1*d164bf64SCai Huoqing /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
22a055eb7SDennis Dalessandro /*
3fe314195SDennis Dalessandro * Copyright(c) 2016 Intel Corporation.
42a055eb7SDennis Dalessandro */
52a055eb7SDennis Dalessandro
6*d164bf64SCai Huoqing #ifndef DEF_RVTMR_H
7*d164bf64SCai Huoqing #define DEF_RVTMR_H
8*d164bf64SCai Huoqing
92a055eb7SDennis Dalessandro #include <rdma/rdma_vt.h>
107b1e2099SDennis Dalessandro
117b1e2099SDennis Dalessandro struct rvt_mr {
127b1e2099SDennis Dalessandro struct ib_mr ibmr;
137b1e2099SDennis Dalessandro struct ib_umem *umem;
147b1e2099SDennis Dalessandro struct rvt_mregion mr; /* must be last */
157b1e2099SDennis Dalessandro };
167b1e2099SDennis Dalessandro
to_imr(struct ib_mr * ibmr)177b1e2099SDennis Dalessandro static inline struct rvt_mr *to_imr(struct ib_mr *ibmr)
187b1e2099SDennis Dalessandro {
197b1e2099SDennis Dalessandro return container_of(ibmr, struct rvt_mr, ibmr);
207b1e2099SDennis Dalessandro }
217b1e2099SDennis Dalessandro
227b1e2099SDennis Dalessandro int rvt_driver_mr_init(struct rvt_dev_info *rdi);
237b1e2099SDennis Dalessandro void rvt_mr_exit(struct rvt_dev_info *rdi);
242a055eb7SDennis Dalessandro
252a055eb7SDennis Dalessandro /* Mem Regions */
262a055eb7SDennis Dalessandro struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc);
272a055eb7SDennis Dalessandro struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
282a055eb7SDennis Dalessandro u64 virt_addr, int mr_access_flags,
292a055eb7SDennis Dalessandro struct ib_udata *udata);
30c4367a26SShamir Rabinovitch int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
31c4367a26SShamir Rabinovitch struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
3242a3b153SGal Pressman u32 max_num_sg);
33a41081aaSJianxin Xiong int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
34a41081aaSJianxin Xiong int sg_nents, unsigned int *sg_offset);
352a055eb7SDennis Dalessandro
362a055eb7SDennis Dalessandro #endif /* DEF_RVTMR_H */
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