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/*
* Intel MIC Platform Software Stack (MPSS)
*
* Copyright(c) 2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* 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 timespec64 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
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