/*
  Copyright (c), 2001-2022, Shenshu Tech. Co., Ltd.
 */

#include "ot_osal.h"
#include <linux/module.h>
#include <linux/kernel.h>
#include <asm/atomic.h>
#include <linux/printk.h>
#include <linux/slab.h>
#include "securec.h"

int osal_atomic_init(osal_atomic_t *atomic)
{
    atomic_t *p = NULL;

    if (atomic == NULL) {
        osal_trace("%s - parameter invalid!\n", __FUNCTION__);
        return -1;
    }
    p = (atomic_t *)kmalloc(sizeof(atomic_t), GFP_KERNEL);
    if (p == NULL) {
        osal_trace("%s - kmalloc error!\n", __FUNCTION__);
        return -1;
    }
    (void)memset_s(p, sizeof(atomic_t), 0, sizeof(atomic_t));
    atomic->atomic = p;
    return 0;
}
EXPORT_SYMBOL(osal_atomic_init);
void osal_atomic_destroy(osal_atomic_t *atomic)
{
    if (atomic == NULL) {
        osal_trace("%s - parameter invalid!\n", __FUNCTION__);
        return;
    }
    kfree(atomic->atomic);
    atomic->atomic = NULL;
}
EXPORT_SYMBOL(osal_atomic_destroy);
int osal_atomic_read(osal_atomic_t *atomic)
{
    atomic_t *p = NULL;

    if ((atomic == NULL) || (atomic->atomic == NULL)) {
        osal_trace("%s - parameter invalid!\n", __FUNCTION__);
        return -1;
    }
    p = (atomic_t *)(atomic->atomic);
    return atomic_read(p);
}
EXPORT_SYMBOL(osal_atomic_read);
void osal_atomic_set(osal_atomic_t *atomic, int i)
{
    atomic_t *p = NULL;

    if ((atomic == NULL) || (atomic->atomic == NULL)) {
        osal_trace("%s - parameter invalid!\n", __FUNCTION__);
        return;
    }

    p = (atomic_t *)(atomic->atomic);
    atomic_set(p, i);
}
EXPORT_SYMBOL(osal_atomic_set);
int osal_atomic_inc_return(osal_atomic_t *atomic)
{
    atomic_t *p = NULL;

    if ((atomic == NULL) || (atomic->atomic == NULL)) {
        osal_trace("%s - parameter invalid!\n", __FUNCTION__);
        return -1;
    }
    p = (atomic_t *)(atomic->atomic);
    return atomic_inc_return(p);
}
EXPORT_SYMBOL(osal_atomic_inc_return);
int osal_atomic_dec_return(osal_atomic_t *atomic)
{
    atomic_t *p = NULL;

    if ((atomic == NULL) || (atomic->atomic == NULL)) {
        osal_trace("%s - parameter invalid!\n", __FUNCTION__);
        return -1;
    }
    p = (atomic_t *)(atomic->atomic);
    return atomic_dec_return(p);
}
EXPORT_SYMBOL(osal_atomic_dec_return);