74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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* Intel MIC Platform Software Stack (MPSS)
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*
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* Copyright(c) 2015 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Intel MIC Coprocessor State Management (COSM) Driver
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*
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*/
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#ifndef _COSM_COSM_H_
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#define _COSM_COSM_H_
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#include <linux/scif.h>
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#include "../bus/cosm_bus.h"
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#define COSM_HEARTBEAT_SEND_SEC 30
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#define SCIF_COSM_LISTEN_PORT 201
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/**
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* enum COSM msg id's
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* @COSM_MSG_SHUTDOWN: host->card trigger shutdown
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* @COSM_MSG_SYNC_TIME: host->card send host time to card to sync time
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* @COSM_MSG_HEARTBEAT: card->host heartbeat
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* @COSM_MSG_SHUTDOWN_STATUS: card->host with shutdown status as payload
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*/
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enum cosm_msg_id {
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COSM_MSG_SHUTDOWN,
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COSM_MSG_SYNC_TIME,
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COSM_MSG_HEARTBEAT,
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COSM_MSG_SHUTDOWN_STATUS,
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};
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struct cosm_msg {
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u64 id;
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union {
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u64 shutdown_status;
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struct {
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u64 tv_sec;
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u64 tv_nsec;
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} timespec;
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};
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};
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extern const char * const cosm_state_string[];
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extern const char * const cosm_shutdown_status_string[];
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void cosm_sysfs_init(struct cosm_device *cdev);
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int cosm_start(struct cosm_device *cdev);
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void cosm_stop(struct cosm_device *cdev, bool force);
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int cosm_reset(struct cosm_device *cdev);
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int cosm_shutdown(struct cosm_device *cdev);
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void cosm_set_state(struct cosm_device *cdev, u8 state);
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void cosm_set_shutdown_status(struct cosm_device *cdev, u8 status);
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void cosm_init_debugfs(void);
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void cosm_exit_debugfs(void);
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void cosm_create_debug_dir(struct cosm_device *cdev);
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void cosm_delete_debug_dir(struct cosm_device *cdev);
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int cosm_scif_init(void);
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void cosm_scif_exit(void);
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void cosm_scif_work(struct work_struct *work);
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#endif
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