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1e55b609b9
Use unified version of the copyright notice in the files Update copyright years according the year the files were touched, except this patch and SPDX conversions. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2003-2018, Intel Corporation. All rights reserved.
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* Intel Management Engine Interface (Intel MEI) Linux driver
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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_DR_SETUP : dma ring setup 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_DR_SETUP,
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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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