mirror of https://gitee.com/openkylin/linux.git
98 lines
2.6 KiB
C
98 lines
2.6 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_CLIENT_H_
|
||
|
|
#define _MEI_CLIENT_H_
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/watchdog.h>
|
||
|
|
#include <linux/poll.h>
|
||
|
|
#include <linux/mei.h>
|
||
|
|
|
||
|
|
#include "mei_dev.h"
|
||
|
|
|
||
|
|
int mei_me_cl_by_uuid(const struct mei_device *dev, const uuid_le *cuuid);
|
||
|
|
int mei_me_cl_by_id(struct mei_device *dev, u8 client_id);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* MEI IO Functions
|
||
|
|
*/
|
||
|
|
struct mei_cl_cb *mei_io_cb_init(struct mei_cl *cl, struct file *fp);
|
||
|
|
void mei_io_cb_free(struct mei_cl_cb *priv_cb);
|
||
|
|
int mei_io_cb_alloc_req_buf(struct mei_cl_cb *cb, size_t length);
|
||
|
|
int mei_io_cb_alloc_resp_buf(struct mei_cl_cb *cb, size_t length);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* mei_io_list_init - Sets up a queue list.
|
||
|
|
*
|
||
|
|
* @list: An instance cl callback structure
|
||
|
|
*/
|
||
|
|
static inline void mei_io_list_init(struct mei_cl_cb *list)
|
||
|
|
{
|
||
|
|
INIT_LIST_HEAD(&list->list);
|
||
|
|
}
|
||
|
|
void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* MEI Host Client Functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct mei_cl *mei_cl_allocate(struct mei_device *dev);
|
||
|
|
void mei_cl_init(struct mei_cl *cl, struct mei_device *dev);
|
||
|
|
|
||
|
|
|
||
|
|
int mei_cl_link_me(struct mei_cl *cl, const uuid_le *uuid, u8 host_cl_id);
|
||
|
|
int mei_cl_unlink(struct mei_cl *cl);
|
||
|
|
|
||
|
|
int mei_cl_flush_queues(struct mei_cl *cl);
|
||
|
|
struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* mei_cl_cmp_id - tells if file private data have same id
|
||
|
|
*
|
||
|
|
* @fe1: private data of 1. file object
|
||
|
|
* @fe2: private data of 2. file object
|
||
|
|
*
|
||
|
|
* returns true - if ids are the same and not NULL
|
||
|
|
*/
|
||
|
|
static inline bool mei_cl_cmp_id(const struct mei_cl *cl1,
|
||
|
|
const struct mei_cl *cl2)
|
||
|
|
{
|
||
|
|
return cl1 && cl2 &&
|
||
|
|
(cl1->host_client_id == cl2->host_client_id) &&
|
||
|
|
(cl1->me_client_id == cl2->me_client_id);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int mei_cl_flow_ctrl_creds(struct mei_cl *cl);
|
||
|
|
|
||
|
|
int mei_cl_flow_ctrl_reduce(struct mei_cl *cl);
|
||
|
|
/*
|
||
|
|
* MEI input output function prototype
|
||
|
|
*/
|
||
|
|
bool mei_cl_is_other_connecting(struct mei_cl *cl);
|
||
|
|
int mei_cl_disconnect(struct mei_cl *cl);
|
||
|
|
|
||
|
|
int mei_cl_read_start(struct mei_cl *cl);
|
||
|
|
|
||
|
|
int mei_cl_connect(struct mei_cl *cl, struct file *file);
|
||
|
|
|
||
|
|
void mei_host_client_init(struct work_struct *work);
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _MEI_CLIENT_H_ */
|