| 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 | |
|---|
