1 files changed, 70 insertions, 0 deletions

diff --git a/drivers/net/mlx4/catas.c b/drivers/net/mlx4/catas.c
new file mode 100644
index 000000000000..1bb088aeaf71
--- /dev/null
+++ b/drivers/net/mlx4/catas.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "mlx4.h"
+
+void mlx4_handle_catas_err(struct mlx4_dev *dev)
+{
+        struct mlx4_priv *priv = mlx4_priv(dev);
+
+        int i;
+
+        mlx4_err(dev, "Catastrophic error detected:\n");
+        for (i = 0; i < priv->fw.catas_size; ++i)
+                mlx4_err(dev, "  buf[%02x]: %08x\n",
+                         i, swab32(readl(priv->catas_err.map + i)));
+
+        mlx4_dispatch_event(dev, MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR, 0, 0);
+}
+
+void mlx4_map_catas_buf(struct mlx4_dev *dev)
+{
+        struct mlx4_priv *priv = mlx4_priv(dev);
+        unsigned long addr;
+
+        addr = pci_resource_start(dev->pdev, priv->fw.catas_bar) +
+                priv->fw.catas_offset;
+
+        priv->catas_err.map = ioremap(addr, priv->fw.catas_size * 4);
+        if (!priv->catas_err.map)
+                mlx4_warn(dev, "Failed to map catastrophic error buffer at 0x%lx\n",
+                          addr);
+
+}
+
+void mlx4_unmap_catas_buf(struct mlx4_dev *dev)
+{
+        struct mlx4_priv *priv = mlx4_priv(dev);
+
+        if (priv->catas_err.map)
+                iounmap(priv->catas_err.map);
+}