63 lines
2 KiB
C
63 lines
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_HBM_H_
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#define _MEI_HBM_H_
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struct mei_device;
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struct mei_msg_hdr;
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struct mei_cl;
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/**
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* enum mei_hbm_state - host bus message protocol state
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*
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* @MEI_HBM_IDLE : protocol not started
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* @MEI_HBM_STARTING : start request message was sent
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* @MEI_HBM_ENUM_CLIENTS : enumeration request was sent
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* @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties
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* @MEI_HBM_STARTED : enumeration was completed
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* @MEI_HBM_STOPPED : stopping exchange
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*/
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enum mei_hbm_state {
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MEI_HBM_IDLE = 0,
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MEI_HBM_STARTING,
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MEI_HBM_ENUM_CLIENTS,
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MEI_HBM_CLIENT_PROPERTIES,
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MEI_HBM_STARTED,
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MEI_HBM_STOPPED,
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};
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const char *mei_hbm_state_str(enum mei_hbm_state state);
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int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr);
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void mei_hbm_idle(struct mei_device *dev);
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void mei_hbm_reset(struct mei_device *dev);
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int mei_hbm_start_req(struct mei_device *dev);
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int mei_hbm_start_wait(struct mei_device *dev);
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int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl);
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int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl);
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int mei_hbm_cl_disconnect_rsp(struct mei_device *dev, struct mei_cl *cl);
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int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl);
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bool mei_hbm_version_is_supported(struct mei_device *dev);
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int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd);
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void mei_hbm_pg_resume(struct mei_device *dev);
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int mei_hbm_cl_notify_req(struct mei_device *dev,
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struct mei_cl *cl, u8 request);
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#endif /* _MEI_HBM_H_ */
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