X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_utils.h;h=97092c749bb913dfd4eb60fe2c02135e16fd0213;hb=8d0715f054b44750c2e1553d6af29487bcea25d8;hp=f1fad188bfb8b80e155ba4c724cf97a281e0c3e9;hpb=aa7f63ab35ccac3ef696eb289a98fa851eca21fa;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_utils.h b/drivers/net/mlx5/mlx5_utils.h index f1fad188bf..97092c749b 100644 --- a/drivers/net/mlx5/mlx5_utils.h +++ b/drivers/net/mlx5/mlx5_utils.h @@ -1,40 +1,13 @@ -/*- - * BSD LICENSE - * - * Copyright 2015 6WIND S.A. - * Copyright 2015 Mellanox. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2015 6WIND S.A. + * Copyright 2015 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX5_UTILS_H_ #define RTE_PMD_MLX5_UTILS_H_ #include +#include #include #include #include @@ -42,6 +15,16 @@ #include "mlx5_defs.h" +/* + * Compilation workaround for PPC64 when AltiVec is fully enabled, e.g. std=c11. + * Otherwise there would be a type conflict between stdbool and altivec. + */ +#if defined(__PPC64__) && !defined(__APPLE_ALTIVEC__) +#undef bool +/* redefine as in stdbool.h */ +#define bool _Bool +#endif + /* Bit-field manipulation. */ #define BITFIELD_DECLARE(bf, type, size) \ type bf[(((size_t)(size) / (sizeof(type) * CHAR_BIT)) + \ @@ -61,6 +44,9 @@ !!(((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] & \ ((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT)))))) +/* Convert a bit number to the corresponding 64-bit mask */ +#define MLX5_BITSHIFT(v) (UINT64_C(1) << (v)) + /* Save and restore errno around argument evaluation. */ #define ERRNO_SAFE(x) ((errno = (int []){ errno, ((x), 0) }[0])) @@ -85,14 +71,21 @@ pmd_drv_log_basename(const char *s) return s; } +extern int mlx5_logtype; + +#define PMD_DRV_LOG___(level, ...) \ + rte_log(RTE_LOG_ ## level, \ + mlx5_logtype, \ + RTE_FMT(MLX5_DRIVER_NAME ": " \ + RTE_FMT_HEAD(__VA_ARGS__,), \ + RTE_FMT_TAIL(__VA_ARGS__,))) + /* * When debugging is enabled (NDEBUG not defined), file, line and function * information replace the driver name (MLX5_DRIVER_NAME) in log messages. */ #ifndef NDEBUG -#define PMD_DRV_LOG___(level, ...) \ - ERRNO_SAFE(RTE_LOG(level, PMD, __VA_ARGS__)) #define PMD_DRV_LOG__(level, ...) \ PMD_DRV_LOG___(level, "%s:%u: %s(): " __VA_ARGS__) #define PMD_DRV_LOG_(level, s, ...) \ @@ -104,9 +97,6 @@ pmd_drv_log_basename(const char *s) __VA_ARGS__) #else /* NDEBUG */ - -#define PMD_DRV_LOG___(level, ...) \ - ERRNO_SAFE(RTE_LOG(level, PMD, MLX5_DRIVER_NAME ": " __VA_ARGS__)) #define PMD_DRV_LOG__(level, ...) \ PMD_DRV_LOG___(level, __VA_ARGS__) #define PMD_DRV_LOG_(level, s, ...) \ @@ -115,30 +105,29 @@ pmd_drv_log_basename(const char *s) #endif /* NDEBUG */ /* Generic printf()-like logging macro with automatic line feed. */ -#define PMD_DRV_LOG(level, ...) \ +#define DRV_LOG(level, ...) \ PMD_DRV_LOG_(level, \ __VA_ARGS__ PMD_DRV_LOG_STRIP PMD_DRV_LOG_OPAREN, \ PMD_DRV_LOG_CPAREN) -/* - * Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform - * any check when debugging is disabled. - */ +/* claim_zero() does not perform any check when debugging is disabled. */ #ifndef NDEBUG -#define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__) +#define DEBUG(...) DRV_LOG(DEBUG, __VA_ARGS__) #define claim_zero(...) assert((__VA_ARGS__) == 0) +#define claim_nonzero(...) assert((__VA_ARGS__) != 0) #else /* NDEBUG */ #define DEBUG(...) (void)0 #define claim_zero(...) (__VA_ARGS__) +#define claim_nonzero(...) (__VA_ARGS__) #endif /* NDEBUG */ -#define INFO(...) PMD_DRV_LOG(INFO, __VA_ARGS__) -#define WARN(...) PMD_DRV_LOG(WARNING, __VA_ARGS__) -#define ERROR(...) PMD_DRV_LOG(ERR, __VA_ARGS__) +#define INFO(...) DRV_LOG(INFO, __VA_ARGS__) +#define WARN(...) DRV_LOG(WARNING, __VA_ARGS__) +#define ERROR(...) DRV_LOG(ERR, __VA_ARGS__) /* Convenience macros for accessing mbuf fields. */ #define NEXT(m) ((m)->next) @@ -161,4 +150,24 @@ pmd_drv_log_basename(const char *s) \ snprintf(name, sizeof(name), __VA_ARGS__) +/** + * Return nearest power of two above input value. + * + * @param v + * Input value. + * + * @return + * Nearest power of two above input value. + */ +static inline unsigned int +log2above(unsigned int v) +{ + unsigned int l; + unsigned int r; + + for (l = 0, r = 0; (v >> 1); ++l, v >>= 1) + r |= (v & 1); + return l + r; +} + #endif /* RTE_PMD_MLX5_UTILS_H_ */