| /* |
| <:copyright-BRCM:2016:DUAL/GPL:standard |
| |
| Broadcom Proprietary and Confidential.(c) 2016 Broadcom |
| All Rights Reserved |
| |
| Unless you and Broadcom execute a separate written software license |
| agreement governing use of this software, this software is licensed |
| to you under the terms of the GNU General Public License version 2 |
| (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| with the following added to such license: |
| |
| As a special exception, the copyright holders of this software give |
| you permission to link this software with independent modules, and |
| to copy and distribute the resulting executable under terms of your |
| choice, provided that you also meet, for each linked independent |
| module, the terms and conditions of the license of that module. |
| An independent module is a module which is not derived from this |
| software. The special exception does not apply to any modifications |
| of the software. |
| |
| Not withstanding the above, under no circumstances may you combine |
| this software in any way with any other Broadcom software provided |
| under a license other than the GPL, without Broadcom's express prior |
| written consent. |
| |
| :> |
| */ |
| |
| #include <bcmos_system.h> |
| #include <bcm_dev_log.h> |
| #include <bcmolt_api.h> |
| #include <bcmolt_model_types.h> |
| #include "bcmolt_user_appl_remote_logger.h" |
| |
| static struct |
| { |
| FILE *file_handle; |
| uint64_t file_size; |
| bcmolt_remote_logger_cfg cfg; |
| bcmos_task task; |
| bcmos_timer timer; |
| dev_log_id log_id; |
| } remote_logger[BCMTR_MAX_OLTS] = {}; |
| |
| static bcmos_timer_rc remote_logger_timer_handler(bcmos_timer *timer, long data) |
| { |
| bcmolt_devid device = (bcmolt_devid)data; |
| int written; |
| bcmos_errno err; |
| bcmolt_logger_cfg cfg; |
| bcmolt_logger_key key = { .file_id = BCMOLT_LOG_FILE_ID_DDR }; |
| |
| BCMOLT_CFG_INIT(&cfg, logger, key); |
| BCMOLT_CFG_PROP_GET(&cfg, logger, buffer); |
| err = bcmolt_cfg_get(device, &cfg.hdr); |
| if (err != BCM_ERR_OK) |
| { |
| BCM_LOG(ERROR, remote_logger[device].log_id, "Logger get API returned '%s' (%d)\n", bcmos_strerror(err), err); |
| bcmolt_remote_logger_appl_stop(device); |
| return BCMOS_TIMER_OK; |
| } |
| |
| written = fprintf( |
| remote_logger[device].file_handle, |
| "%.*s", |
| (int)sizeof(cfg.data.buffer.buff), |
| cfg.data.buffer.buff); |
| if (written < 0) |
| { |
| BCM_LOG(ERROR, remote_logger[device].log_id, "File write returned %d\n", written); |
| bcmolt_remote_logger_appl_stop(device); |
| return BCMOS_TIMER_OK; |
| } |
| |
| fflush(remote_logger[device].file_handle); |
| |
| /* Check to see if we will exceed the max file size next time we write a chunk. */ |
| remote_logger[device].file_size += written; |
| if (remote_logger[device].file_size + sizeof(cfg.data.buffer.buff) > remote_logger[device].cfg.max_file_size) |
| { |
| switch (remote_logger[device].cfg.max_file_size_reached_behavior) |
| { |
| case BCMOLT_REMOTE_LOGGER_FILE_SIZE_REACHED_BEHAVIOR_STOP: |
| BCM_LOG(INFO, remote_logger[device].log_id, "Max file size reached - remote logger stopped\n"); |
| bcmolt_remote_logger_appl_stop(device); |
| return BCMOS_TIMER_OK; |
| case BCMOLT_REMOTE_LOGGER_FILE_SIZE_REACHED_BEHAVIOR_CLEAR: |
| BCM_LOG(INFO, remote_logger[device].log_id, "Max file size reached - log file cleared\n"); |
| /* the easiest way to clear the file is to close/re-open it */ |
| fclose(remote_logger[device].file_handle); |
| remote_logger[device].file_handle = fopen(remote_logger[device].cfg.filename, "w"); |
| BUG_ON(remote_logger[device].file_handle == NULL); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (cfg.data.buffer.msg_to_read == 0) |
| { |
| /* There are no more messages to read right now, wait for the entire polling interval. */ |
| bcmos_timer_start( |
| &remote_logger[device].timer, |
| remote_logger[device].cfg.polling_period_ms * 1000); /* ms to us */ |
| } |
| else |
| { |
| /* There are more messages to read - wait for only the 'subsequent delay' time. */ |
| bcmos_timer_start( |
| &remote_logger[device].timer, |
| remote_logger[device].cfg.subsequent_delay_ms * 1000); /* ms to us */ |
| } |
| |
| return BCMOS_TIMER_OK; |
| } |
| |
| void bcmolt_remote_logger_appl_init() |
| { |
| static bcmos_task_parm task_params = |
| { |
| .priority = TASK_PRIORITY_USER_APPL_REMOTE_LOGGER, |
| .core = BCMOS_CPU_CORE_ANY, /* No CPU affinity */ |
| .init_handler = NULL |
| }; |
| static bcmos_module_parm module_params = |
| { |
| .qparm = { .size = 1 } /* just the timer message */ |
| }; |
| static bcmos_timer_parm timer_params = |
| { |
| .periodic = BCMOS_FALSE, /* we will re-enable the timer after each tick */ |
| .handler = remote_logger_timer_handler |
| }; |
| |
| bcmos_errno err; |
| bcmolt_devid device; |
| |
| for (device = 0; device < BCMTR_MAX_OLTS; device++) |
| { |
| bcmos_module_id module_id = BCMOS_MODULE_ID_USER_APPL_REMOTE_LOGGER_DEV0 + device; |
| snprintf( |
| remote_logger[device].task.name, |
| sizeof(remote_logger[device].task.name), |
| "user_appl_remote_logger%u", |
| device); |
| |
| task_params.name = remote_logger[device].task.name; |
| module_params.qparm.name = remote_logger[device].task.name; |
| timer_params.owner = module_id; |
| timer_params.name = remote_logger[device].task.name; |
| timer_params.data = (long)device; |
| |
| err = bcmos_task_create(&remote_logger[device].task, &task_params); |
| BUG_ON(err != BCM_ERR_OK); |
| |
| err = bcmos_module_create(module_id, &remote_logger[device].task, &module_params); |
| BUG_ON(err != BCM_ERR_OK); |
| |
| err = bcmos_timer_create(&remote_logger[device].timer, &timer_params); |
| BUG_ON(err != BCM_ERR_OK); |
| |
| remote_logger[device].log_id = |
| bcm_dev_log_id_register(remote_logger[device].task.name, DEV_LOG_LEVEL_WARNING, DEV_LOG_ID_TYPE_BOTH); |
| } |
| } |
| |
| bcmos_errno bcmolt_remote_logger_appl_start(bcmolt_devid device) |
| { |
| bcmos_errno err; |
| bcmolt_logger_cfg cfg; |
| bcmolt_logger_key key = { .file_id = BCMOLT_LOG_FILE_ID_DDR }; |
| |
| if (bcmolt_remote_logger_appl_is_running(device)) |
| { |
| BCM_LOG(ERROR, remote_logger[device].log_id, "Remote logger application is already running.\n"); |
| return BCM_ERR_ALREADY; |
| } |
| |
| /* configure DDR log file to clear on read so we can always stay up-to-date */ |
| BCMOLT_CFG_INIT(&cfg, logger, key); |
| BCMOLT_CFG_PROP_SET(&cfg, logger, enable_log, BCMOS_TRUE); |
| BCMOLT_CFG_PROP_SET(&cfg, logger, clear_after_read, BCMOS_TRUE); |
| err = bcmolt_cfg_set(0, &cfg.hdr); |
| if (err != BCM_ERR_OK) |
| { |
| BCM_LOG(ERROR, remote_logger[device].log_id, "Logger set API returned '%s' (%d)\n", bcmos_strerror(err), err); |
| return err; |
| } |
| |
| remote_logger[device].file_handle = fopen(remote_logger[device].cfg.filename, "w"); |
| if (remote_logger[device].file_handle == NULL) |
| { |
| BCM_LOG(ERROR, remote_logger[device].log_id, "Could not open file '%s'\n", remote_logger[device].cfg.filename); |
| return BCM_ERR_IO; |
| } |
| remote_logger[device].file_size = 0; |
| |
| bcmos_timer_start(&remote_logger[device].timer, remote_logger[device].cfg.polling_period_ms * 1000); /* ms to us */ |
| return BCM_ERR_OK; |
| } |
| |
| bcmos_errno bcmolt_remote_logger_appl_stop(bcmolt_devid device) |
| { |
| if (!bcmolt_remote_logger_appl_is_running(device)) |
| { |
| BCM_LOG(ERROR, remote_logger[device].log_id, "Remote logger application is not running.\n"); |
| return BCM_ERR_ALREADY; |
| } |
| |
| bcmos_timer_stop(&remote_logger[device].timer); |
| fclose(remote_logger[device].file_handle); |
| remote_logger[device].file_handle = NULL; |
| return BCM_ERR_OK; |
| } |
| |
| bcmos_bool bcmolt_remote_logger_appl_is_running(bcmolt_devid device) |
| { |
| return bcmos_timer_is_running(&remote_logger[device].timer); |
| } |
| |
| bcmos_errno bcmolt_remote_logger_appl_cfg_get(bcmolt_devid device, bcmolt_remote_logger_cfg *cfg) |
| { |
| *cfg = remote_logger[device].cfg; |
| return BCM_ERR_OK; |
| } |
| |
| bcmos_errno bcmolt_remote_logger_appl_cfg_update(bcmolt_devid device, const bcmolt_remote_logger_cfg *cfg) |
| { |
| remote_logger[device].cfg = *cfg; |
| return BCM_ERR_OK; |
| } |