1 /* 2 * Copyright (c) 2017, Mellanox Technologies, Ltd. 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 __MLX5_FPGA_CORE_H__ 34 #define __MLX5_FPGA_CORE_H__ 35 36 #ifdef CONFIG_MLX5_FPGA 37 38 #include <linux/mlx5/eq.h> 39 40 #include "mlx5_core.h" 41 #include "lib/eq.h" 42 #include "fpga/cmd.h" 43 44 /* Represents an Innova device */ 45 struct mlx5_fpga_device { 46 struct mlx5_core_dev *mdev; 47 struct mlx5_nb fpga_err_nb; 48 struct mlx5_nb fpga_qp_err_nb; 49 spinlock_t state_lock; /* Protects state transitions */ 50 enum mlx5_fpga_status state; 51 enum mlx5_fpga_image last_admin_image; 52 enum mlx5_fpga_image last_oper_image; 53 54 /* QP Connection resources */ 55 struct { 56 u32 pdn; 57 u32 mkey; 58 struct mlx5_uars_page *uar; 59 } conn_res; 60 }; 61 62 #define mlx5_fpga_dbg(__adev, format, ...) \ 63 mlx5_core_dbg((__adev)->mdev, "FPGA: %s:%d:(pid %d): " format, \ 64 __func__, __LINE__, current->pid, ##__VA_ARGS__) 65 66 #define mlx5_fpga_err(__adev, format, ...) \ 67 mlx5_core_err((__adev)->mdev, "FPGA: %s:%d:(pid %d): " format, \ 68 __func__, __LINE__, current->pid, ##__VA_ARGS__) 69 70 #define mlx5_fpga_warn(__adev, format, ...) \ 71 mlx5_core_warn((__adev)->mdev, "FPGA: %s:%d:(pid %d): " format, \ 72 __func__, __LINE__, current->pid, ##__VA_ARGS__) 73 74 #define mlx5_fpga_warn_ratelimited(__adev, format, ...) \ 75 mlx5_core_err_rl((__adev)->mdev, "FPGA: %s:%d: " \ 76 format, __func__, __LINE__, ##__VA_ARGS__) 77 78 #define mlx5_fpga_notice(__adev, format, ...) \ 79 mlx5_core_info((__adev)->mdev, "FPGA: " format, ##__VA_ARGS__) 80 81 #define mlx5_fpga_info(__adev, format, ...) \ 82 mlx5_core_info((__adev)->mdev, "FPGA: " format, ##__VA_ARGS__) 83 84 int mlx5_fpga_init(struct mlx5_core_dev *mdev); 85 void mlx5_fpga_cleanup(struct mlx5_core_dev *mdev); 86 int mlx5_fpga_device_start(struct mlx5_core_dev *mdev); 87 void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev); 88 89 #else 90 91 static inline int mlx5_fpga_init(struct mlx5_core_dev *mdev) 92 { 93 return 0; 94 } 95 96 static inline void mlx5_fpga_cleanup(struct mlx5_core_dev *mdev) 97 { 98 } 99 100 static inline int mlx5_fpga_device_start(struct mlx5_core_dev *mdev) 101 { 102 return 0; 103 } 104 105 static inline void mlx5_fpga_device_stop(struct mlx5_core_dev *mdev) 106 { 107 } 108 109 #endif 110 111 #endif /* __MLX5_FPGA_CORE_H__ */ 112