5ebdc36458
We have MEI_HBM_STARTED in two contexts one after start message was received and second after enumeration was completed. Because after start message reception we move immediately to the enumeration state, we need only the later meaning. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
60 lines
1.9 KiB
C
60 lines
1.9 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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#endif /* _MEI_HBM_H_ */
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