/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2019-2021. All rights reserved.
 * Description:Key slot driver.Provide all the kernel API and ioctl API.
 * Author : Hisilicon
 * Create: 2019/06/22
 */

#include "drv_keyslot.h"

#include "linux/huanglong/securec.h"

#include "drv_keyslot_utils.h"
#include "hal_keyslot.h"
#include "drv_keyslot_func.h"
#include "drv_keyslot_ext.h"
#include "drv_keyslot_fmea.h"

static ks_export_func g_ks_export_funcs;

td_s32 drv_ks_init(td_void)
{
    td_s32 ret;

    ret = osal_exportfunc_register(SOC_ID_KEYSLOT, "SOC_KS", (td_void *)&g_ks_export_funcs);
    if (ret != TD_SUCCESS) {
        print_err_func(osal_exportfunc_register, ret);
        return ret;
    }
    ret = osal_exportfunc_register(SOC_ID_USR, "SOC_USR", TD_NULL);
    if (ret != TD_SUCCESS) {
        osal_exportfunc_unregister(SOC_ID_KEYSLOT);
        print_err_func(osal_exportfunc_register, ret);
        goto out0;
    }

    ret = ks_mgmt_init();
    if (ret != TD_SUCCESS) {
        print_err_func(osal_exportfunc_register, ret);
        goto out1;
    }

    keyslot_lock_init();
    return TD_SUCCESS;
out1:
    osal_exportfunc_unregister(SOC_ID_USR);
out0:
    osal_exportfunc_unregister(SOC_ID_KEYSLOT);
    return ret;
}

td_void drv_ks_deinit(td_void)
{
    ks_mgmt_exit();
    osal_exportfunc_unregister(SOC_ID_KEYSLOT);
    osal_exportfunc_unregister(SOC_ID_USR);
    return;
}

td_s32 ext_drv_ks_create(const ext_keyslot_type slot_type, td_handle *ks_handle)
{
    td_s32 ret;
    td_u32 slot_num = 0;

    if (ks_handle == TD_NULL) {
        print_err_code(SOC_ERR_KS_PTR_NULL);
        return SOC_ERR_KS_PTR_NULL;
    }

    ret = ks_mgmt_auto_lock(slot_type, &slot_num);
    *ks_handle = id_2_handle(slot_num, (td_u8)slot_type);

    return ret;
}
EXPORT_SYMBOL(ext_drv_ks_create);


td_s32 ext_drv_ks_destory(const ext_keyslot_type slot_type, const td_handle ks_handle)
{
    return ks_mgmt_unlock(slot_type, handle_2_id(ks_handle));
}
EXPORT_SYMBOL(ext_drv_ks_destory);

static ks_export_func g_ks_export_funcs = {
    .ext_ks_create = ext_drv_ks_create,
    .ext_ks_destory = ext_drv_ks_destory,
};