Shad Ansari | 2f7f9be | 2017-06-07 13:34:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | <:copyright-BRCM:2016:DUAL/GPL:standard |
| 3 | |
| 4 | Broadcom Proprietary and Confidential.(c) 2016 Broadcom |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Unless you and Broadcom execute a separate written software license |
| 8 | agreement governing use of this software, this software is licensed |
| 9 | to you under the terms of the GNU General Public License version 2 |
| 10 | (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| 11 | with the following added to such license: |
| 12 | |
| 13 | As a special exception, the copyright holders of this software give |
| 14 | you permission to link this software with independent modules, and |
| 15 | to copy and distribute the resulting executable under terms of your |
| 16 | choice, provided that you also meet, for each linked independent |
| 17 | module, the terms and conditions of the license of that module. |
| 18 | An independent module is a module which is not derived from this |
| 19 | software. The special exception does not apply to any modifications |
| 20 | of the software. |
| 21 | |
| 22 | Not withstanding the above, under no circumstances may you combine |
| 23 | this software in any way with any other Broadcom software provided |
| 24 | under a license other than the GPL, without Broadcom's express prior |
| 25 | written consent. |
| 26 | |
| 27 | :> |
| 28 | */ |
| 29 | |
| 30 | #define HOST_API_CAPTURE 0 |
| 31 | |
| 32 | #include "bcmos_system.h" |
| 33 | #include "bcmolt_api.h" |
| 34 | #include "bcmolt_msg.h" |
| 35 | #include "bcmolt_tr_mux.h" |
| 36 | #if HOST_API_CAPTURE |
| 37 | #include "bcmolt_debug_api_common.h" |
| 38 | #endif |
| 39 | #include "bcmolt_dev_ctrl.h" |
| 40 | #include "bcmolt_debug_ctrl.h" |
| 41 | |
| 42 | #define API_CAPTURE_PROP_MASK\ |
| 43 | ((1ULL << BCMOLT_DEBUG_CFG_ID_API_CAPTURE_CFG) |\ |
| 44 | (1ULL << BCMOLT_DEBUG_CFG_ID_API_CAPTURE_STATS) |\ |
| 45 | (1ULL << BCMOLT_DEBUG_CFG_ID_API_CAPTURE_BUFFER_READ) |\ |
| 46 | (1ULL << BCMOLT_DEBUG_CFG_ID_API_CAPTURE_BUFFER)) |
| 47 | |
| 48 | typedef struct |
| 49 | { |
| 50 | bcmos_bool waiting_for_ack; |
| 51 | bcmolt_msg *last_message; |
| 52 | bcmos_timer ack_timeout; |
| 53 | #if HOST_API_CAPTURE |
| 54 | bcmolt_debug_api_db db; |
| 55 | debug_trans_handle *handle; |
| 56 | #endif |
| 57 | } debug_ctrl_ctxt; |
| 58 | |
| 59 | static debug_ctrl_ctxt debug_ctrl[BCMTR_MAX_OLTS]; |
| 60 | |
| 61 | static void send_to_host(bcmolt_devid device, bcmolt_msg *msg) |
| 62 | { |
| 63 | msg->dir = BCMOLT_MSG_DIR_RESPONSE; |
| 64 | bcmtrmux_control_to_host(device, msg); |
| 65 | bcmolt_msg_free(msg); |
| 66 | } |
| 67 | |
| 68 | static void send_to_device(bcmolt_devid device, bcmolt_msg *msg) |
| 69 | { |
| 70 | debug_ctrl[device].waiting_for_ack = BCMOS_TRUE; |
| 71 | debug_ctrl[device].last_message = msg; |
| 72 | bcmtrmux_control_to_line(device, msg); |
| 73 | bcmos_timer_start(&debug_ctrl[device].ack_timeout, DEVICE_RESPONSE_TIMEOUT_LENGTH); |
| 74 | } |
| 75 | |
| 76 | static bcmos_bool bcmolt_debug_ctrl_cfg_requires_connection(bcmolt_msg *msg, const bcmolt_debug_cfg_data *cfg) |
| 77 | { |
| 78 | return (((msg->presence_mask & ~API_CAPTURE_PROP_MASK) != 0) || /* includes non-API capture elements, or ... */ |
| 79 | (((msg->presence_mask & API_CAPTURE_PROP_MASK) != 0) && /* includes API captue elements and ... */ |
| 80 | (cfg->api_capture_cfg.location == BCMOLT_API_CAPTURE_LOCATION_DEVICE))); /* capture location is device */ |
| 81 | } |
| 82 | |
| 83 | static void bcmolt_debug_ctrl_send_cfg_get_response(bcmolt_devid device, bcmolt_msg *msg) |
| 84 | { |
| 85 | #if HOST_API_CAPTURE |
| 86 | if (debug_ctrl[device].db.cfg.api_capture_cfg.location == BCMOLT_API_CAPTURE_LOCATION_HOST) |
| 87 | { |
| 88 | bcmolt_debug_api_common_get(device, msg, &debug_ctrl[device].db); |
| 89 | } |
| 90 | #endif |
| 91 | send_to_host(device, msg); |
| 92 | } |
| 93 | |
| 94 | static void bcmolt_debug_ctrl_handle_cfg_get(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 95 | { |
| 96 | #if HOST_API_CAPTURE |
| 97 | if (bcmolt_debug_ctrl_cfg_requires_connection(msg, &debug_ctrl[device].db.cfg)) |
| 98 | #endif |
| 99 | { |
| 100 | if (connected) |
| 101 | { |
| 102 | send_to_device(device, msg); |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | bcmolt_msg_err( |
| 107 | msg, |
| 108 | DEV_LOG_INVALID_ID, |
| 109 | BCM_ERR_NOT_CONNECTED, |
| 110 | BCMOLT_ERR_FIELD_NONE, |
| 111 | "Cannot access embedded parameters while disconnected"); |
| 112 | } |
| 113 | |
| 114 | bcmolt_debug_ctrl_send_cfg_get_response(device, msg); |
| 115 | } |
| 116 | |
| 117 | static void bcmolt_debug_ctrl_send_cfg_set_response(bcmolt_devid device, bcmolt_msg *msg) |
| 118 | { |
| 119 | #if HOST_API_CAPTURE |
| 120 | if (msg->err == BCM_ERR_OK) |
| 121 | { |
| 122 | bcmolt_debug_api_common_cfg_trans_succeed(device, debug_ctrl[device].handle); |
| 123 | } |
| 124 | else |
| 125 | { |
| 126 | bcmolt_debug_api_common_cfg_trans_fail(&debug_ctrl[device].db, debug_ctrl[device].handle); |
| 127 | } |
| 128 | #endif |
| 129 | |
| 130 | send_to_host(device, msg); |
| 131 | } |
| 132 | |
| 133 | static void bcmolt_debug_ctrl_handle_cfg_set(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 134 | { |
| 135 | bcmolt_debug_cfg *cfg = (bcmolt_debug_cfg*)msg; |
| 136 | bcmolt_debug_cfg_id prop_id; |
| 137 | bcmos_errno err; |
| 138 | |
| 139 | if (!bcmolt_debug_cfg_data_bounds_check(&cfg->data, msg->presence_mask, &prop_id)) |
| 140 | { |
| 141 | err = BCM_ERR_RANGE; |
| 142 | msg->err_field_idx = (uint16_t)prop_id; |
| 143 | send_to_host(device, msg); |
| 144 | return; |
| 145 | } |
| 146 | |
| 147 | #if HOST_API_CAPTURE |
| 148 | debug_ctrl[device].handle = bcmolt_debug_api_common_cfg_trans_start(&debug_ctrl[device].db); |
| 149 | err = bcmolt_debug_api_common_set(device, msg, &cfg->data, debug_ctrl[device].handle, BCMOLT_API_CAPTURE_LOCATION_HOST); |
| 150 | #else |
| 151 | if (BCMOLT_CFG_PROP_IS_SET(cfg, debug, api_capture_cfg) && |
| 152 | (cfg->data.api_capture_cfg.location == BCMOLT_API_CAPTURE_LOCATION_HOST)) |
| 153 | { |
| 154 | err = bcmolt_msg_err( |
| 155 | msg, |
| 156 | DEV_LOG_INVALID_ID, |
| 157 | BCM_ERR_NOT_SUPPORTED, |
| 158 | BCMOLT_ERR_FIELD_NONE, |
| 159 | "Host API capture not supported yet"); |
| 160 | } |
| 161 | else |
| 162 | { |
| 163 | err = BCM_ERR_OK; |
| 164 | } |
| 165 | #endif |
| 166 | if (err == BCM_ERR_OK) |
| 167 | { |
| 168 | if (bcmolt_debug_ctrl_cfg_requires_connection(msg, &cfg->data)) |
| 169 | { |
| 170 | if (connected) |
| 171 | { |
| 172 | send_to_device(device, msg); |
| 173 | return; |
| 174 | } |
| 175 | |
| 176 | bcmolt_msg_err( |
| 177 | msg, |
| 178 | DEV_LOG_INVALID_ID, |
| 179 | BCM_ERR_NOT_CONNECTED, |
| 180 | BCMOLT_ERR_FIELD_NONE, |
| 181 | "Cannot access embedded parameters while disconnected"); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | bcmolt_debug_ctrl_send_cfg_set_response(device, msg); |
| 186 | } |
| 187 | |
| 188 | static void bcmolt_debug_ctrl_handle_cfg_clear(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 189 | { |
| 190 | #if HOST_API_CAPTURE |
| 191 | bcmolt_debug_cfg *cfg = (bcmolt_debug_cfg*)msg; |
| 192 | #endif |
| 193 | bcmos_errno err; |
| 194 | |
| 195 | if (!connected) |
| 196 | { |
| 197 | bcmolt_msg_err( |
| 198 | msg, |
| 199 | DEV_LOG_INVALID_ID, |
| 200 | BCM_ERR_NOT_CONNECTED, |
| 201 | BCMOLT_ERR_FIELD_NONE, |
| 202 | "Cannot access embedded parameters while disconnected"); |
| 203 | send_to_host(device, msg); |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | #if HOST_API_CAPTURE |
| 208 | debug_ctrl[device].handle = bcmolt_debug_api_common_cfg_trans_start(&debug_ctrl[device].db); |
| 209 | bcmolt_debug_cfg_data_set_default(&debug_ctrl[device].db.cfg, BCMOLT_PRESENCE_MASK_ALL); |
| 210 | msg->presence_mask = BCMOLT_PRESENCE_MASK_ALL; |
| 211 | err = bcmolt_debug_api_common_set(device, msg, &cfg->data, debug_ctrl[device].handle, BCMOLT_API_CAPTURE_LOCATION_HOST); |
| 212 | #else |
| 213 | err = BCM_ERR_OK; |
| 214 | #endif |
| 215 | if (err == BCM_ERR_OK) |
| 216 | { |
| 217 | send_to_device(device, msg); |
| 218 | } |
| 219 | else |
| 220 | { |
| 221 | bcmolt_debug_ctrl_send_cfg_set_response(device, msg); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | static void bcmolt_debug_ctrl_handle_cfg(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 226 | { |
| 227 | switch (msg->type) |
| 228 | { |
| 229 | case BCMOLT_MSG_TYPE_GET: |
| 230 | bcmolt_debug_ctrl_handle_cfg_get(device, msg, connected); |
| 231 | break; |
| 232 | case BCMOLT_MSG_TYPE_SET: |
| 233 | bcmolt_debug_ctrl_handle_cfg_set(device, msg, connected); |
| 234 | break; |
| 235 | case BCMOLT_MSG_TYPE_CLEAR: |
| 236 | bcmolt_debug_ctrl_handle_cfg_clear(device, msg, connected); |
| 237 | break; |
| 238 | default: |
| 239 | bcmolt_msg_err( |
| 240 | msg, |
| 241 | DEV_LOG_INVALID_ID, |
| 242 | BCM_ERR_NOT_SUPPORTED, |
| 243 | BCMOLT_ERR_FIELD_NONE, |
| 244 | "Unsupported message type (%u)", |
| 245 | msg->type); |
| 246 | send_to_host(device, msg); |
| 247 | break; |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | static void bcmolt_debug_ctrl_handle_oper(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 252 | { |
| 253 | #if HOST_API_CAPTURE |
| 254 | bcmos_bool host_api_capture = |
| 255 | (debug_ctrl[device].db.cfg.api_capture_cfg.location == BCMOLT_API_CAPTURE_LOCATION_HOST); |
| 256 | |
| 257 | switch (msg->subgroup) |
| 258 | { |
| 259 | case BCMOLT_DEBUG_OPER_ID_START_API_CAPTURE: |
| 260 | if (host_api_capture) |
| 261 | { |
| 262 | msg->err = bcmolt_debug_api_common_oper_start_api_capture(device, msg); |
| 263 | send_to_host(device, msg); |
| 264 | return; |
| 265 | } |
| 266 | break; |
| 267 | case BCMOLT_DEBUG_OPER_ID_STOP_API_CAPTURE: |
| 268 | if (host_api_capture) |
| 269 | { |
| 270 | msg->err = bcmolt_debug_api_common_oper_stop_api_capture(device, msg, &debug_ctrl[device].db); |
| 271 | send_to_host(device, msg); |
| 272 | return; |
| 273 | } |
| 274 | break; |
| 275 | case BCMOLT_DEBUG_OPER_ID_RESET_API_CAPTURE: |
| 276 | if (host_api_capture) |
| 277 | { |
| 278 | msg->err = bcmolt_debug_api_common_oper_reset_api_capture(device, msg, &debug_ctrl[device].db); |
| 279 | send_to_host(device, msg); |
| 280 | return; |
| 281 | } |
| 282 | break; |
| 283 | default: |
| 284 | break; |
| 285 | } |
| 286 | #endif |
| 287 | |
| 288 | if (!connected) |
| 289 | { |
| 290 | bcmolt_msg_err( |
| 291 | msg, |
| 292 | DEV_LOG_INVALID_ID, |
| 293 | BCM_ERR_NOT_CONNECTED, |
| 294 | BCMOLT_ERR_FIELD_NONE, |
| 295 | "Cannot perform embedded operations while disconnected"); |
| 296 | send_to_host(device, msg); |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | send_to_device(device, msg); |
| 301 | } |
| 302 | |
| 303 | static void bcmolt_debug_ctrl_handle_auto_cfg(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 304 | { |
| 305 | if (!connected) |
| 306 | { |
| 307 | bcmolt_msg_err( |
| 308 | msg, |
| 309 | DEV_LOG_INVALID_ID, |
| 310 | BCM_ERR_NOT_CONNECTED, |
| 311 | BCMOLT_ERR_FIELD_NONE, |
| 312 | "Cannot access embedded parameters while disconnected"); |
| 313 | send_to_host(device, msg); |
| 314 | return; |
| 315 | } |
| 316 | |
| 317 | send_to_device(device, msg); |
| 318 | } |
| 319 | |
| 320 | static void bcmolt_debug_ctrl_handle_request(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 321 | { |
| 322 | if (debug_ctrl[device].waiting_for_ack) |
| 323 | { |
| 324 | bcmolt_msg_err( |
| 325 | msg, |
| 326 | DEV_LOG_INVALID_ID, |
| 327 | BCM_ERR_TOO_MANY_REQS, |
| 328 | BCMOLT_ERR_FIELD_NONE, |
| 329 | "Transaction in progress on debug object"); |
| 330 | send_to_host(device, msg); |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | switch (msg->group) |
| 335 | { |
| 336 | case BCMOLT_MGT_GROUP_CFG: |
| 337 | bcmolt_debug_ctrl_handle_cfg(device, msg, connected); |
| 338 | break; |
| 339 | case BCMOLT_MGT_GROUP_OPER: |
| 340 | bcmolt_debug_ctrl_handle_oper(device, msg, connected); |
| 341 | break; |
| 342 | case BCMOLT_MGT_GROUP_AUTO_CFG: |
| 343 | bcmolt_debug_ctrl_handle_auto_cfg(device, msg, connected); |
| 344 | break; |
| 345 | default: |
| 346 | bcmolt_msg_err( |
| 347 | msg, |
| 348 | DEV_LOG_INVALID_ID, |
| 349 | BCM_ERR_NOT_SUPPORTED, |
| 350 | BCMOLT_ERR_FIELD_NONE, |
| 351 | "Unsupported group (%u)", |
| 352 | msg->group); |
| 353 | send_to_host(device, msg); |
| 354 | break; |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | static void bcmolt_debug_ctrl_handle_response(bcmolt_devid device, bcmolt_msg *msg) |
| 359 | { |
| 360 | if (!debug_ctrl[device].waiting_for_ack || (msg->corr_tag != debug_ctrl[device].last_message->corr_tag)) |
| 361 | { |
| 362 | msg->subch = BCMTRMUX_CHANNEL_AUTO_PROXY; |
| 363 | send_to_host(device, msg); |
| 364 | return; |
| 365 | } |
| 366 | |
| 367 | msg->subch = debug_ctrl[device].last_message->subch; |
| 368 | bcmos_timer_stop(&debug_ctrl[device].ack_timeout); |
| 369 | debug_ctrl[device].waiting_for_ack = BCMOS_FALSE; |
| 370 | bcmolt_msg_free(debug_ctrl[device].last_message); |
| 371 | |
| 372 | if (msg->err != BCM_ERR_OK) |
| 373 | { |
| 374 | send_to_host(device, msg); |
| 375 | return; |
| 376 | } |
| 377 | |
| 378 | switch (msg->group) |
| 379 | { |
| 380 | case BCMOLT_MGT_GROUP_CFG: |
| 381 | switch (msg->type) |
| 382 | { |
| 383 | case BCMOLT_MSG_TYPE_GET: |
| 384 | bcmolt_debug_ctrl_send_cfg_get_response(device, msg); |
| 385 | break; |
| 386 | case BCMOLT_MSG_TYPE_SET: |
| 387 | bcmolt_debug_ctrl_send_cfg_set_response(device, msg); |
| 388 | break; |
| 389 | case BCMOLT_MSG_TYPE_CLEAR: |
| 390 | bcmolt_debug_ctrl_send_cfg_set_response(device, msg); |
| 391 | break; |
| 392 | default: |
| 393 | BCMOS_TRACE_ERR("Got unexpected response type (%u) from embedded\n", msg->group); |
| 394 | send_to_host(device, msg); |
| 395 | break; |
| 396 | } |
| 397 | break; |
| 398 | case BCMOLT_MGT_GROUP_OPER: |
| 399 | case BCMOLT_MGT_GROUP_AUTO_CFG: |
| 400 | send_to_host(device, msg); |
| 401 | break; |
| 402 | default: |
| 403 | BCMOS_TRACE_ERR("Got unexpected response group (%u) from embedded\n", msg->group); |
| 404 | send_to_host(device, msg); |
| 405 | break; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | static bcmos_timer_rc bcmolt_debug_ctrl_handle_ack_timeout(bcmos_timer *timer, long data) |
| 410 | { |
| 411 | bcmolt_devid device = (bcmolt_devid)data; |
| 412 | |
| 413 | if (debug_ctrl[device].last_message == NULL) |
| 414 | { |
| 415 | BCMOS_TRACE_ERR("Waiting with no message!\n"); |
| 416 | return BCMOS_TIMER_OK; |
| 417 | } |
| 418 | |
| 419 | bcmolt_msg_err( |
| 420 | debug_ctrl[device].last_message, |
| 421 | DEV_LOG_INVALID_ID, |
| 422 | BCM_ERR_INTERNAL, |
| 423 | BCMOLT_ERR_FIELD_NONE, |
| 424 | "Did not receive response from embedded"); |
| 425 | send_to_host(device, debug_ctrl [device].last_message); |
| 426 | |
| 427 | return BCMOS_TIMER_OK; |
| 428 | } |
| 429 | |
| 430 | void bcmolt_debug_ctrl_process_msg(bcmolt_devid device, bcmolt_msg *msg, bcmos_bool connected) |
| 431 | { |
| 432 | switch (msg->dir) |
| 433 | { |
| 434 | case BCMOLT_MSG_DIR_REQUEST: |
| 435 | bcmolt_debug_ctrl_handle_request(device, msg, connected); |
| 436 | break; |
| 437 | case BCMOLT_MSG_DIR_RESPONSE: |
| 438 | bcmolt_debug_ctrl_handle_response(device, msg); |
| 439 | break; |
| 440 | default: |
| 441 | BCMOS_TRACE_ERR("Unsupported direction: %u\n", msg->dir); |
| 442 | bcmolt_msg_free(msg); |
| 443 | break; |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | void bcmolt_debug_ctrl_init(void) |
| 448 | { |
| 449 | bcmolt_devid i; |
| 450 | |
| 451 | for (i = 0; i < BCMTR_MAX_OLTS; i++) |
| 452 | { |
| 453 | bcmos_timer_parm tp = |
| 454 | { |
| 455 | .name = "debug_ctrl_ack_timeout", |
| 456 | .owner = BCMOS_MODULE_ID_DEV_CTRL_DEV0 + i, |
| 457 | .periodic = BCMOS_FALSE, |
| 458 | .handler = bcmolt_debug_ctrl_handle_ack_timeout, |
| 459 | .data = (long)i, |
| 460 | .flags = BCMOS_TIMER_PARM_FLAGS_URGENT, |
| 461 | }; |
| 462 | |
| 463 | debug_ctrl[i].waiting_for_ack = BCMOS_FALSE; |
| 464 | bcmos_timer_create(&debug_ctrl[i].ack_timeout, &tp); |
| 465 | #if HOST_API_CAPTURE |
| 466 | bcmolt_debug_api_common_init(i, &debug_ctrl[i].db); |
| 467 | #endif |
| 468 | } |
| 469 | } |