1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2019 Mellanox Technologies, Ltd
5 #ifndef RTE_PMD_MLX5_COMMON_H_
6 #define RTE_PMD_MLX5_COMMON_H_
14 * Helper macros to work around __VA_ARGS__ limitations in a C99 compliant
17 #define PMD_DRV_LOG_STRIP(a, b) a
18 #define PMD_DRV_LOG_OPAREN (
19 #define PMD_DRV_LOG_CPAREN )
20 #define PMD_DRV_LOG_COMMA ,
22 /* Return the file name part of a path. */
23 static inline const char *
24 pmd_drv_log_basename(const char *s)
34 #define PMD_DRV_LOG___(level, type, name, ...) \
35 rte_log(RTE_LOG_ ## level, \
38 RTE_FMT_HEAD(__VA_ARGS__,), \
39 RTE_FMT_TAIL(__VA_ARGS__,)))
42 * When debugging is enabled (NDEBUG not defined), file, line and function
43 * information replace the driver name (MLX5_DRIVER_NAME) in log messages.
47 #define PMD_DRV_LOG__(level, type, name, ...) \
48 PMD_DRV_LOG___(level, type, name, "%s:%u: %s(): " __VA_ARGS__)
49 #define PMD_DRV_LOG_(level, type, name, s, ...) \
50 PMD_DRV_LOG__(level, type, name,\
51 s "\n" PMD_DRV_LOG_COMMA \
52 pmd_drv_log_basename(__FILE__) PMD_DRV_LOG_COMMA \
53 __LINE__ PMD_DRV_LOG_COMMA \
58 #define PMD_DRV_LOG__(level, type, name, ...) \
59 PMD_DRV_LOG___(level, type, name, __VA_ARGS__)
60 #define PMD_DRV_LOG_(level, type, name, s, ...) \
61 PMD_DRV_LOG__(level, type, name, s "\n", __VA_ARGS__)
65 /* claim_zero() does not perform any check when debugging is disabled. */
68 #define DEBUG(...) DRV_LOG(DEBUG, __VA_ARGS__)
69 #define claim_zero(...) assert((__VA_ARGS__) == 0)
70 #define claim_nonzero(...) assert((__VA_ARGS__) != 0)
74 #define DEBUG(...) (void)0
75 #define claim_zero(...) (__VA_ARGS__)
76 #define claim_nonzero(...) (__VA_ARGS__)
80 /* Allocate a buffer on the stack and fill it with a printf format string. */
81 #define MKSTR(name, ...) \
82 int mkstr_size_##name = snprintf(NULL, 0, "" __VA_ARGS__); \
83 char name[mkstr_size_##name + 1]; \
85 snprintf(name, sizeof(name), "" __VA_ARGS__)
87 #endif /* RTE_PMD_MLX5_COMMON_H_ */