diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fw.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fw.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c new file mode 100644 index 000000000..4b4cda3bc --- /dev/null +++ b/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; +} |