4 * Copyright 2017 6WIND S.A.
5 * Copyright 2017 Mellanox
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41 #include <rte_common.h>
49 * When debugging is enabled (NDEBUG not defined), file, line and function
50 * information replace the driver name (MLX4_DRIVER_NAME) in log messages.
53 /** Return the file name part of a path. */
54 static inline const char *
55 pmd_drv_log_basename(const char *s)
65 #define PMD_DRV_LOG(level, ...) \
67 RTE_FMT("%s:%u: %s(): " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
68 pmd_drv_log_basename(__FILE__), \
71 RTE_FMT_TAIL(__VA_ARGS__,)))
72 #define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
73 #ifndef MLX4_PMD_DEBUG_BROKEN_VERBS
74 #define claim_zero(...) assert((__VA_ARGS__) == 0)
75 #else /* MLX4_PMD_DEBUG_BROKEN_VERBS */
76 #define claim_zero(...) \
77 (void)(((__VA_ARGS__) == 0) || \
78 DEBUG("Assertion `(" # __VA_ARGS__ ") == 0' failed (IGNORED)."))
79 #endif /* MLX4_PMD_DEBUG_BROKEN_VERBS */
84 * Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform
85 * any check when debugging is disabled.
88 #define PMD_DRV_LOG(level, ...) \
90 RTE_FMT(MLX4_DRIVER_NAME ": " \
91 RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
92 RTE_FMT_TAIL(__VA_ARGS__,)))
93 #define DEBUG(...) (void)0
94 #define claim_zero(...) (__VA_ARGS__)
98 #define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__)
99 #define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__)
100 #define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__)
102 /** Allocate a buffer on the stack and fill it with a printf format string. */
103 #define MKSTR(name, ...) \
104 char name[snprintf(NULL, 0, __VA_ARGS__) + 1]; \
106 snprintf(name, sizeof(name), __VA_ARGS__)
108 /** Generate a string out of the provided arguments. */
109 #define MLX4_STR(...) # __VA_ARGS__
111 /** Similar to MLX4_STR() with enclosed macros expanded first. */
112 #define MLX4_STR_EXPAND(...) MLX4_STR(__VA_ARGS__)
114 /** Object description used with mlx4_mallocv() and similar functions. */
115 struct mlx4_malloc_vec {
116 size_t align; /**< Alignment constraint (power of 2), 0 if unknown. */
117 size_t size; /**< Object size. */
118 void **addr; /**< Storage for allocation address. */
123 int mlx4_fd_set_non_blocking(int fd);
124 size_t mlx4_mallocv(const char *type, const struct mlx4_malloc_vec *vec,
126 size_t mlx4_zmallocv(const char *type, const struct mlx4_malloc_vec *vec,
128 size_t mlx4_mallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
129 unsigned int cnt, int socket);
130 size_t mlx4_zmallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
131 unsigned int cnt, int socket);
133 #endif /* MLX4_UTILS_H_ */