mr.h (1004B)
1/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ 2/* 3 * Copyright(c) 2016 Intel Corporation. 4 */ 5 6#ifndef DEF_RVTMR_H 7#define DEF_RVTMR_H 8 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 */