Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 99 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/net/mlx4/mlx4_utils.h b/src/spdk/dpdk/drivers/net/mlx4/mlx4_utils.h
new file mode 100644
index 00000000..86abb3b7
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/mlx4/mlx4_utils.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
+ */
+
+#ifndef MLX4_UTILS_H_
+#define MLX4_UTILS_H_
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#include <rte_common.h>
+#include <rte_log.h>
+
+#include "mlx4.h"
+
+#ifndef NDEBUG
+
+/*
+ * When debugging is enabled (NDEBUG not defined), file, line and function
+ * information replace the driver name (MLX4_DRIVER_NAME) in log messages.
+ */
+
+/** Return the file name part of a path. */
+static inline const char *
+pmd_drv_log_basename(const char *s)
+{
+	const char *n = s;
+
+	while (*n)
+		if (*(n++) == '/')
+			s = n;
+	return s;
+}
+
+#define PMD_DRV_LOG(level, ...) \
+	RTE_LOG(level, PMD, \
+		RTE_FMT("%s:%u: %s(): " RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+			pmd_drv_log_basename(__FILE__), \
+			__LINE__, \
+			__func__, \
+			RTE_FMT_TAIL(__VA_ARGS__,)))
+#define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
+#define claim_zero(...) assert((__VA_ARGS__) == 0)
+
+#else /* NDEBUG */
+
+/*
+ * Like assert(), DEBUG() becomes a no-op and claim_zero() does not perform
+ * any check when debugging is disabled.
+ */
+
+#define PMD_DRV_LOG(level, ...) \
+	RTE_LOG(level, PMD, \
+		RTE_FMT(MLX4_DRIVER_NAME ": " \
+			RTE_FMT_HEAD(__VA_ARGS__,) "\n", \
+		RTE_FMT_TAIL(__VA_ARGS__,)))
+#define DEBUG(...) (void)0
+#define claim_zero(...) (__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__)
+
+/** Allocate a buffer on the stack and fill it with a printf format string. */
+#define MKSTR(name, ...) \
+	char name[snprintf(NULL, 0, __VA_ARGS__) + 1]; \
+	\
+	snprintf(name, sizeof(name), __VA_ARGS__)
+
+/** Generate a string out of the provided arguments. */
+#define MLX4_STR(...) # __VA_ARGS__
+
+/** Similar to MLX4_STR() with enclosed macros expanded first. */
+#define MLX4_STR_EXPAND(...) MLX4_STR(__VA_ARGS__)
+
+/** Object description used with mlx4_mallocv() and similar functions. */
+struct mlx4_malloc_vec {
+	size_t align; /**< Alignment constraint (power of 2), 0 if unknown. */
+	size_t size; /**< Object size. */
+	void **addr; /**< Storage for allocation address. */
+};
+
+/* mlx4_utils.c */
+
+int mlx4_fd_set_non_blocking(int fd);
+size_t mlx4_mallocv(const char *type, const struct mlx4_malloc_vec *vec,
+		    unsigned int cnt);
+size_t mlx4_zmallocv(const char *type, const struct mlx4_malloc_vec *vec,
+		     unsigned int cnt);
+size_t mlx4_mallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
+			   unsigned int cnt, int socket);
+size_t mlx4_zmallocv_socket(const char *type, const struct mlx4_malloc_vec *vec,
+			    unsigned int cnt, int socket);
+
+#endif /* MLX4_UTILS_H_ */