diff options
| -rw-r--r-- | drivers/infiniband/core/device.c | 60 | ||||
| -rw-r--r-- | include/linux/dynamic_debug.h | 11 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 30 | ||||
| -rw-r--r-- | lib/dynamic_debug.c | 37 |
4 files changed, 138 insertions, 0 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index fcbf2d4c865d..76088655f06e 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -197,6 +197,66 @@ static int ib_security_change(struct notifier_block *nb, unsigned long event, static void ib_policy_change_task(struct work_struct *work); static DECLARE_WORK(ib_policy_change_work, ib_policy_change_task); +static void __ibdev_printk(const char *level, const struct ib_device *ibdev, + struct va_format *vaf) +{ + if (ibdev && ibdev->dev.parent) + dev_printk_emit(level[1] - '0', + ibdev->dev.parent, + "%s %s %s: %pV", + dev_driver_string(ibdev->dev.parent), + dev_name(ibdev->dev.parent), + dev_name(&ibdev->dev), + vaf); + else if (ibdev) + printk("%s%s: %pV", + level, dev_name(&ibdev->dev), vaf); + else + printk("%s(NULL ib_device): %pV", level, vaf); +} + +void ibdev_printk(const char *level, const struct ib_device *ibdev, + const char *format, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, format); + + vaf.fmt = format; + vaf.va = &args; + + __ibdev_printk(level, ibdev, &vaf); + + va_end(args); +} +EXPORT_SYMBOL(ibdev_printk); + +#define define_ibdev_printk_level(func, level) \ +void func(const struct ib_device *ibdev, const char *fmt, ...) \ +{ \ + struct va_format vaf; \ + va_list args; \ + \ + va_start(args, fmt); \ + \ + vaf.fmt = fmt; \ + vaf.va = &args; \ + \ + __ibdev_printk(level, ibdev, &vaf); \ + \ + va_end(args); \ +} \ +EXPORT_SYMBOL(func); + +define_ibdev_printk_level(ibdev_emerg, KERN_EMERG); +define_ibdev_printk_level(ibdev_alert, KERN_ALERT); +define_ibdev_printk_level(ibdev_crit, KERN_CRIT); +define_ibdev_printk_level(ibdev_err, KERN_ERR); +define_ibdev_printk_level(ibdev_warn, KERN_WARNING); +define_ibdev_printk_level(ibdev_notice, KERN_NOTICE); +define_ibdev_printk_level(ibdev_info, KERN_INFO); + static struct notifier_block ibdev_lsm_nb = { .notifier_call = ib_security_change, }; diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index c2be029b9b53..6c809440f319 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -71,6 +71,13 @@ void __dynamic_netdev_dbg(struct _ddebug *descriptor, const struct net_device *dev, const char *fmt, ...); +struct ib_device; + +extern __printf(3, 4) +void __dynamic_ibdev_dbg(struct _ddebug *descriptor, + const struct ib_device *ibdev, + const char *fmt, ...); + #define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \ static struct _ddebug __aligned(8) \ __attribute__((section("__verbose"))) name = { \ @@ -154,6 +161,10 @@ void __dynamic_netdev_dbg(struct _ddebug *descriptor, _dynamic_func_call(fmt, __dynamic_netdev_dbg, \ dev, fmt, ##__VA_ARGS__) +#define dynamic_ibdev_dbg(dev, fmt, ...) \ + _dynamic_func_call(fmt, __dynamic_ibdev_dbg, \ + dev, fmt, ##__VA_ARGS__) + #define dynamic_hex_dump(prefix_str, prefix_type, rowsize, \ groupsize, buf, len, ascii) \ _dynamic_func_call_no_desc(__builtin_constant_p(prefix_str) ? prefix_str : "hexdump", \ diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 737ef5ed3930..de8724e5a727 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -74,6 +74,36 @@ extern struct workqueue_struct *ib_wq; extern struct workqueue_struct *ib_comp_wq; extern struct workqueue_struct *ib_comp_unbound_wq; +__printf(3, 4) __cold +void ibdev_printk(const char *level, const struct ib_device *ibdev, + const char *format, ...); +__printf(2, 3) __cold +void ibdev_emerg(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_alert(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_crit(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_err(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_warn(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_notice(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_info(const struct ib_device *ibdev, const char *format, ...); + +#if defined(CONFIG_DYNAMIC_DEBUG) +#define ibdev_dbg(__dev, format, args...) \ + dynamic_ibdev_dbg(__dev, format, ##args) +#elif defined(DEBUG) +#define ibdev_dbg(__dev, format, args...) \ + ibdev_printk(KERN_DEBUG, __dev, format, ##args) +#else +__printf(2, 3) __cold +static inline +void ibdev_dbg(const struct ib_device *ibdev, const char *format, ...) {} +#endif + union ib_gid { u8 raw[16]; struct { diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 7bdf98c37e91..8a16c2d498e9 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -37,6 +37,8 @@ #include <linux/device.h> #include <linux/netdevice.h> +#include <rdma/ib_verbs.h> + extern struct _ddebug __start___verbose[]; extern struct _ddebug __stop___verbose[]; @@ -636,6 +638,41 @@ EXPORT_SYMBOL(__dynamic_netdev_dbg); #endif +#if IS_ENABLED(CONFIG_INFINIBAND) + +void __dynamic_ibdev_dbg(struct _ddebug *descriptor, + const struct ib_device *ibdev, const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; + + if (ibdev && ibdev->dev.parent) { + char buf[PREFIX_SIZE]; + + dev_printk_emit(LOGLEVEL_DEBUG, ibdev->dev.parent, + "%s%s %s %s: %pV", + dynamic_emit_prefix(descriptor, buf), + dev_driver_string(ibdev->dev.parent), + dev_name(ibdev->dev.parent), + dev_name(&ibdev->dev), + &vaf); + } else if (ibdev) { + printk(KERN_DEBUG "%s: %pV", dev_name(&ibdev->dev), &vaf); + } else { + printk(KERN_DEBUG "(NULL ib_device): %pV", &vaf); + } + + va_end(args); +} +EXPORT_SYMBOL(__dynamic_ibdev_dbg); + +#endif + #define DDEBUG_STRING_SIZE 1024 static __initdata char ddebug_setup_string[DDEBUG_STRING_SIZE]; |