mirror of https://gitee.com/openkylin/linux.git
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
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*
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* Intel Management Engine Interface (Intel MEI) Linux driver
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* Copyright (c) 2003-2012, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef _MEI_INTERFACE_H_
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#define _MEI_INTERFACE_H_
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#include <linux/mei.h>
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#include "mei_dev.h"
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#define AMT_WD_DEFAULT_TIMEOUT 120 /* seconds */
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#define AMT_WD_MIN_TIMEOUT 120 /* seconds */
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#define AMT_WD_MAX_TIMEOUT 65535 /* seconds */
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#define MEI_WATCHDOG_DATA_SIZE 16
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#define MEI_START_WD_DATA_SIZE 20
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#define MEI_WD_PARAMS_SIZE 4
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void mei_read_slots(struct mei_device *dev,
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unsigned char *buffer,
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unsigned long buffer_length);
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int mei_write_message(struct mei_device *dev,
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struct mei_msg_hdr *header,
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unsigned char *write_buffer,
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unsigned long write_length);
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int mei_host_buffer_is_empty(struct mei_device *dev);
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int mei_count_full_read_slots(struct mei_device *dev);
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int mei_count_empty_write_slots(struct mei_device *dev);
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int mei_flow_ctrl_creds(struct mei_device *dev, struct mei_cl *cl);
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int mei_wd_send(struct mei_device *dev);
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int mei_wd_stop(struct mei_device *dev, bool preserve);
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int mei_wd_host_init(struct mei_device *dev);
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/*
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* mei_watchdog_register - Registering watchdog interface
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* once we got connection to the WD Client
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* @dev - mei device
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*/
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void mei_watchdog_register(struct mei_device *dev);
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/*
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* mei_watchdog_unregister - Unregistering watchdog interface
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* @dev - mei device
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*/
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void mei_watchdog_unregister(struct mei_device *dev);
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int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl);
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int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl);
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int mei_disconnect(struct mei_device *dev, struct mei_cl *cl);
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int mei_other_client_is_connecting(struct mei_device *dev, struct mei_cl *cl);
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int mei_connect(struct mei_device *dev, struct mei_cl *cl);
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#endif /* _MEI_INTERFACE_H_ */
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