1*e9dcd831SSlava Shwartsman /*- 2*e9dcd831SSlava Shwartsman * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 3*e9dcd831SSlava Shwartsman * 4*e9dcd831SSlava Shwartsman * This software is available to you under a choice of one of two 5*e9dcd831SSlava Shwartsman * licenses. You may choose to be licensed under the terms of the GNU 6*e9dcd831SSlava Shwartsman * General Public License (GPL) Version 2, available from the file 7*e9dcd831SSlava Shwartsman * COPYING in the main directory of this source tree, or the 8*e9dcd831SSlava Shwartsman * OpenIB.org BSD license below: 9*e9dcd831SSlava Shwartsman * 10*e9dcd831SSlava Shwartsman * Redistribution and use in source and binary forms, with or 11*e9dcd831SSlava Shwartsman * without modification, are permitted provided that the following 12*e9dcd831SSlava Shwartsman * conditions are met: 13*e9dcd831SSlava Shwartsman * 14*e9dcd831SSlava Shwartsman * - Redistributions of source code must retain the above 15*e9dcd831SSlava Shwartsman * copyright notice, this list of conditions and the following 16*e9dcd831SSlava Shwartsman * disclaimer. 17*e9dcd831SSlava Shwartsman * 18*e9dcd831SSlava Shwartsman * - Redistributions in binary form must reproduce the above 19*e9dcd831SSlava Shwartsman * copyright notice, this list of conditions and the following 20*e9dcd831SSlava Shwartsman * disclaimer in the documentation and/or other materials 21*e9dcd831SSlava Shwartsman * provided with the distribution. 22*e9dcd831SSlava Shwartsman * 23*e9dcd831SSlava Shwartsman * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24*e9dcd831SSlava Shwartsman * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25*e9dcd831SSlava Shwartsman * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26*e9dcd831SSlava Shwartsman * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27*e9dcd831SSlava Shwartsman * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28*e9dcd831SSlava Shwartsman * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29*e9dcd831SSlava Shwartsman * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30*e9dcd831SSlava Shwartsman * SOFTWARE. 31*e9dcd831SSlava Shwartsman */ 32*e9dcd831SSlava Shwartsman 33*e9dcd831SSlava Shwartsman #ifndef __MLX5_FPGA_TRANS_H__ 34*e9dcd831SSlava Shwartsman #define __MLX5_FPGA_TRANS_H__ 35*e9dcd831SSlava Shwartsman 36*e9dcd831SSlava Shwartsman #include <dev/mlx5/mlx5_fpga/sdk.h> 37*e9dcd831SSlava Shwartsman #include <dev/mlx5/mlx5_fpga/core.h> 38*e9dcd831SSlava Shwartsman 39*e9dcd831SSlava Shwartsman #define MLX5_FPGA_TRANSACTION_MAX_SIZE 1008 40*e9dcd831SSlava Shwartsman #define MLX5_FPGA_TRANSACTION_SEND_ALIGN_BITS 3 41*e9dcd831SSlava Shwartsman #define MLX5_FPGA_TRANSACTION_SEND_PAGE_BITS 12 42*e9dcd831SSlava Shwartsman #define MLX5_FPGA_TID_COUNT 256 43*e9dcd831SSlava Shwartsman 44*e9dcd831SSlava Shwartsman enum mlx5_fpga_direction { 45*e9dcd831SSlava Shwartsman MLX5_FPGA_READ, 46*e9dcd831SSlava Shwartsman MLX5_FPGA_WRITE, 47*e9dcd831SSlava Shwartsman }; 48*e9dcd831SSlava Shwartsman 49*e9dcd831SSlava Shwartsman struct mlx5_fpga_transaction { 50*e9dcd831SSlava Shwartsman struct mlx5_fpga_conn *conn; 51*e9dcd831SSlava Shwartsman enum mlx5_fpga_direction direction; 52*e9dcd831SSlava Shwartsman size_t size; 53*e9dcd831SSlava Shwartsman u64 addr; 54*e9dcd831SSlava Shwartsman u8 *data; 55*e9dcd831SSlava Shwartsman void (*complete1)(const struct mlx5_fpga_transaction *complete, 56*e9dcd831SSlava Shwartsman u8 status); 57*e9dcd831SSlava Shwartsman }; 58*e9dcd831SSlava Shwartsman 59*e9dcd831SSlava Shwartsman int mlx5_fpga_trans_device_init(struct mlx5_fpga_device *fdev); 60*e9dcd831SSlava Shwartsman void mlx5_fpga_trans_device_cleanup(struct mlx5_fpga_device *fdev); 61*e9dcd831SSlava Shwartsman int mlx5_fpga_trans_exec(const struct mlx5_fpga_transaction *trans); 62*e9dcd831SSlava Shwartsman void mlx5_fpga_trans_recv(void *cb_arg, struct mlx5_fpga_dma_buf *buf); 63*e9dcd831SSlava Shwartsman 64*e9dcd831SSlava Shwartsman #endif /* __MLX_FPGA_TRANS_H__ */ 65