Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / mellanox / mlx5 / core / fw.c

diff --git a/kernel/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/kernel/drivers/net/ethernet/mellanox/mlx5/core/fw.c
new file mode 100644 (file)
index 0000000..4b4cda3
--- /dev/null
+++ b/kernel/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2013-2015, Mellanox Technologies. 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 <linux/mlx5/driver.h>
+#include <linux/mlx5/cmd.h>
+#include <linux/module.h>
+#include "mlx5_core.h"
+
+int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev)
+{
+       struct mlx5_cmd_query_adapter_mbox_out *out;
+       struct mlx5_cmd_query_adapter_mbox_in in;
+       int err;
+
+       out = kzalloc(sizeof(*out), GFP_KERNEL);
+       if (!out)
+               return -ENOMEM;
+
+       memset(&in, 0, sizeof(in));
+       in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_ADAPTER);
+       err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out));
+       if (err)
+               goto out_out;
+
+       if (out->hdr.status) {
+               err = mlx5_cmd_status_to_err(&out->hdr);
+               goto out_out;
+       }
+
+       memcpy(dev->board_id, out->vsd_psid, sizeof(out->vsd_psid));
+
+out_out:
+       kfree(out);
+
+       return err;
+}
+
+int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, struct mlx5_caps *caps)
+{
+       return mlx5_core_get_caps(dev, caps, HCA_CAP_OPMOD_GET_CUR);
+}
+
+int mlx5_query_odp_caps(struct mlx5_core_dev *dev, struct mlx5_odp_caps *caps)
+{
+       u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)];
+       int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out);
+       void *out;
+       int err;
+
+       if (!(dev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG))
+               return -ENOTSUPP;
+
+       memset(in, 0, sizeof(in));
+       out = kzalloc(out_sz, GFP_KERNEL);
+       if (!out)
+               return -ENOMEM;
+       MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
+       MLX5_SET(query_hca_cap_in, in, op_mod, HCA_CAP_OPMOD_GET_ODP_CUR);
+       err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz);
+       if (err)
+               goto out;
+
+       err = mlx5_cmd_status_to_err_v2(out);
+       if (err) {
+               mlx5_core_warn(dev, "query cur hca ODP caps failed, %d\n", err);
+               goto out;
+       }
+
+       memcpy(caps, MLX5_ADDR_OF(query_hca_cap_out, out, capability_struct),
+              sizeof(*caps));
+
+       mlx5_core_dbg(dev, "on-demand paging capabilities:\nrc: %08x\nuc: %08x\nud: %08x\n",
+               be32_to_cpu(caps->per_transport_caps.rc_odp_caps),
+               be32_to_cpu(caps->per_transport_caps.uc_odp_caps),
+               be32_to_cpu(caps->per_transport_caps.ud_odp_caps));
+
+out:
+       kfree(out);
+       return err;
+}
+EXPORT_SYMBOL(mlx5_query_odp_caps);
+
+int mlx5_cmd_init_hca(struct mlx5_core_dev *dev)
+{
+       struct mlx5_cmd_init_hca_mbox_in in;
+       struct mlx5_cmd_init_hca_mbox_out out;
+       int err;
+
+       memset(&in, 0, sizeof(in));
+       memset(&out, 0, sizeof(out));
+       in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_INIT_HCA);
+       err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+       if (err)
+               return err;
+
+       if (out.hdr.status)
+               err = mlx5_cmd_status_to_err(&out.hdr);
+
+       return err;
+}
+
+int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
+{
+       struct mlx5_cmd_teardown_hca_mbox_in in;
+       struct mlx5_cmd_teardown_hca_mbox_out out;
+       int err;
+
+       memset(&in, 0, sizeof(in));
+       memset(&out, 0, sizeof(out));
+       in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_TEARDOWN_HCA);
+       err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+       if (err)
+               return err;
+
+       if (out.hdr.status)
+               err = mlx5_cmd_status_to_err(&out.hdr);
+
+       return err;
+}