37 lines · c
1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright(c) 2016 Intel Corporation.4 */5 6#ifndef DEF_RVTMR_H7#define DEF_RVTMR_H8 9#include <rdma/rdma_vt.h>10 11struct rvt_mr {12 struct ib_mr ibmr;13 struct ib_umem *umem;14 struct rvt_mregion mr; /* must be last */15};16 17static inline struct rvt_mr *to_imr(struct ib_mr *ibmr)18{19 return container_of(ibmr, struct rvt_mr, ibmr);20}21 22int rvt_driver_mr_init(struct rvt_dev_info *rdi);23void rvt_mr_exit(struct rvt_dev_info *rdi);24 25/* Mem Regions */26struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc);27struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,28 u64 virt_addr, int mr_access_flags,29 struct ib_udata *udata);30int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);31struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,32 u32 max_num_sg);33int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,34 int sg_nents, unsigned int *sg_offset);35 36#endif /* DEF_RVTMR_H */37