From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- include/linux/ratelimit_types.h | 47 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 include/linux/ratelimit_types.h (limited to 'include/linux/ratelimit_types.h') diff --git a/include/linux/ratelimit_types.h b/include/linux/ratelimit_types.h new file mode 100644 index 000000000..002266693 --- /dev/null +++ b/include/linux/ratelimit_types.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_RATELIMIT_TYPES_H +#define _LINUX_RATELIMIT_TYPES_H + +#include +#include +#include + +#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ) +#define DEFAULT_RATELIMIT_BURST 10 + +/* issue num suppressed message on exit */ +#define RATELIMIT_MSG_ON_RELEASE BIT(0) + +struct ratelimit_state { + raw_spinlock_t lock; /* protect the state */ + + int interval; + int burst; + int printed; + int missed; + unsigned long begin; + unsigned long flags; +}; + +#define RATELIMIT_STATE_INIT_FLAGS(name, interval_init, burst_init, flags_init) { \ + .lock = __RAW_SPIN_LOCK_UNLOCKED(name.lock), \ + .interval = interval_init, \ + .burst = burst_init, \ + .flags = flags_init, \ + } + +#define RATELIMIT_STATE_INIT(name, interval_init, burst_init) \ + RATELIMIT_STATE_INIT_FLAGS(name, interval_init, burst_init, 0) + +#define RATELIMIT_STATE_INIT_DISABLED \ + RATELIMIT_STATE_INIT(ratelimit_state, 0, DEFAULT_RATELIMIT_BURST) + +#define DEFINE_RATELIMIT_STATE(name, interval_init, burst_init) \ + \ + struct ratelimit_state name = \ + RATELIMIT_STATE_INIT(name, interval_init, burst_init) \ + +extern int ___ratelimit(struct ratelimit_state *rs, const char *func); +#define __ratelimit(state) ___ratelimit(state, __func__) + +#endif /* _LINUX_RATELIMIT_TYPES_H */ -- cgit v1.2.3