelimit(&_rs))      \

		__dynamic_ibdev_dbg(&descriptor, ibdev, fmt,            \

				    ##__VA_ARGS__);                     \

} while (0)

#else

__printf(2, 3) __cold

static inline

void ibdev_dbg_ratelimited(const struct ib_device *ibdev, const char *format, ...) {}

#endif

union ib_gid {

	u8	raw[16];

	struct {