/*
* 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"
static int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev, u32 *out,
int outlen)
{
u32 in[MLX5_ST_SZ_DW(query_adapter_in)];
memset(in, 0, sizeof(in));
MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen);
}
int mlx5_query_board_id(struct mlx5_core_dev *dev)
{
u32 *out;
int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
int err;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
return -ENOMEM;
err = mlx5_cmd_query_adapter(dev, out, outlen);
if (err)
goto out;
memcpy(dev->board_id,
MLX5_ADDR_OF(query_adapter_out, out,
query_adapter_struct.vsd_contd_psid),
MLX5_FLD_SZ_BYTES(query_adapter_out,
query_adapter_struct.vsd_contd_psid));
out:
kfree(out);
return err;
}
int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id)
{
u32 *out;
int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
int err;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
return -ENOMEM;
err = mlx5_cmd_query_adapter(mdev, out, outlen);
if (err)
goto out;
*vendor_id = MLX5_GET(query_adapter_out, out,
query_adapter_struct.ieee_vendor_id);
out:
kfree(out);
return err;
}
EXPORT_SYMBOL(mlx5_core_query_vendor_id);
int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
{
int err;
err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR);
if (err)
return err;
err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_MAX);
if (err)
return err;
if (MLX5_CAP_GEN(dev, eth_net_offloads)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS,
HCA_CAP_OPMOD_GET_CUR);
if (err)
return err;
err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS,
HCA_CAP_OPMOD_GET_MAX);
if (err)
return err;
}
if (MLX5_CAP_GEN(dev, pg)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_ODP,
HCA_CAP_OPMOD_GET_CUR);
if (err)
return err;
err = mlx5_core_get_caps(dev, MLX5_CAP_ODP,
HCA_CAP_OPMOD_GET_MAX);
if (err)
return err;
}
if (MLX5_CAP_GEN(dev, atomic)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC,
HCA_CAP_OPMOD_GET_CUR);
if (err)
return err;
err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC,
HCA_CAP_OPMOD_GET_MAX);
if (err)
return err;
}
if (MLX5_CAP_GEN(dev, roce)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE,
HCA_CAP_OPMOD_GET_CUR);
if (err)
return err;
err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE,
HCA_CAP_OPMOD_GET_MAX);
if (err)
return err;
}
if (MLX5_CAP_GEN(dev, nic_flow_table)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE,
HCA_CAP_OPMOD_GET_CUR);
if (err)
return err;
err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE,
HCA_CAP_OPMOD_GET_MAX);
if (err)
return err;
}
return 0;
}
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;
}
