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 11 struct rvt_mr { 12 struct ib_mr ibmr; 13 struct ib_umem *umem; 14 struct rvt_mregion mr; /* must be last */ 15 }; 16 17 static inline struct rvt_mr *to_imr(struct ib_mr *ibmr) 18 { 19 return container_of(ibmr, struct rvt_mr, ibmr); 20 } 21 22 int rvt_driver_mr_init(struct rvt_dev_info *rdi); 23 void rvt_mr_exit(struct rvt_dev_info *rdi); 24 25 /* Mem Regions */ 26 struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc); 27 struct 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); 30 int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); 31 struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 32 u32 max_num_sg); 33 int 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