/*

 * 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.

 */



#ifndef SVM_DMA_H

#define SVM_DMA_H



#include "devmm_proc_info.h"

#include "comm_kernel_interface.h"

#include "vmng_kernel_interface.h"



#define DEVMM_DMA_SMALL_PACKET_SIZE       1024

#define DEVMM_DMA_QUERY_WAIT_PACKET_SIZE  262144ul /* 256k */



#define DEVMM_DMA_WAIT_MIN_TIME 100

#define DEVMM_DMA_WAIT_MAX_TIME 200

#define DEVMM_DMA_RETRY_CNT 1000

#define DMA_WAIT_QUREY_THREAD_NUM 8



#define DEVMM_ASYNC_DMA_WAIT_MIN_TIME 200

#define DEVMM_ASYNC_DMA_WAIT_MAX_TIME 400

#define DEVMM_ASYNC_DMA_RETRY_CNT 200000



typedef void (*dma_finish_notify)(void *, u32, u32);



int devmm_dma_sync_link_copy(u32 dev_id, u32 vfid, struct devdrv_dma_node *dma_node, u32 node_cnt);

int devmm_dma_sync_link_copy_limit(struct devmm_copy_res *res, int instance);

int devmm_dma_async_link_copy(struct devmm_copy_res *res, int instance, void *priv, dma_finish_notify call_back);

int vmng_bandwidth_limit_check(struct vmng_bandwidth_check_info *info);

#endif /* __DEVMM_PCIE_DMA_H__ */