* Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*/
#include "dvt.h"
int hw_dvt_init(void *vdavinci_priv)
{
int ret;
if (!hw_vdavinci_priv_callback_check(vdavinci_priv)) {
return -EINVAL;
}
if (!IS_ENABLED(CONFIG_VFIO_MDEV)) {
vascend_warn(((struct vdavinci_priv *)vdavinci_priv)->dev,
"mdev is not enable");
return 0;
}
ret = hw_dvt_init_device((struct vdavinci_priv *)vdavinci_priv);
if (ret == -ENOTSUPP) {
vascend_warn(((struct vdavinci_priv *)vdavinci_priv)->dev,
"vdavinci is not support");
return 0;
}
if (ret) {
vascend_err(((struct vdavinci_priv *)vdavinci_priv)->dev,
"Fail to init DVT device, ret: %d\n", ret);
return ret;
}
return 0;
}
int hw_dvt_uninit(void *vdavinci_priv)
{
int ret;
if (!vdavinci_priv) {
return -EINVAL;
}
ret = hw_dvt_uninit_device((struct vdavinci_priv *)vdavinci_priv);
if (ret) {
vascend_err(((struct vdavinci_priv *)vdavinci_priv)->dev,
"Fail to uninit DVT device, ret: %d\n", ret);
return ret;
}
return 0;
}