From 0e353e34e1e740fe575eb479ca0f2a723a4ef51c Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 3 May 2016 18:01:12 +0200 Subject: IB/core: add RW API support for signature MRs Signed-off-by: Christoph Hellwig Signed-off-by: Doug Ledford --- include/rdma/rw.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include/rdma/rw.h') diff --git a/include/rdma/rw.h b/include/rdma/rw.h index d3896bb9134b..377d865e506d 100644 --- a/include/rdma/rw.h +++ b/include/rdma/rw.h @@ -47,6 +47,15 @@ struct rdma_rw_ctx { struct ib_send_wr inv_wr; struct ib_mr *mr; } *reg; + + struct { + struct rdma_rw_reg_ctx data; + struct rdma_rw_reg_ctx prot; + struct ib_send_wr sig_inv_wr; + struct ib_mr *sig_mr; + struct ib_sge sig_sge; + struct ib_sig_handover_wr sig_wr; + } *sig; }; }; @@ -57,6 +66,16 @@ void rdma_rw_ctx_destroy(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 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, + u8 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, + u8 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, u8 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, u8 port_num, -- cgit v1.2.3