94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 2024 Huawei Technologies Co., Ltd */
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#ifndef HINIC_HMM_H__
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#define HINIC_HMM_H__
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/* has no mpt entry */
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#define HMM_MPT_EN_SW 1 /* has mpt, state INVALID */
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#define HMM_MPT_EN_HW 2 /* has mpt, state FREE or VALID */
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#define HMM_MPT_DISABLED 0 /* has no mpt entry */
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#define HMM_MPT_FIX_BUG_LKEY 0
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#include "hinic3_cqm.h"
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#include "hinic3_hwdev.h"
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#include "hmm_comp.h"
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#include "hmm_mr.h"
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/*
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****************************************************************************
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Prototype : hmm_reg_user_mr_update
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Description : MR注册生成和更新MPT和MTT表
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Input : struct hinic3_hwdev *hwdev
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hmm_mr *mr MR结构，包含已
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经完成用户态内存的物理地址获取umem
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u32 pdn PD号，如果不支持的pd的特性直接填0.
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u64 length 需要注册的用户态地址长度
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u64 virt_addr 需要注册的IOV虚拟地址首地址
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int hmm_access填入enum rdma_ib_access的值
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u32 service_type enum hinic3_service_type的值
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Output : None
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****************************************************************************
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*/
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int hmm_reg_user_mr_update(struct hinic3_hwdev *hwdev, struct hmm_mr *mr, u32 pdn, u64 length,
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u64 virt_addr, int access, u32 service_type, u16 channel);
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/*
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****************************************************************************
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Prototype : hmm_reg_user_mr_update
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Description : MR去注册删除MPT和MTT表
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Input : struct hinic3_hwdev *hwdev
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rdma_mr *mr MR结构
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u32 service_type enum hinic3_service_type的值
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Output : None
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****************************************************************************
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*/
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int hmm_dereg_mr_update(struct hinic3_hwdev *hwdev, struct rdma_mr *mr,
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u32 service_type, u16 channel);
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#ifndef ROCE_SERVICE
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/*
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****************************************************************************
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Prototype : hmm_reg_user_mr
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Description : register MR for user
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Input : struct hinic3_hwdev *hwdev
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u32 pdn PD<50><44>
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u64 start ע<><D7A2>memory<72><79><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ַ
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u64 length ע<><D7A2><EFBFBD>ڴ<EFBFBD>ij<EFBFBD><C4B3><EFBFBD>
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u64 virt_addr io<69><6F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
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int hmm_access <20><><EFBFBD><EFBFBD>enum rdma_ib_access<73><73>ֵ
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u32 service_type enum hinic3_service_type<70><65>ֵ
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Output : None
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****************************************************************************
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*/
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struct hmm_mr *hmm_reg_user_mr(struct hinic3_hwdev *hwdev, u64 start, u32 pdn, u64 length,
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u64 virt_addr, int hmm_access, u32 service_type, u16 channel);
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/*
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****************************************************************************
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Prototype : hmm_dereg_mr
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Description : dereg DMA_MR, user_MR or FRMR
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Input : struct hmm_mr *mr
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: u32 service_type enum hinic3_service_type的值
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Output : None
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****************************************************************************
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*/
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int hmm_dereg_mr(struct hmm_mr *mr, u32 service_type, u16 channel);
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#endif
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int hmm_rdma_write_mtt(void *hwdev, struct rdma_mtt *mtt, u32 start_index, u32 npages,
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u64 *page_list, u32 service_type);
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int hmm_rdma_mtt_alloc(void *hwdev, u32 npages, u32 page_shift,
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struct rdma_mtt *mtt, u32 service_type);
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void hmm_rdma_mtt_free(void *hwdev, struct rdma_mtt *mtt, u32 service_type);
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int hmm_init_mtt_table(struct hmm_comp_priv *comp_priv);
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void hmm_cleanup_mtt_table(struct hmm_comp_priv *comp_priv);
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#endif /* HINIC_RDMA_H__ */
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