1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2017 6WIND S.A.
3 * Copyright 2017 Mellanox Technologies, Ltd
12 #include <rte_common.h>
18 * Compilation workaround for PPC64 when AltiVec is fully enabled, e.g. std=c11.
19 * Otherwise there would be a type conflict between stdbool and altivec.
21 #if defined(__PPC64__) && !defined(__APPLE_ALTIVEC__)
23 /* redefine as in stdbool.h */
27 extern int mlx4_logtype;
29 #ifdef RTE_LIBRTE_MLX4_DEBUG
32 * When debugging is enabled (MLX4_DEBUG is defined), file, line and function
33 * information replace the driver name (MLX4_DRIVER_NAME) in log messages.
36 /** Return the file name part of a path. */
37 static inline const char *
38 pmd_drv_log_basename(const char *s)
48 #define PMD_DRV_LOG(level, ...) \
49 rte_log(RTE_LOG_ ## level, mlx4_logtype, \
50 RTE_FMT("%s:%u: %s(): " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
51 pmd_drv_log_basename(__FILE__), \
54 RTE_FMT_TAIL(__VA_ARGS__,)))
55 #define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
56 #define MLX4_ASSERT(exp) RTE_VERIFY(exp)
57 #define claim_zero(...) MLX4_ASSERT((__VA_ARGS__) == 0)
59 #else /* RTE_LIBRTE_MLX4_DEBUG */
62 * Like MLX4_ASSERT(), DEBUG() becomes a no-op and claim_zero() does not perform
63 * any check when debugging is disabled.
66 #define PMD_DRV_LOG(level, ...) \
67 rte_log(RTE_LOG_ ## level, mlx4_logtype, \
68 RTE_FMT(MLX4_DRIVER_NAME ": " \
69 RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
70 RTE_FMT_TAIL(__VA_ARGS__,)))
71 #define DEBUG(...) (void)0
72 #define MLX4_ASSERT(exp) RTE_ASSERT(exp)
73 #define claim_zero(...) (__VA_ARGS__)
75 #endif /* RTE_LIBRTE_MLX4_DEBUG */
77 #define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__)
78 #define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__)
79 #define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__)
81 /** Allocate a buffer on the stack and fill it with a printf format string. */
82 #define MKSTR(name, ...) \
83 int mkstr_size_##name = snprintf(NULL, 0, "" __VA_ARGS__); \
84 char name[mkstr_size_##name + 1]; \
86 snprintf(name, sizeof(name), "" __VA_ARGS__)
88 /** Generate a string out of the provided arguments. */
89 #define MLX4_STR(...) # __VA_ARGS__
91 /** Similar to MLX4_STR() with enclosed macros expanded first. */
92 #define MLX4_STR_EXPAND(...) MLX4_STR(__VA_ARGS__)
94 /** Object description used with mlx4_mallocv() and similar functions. */
95 struct mlx4_malloc_vec {
96 size_t align; /**< Alignment constraint (power of 2), 0 if unknown. */
97 size_t size; /**< Object size. */
98 void **addr; /**< Storage for allocation address. */
103 int mlx4_fd_set_non_blocking(int fd);
104 size_t mlx4_mallocv(const char *type, const struct mlx4_malloc_vec *vec,
106 size_t mlx4_zmallocv(const char *type, const struct mlx4_malloc_vec *vec,
108 size_t mlx4_mallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
109 unsigned int cnt, int socket);
110 size_t mlx4_zmallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
111 unsigned int cnt, int socket);
113 #endif /* MLX4_UTILS_H_ */