-/*-
- * 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 <stddef.h>
+#include <stdint.h>
#include <stdio.h>
#include <limits.h>
#include <assert.h>
#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)) + \
!!(((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]))
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, ...) \
__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, ...) \
#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)
\
snprintf(name, sizeof(name), __VA_ARGS__)
-#define WR_ID(o) (((wr_id_t *)&(o))->data)
+/**
+ * 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_ */