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rdma
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📄 ib.h
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📄 ib_addr.h
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📄 ib_cache.h
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📄 ib_cm.h
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📄 ib_hdrs.h
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📄 ib_mad.h
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📄 ib_marshall.h
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📄 ib_pack.h
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📄 ib_pma.h
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📄 ib_sa.h
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📄 ib_smi.h
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📄 ib_sysfs.h
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📄 ib_umem.h
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📄 ib_umem_odp.h
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📄 ib_verbs.h
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📄 iba.h
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📄 ibta_vol1_c12.h
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📄 iw_cm.h
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📄 iw_portmap.h
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📄 lag.h
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📄 mr_pool.h
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📄 opa_addr.h
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📄 opa_port_info.h
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📄 opa_smi.h
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📄 opa_vnic.h
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📄 rdma_cm.h
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📄 rdma_cm_ib.h
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📄 rdma_counter.h
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📄 rdma_netlink.h
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📄 rdma_vt.h
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📄 rdmavt_cq.h
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📄 rdmavt_mr.h
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📄 rdmavt_qp.h
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📄 restrack.h
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📄 rw.h
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📄 signature.h
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📄 tid_rdma_defs.h
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📄 uverbs_ioctl.h
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📄 uverbs_named_ioctl.h
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📄 uverbs_std_types.h
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📄 uverbs_types.h
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EDIT: rw.h
/* * Copyright (c) 2016 HGST, a Western Digital Company. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #ifndef _RDMA_RW_H #define _RDMA_RW_H #include <linux/dma-mapping.h> #include <linux/scatterlist.h> #include <rdma/ib_verbs.h> #include <rdma/rdma_cm.h> #include <rdma/mr_pool.h> struct rdma_rw_ctx { /* number of RDMA READ/WRITE WRs (not counting MR WRs) */ u32 nr_ops; /* tag for the union below: */ u8 type; union { /* for mapping a single SGE: */ struct { struct ib_sge sge; struct ib_rdma_wr wr; } single; /* for mapping of multiple SGEs: */ struct { struct ib_sge *sges; struct ib_rdma_wr *wrs; } map; /* for registering multiple WRs: */ struct rdma_rw_reg_ctx { struct ib_sge sge; struct ib_rdma_wr wr; struct ib_reg_wr reg_wr; struct ib_send_wr inv_wr; struct ib_mr *mr; } *reg; }; }; int rdma_rw_ctx_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u32 port_num, struct scatterlist *sg, u32 sg_cnt, u32 sg_offset, u64 remote_addr, u32 rkey, enum dma_data_direction dir); void rdma_rw_ctx_destroy(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u32 port_num, struct scatterlist *sg, u32 sg_cnt, enum dma_data_direction dir); int rdma_rw_ctx_signature_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u32 port_num, struct scatterlist *sg, u32 sg_cnt, struct scatterlist *prot_sg, u32 prot_sg_cnt, struct ib_sig_attrs *sig_attrs, u64 remote_addr, u32 rkey, enum dma_data_direction dir); void rdma_rw_ctx_destroy_signature(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u32 port_num, struct scatterlist *sg, u32 sg_cnt, struct scatterlist *prot_sg, u32 prot_sg_cnt, enum dma_data_direction dir); struct ib_send_wr *rdma_rw_ctx_wrs(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u32 port_num, struct ib_cqe *cqe, struct ib_send_wr *chain_wr); int rdma_rw_ctx_post(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u32 port_num, struct ib_cqe *cqe, struct ib_send_wr *chain_wr); unsigned int rdma_rw_mr_factor(struct ib_device *device, u32 port_num, unsigned int maxpages); void rdma_rw_init_qp(struct ib_device *dev, struct ib_qp_init_attr *attr); int rdma_rw_init_mrs(struct ib_qp *qp, struct ib_qp_init_attr *attr); void rdma_rw_cleanup_mrs(struct ib_qp *qp); #endif /* _RDMA_RW_H */