1 /*- 2 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #include <dev/mlx5/driver.h> 29 #include <linux/module.h> 30 #include "mlx5_core.h" 31 32 static int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev, u32 *out, 33 int outlen) 34 { 35 u32 in[MLX5_ST_SZ_DW(query_adapter_in)]; 36 int err; 37 38 memset(in, 0, sizeof(in)); 39 40 MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER); 41 42 err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, outlen); 43 return err; 44 } 45 46 int mlx5_query_board_id(struct mlx5_core_dev *dev) 47 { 48 u32 *out; 49 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out); 50 int err; 51 52 out = kzalloc(outlen, GFP_KERNEL); 53 54 err = mlx5_cmd_query_adapter(dev, out, outlen); 55 if (err) 56 goto out_out; 57 58 memcpy(dev->board_id, 59 MLX5_ADDR_OF(query_adapter_out, out, 60 query_adapter_struct.vsd_contd_psid), 61 MLX5_FLD_SZ_BYTES(query_adapter_out, 62 query_adapter_struct.vsd_contd_psid)); 63 64 out_out: 65 kfree(out); 66 67 return err; 68 } 69 70 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id) 71 { 72 u32 *out; 73 int outlen = MLX5_ST_SZ_BYTES(query_adapter_out); 74 int err; 75 76 out = kzalloc(outlen, GFP_KERNEL); 77 78 err = mlx5_cmd_query_adapter(mdev, out, outlen); 79 if (err) 80 goto out_out; 81 82 *vendor_id = MLX5_GET(query_adapter_out, out, 83 query_adapter_struct.ieee_vendor_id); 84 85 out_out: 86 kfree(out); 87 88 return err; 89 } 90 EXPORT_SYMBOL(mlx5_core_query_vendor_id); 91 92 static int mlx5_core_query_special_contexts(struct mlx5_core_dev *dev) 93 { 94 u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)]; 95 u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)]; 96 int err; 97 98 memset(in, 0, sizeof(in)); 99 memset(out, 0, sizeof(out)); 100 101 MLX5_SET(query_special_contexts_in, in, opcode, 102 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); 103 err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, 104 sizeof(out)); 105 if (err) 106 return err; 107 108 dev->special_contexts.resd_lkey = MLX5_GET(query_special_contexts_out, 109 out, resd_lkey); 110 111 return err; 112 } 113 114 int mlx5_query_hca_caps(struct mlx5_core_dev *dev) 115 { 116 int err; 117 118 err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR); 119 if (err) 120 return err; 121 122 err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_MAX); 123 if (err) 124 return err; 125 126 if (MLX5_CAP_GEN(dev, eth_net_offloads)) { 127 err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS, 128 HCA_CAP_OPMOD_GET_CUR); 129 if (err) 130 return err; 131 err = mlx5_core_get_caps(dev, MLX5_CAP_ETHERNET_OFFLOADS, 132 HCA_CAP_OPMOD_GET_MAX); 133 if (err) 134 return err; 135 } 136 137 if (MLX5_CAP_GEN(dev, pg)) { 138 err = mlx5_core_get_caps(dev, MLX5_CAP_ODP, 139 HCA_CAP_OPMOD_GET_CUR); 140 if (err) 141 return err; 142 err = mlx5_core_get_caps(dev, MLX5_CAP_ODP, 143 HCA_CAP_OPMOD_GET_MAX); 144 if (err) 145 return err; 146 } 147 148 if (MLX5_CAP_GEN(dev, atomic)) { 149 err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC, 150 HCA_CAP_OPMOD_GET_CUR); 151 if (err) 152 return err; 153 err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC, 154 HCA_CAP_OPMOD_GET_MAX); 155 if (err) 156 return err; 157 } 158 159 if (MLX5_CAP_GEN(dev, roce)) { 160 err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE, 161 HCA_CAP_OPMOD_GET_CUR); 162 if (err) 163 return err; 164 err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE, 165 HCA_CAP_OPMOD_GET_MAX); 166 if (err) 167 return err; 168 } 169 170 if (MLX5_CAP_GEN(dev, nic_flow_table)) { 171 err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE, 172 HCA_CAP_OPMOD_GET_CUR); 173 if (err) 174 return err; 175 err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE, 176 HCA_CAP_OPMOD_GET_MAX); 177 if (err) 178 return err; 179 } 180 181 if ( 182 MLX5_CAP_GEN(dev, eswitch_flow_table)) { 183 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE, 184 HCA_CAP_OPMOD_GET_CUR); 185 if (err) 186 return err; 187 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH_FLOW_TABLE, 188 HCA_CAP_OPMOD_GET_MAX); 189 if (err) 190 return err; 191 } 192 193 if (MLX5_CAP_GEN(dev, vport_group_manager)) { 194 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH, 195 HCA_CAP_OPMOD_GET_CUR); 196 if (err) 197 return err; 198 err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH, 199 HCA_CAP_OPMOD_GET_MAX); 200 if (err) 201 return err; 202 } 203 204 err = mlx5_core_query_special_contexts(dev); 205 if (err) 206 return err; 207 208 return 0; 209 } 210 211 int mlx5_cmd_init_hca(struct mlx5_core_dev *dev) 212 { 213 u32 in[MLX5_ST_SZ_DW(init_hca_in)]; 214 u32 out[MLX5_ST_SZ_DW(init_hca_out)]; 215 216 memset(in, 0, sizeof(in)); 217 218 MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA); 219 220 memset(out, 0, sizeof(out)); 221 return mlx5_cmd_exec_check_status(dev, in, sizeof(in), 222 out, sizeof(out)); 223 } 224 225 int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev) 226 { 227 u32 in[MLX5_ST_SZ_DW(teardown_hca_in)]; 228 u32 out[MLX5_ST_SZ_DW(teardown_hca_out)]; 229 230 memset(in, 0, sizeof(in)); 231 232 MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA); 233 234 memset(out, 0, sizeof(out)); 235 return mlx5_cmd_exec_check_status(dev, in, sizeof(in), 236 out, sizeof(out)); 237 } 238