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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 | // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2017-2018 NXP */ #include <linux/fsl/mc.h> #include "dpseci.h" #include "dpseci_cmd.h" /** * dpseci_open() - Open a control session for the specified object * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @dpseci_id: DPSECI unique ID * @token: Returned token; use in subsequent API calls * * This function can be used to open a control session for an already created * object; an object may have been declared statically in the DPL * or created dynamically. * This function returns a unique authentication token, associated with the * specific object ID and the specific MC portal; this token must be used in all * subsequent commands for this specific object. * * Return: '0' on success, error code otherwise */ int dpseci_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpseci_id, u16 *token) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_open *cmd_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_OPEN, cmd_flags, 0); cmd_params = (struct dpseci_cmd_open *)cmd.params; cmd_params->dpseci_id = cpu_to_le32(dpseci_id); err = mc_send_command(mc_io, &cmd); if (err) return err; *token = mc_cmd_hdr_read_token(&cmd); return 0; } /** * dpseci_close() - Close the control session of the object * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * After this function is called, no further operations are allowed on the * object without opening a new control session. * * Return: '0' on success, error code otherwise */ int dpseci_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_CLOSE, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_enable() - Enable the DPSECI, allow sending and receiving frames * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * Return: '0' on success, error code otherwise */ int dpseci_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_ENABLE, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_disable() - Disable the DPSECI, stop sending and receiving frames * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * * Return: '0' on success, error code otherwise */ int dpseci_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_DISABLE, cmd_flags, token); return mc_send_command(mc_io, &cmd); } /** * dpseci_is_enabled() - Check if the DPSECI is enabled. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @en: Returns '1' if object is enabled; '0' otherwise * * Return: '0' on success, error code otherwise */ int dpseci_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int *en) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_is_enabled *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_IS_ENABLED, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_is_enabled *)cmd.params; *en = dpseci_get_field(rsp_params->is_enabled, ENABLE); return 0; } /** * dpseci_get_attributes() - Retrieve DPSECI attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @attr: Returned object's attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpseci_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_get_attributes *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_ATTR, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_attributes *)cmd.params; attr->id = le32_to_cpu(rsp_params->id); attr->num_tx_queues = rsp_params->num_tx_queues; attr->num_rx_queues = rsp_params->num_rx_queues; attr->options = le32_to_cpu(rsp_params->options); return 0; } /** * dpseci_set_rx_queue() - Set Rx queue configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @queue: Select the queue relative to number of priorities configured at * DPSECI creation; use DPSECI_ALL_QUEUES to configure all * Rx queues identically. * @cfg: Rx queue configuration * * Return: '0' on success, error code otherwise */ int dpseci_set_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue, const struct dpseci_rx_queue_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_queue *cmd_params; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_SET_RX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_queue *)cmd.params; cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); cmd_params->priority = cfg->dest_cfg.priority; cmd_params->queue = queue; dpseci_set_field(cmd_params->dest_type, DEST_TYPE, cfg->dest_cfg.dest_type); cmd_params->user_ctx = cpu_to_le64(cfg->user_ctx); cmd_params->options = cpu_to_le32(cfg->options); dpseci_set_field(cmd_params->order_preservation_en, ORDER_PRESERVATION, cfg->order_preservation_en); return mc_send_command(mc_io, &cmd); } /** * dpseci_get_rx_queue() - Retrieve Rx queue attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @queue: Select the queue relative to number of priorities configured at * DPSECI creation * @attr: Returned Rx queue attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_rx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue, struct dpseci_rx_queue_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_queue *cmd_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_RX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_queue *)cmd.params; cmd_params->queue = queue; err = mc_send_command(mc_io, &cmd); if (err) return err; attr->dest_cfg.dest_id = le32_to_cpu(cmd_params->dest_id); attr->dest_cfg.priority = cmd_params->priority; attr->dest_cfg.dest_type = dpseci_get_field(cmd_params->dest_type, DEST_TYPE); attr->user_ctx = le64_to_cpu(cmd_params->user_ctx); attr->fqid = le32_to_cpu(cmd_params->fqid); attr->order_preservation_en = dpseci_get_field(cmd_params->order_preservation_en, ORDER_PRESERVATION); return 0; } /** * dpseci_get_tx_queue() - Retrieve Tx queue attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @queue: Select the queue relative to number of priorities configured at * DPSECI creation * @attr: Returned Tx queue attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_tx_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 queue, struct dpseci_tx_queue_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_queue *cmd_params; struct dpseci_rsp_get_tx_queue *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_TX_QUEUE, cmd_flags, token); cmd_params = (struct dpseci_cmd_queue *)cmd.params; cmd_params->queue = queue; err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_tx_queue *)cmd.params; attr->fqid = le32_to_cpu(rsp_params->fqid); attr->priority = rsp_params->priority; return 0; } /** * dpseci_get_sec_attr() - Retrieve SEC accelerator attributes * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @attr: Returned SEC attributes * * Return: '0' on success, error code otherwise */ int dpseci_get_sec_attr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpseci_sec_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_get_sec_attr *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_SEC_ATTR, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_sec_attr *)cmd.params; attr->ip_id = le16_to_cpu(rsp_params->ip_id); attr->major_rev = rsp_params->major_rev; attr->minor_rev = rsp_params->minor_rev; attr->era = rsp_params->era; attr->deco_num = rsp_params->deco_num; attr->zuc_auth_acc_num = rsp_params->zuc_auth_acc_num; attr->zuc_enc_acc_num = rsp_params->zuc_enc_acc_num; attr->snow_f8_acc_num = rsp_params->snow_f8_acc_num; attr->snow_f9_acc_num = rsp_params->snow_f9_acc_num; attr->crc_acc_num = rsp_params->crc_acc_num; attr->pk_acc_num = rsp_params->pk_acc_num; attr->kasumi_acc_num = rsp_params->kasumi_acc_num; attr->rng_acc_num = rsp_params->rng_acc_num; attr->md_acc_num = rsp_params->md_acc_num; attr->arc4_acc_num = rsp_params->arc4_acc_num; attr->des_acc_num = rsp_params->des_acc_num; attr->aes_acc_num = rsp_params->aes_acc_num; attr->ccha_acc_num = rsp_params->ccha_acc_num; attr->ptha_acc_num = rsp_params->ptha_acc_num; return 0; } /** * dpseci_get_api_version() - Get Data Path SEC Interface API version * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @major_ver: Major version of data path sec API * @minor_ver: Minor version of data path sec API * * Return: '0' on success, error code otherwise */ int dpseci_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 *major_ver, u16 *minor_ver) { struct fsl_mc_command cmd = { 0 }; struct dpseci_rsp_get_api_version *rsp_params; int err; cmd.header = mc_encode_cmd_header(DPSECI_CMDID_GET_API_VERSION, cmd_flags, 0); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_rsp_get_api_version *)cmd.params; *major_ver = le16_to_cpu(rsp_params->major); *minor_ver = le16_to_cpu(rsp_params->minor); return 0; } /** * dpseci_set_congestion_notification() - Set congestion group * notification configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @cfg: congestion notification configuration * * Return: '0' on success, error code otherwise */ int dpseci_set_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const struct dpseci_congestion_notification_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_congestion_notification *cmd_params; cmd.header = mc_encode_cmd_header( DPSECI_CMDID_SET_CONGESTION_NOTIFICATION, cmd_flags, token); cmd_params = (struct dpseci_cmd_congestion_notification *)cmd.params; cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id); cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode); cmd_params->priority = cfg->dest_cfg.priority; dpseci_set_field(cmd_params->options, CGN_DEST_TYPE, cfg->dest_cfg.dest_type); dpseci_set_field(cmd_params->options, CGN_UNITS, cfg->units); cmd_params->message_iova = cpu_to_le64(cfg->message_iova); cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx); cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry); cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit); return mc_send_command(mc_io, &cmd); } /** * dpseci_get_congestion_notification() - Get congestion group notification * configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPSECI object * @cfg: congestion notification configuration * * Return: '0' on success, error code otherwise */ int dpseci_get_congestion_notification(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpseci_congestion_notification_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpseci_cmd_congestion_notification *rsp_params; int err; cmd.header = mc_encode_cmd_header( DPSECI_CMDID_GET_CONGESTION_NOTIFICATION, cmd_flags, token); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpseci_cmd_congestion_notification *)cmd.params; cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id); cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode); cfg->dest_cfg.priority = rsp_params->priority; cfg->dest_cfg.dest_type = dpseci_get_field(rsp_params->options, CGN_DEST_TYPE); cfg->units = dpseci_get_field(rsp_params->options, CGN_UNITS); cfg->message_iova = le64_to_cpu(rsp_params->message_iova); cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx); cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry); cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit); return 0; } |