// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2020 MediaTek Inc.
 */

#ifndef __APUSYS_MDW_USR_H__
#define __APUSYS_MDW_USR_H__

#include "apusys_drv.h"
#include "apusys_device.h"
#include "mdw_cmd.h"
#include <linux/kref.h>
#include <linux/idr.h>

struct mdw_usr_mgr {
	struct list_head list;
	struct mutex mtx;
};

struct mdw_usr {
	uint64_t id;
	pid_t pid;
	pid_t tgid;
	char comm[TASK_COMM_LEN];
	uint32_t iova_size_max;
	uint32_t iova_size;

	struct list_head m_item; // to usr mgr

	struct mutex mtx;
	struct kref	kref;

	struct idr cmds_idr;
	struct list_head mem_list; // for mem
	struct list_head sdev_list; // for sec dev
};

void mdw_usr_dump(struct seq_file *s);
int mdw_usr_mem_alloc(struct apusys_mem *um, struct mdw_usr *u);
int mdw_usr_mem_free(struct apusys_mem *um, struct mdw_usr *u);
int mdw_usr_mem_import(struct apusys_mem *um, struct mdw_usr *u);
int mdw_usr_mem_map(struct apusys_mem *um, struct mdw_usr *u);
int mdw_usr_dev_sec_alloc(int type, struct mdw_usr *u);
int mdw_usr_dev_sec_free(int type, struct mdw_usr *u);
int mdw_usr_fw(struct apusys_ioctl_fw *f, int op);
int mdw_usr_ucmd(struct apusys_ioctl_ucmd *uc);
int mdw_usr_set_pwr(struct apusys_ioctl_power *pwr);

struct mdw_usr *mdw_usr_create(void);
int mdw_usr_put(struct mdw_usr *u);
void mdw_usr_get(struct mdw_usr *u);
bool mdw_user_check(struct mdw_usr *u);
void mdw_usr_destroy(struct kref *kref);

int mdw_usr_run_cmd_async(struct mdw_usr *u, struct apusys_ioctl_cmd *in);
int mdw_usr_wait_cmd(struct mdw_usr *u, struct apusys_ioctl_cmd *in);
int mdw_usr_run_cmd_sync(struct mdw_usr *u, struct apusys_ioctl_cmd *in);

int mdw_usr_init(void);
void mdw_usr_exit(void);


void mdw_usr_print_mem_usage(void);
void mdw_usr_sys_aee_mem(char *buf, int *n);
#endif