/*- * 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. */ #ifndef __MLX5_FPGA_TRANS_H__ #define __MLX5_FPGA_TRANS_H__ #include #include #define MLX5_FPGA_TRANSACTION_MAX_SIZE 1008 #define MLX5_FPGA_TRANSACTION_SEND_ALIGN_BITS 3 #define MLX5_FPGA_TRANSACTION_SEND_PAGE_BITS 12 #define MLX5_FPGA_TID_COUNT 256 enum mlx5_fpga_direction { MLX5_FPGA_READ, MLX5_FPGA_WRITE, }; struct mlx5_fpga_transaction { struct mlx5_fpga_conn *conn; enum mlx5_fpga_direction direction; size_t size; u64 addr; u8 *data; void (*complete1)(const struct mlx5_fpga_transaction *complete, u8 status); }; int mlx5_fpga_trans_device_init(struct mlx5_fpga_device *fdev); void mlx5_fpga_trans_device_cleanup(struct mlx5_fpga_device *fdev); int mlx5_fpga_trans_exec(const struct mlx5_fpga_transaction *trans); void mlx5_fpga_trans_recv(void *cb_arg, struct mlx5_fpga_dma_buf *buf); #endif /* __MLX_FPGA_TRANS_H__ */