4 * Copyright 2017 6WIND S.A.
5 * Copyright 2017 Mellanox
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8 * modification, are permitted provided that the following conditions
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15 * the documentation and/or other materials provided with the
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 #include <rte_common.h>
48 * When debugging is enabled (NDEBUG not defined), file, line and function
49 * information replace the driver name (MLX4_DRIVER_NAME) in log messages.
52 /* Return the file name part of a path. */
53 static inline const char *
54 pmd_drv_log_basename(const char *s)
64 #define PMD_DRV_LOG(level, ...) \
66 RTE_FMT("%s:%u: %s(): " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
67 pmd_drv_log_basename(__FILE__), \
70 RTE_FMT_TAIL(__VA_ARGS__,)))
71 #define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
72 #ifndef MLX4_PMD_DEBUG_BROKEN_VERBS
73 #define claim_zero(...) assert((__VA_ARGS__) == 0)
74 #else /* MLX4_PMD_DEBUG_BROKEN_VERBS */
75 #define claim_zero(...) \
76 (void)(((__VA_ARGS__) == 0) || \
77 DEBUG("Assertion `(" # __VA_ARGS__ ") == 0' failed (IGNORED)."))
78 #endif /* MLX4_PMD_DEBUG_BROKEN_VERBS */
83 * Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform
84 * any check when debugging is disabled.
87 #define PMD_DRV_LOG(level, ...) \
89 RTE_FMT(MLX4_DRIVER_NAME ": " \
90 RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
91 RTE_FMT_TAIL(__VA_ARGS__,)))
92 #define DEBUG(...) (void)0
93 #define claim_zero(...) (__VA_ARGS__)
97 #define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__)
98 #define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__)
99 #define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__)
101 /* Allocate a buffer on the stack and fill it with a printf format string. */
102 #define MKSTR(name, ...) \
103 char name[snprintf(NULL, 0, __VA_ARGS__) + 1]; \
105 snprintf(name, sizeof(name), __VA_ARGS__)
109 int mlx4_fd_set_non_blocking(int fd);
111 #endif /* MLX4_UTILS_H_ */