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kernel_samsung_sm7125/drivers/char/diag/diag_memorydevice.h

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/* Copyright (c) 2014-2015, 2017-2020 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that 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 DIAG_MEMORYDEVICE_H
#define DIAG_MEMORYDEVICE_H
#include "diagchar.h"
struct diag_buf_tbl_t {
unsigned char *buf;
int len;
int ctx;
};
struct diag_md_info {
int id;
int ctx;
int mempool;
int num_tbl_entries;
int md_info_inited;
spinlock_t lock;
struct diag_buf_tbl_t *tbl;
struct diag_mux_ops *ops;
};
extern struct diag_md_info diag_md[NUM_DIAG_MD_DEV];
int diag_md_init(void);
int diag_md_mdm_init(void);
void diag_md_exit(void);
void diag_md_mdm_exit(void);
void diag_md_open_all(void);
void diag_md_close_all(void);
void diag_md_open_device(int id);
void diag_md_close_device(int id);
void diag_md_clear_tbl_entries(int id);
int diag_md_register(int id, int ctx, struct diag_mux_ops *ops);
int diag_md_close_peripheral(int id, uint8_t peripheral);
int diag_md_write(int id, unsigned char *buf, int len, int ctx);
int diag_md_copy_to_user(char __user *buf, int *pret, size_t buf_size,
struct diag_md_session_t *info);
#endif