99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
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/*-
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* BSD LICENSE
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*
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* Copyright 2017 6WIND S.A.
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* Copyright 2017 Mellanox
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of 6WIND S.A. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef MLX4_UTILS_H_
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#define MLX4_UTILS_H_
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#include <rte_common.h>
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#include <rte_log.h>
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#include "mlx4.h"
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#ifndef NDEBUG
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/*
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* When debugging is enabled (NDEBUG not defined), file, line and function
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* information replace the driver name (MLX4_DRIVER_NAME) in log messages.
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*/
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/* Return the file name part of a path. */
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static inline const char *
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pmd_drv_log_basename(const char *s)
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{
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const char *n = s;
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while (*n)
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if (*(n++) == '/')
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s = n;
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return s;
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}
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#define PMD_DRV_LOG(level, ...) \
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RTE_LOG(level, PMD, \
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RTE_FMT("%s:%u: %s(): " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
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pmd_drv_log_basename(__FILE__), \
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__LINE__, \
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__func__, \
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RTE_FMT_TAIL(__VA_ARGS__,)))
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#define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
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#ifndef MLX4_PMD_DEBUG_BROKEN_VERBS
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#define claim_zero(...) assert((__VA_ARGS__) == 0)
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#else /* MLX4_PMD_DEBUG_BROKEN_VERBS */
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#define claim_zero(...) \
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(void)(((__VA_ARGS__) == 0) || \
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DEBUG("Assertion `(" # __VA_ARGS__ ") == 0' failed (IGNORED)."))
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#endif /* MLX4_PMD_DEBUG_BROKEN_VERBS */
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#else /* NDEBUG */
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/*
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* Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform
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* any check when debugging is disabled.
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*/
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#define PMD_DRV_LOG(level, ...) \
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RTE_LOG(level, PMD, \
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RTE_FMT(MLX4_DRIVER_NAME ": " \
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RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
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RTE_FMT_TAIL(__VA_ARGS__,)))
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#define DEBUG(...) (void)0
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#define claim_zero(...) (__VA_ARGS__)
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#endif /* NDEBUG */
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#define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__)
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#define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__)
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#define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__)
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#endif /* MLX4_UTILS_H_ */
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