1 files changed, 66 insertions, 0 deletions
diff --git a/sys/dev/mlx5/mlx5_core/mlx5_mad.c b/sys/dev/mlx5/mlx5_core/mlx5_mad.c
new file mode 100644
index 0000000..166930e
--- /dev/null
+++ b/sys/dev/mlx5/mlx5_core/mlx5_mad.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2013-2015, Mellanox Technologies, Ltd.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <dev/mlx5/driver.h>
+#include "mlx5_core.h"
+
+int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb,
+		      u16 opmod, u8 port)
+{
+	struct mlx5_mad_ifc_mbox_in *in = NULL;
+	struct mlx5_mad_ifc_mbox_out *out = NULL;
+	int err;
+
+	in = kzalloc(sizeof(*in), GFP_KERNEL);
+
+	out = kzalloc(sizeof(*out), GFP_KERNEL);
+
+	in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MAD_IFC);
+	in->hdr.opmod = cpu_to_be16(opmod);
+	in->port = port;
+
+	memcpy(in->data, inb, sizeof(in->data));
+
+	err = mlx5_cmd_exec(dev, in, sizeof(*in), out, sizeof(*out));
+	if (err)
+		goto out;
+
+	if (out->hdr.status) {
+		err = mlx5_cmd_status_to_err(&out->hdr);
+		goto out;
+	}
+
+	memcpy(outb, out->data, sizeof(out->data));
+
+out:
+	kfree(out);
+	kfree(in);
+	return err;
+}
+EXPORT_SYMBOL_GPL(mlx5_core_mad_ifc);