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| author |   Gal Pressman <galpress@amazon.com> | 2019-08-01 20:14:46 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2019-08-05 12:19:55 -0400 |
| commit | 05bb411ada9508b48044ef5d84dd8bc46cece607 (patch) | |
| tree | c21e8a7525a71779bb62f0f3c0875151f880c990 | |
| parent | RDMA/hns: Remove not used UAR assignment (diff) | |
| download | linux-dev-05bb411ada9508b48044ef5d84dd8bc46cece607.tar.xz linux-dev-05bb411ada9508b48044ef5d84dd8bc46cece607.zip | |
RDMA/core: Introduce ratelimited ibdev printk functions
Add ratelimited helpers to the ibdev_* printk functions.
Implementation inspired by counterpart dev_*_ratelimited functions.
Signed-off-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20190801171447.54440-2-galpress@amazon.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | include/rdma/ib_verbs.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 2a1523ccd7ab..0ecda7d15df2 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -107,6 +107,48 @@ static inline 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 { |