aff95158创建于 2025年12月23日历史提交
/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */



#ifndef DEVMM_SVM_INIT_H

#define DEVMM_SVM_INIT_H

#include "ascend_hal.h"

#include "svm_ioctl.h"



#define DEVMM_MAX_INIT_CNT 10



DVresult devmm_svm_open(const char *davinci_sub_name);

DVresult devmm_svm_map(int side);

void devmm_svm_close(const char *davinci_sub_name);

void devmm_svm_unmap(void);

bool devmm_is_in_mmap_segs(uint64_t va, uint64_t size);

DVresult devmm_svm_ioctl(int fd, unsigned long request, struct devmm_ioctl_arg *arg);

DVresult devmm_svm_master_init(void);

DVresult devmm_svm_agent_init(void);

void devmm_svm_master_uninit(void);

void devmm_svm_agent_uninit(void);



#endif /* __DEVMM_SVM_INIT_H__ */