mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 02:26:38 +07:00
859ef2ffbf
Rework mei power gating state machine to support entry and exit to and from D0i3 power state. The choice between legacy and D0i3 routines is conditioned on d0i3_supported flag. The patch introduces warning: drivers/misc/mei/hw-me.c:901:12: warning: ‘mei_me_d0i3_enter’ defined but not used [-Wunused-function] it will go away in consequent patch Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
|
|
*
|
|
* Intel Management Engine Interface (Intel MEI) Linux driver
|
|
* Copyright (c) 2003-2012, Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
*/
|
|
|
|
#ifndef _MEI_HBM_H_
|
|
#define _MEI_HBM_H_
|
|
|
|
struct mei_device;
|
|
struct mei_msg_hdr;
|
|
struct mei_cl;
|
|
|
|
/**
|
|
* enum mei_hbm_state - host bus message protocol state
|
|
*
|
|
* @MEI_HBM_IDLE : protocol not started
|
|
* @MEI_HBM_STARTING : start request message was sent
|
|
* @MEI_HBM_ENUM_CLIENTS : enumeration request was sent
|
|
* @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties
|
|
* @MEI_HBM_STARTED : enumeration was completed
|
|
* @MEI_HBM_STOPPED : stopping exchange
|
|
*/
|
|
enum mei_hbm_state {
|
|
MEI_HBM_IDLE = 0,
|
|
MEI_HBM_STARTING,
|
|
MEI_HBM_ENUM_CLIENTS,
|
|
MEI_HBM_CLIENT_PROPERTIES,
|
|
MEI_HBM_STARTED,
|
|
MEI_HBM_STOPPED,
|
|
};
|
|
|
|
const char *mei_hbm_state_str(enum mei_hbm_state state);
|
|
|
|
int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr);
|
|
|
|
void mei_hbm_idle(struct mei_device *dev);
|
|
void mei_hbm_reset(struct mei_device *dev);
|
|
int mei_hbm_start_req(struct mei_device *dev);
|
|
int mei_hbm_start_wait(struct mei_device *dev);
|
|
int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl);
|
|
int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl);
|
|
int mei_hbm_cl_disconnect_rsp(struct mei_device *dev, struct mei_cl *cl);
|
|
int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl);
|
|
bool mei_hbm_version_is_supported(struct mei_device *dev);
|
|
int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd);
|
|
void mei_hbm_pg_resume(struct mei_device *dev);
|
|
int mei_hbm_cl_notify_req(struct mei_device *dev,
|
|
struct mei_cl *cl, u8 request);
|
|
|
|
#endif /* _MEI_HBM_H_ */
|
|
|