1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2017 6WIND S.A.
3 * Copyright 2017 Mellanox Technologies, Ltd
13 #include <rte_common.h>
21 * When debugging is enabled (NDEBUG not defined), file, line and function
22 * information replace the driver name (MLX4_DRIVER_NAME) in log messages.
25 /** Return the file name part of a path. */
26 static inline const char *
27 pmd_drv_log_basename(const char *s)
37 #define PMD_DRV_LOG(level, ...) \
39 RTE_FMT("%s:%u: %s(): " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
40 pmd_drv_log_basename(__FILE__), \
43 RTE_FMT_TAIL(__VA_ARGS__,)))
44 #define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
45 #define claim_zero(...) assert((__VA_ARGS__) == 0)
50 * Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform
51 * any check when debugging is disabled.
54 #define PMD_DRV_LOG(level, ...) \
56 RTE_FMT(MLX4_DRIVER_NAME ": " \
57 RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
58 RTE_FMT_TAIL(__VA_ARGS__,)))
59 #define DEBUG(...) (void)0
60 #define claim_zero(...) (__VA_ARGS__)
64 #define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__)
65 #define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__)
66 #define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__)
68 /** Allocate a buffer on the stack and fill it with a printf format string. */
69 #define MKSTR(name, ...) \
70 char name[snprintf(NULL, 0, __VA_ARGS__) + 1]; \
72 snprintf(name, sizeof(name), __VA_ARGS__)
74 /** Generate a string out of the provided arguments. */
75 #define MLX4_STR(...) # __VA_ARGS__
77 /** Similar to MLX4_STR() with enclosed macros expanded first. */
78 #define MLX4_STR_EXPAND(...) MLX4_STR(__VA_ARGS__)
80 /** Object description used with mlx4_mallocv() and similar functions. */
81 struct mlx4_malloc_vec {
82 size_t align; /**< Alignment constraint (power of 2), 0 if unknown. */
83 size_t size; /**< Object size. */
84 void **addr; /**< Storage for allocation address. */
89 int mlx4_fd_set_non_blocking(int fd);
90 size_t mlx4_mallocv(const char *type, const struct mlx4_malloc_vec *vec,
92 size_t mlx4_zmallocv(const char *type, const struct mlx4_malloc_vec *vec,
94 size_t mlx4_mallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
95 unsigned int cnt, int socket);
96 size_t mlx4_zmallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
97 unsigned int cnt, int socket);
99 #endif /* MLX4_UTILS_H_ */