/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2015 Intel Corporation. * * Intel MIC Coprocessor State Management (COSM) Driver */ #ifndef _COSM_COSM_H_ #define _COSM_COSM_H_ #include <linux/scif.h> #include "../bus/cosm_bus.h" #define COSM_HEARTBEAT_SEND_SEC 30 #define SCIF_COSM_LISTEN_PORT 201 /** * enum COSM msg id's * @COSM_MSG_SHUTDOWN: host->card trigger shutdown * @COSM_MSG_SYNC_TIME: host->card send host time to card to sync time * @COSM_MSG_HEARTBEAT: card->host heartbeat * @COSM_MSG_SHUTDOWN_STATUS: card->host with shutdown status as payload */ enum cosm_msg_id { COSM_MSG_SHUTDOWN, COSM_MSG_SYNC_TIME, COSM_MSG_HEARTBEAT, COSM_MSG_SHUTDOWN_STATUS, }; struct cosm_msg { u64 id; union { u64 shutdown_status; struct { u64 tv_sec; u64 tv_nsec; } timespec; }; }; extern const char * const cosm_state_string[]; extern const char * const cosm_shutdown_status_string[]; void cosm_sysfs_init(struct cosm_device *cdev); int cosm_start(struct cosm_device *cdev); void cosm_stop(struct cosm_device *cdev, bool force); int cosm_reset(struct cosm_device *cdev); int cosm_shutdown(struct cosm_device *cdev); void cosm_set_state(struct cosm_device *cdev, u8 state); void cosm_set_shutdown_status(struct cosm_device *cdev, u8 status); void cosm_init_debugfs(void); void cosm_exit_debugfs(void); void cosm_create_debug_dir(struct cosm_device *cdev); void cosm_delete_debug_dir(struct cosm_device *cdev); int cosm_scif_init(void); void cosm_scif_exit(void); void cosm_scif_work(struct work_struct *work); #endif