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kernel_samsung_sm7125/security/proca/proca_table.h

52 lines
1.5 KiB

/*
* PROCA task descriptors table
*
* Copyright (C) 2018 Samsung Electronics, Inc.
* Hryhorii Tur, <hryhorii.tur@partner.samsung.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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 _LINUX_PROCA_TABLE_H
#define _LINUX_PROCA_TABLE_H
#include <linux/hashtable.h>
#include <linux/sched.h>
#include "proca_task_descr.h"
#define PROCA_TASKS_TABLE_SHIFT 10
struct proca_table {
unsigned int hash_tables_shift;
DECLARE_HASHTABLE(pid_map, PROCA_TASKS_TABLE_SHIFT);
spinlock_t pid_map_lock;
DECLARE_HASHTABLE(app_name_map, PROCA_TASKS_TABLE_SHIFT);
spinlock_t app_name_map_lock;
};
void proca_table_init(struct proca_table *table);
void proca_table_add_task_descr(struct proca_table *table,
struct proca_task_descr *descr);
struct proca_task_descr *proca_table_get_by_task(
struct proca_table *table,
const struct task_struct *task);
struct proca_task_descr *proca_table_remove_by_task(
struct proca_table *table,
const struct task_struct *task);
void proca_table_remove_task_descr(struct proca_table *table,
struct proca_task_descr *descr);
#endif //_LINUX_PROCA_TABLE_H