1 /*- 2 * Copyright (c) 2017 Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef __TOOLS_H__ 34 #define __TOOLS_H__ 35 36 #include <sys/lock.h> 37 #include <sys/sx.h> 38 #include <linux/types.h> 39 #include <linux/kobject.h> 40 #include <linux/list.h> 41 #include <dev/mlx5/mlx5_fpga/sdk.h> 42 43 #define MLX5_FPGA_TOOLS_DRIVER_NAME "mlx5_fpga_tools" 44 45 struct mlx5_fpga_tools_dev { 46 /* Core device and connection to FPGA */ 47 struct mlx5_fpga_device *fdev; 48 49 /* Serializes memory accesses */ 50 struct sx lock; 51 52 /* Char device state */ 53 void *char_device; 54 }; 55 56 int mlx5_fpga_tools_mem_write(struct mlx5_fpga_tools_dev *tdev, 57 void *buf, size_t count, u64 address, 58 enum mlx5_fpga_access_type access_type); 59 int mlx5_fpga_tools_mem_read(struct mlx5_fpga_tools_dev *tdev, void *buf, 60 size_t count, u64 address, 61 enum mlx5_fpga_access_type access_type); 62 63 #endif /* __TOOLS_H__ */ 64