#ifndef __KSU_H_KSU
#define __KSU_H_KSU

#include <linux/dcache.h>
#include <linux/uidgid.h>
#include <linux/workqueue.h>

#define KERNEL_SU_VERSION 9

#define KERNEL_SU_OPTION 0xDEADBEEF

#define CMD_GRANT_ROOT 0

#define CMD_BECOME_MANAGER 1
#define CMD_GET_VERSION 2
#define CMD_ALLOW_SU 3
#define CMD_DENY_SU 4
#define CMD_GET_ALLOW_LIST 5
#define CMD_GET_DENY_LIST 6

#define INVALID_UID -1

extern uid_t ksu_manager_uid;

static inline bool ksu_is_manager_uid_valid()
{
	return ksu_manager_uid != INVALID_UID;
}

static inline uid_t ksu_get_manager_uid()
{
	return ksu_manager_uid;
}

static inline void ksu_set_manager_uid(uid_t uid)
{
	ksu_manager_uid = uid;
}

static inline void ksu_invalidate_manager_uid()
{
	ksu_manager_uid = INVALID_UID;
}

void ksu_queue_work(struct work_struct *work);

void ksu_lsm_hook_init(void);

int ksu_kprobe_init(void);
int ksu_kprobe_exit(void);

/// KernelSU hooks
int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
		     unsigned long arg4, unsigned long arg5);

int ksu_handle_rename(struct dentry *old_dentry, struct dentry *new_dentry);

#endif