| 1 | /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
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| 2 | /* |
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| 3 | * Copyright(c) 2016 Intel Corporation. |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef DEF_RVTMR_H |
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| 7 | #define DEF_RVTMR_H |
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| 8 | |
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| 9 | #include <rdma/rdma_vt.h> |
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| 10 | |
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| 11 | struct rvt_mr { |
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| 12 | struct ib_mr ibmr; |
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| 13 | struct ib_umem *umem; |
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| 14 | struct rvt_mregion mr; /* must be last */ |
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| 15 | }; |
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| 16 | |
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| 17 | static inline struct rvt_mr *to_imr(struct ib_mr *ibmr) |
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| 18 | { |
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| 19 | return container_of(ibmr, struct rvt_mr, ibmr); |
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| 20 | } |
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| 21 | |
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| 22 | int rvt_driver_mr_init(struct rvt_dev_info *rdi); |
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| 23 | void rvt_mr_exit(struct rvt_dev_info *rdi); |
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| 24 | |
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| 25 | /* Mem Regions */ |
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| 26 | struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc); |
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| 27 | struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, |
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| 28 | u64 virt_addr, int mr_access_flags, |
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| 29 | struct ib_dmah *dmah, |
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| 30 | struct ib_udata *udata); |
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| 31 | int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); |
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| 32 | struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, |
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| 33 | u32 max_num_sg); |
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| 34 | int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, |
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| 35 | int sg_nents, unsigned int *sg_offset); |
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| 36 | |
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| 37 | #endif /* DEF_RVTMR_H */ |
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| 38 | |
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