/* * Copyright (c) 2017, 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.
*/
if (size & 3) return -EINVAL; if (addr & 3) return -EINVAL; if (size > MLX5_FPGA_ACCESS_REG_SIZE_MAX) return -EINVAL;
MLX5_SET(fpga_access_reg, in, size, size);
MLX5_SET64(fpga_access_reg, in, address, addr); if (write)
memcpy(MLX5_ADDR_OF(fpga_access_reg, in, data), buf, size);
err = mlx5_core_access_reg(dev, in, sizeof(in), out, sizeof(out),
MLX5_REG_FPGA_ACCESS_REG, 0, write); if (err) return err;
if (!write)
memcpy(buf, MLX5_ADDR_OF(fpga_access_reg, out, data), size);
return 0;
}
int mlx5_fpga_caps(struct mlx5_core_dev *dev)
{
u32 in[MLX5_ST_SZ_DW(fpga_cap)] = {0};
return mlx5_core_access_reg(dev, in, sizeof(in), dev->caps.fpga,
MLX5_ST_SZ_BYTES(fpga_cap),
MLX5_REG_FPGA_CAP, 0, 0);
}
int mlx5_fpga_create_qp(struct mlx5_core_dev *dev, void *fpga_qpc,
u32 *fpga_qpn)
{
u32 out[MLX5_ST_SZ_DW(fpga_create_qp_out)] = {};
u32 in[MLX5_ST_SZ_DW(fpga_create_qp_in)] = {}; int ret;
MLX5_SET(fpga_create_qp_in, in, opcode, MLX5_CMD_OP_FPGA_CREATE_QP);
memcpy(MLX5_ADDR_OF(fpga_create_qp_in, in, fpga_qpc), fpga_qpc,
MLX5_FLD_SZ_BYTES(fpga_create_qp_in, fpga_qpc));
ret = mlx5_cmd_exec_inout(dev, fpga_create_qp, in, out); if (ret) return ret;
MLX5_SET(fpga_modify_qp_in, in, opcode, MLX5_CMD_OP_FPGA_MODIFY_QP);
MLX5_SET(fpga_modify_qp_in, in, field_select, fields);
MLX5_SET(fpga_modify_qp_in, in, fpga_qpn, fpga_qpn);
memcpy(MLX5_ADDR_OF(fpga_modify_qp_in, in, fpga_qpc), fpga_qpc,
MLX5_FLD_SZ_BYTES(fpga_modify_qp_in, fpga_qpc));
MLX5_SET(fpga_query_qp_counters_in, in, opcode,
MLX5_CMD_OP_FPGA_QUERY_QP_COUNTERS);
MLX5_SET(fpga_query_qp_counters_in, in, clear, clear);
MLX5_SET(fpga_query_qp_counters_in, in, fpga_qpn, fpga_qpn);
ret = mlx5_cmd_exec_inout(dev, fpga_query_qp_counters, in, out); if (ret) return ret;
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